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• How can I quickly parse large (>10GB) files?

  - by Andrew

  Hi - I have to process text files 10-20GB in size of the format: field1 field2 field3 field4 field5 I would like to parse the data from each line of field2 into one of several files; the file this gets pushed into is determined line-by-line by the value in field4. There are 25 different possible values in field2 and hence 25 different files the data can get parsed into. I have tried using Perl (slow) and awk (faster but still slow) - does anyone have any suggestions or pointers toward alternative approaches? FYI here is the awk code I was trying to use; note I had to revert to going through the large file 25 times because I wasn't able to keep 25 files open at once in awk: chromosomes=(1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25) for chr in ${chromosomes[@]} do awk < my_in_file_here -v pat="$chr" '{if ($4 == pat) for (i = $2; i <= $2+52; i++) print i}' >> my_out_file_"$chr".query done

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• Cannot connect to mysql via servlet

  - by JBoy

  Hi all I have been since 2 days trying to figure out why my servlet does not connect to the database MySql. I have mysql installed and working properly and eclipse. Whenever i try to etabilish a connection i get the ClassNotFoundException for the com.mysql.jdbc.Driver, which is actually properly imported, the connector i'm using is the mysql-connector-java5.1.14 added properly as external jar so everything seems fine. here's my code protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String dbUrl="jdbc:mysql://localhost:3306/test"; String username="root"; String password=""; try { Class.forName("com.mysql.jdbc.Driver").newInstance(); conn=DriverManager.getConnection(dbUrl); System.out.println("Connected!"); } catch (SQLException e) { e.printStackTrace(); System.out.println("not connected"); } catch(ClassNotFoundException x){ x.printStackTrace(); } catch(Exception e){ e.printStackTrace(); } } The stacktrace(part of): java.lang.ClassNotFoundException: com.mysql.jdbc.Driver at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1645) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1491) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:375) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:164) i'm following the connection steps from a published java book and also in forums and tutorials i just see the same code, cannot figure out why that Exception comes. On a normal application which does not run on the server the Exception isn't thrown and the connection (in the exact same way) its successfull. Do you have any advice?

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• How can I create an array of random numbers in C++

  - by Nick

  Instead of The ELEMENTS being 25 is there a way to randomly generate a large array of elements....10000, 100000, or even 1000000 elements and then use my insertion sort algorithms. I am trying to have a large array of elements and use insertion sort to put them in order and then also in reverse order. Next I used clock() in the time.h file to figure out the run time of each algorithm. I am trying to test with a large amount of numbers. #define ELEMENTS 25 void insertion_sort(int x[],int length); void insertion_sort_reverse(int x[],int length); int main() { clock_t tStart = clock(); int B[ELEMENTS]={4,2,5,6,1,3,17,14,67,45,32,66,88, 78,69,92,93,21,25,23,71,61,59,60,30}; int x; cout<<"Not Sorted: "<<endl; for(x=0;x<ELEMENTS;x++) cout<<B[x]<<endl; insertion_sort(B,ELEMENTS); cout <<"Sorted Normal: "<<endl; for(x=0;x<ELEMENTS;x++) cout<< B[x] <<endl; insertion_sort_reverse(B,ELEMENTS); cout <<"Sorted Reverse: "<<endl; for(x=0;x<ELEMENTS;x++) cout<< B[x] <<endl; double seconds = clock() / double(CLK_TCK); cout << "This program has been running for " << seconds << " seconds." << endl; system("pause"); return 0; }

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• How to get aggregate days from PHP's DateTime::diff?

  - by razic

  $now = new DateTime('now'); $tomorrow = new DateTime('tomorrow'); $next_year = new DateTime('+1 year'); echo "<pre>"; print_r($now->diff($tomorrow)); print_r($now->diff($next_year)); echo "</pre>"; DateInterval Object ( [y] => 0 [m] => 0 [d] => 0 [h] => 10 [i] => 17 [s] => 14 [invert] => 0 [days] => 6015 ) DateInterval Object ( [y] => 1 [m] => 0 [d] => 0 [h] => 0 [i] => 0 [s] => 0 [invert] => 0 [days] => 6015 ) any ideas why 'days' shows 6015? why won't it show the total number of days? 1 year difference means nothing to me, since months have varying number of days.

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• PHP get values from SimpleXMLElement array

  - by seanp2k

  I have this: [1]=> object(SimpleXMLElement)#6 (1) { ["@attributes"]=> array(14) { ["name"]=> string(5) "MySQL" ["acknowledged"]=> string(1) "1" ["comments"]=> string(1) "1" ["current_check_attempt"]=> string(1) "1" ["downtime"]=> string(1) "0" ["last_check"]=> string(19) "2010-05-01 17:57:00" ["markdown_filter"]=> string(1) "0" ["max_check_attempts"]=> string(1) "3" ["output"]=> string(42) "CRITICAL - Socket timeout after 10 seconds" ["perfdata_available"]=> string(1) "1" ["service_object_id"]=> string(3) "580" ["state"]=> string(8) "critical" ["state_duration"]=> string(6) "759439" ["unhandled"]=> string(1) "0" } } (I used var_dump($child) to generate that) How do I get the 'name' attribute out of there as a string? Here is my code: $xml = simplexml_load_string($results); foreach($xml->data->list as $child) { var_dump($child); echo $child->getName() . ": " . $child->name . "<br />"; }

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• VB.NET Program Locks Up with Internet Explorer Opened

  - by aaronsj

  I'm using Visual Studio 2008 and developing a VB.NET application. I'm having strange lockup problems with my program, but only when Internet explorer 8 is opened. When I cover my form with another window and then uncover it, I find that it has locked up. My program has no references to IE and the only thing it even has to do with IE is using Process.Start with a web address. My program works fine and exactly as it should, but only when IE is not opened. Does anyone know why a program would lock up only while IE is running? Edit: I've done some digging and I've found the offending thread in my program. I don't know what starts this thread or what it does, but when I kill it, my program no longer freezes. The thread is one of the CreateApplicationContext threads, here is the last few items in the stack trace of that thread. 6 ntkrnlpa.exe+0x897bc 7 ntdll.dll!KiFastSystemCallRet 8 mscorwrks.dll!LogHelp_TerminateOnAssert+0x61 9 mscorwrks.dll!DllUnregisterServerInternal+0x10523 10 mscorwrks.dll!DllUnregisterServerInternal+0x10542 11 mscorwrks.dll!StrongNameErrorInfo+0x34387 12 mscorwrks.dll!StrongNameErrorInfo+0x34815 13 mscorwrks.dll!CreateApplicationContext+0xbc35 14 KERNEL32.dll!GetModuleHandleA+0xdf Process explorer says my program is using no CPU nor throwing any exceptions while it is hung.

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• Memory interleaving

  - by Tim Green

  Hello, I have this question that has me rather confused. Suppose that a 1G x 32-bit main memory is built using 256M x 4-bit RAM chips and that this memory is byte-addressable. I have deduced that one would require 4*1G = 2^2*2*30 = 2^32 - so 32 bits to address the full memory. My problem now comes with, say, if you had memory (byte) address "14", determine which memory module this would go into. (There would have to be 8 chips per module to make the 32-bit wide memory, and 4 modules overall giving 32 chips in total. Modules are numbered from 0). In high-order interleave, it appears trivial that it's the first (0) memory module given a lot of the first few bits are 0. However, low-order interleave has me stumped. I can't figure out (for sure) how many bits are used to determine a memory module (possibly 2, given there are 4 in total?). The given solution is Module 3. This is not homework in the same sense so I will not be tagging it as such.

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• Define a positive number to be isolated if none of the digits in its square are in its cube [closed]

  - by proglaxmi

  Define a positive number to be isolated if none of the digits in its square are in its cube. For example 163 is n isolated number because 69*69 = 26569 and 69*69*69 = 4330747 and the square does not contain any of the digits 0, 3, 4 and 7 which are the digits used in the cube. On the other hand 162 is not an isolated number because 162*162=26244 and 162*162*162 = 4251528 and the digits 2 and 4 which appear in the square are also in the cube. Write a function named isIsolated that returns 1 if its argument is an isolated number, it returns 0 if its not an isolated number and it returns -1 if it cannot determine whether it is isolated or not (see the note below). The function signature is: int isIsolated(long n) Note that the type of the input parameter is long. The maximum positive number that can be represented as a long is 63 bits long. This allows us to test numbers up to 2,097,151 because the cube of 2,097,151 can be represented as a long. However, the cube of 2,097,152 requires more than 63 bits to represent it and hence cannot be computed without extra effort. Therefore, your function should test if n is larger than 2,097,151 and return -1 if it is. If n is less than 1 your function should also return -1. Hint: n % 10 is the rightmost digit of n, n = n/10 shifts the digits of n one place to the right. The first 10 isolated numbers are N n*n n*n*n 2 4 8 3 9 27 8 64 512 9 81 729 14 196 2744 24 576 13824 28 784 21952 34 1156 39304 58 3364 195112 63 3969 250047

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• vertically aligning image in fluid container

  - by archytect

  looked for other examples but couldn't find any. my image container uses max-width/max-height so the image scales to the container but I can't seem to get it to auto margin top/bottom or vertical align it to the middle without setting a height. html, body { width: 100%; height: 100%; margin: 0px; } #container { border: solid 1px #000; height: 100%; width: 65%; position: absolute; right: 0; } #container img { max-width: 100%; max-height: 100%; display: block; margin: auto; vertical-align: middle; }? <div id="container"><img src="http://rack.2.mshcdn.com/media/ZgkyMDEyLzEyLzE2LzAzL3NjcmVlbnNob3QyXzJlb2RkLnBuZwpwCXRodW1iCTg1MHg1OTA+CmUJanBn/5b500a85/9ee/screen-shot-2012-12-14-at-9-45-01-am.jpg" /> </div>? http://jsfiddle.net/beftR/

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• 'area' not declared in this scope

  - by user1641173

  I've just started learning c++ and am trying to write a program for finding the area of a circle. I've written the program and whenever I try to compile it I get 2 error messages. The first is: areaofcircle.cpp:9:14: error: expected unqualified-id before numeric constant and the second is: areaofcircle.cpp:18:5: error: 'area' was not declared in this scope What should I do? I would post a picture, but I'm a new user, so I can't. #include <iostream> using namespace std; #define pi 3.1415926535897932384626433832795 int main() { // Create three float variable values: r, pi, area float r, pi, area; cout << "This program computes the area of a circle." << endl; // Prompt user to enter the radius of the circle, read input value into variable r cout << "Enter the radius of the circle " << endl; cin >> r; // Square r and then multiply by pi area = r * r * pi; cout << "The area is " << area << "." << endl; }

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• longest increasing subsequent

  - by davit-datuashvili

  i have write this code is it correct? public class subsequent{ public static void main(String[] args){ int a[]=new int[]{0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15}; int a_b[]=new int[a.length]; a_b[0]=1; int int_max=0; int int_index=0; for (int i=0;i<a.length;i++){ for (int j=0;j<i;j++){ if (a[i]>a[j] && a_b[i]<(a_b[j]+1)){ a_b[i]=a_b[j]+1; } } if (a_b[i]>int_max){ int_max=a_b[i]; int_index=i; } } int k=int_max+1; int list[]=new int[k]; for (int i=int_index;i>0;i--){ if (a_b[i]==k-1){ list[k-1]=a[i]; k=a_b[i]; } } for (int g=0;g<list.length;g++){ System.out.println(list[g]); } } }

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• C++ Perfect Number. Need some help revising.

  - by user278330

  I need some help revising this. It keeps only displaying 0s as the temp. Thank you. // A program to determine whether the input number is a perfect number // A perfect number is defined by the sum of all its positive divisors excluding itself // 28: 1+2+3+7+14 = 28. int perfect, limit, divisor; cout << "Please enter a positive integer in order to define whether it is a perfect integer or not: " ; cin >> perfect; cout << endl; int temp = 0; int prevtemp = 0; limit = 1; divisor = 1; while (limit < perfect) { if ((perfect % divisor) == 0) divisor = prevtemp; limit++; divisor++; temp = prevtemp + temp; cout << temp << endl; } if (perfect == temp) cout << "Your number is a perfect number!" << endl; else cout << "Your number is not a perfect number" << endl; return 0;

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• Reading a directory

  - by paleman

  Hi, I'm trying to solve exercise from K&R, it's about reading directories.This task is system dependent because it uses system calls.In the book example authors say that their example is written for Version 7 and System V UNIX systems and that they used the directory information in the header < sys/dir.h,which looks like this: #ifndef DIRSIZ #define DIRSIZ 14 #endif struct direct { /* directory entry */ ino_t d_ino; /* inode number */ char d_name[DIRSIZ]; /* long name does not have '\0' */ }; On this system they use 'struct direct' combined with 'read' function to retrieve a directory entry, which consist of file name and inode number. ..... struct direct dirbuf; /* local directory structure */ while(read(dp->fd, (char *) &dirbuf, sizeof(dirbuf) == sizeof(dirbuf) { ..... } ..... I suppose this works fine on UNIX and Linux systems, but what I want to do is modify this so it works on Windows XP. Is there some structure in Windows like 'struct direct' so I can use it with 'read' function and if there is what is the header name where it is defined? Or maybe Windows requires completely different approach?

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• getting (this) at different function

  - by twen_ta

  I have couple of input fields with the class "link". All of them should start the jqueryUI dialog so this is why I bind the method to a class and not an single id. The difficulty is now that i can't use the (this) in line 12, because that gives me the identity of the dialog and not the input element. As I am an beginner I don't know how to pass a variable to this event with the element of the input field. What I want to archive is that the dialog should start from the input field and should write the result back to that input field. 1. // this is the click event for the input-field class called "link" 2. $('.link') 3. .button() 4. .click(function() { 5. $('#dialog-form').dialog('open'); 6. 7. }); 8. 9. //this is an excerpt from the opened dialog box and the write back to the input field 10. $("#dialog-form").dialog({ 11. if (bValid) { 12. $('.link').val('' + 14. name.val() + ''); 15. $(this).dialog('close'); 16. } 17. });

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• (again) i improve my question [closed]

  - by gcc

  Possible Duplicate: realizing number …how?? i hold input like that A is char pointer A[0]=n A[1]=j A[2]=n // i take (one number)+special char(s)+command(s) (like $ or #) from user A[3]=d // the input order can be changed like char(s)+number+command . // there is one number in A[] . // and every A[i] is important for me because what will i do in next step . // is determined by that input in A[h] or A[n] . // example . // when you see $ go before array do something . // when you see number go farad equation and use it in there A[j]=$ // (number can be pozitif or negatif . A[i]=14(any number) . . int func(int temp) { if(temp=='n') //..do something then return 10; if(temp=='j') return 11; if(temp=='d') return 12; if(/*........*/) // when temp find/realize number ,i wanna return 13; // in if statement, (instead of .....) what code should i write } how i can do } NOTE::please ,dont close my question ,when you close icannot edit it

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• lxc containers hangs after upgrade to 13.10

  - by doug123

  I have 3 lxc containers. They were all working fine on 12.10 and I upgraded the containers with do-release-upgrade on the containers to 13.04 and 13.10 and that worked great. Then I upgraded the host to 13.04 and then 13.10 and now the 3 containers hang with this: >lxc-start -n as1 -l DEBUG -o $(tty) lxc-start 1383145786.513 INFO lxc_start_ui - using rcfile /var/lib/lxc/as1/config lxc-start 1383145786.513 WARN lxc_log - lxc_log_init called with log already initialized lxc-start 1383145786.513 INFO lxc_apparmor - aa_enabled set to 1 lxc-start 1383145786.514 DEBUG lxc_conf - allocated pty '/dev/pts/2' (5/6) lxc-start 1383145786.514 DEBUG lxc_conf - allocated pty '/dev/pts/13' (7/8) lxc-start 1383145786.514 DEBUG lxc_conf - allocated pty '/dev/pts/14' (9/10) lxc-start 1383145786.514 DEBUG lxc_conf - allocated pty '/dev/pts/15' (11/12) lxc-start 1383145786.514 DEBUG lxc_conf - allocated pty '/dev/pts/17' (13/14) lxc-start 1383145786.514 DEBUG lxc_conf - allocated pty '/dev/pts/18' (15/16) lxc-start 1383145786.514 DEBUG lxc_conf - allocated pty '/dev/pts/19' (17/18) lxc-start 1383145786.514 DEBUG lxc_conf - allocated pty '/dev/pts/20' (19/20) lxc-start 1383145786.514 INFO lxc_conf - tty's configured lxc-start 1383145786.514 DEBUG lxc_start - sigchild handler set lxc-start 1383145786.514 DEBUG lxc_console - opening /dev/tty for console peer lxc-start 1383145786.514 DEBUG lxc_console - using '/dev/tty' as console lxc-start 1383145786.514 DEBUG lxc_console - 6242 got SIGWINCH fd 25 lxc-start 1383145786.514 DEBUG lxc_console - set winsz dstfd:22 cols:177 rows:53 lxc-start 1383145786.514 INFO lxc_start - 'as1' is initialized lxc-start 1383145786.522 DEBUG lxc_start - Not dropping cap_sys_boot or watching utmp lxc-start 1383145786.524 DEBUG lxc_conf - mac address of host interface 'vethB4L35W' changed to private fe:7c:96:a0:ae:29 lxc-start 1383145786.525 DEBUG lxc_conf - instanciated veth 'vethB4L35W/vethVC61K2', index is '26' lxc-start 1383145786.529 DEBUG lxc_cgroup - cgroup 'memory.limit_in_bytes' set to '20G' lxc-start 1383145786.529 DEBUG lxc_cgroup - cgroup 'cpuset.cpus' set to '12-23' lxc-start 1383145786.529 INFO lxc_cgroup - cgroup has been setup lxc-start 1383145786.555 DEBUG lxc_conf - move 'eth0' to '6249' lxc-start 1383145786.555 INFO lxc_conf - 'as1' hostname has been setup lxc-start 1383145786.575 DEBUG lxc_conf - 'eth0' has been setup lxc-start 1383145786.575 INFO lxc_conf - network has been setup lxc-start 1383145786.575 INFO lxc_conf - looking at .44 42 252:0 / / rw,relatime - ext4 /dev/mapper/limitorderbook1-root rw,errors=remount-ro,data=ordered . lxc-start 1383145786.575 INFO lxc_conf - now p is . /. lxc-start 1383145786.575 INFO lxc_conf - looking at .52 44 0:5 / /dev rw,relatime - devtmpfs udev rw,size=32961632k,nr_inodes=8240408,mode=755 . lxc-start 1383145786.575 INFO lxc_conf - now p is . /dev. lxc-start 1383145786.575 INFO lxc_conf - looking at .61 52 0:11 / /dev/pts rw,nosuid,noexec,relatime - devpts devpts rw,mode=600,ptmxmode=000 . lxc-start 1383145786.575 INFO lxc_conf - now p is . /dev/pts. lxc-start 1383145786.575 INFO lxc_conf - looking at .68 44 0:15 / /run rw,nosuid,noexec,relatime - tmpfs tmpfs rw,size=6594456k,mode=755 . lxc-start 1383145786.575 INFO lxc_conf - now p is . /run. lxc-start 1383145786.575 INFO lxc_conf - looking at .69 68 0:18 / /run/lock rw,nosuid,nodev,noexec,relatime - tmpfs none rw,size=5120k . lxc-start 1383145786.575 INFO lxc_conf - now p is . /run/lock. lxc-start 1383145786.575 INFO lxc_conf - looking at .72 68 0:19 / /run/shm rw,nosuid,nodev,relatime - tmpfs none rw . lxc-start 1383145786.575 INFO lxc_conf - now p is . /run/shm. lxc-start 1383145786.575 INFO lxc_conf - looking at .73 68 0:21 / /run/user rw,nosuid,nodev,noexec,relatime - tmpfs none rw,size=102400k,mode=755 . lxc-start 1383145786.575 INFO lxc_conf - now p is . /run/user. lxc-start 1383145786.575 INFO lxc_conf - looking at .76 44 0:14 / /sys rw,nosuid,nodev,noexec,relatime - sysfs sysfs rw . lxc-start 1383145786.575 INFO lxc_conf - now p is . /sys. lxc-start 1383145786.575 INFO lxc_conf - looking at .77 76 0:16 / /sys/fs/cgroup rw,relatime - tmpfs none rw,size=4k,mode=755 . lxc-start 1383145786.575 INFO lxc_conf - now p is . /sys/fs/cgroup. lxc-start 1383145786.575 INFO lxc_conf - looking at .78 77 0:20 / /sys/fs/cgroup/cpuset rw,relatime - cgroup cgroup rw,cpuset,clone_children . lxc-start 1383145786.575 INFO lxc_conf - now p is . /sys/fs/cgroup/cpuset. lxc-start 1383145786.575 INFO lxc_conf - looking at .79 77 0:23 / /sys/fs/cgroup/cpu rw,relatime - cgroup cgroup rw,cpu . lxc-start 1383145786.575 INFO lxc_conf - now p is . /sys/fs/cgroup/cpu. lxc-start 1383145786.575 INFO lxc_conf - looking at .80 77 0:24 / /sys/fs/cgroup/cpuacct rw,relatime - cgroup cgroup rw,cpuacct . lxc-start 1383145786.575 INFO lxc_conf - now p is . /sys/fs/cgroup/cpuacct. lxc-start 1383145786.575 INFO lxc_conf - looking at .81 77 0:25 / /sys/fs/cgroup/memory rw,relatime - cgroup cgroup rw,memory . lxc-start 1383145786.575 INFO lxc_conf - now p is . /sys/fs/cgroup/memory. lxc-start 1383145786.575 INFO lxc_conf - looking at .82 77 0:26 / /sys/fs/cgroup/devices rw,relatime - cgroup cgroup rw,devices . lxc-start 1383145786.575 INFO lxc_conf - now p is . /sys/fs/cgroup/devices. lxc-start 1383145786.575 INFO lxc_conf - looking at .83 77 0:27 / /sys/fs/cgroup/freezer rw,relatime - cgroup cgroup rw,freezer . lxc-start 1383145786.575 INFO lxc_conf - now p is . /sys/fs/cgroup/freezer. lxc-start 1383145786.575 INFO lxc_conf - looking at .84 77 0:28 / /sys/fs/cgroup/blkio rw,relatime - cgroup cgroup rw,blkio . lxc-start 1383145786.575 INFO lxc_conf - now p is . /sys/fs/cgroup/blkio. lxc-start 1383145786.575 INFO lxc_conf - looking at .85 77 0:29 / /sys/fs/cgroup/perf_event rw,relatime - cgroup cgroup rw,perf_event . lxc-start 1383145786.575 INFO lxc_conf - now p is . /sys/fs/cgroup/perf_event. lxc-start 1383145786.575 INFO lxc_conf - looking at .94 77 0:30 / /sys/fs/cgroup/hugetlb rw,relatime - cgroup cgroup rw,hugetlb . lxc-start 1383145786.575 INFO lxc_conf - now p is . /sys/fs/cgroup/hugetlb. lxc-start 1383145786.575 INFO lxc_conf - looking at .95 77 0:31 / /sys/fs/cgroup/systemd rw,nosuid,nodev,noexec,relatime - cgroup systemd rw,name=systemd . lxc-start 1383145786.575 INFO lxc_conf - now p is . /sys/fs/cgroup/systemd. lxc-start 1383145786.575 INFO lxc_conf - looking at .96 76 0:17 / /sys/fs/fuse/connections rw,relatime - fusectl none rw . lxc-start 1383145786.575 INFO lxc_conf - now p is . /sys/fs/fuse/connections. lxc-start 1383145786.575 INFO lxc_conf - looking at .98 76 0:6 / /sys/kernel/debug rw,relatime - debugfs none rw . lxc-start 1383145786.575 INFO lxc_conf - now p is . /sys/kernel/debug. lxc-start 1383145786.575 INFO lxc_conf - looking at .101 76 0:10 / /sys/kernel/security rw,relatime - securityfs none rw . lxc-start 1383145786.575 INFO lxc_conf - now p is . /sys/kernel/security. lxc-start 1383145786.575 INFO lxc_conf - looking at .102 76 0:22 / /sys/fs/pstore rw,relatime - pstore none rw . lxc-start 1383145786.575 INFO lxc_conf - now p is . /sys/fs/pstore. lxc-start 1383145786.575 INFO lxc_conf - looking at .103 44 0:3 / /proc rw,nosuid,nodev,noexec,relatime - proc proc rw . lxc-start 1383145786.575 INFO lxc_conf - now p is . /proc. lxc-start 1383145786.575 INFO lxc_conf - looking at .104 44 9:2 / /data rw,relatime - ext4 /dev/md2 rw,errors=remount-ro,data=ordered . lxc-start 1383145786.575 INFO lxc_conf - now p is . /data. lxc-start 1383145786.575 INFO lxc_conf - looking at .105 44 8:1 / /boot rw,relatime - ext2 /dev/sda1 rw,errors=continue . lxc-start 1383145786.575 INFO lxc_conf - now p is . /boot. lxc-start 1383145786.576 DEBUG lxc_conf - mounted '/data/srv/lxc/as1' on '/usr/lib/x86_64-linux-gnu/lxc' lxc-start 1383145786.576 DEBUG lxc_conf - mounted 'none' on '/usr/lib/x86_64-linux-gnu/lxc//dev/pts', type 'devpts' lxc-start 1383145786.576 DEBUG lxc_conf - mounted 'none' on '/usr/lib/x86_64-linux-gnu/lxc//proc', type 'proc' lxc-start 1383145786.576 DEBUG lxc_conf - mounted 'none' on '/usr/lib/x86_64-linux-gnu/lxc//sys', type 'sysfs' lxc-start 1383145786.576 DEBUG lxc_conf - mounted 'none' on '/usr/lib/x86_64-linux-gnu/lxc//run', type 'tmpfs' lxc-start 1383145786.576 INFO lxc_conf - mount points have been setup lxc-start 1383145786.577 INFO lxc_conf - console has been setup lxc-start 1383145786.577 INFO lxc_conf - 8 tty(s) has been setup lxc-start 1383145786.577 INFO lxc_conf - rootfs path is ./data/srv/lxc/as1., mount is ./usr/lib/x86_64-linux-gnu/lxc. lxc-start 1383145786.577 INFO lxc_apparmor - I am 1, /proc/self points to 1 lxc-start 1383145786.577 DEBUG lxc_conf - created '/usr/lib/x86_64-linux-gnu/lxc/lxc_putold' directory lxc-start 1383145786.577 DEBUG lxc_conf - mountpoint for old rootfs is '/usr/lib/x86_64-linux-gnu/lxc/lxc_putold' lxc-start 1383145786.577 DEBUG lxc_conf - pivot_root syscall to '/usr/lib/x86_64-linux-gnu/lxc' successful lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/dev/pts' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/run/lock' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/run/shm' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/run/user' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/sys/fs/cgroup/cpuset' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/sys/fs/cgroup/cpu' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/sys/fs/cgroup/cpuacct' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/sys/fs/cgroup/memory' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/sys/fs/cgroup/devices' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/sys/fs/cgroup/freezer' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/sys/fs/cgroup/blkio' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/sys/fs/cgroup/perf_event' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/sys/fs/cgroup/hugetlb' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/sys/fs/cgroup/systemd' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/sys/fs/fuse/connections' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/sys/kernel/debug' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/sys/kernel/security' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/sys/fs/pstore' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/proc' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/data' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/boot' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/dev' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/run' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/sys/fs/cgroup' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold/sys' lxc-start 1383145786.577 DEBUG lxc_conf - umounted '/lxc_putold' lxc-start 1383145786.577 INFO lxc_conf - created new pts instance lxc-start 1383145786.578 DEBUG lxc_conf - drop capability 'sys_boot' (22) lxc-start 1383145786.578 DEBUG lxc_conf - capabilities have been setup lxc-start 1383145786.578 NOTICE lxc_conf - 'as1' is setup. lxc-start 1383145786.578 DEBUG lxc_cgroup - cgroup 'memory.limit_in_bytes' set to '20G' lxc-start 1383145786.578 DEBUG lxc_cgroup - cgroup 'cpuset.cpus' set to '12-23' lxc-start 1383145786.578 INFO lxc_cgroup - cgroup has been setup lxc-start 1383145786.578 INFO lxc_apparmor - setting up apparmor lxc-start 1383145786.578 INFO lxc_apparmor - changed apparmor profile to lxc-container-default lxc-start 1383145786.578 NOTICE lxc_start - exec'ing '/sbin/init' lxc-start 1383145786.578 INFO lxc_conf - looking at .15 20 0:14 / /sys rw,nosuid,nodev,noexec,relatime - sysfs sysfs rw . lxc-start 1383145786.578 INFO lxc_conf - now p is . /sys. lxc-start 1383145786.578 INFO lxc_conf - looking at .16 20 0:3 / /proc rw,nosuid,nodev,noexec,relatime - proc proc rw . lxc-start 1383145786.578 INFO lxc_conf - now p is . /proc. lxc-start 1383145786.578 INFO lxc_conf - looking at .17 20 0:5 / /dev rw,relatime - devtmpfs udev rw,size=32961632k,nr_inodes=8240408,mode=755 . lxc-start 1383145786.578 INFO lxc_conf - now p is . /dev. lxc-start 1383145786.578 INFO lxc_conf - looking at .18 17 0:11 / /dev/pts rw,nosuid,noexec,relatime - devpts devpts rw,mode=600,ptmxmode=000 . lxc-start 1383145786.578 INFO lxc_conf - now p is . /dev/pts. lxc-start 1383145786.578 INFO lxc_conf - looking at .19 20 0:15 / /run rw,nosuid,noexec,relatime - tmpfs tmpfs rw,size=6594456k,mode=755 . lxc-start 1383145786.578 INFO lxc_conf - now p is . /run. lxc-start 1383145786.578 INFO lxc_conf - looking at .20 1 252:0 / / rw,relatime - ext4 /dev/mapper/limitorderbook1-root rw,errors=remount-ro,data=ordered . lxc-start 1383145786.578 INFO lxc_conf - now p is . /. lxc-start 1383145786.578 INFO lxc_conf - looking at .22 15 0:16 / /sys/fs/cgroup rw,relatime - tmpfs none rw,size=4k,mode=755 . lxc-start 1383145786.578 INFO lxc_conf - now p is . /sys/fs/cgroup. lxc-start 1383145786.578 INFO lxc_conf - looking at .23 15 0:17 / /sys/fs/fuse/connections rw,relatime - fusectl none rw . lxc-start 1383145786.578 INFO lxc_conf - now p is . /sys/fs/fuse/connections. lxc-start 1383145786.578 INFO lxc_conf - looking at .24 15 0:6 / /sys/kernel/debug rw,relatime - debugfs none rw . lxc-start 1383145786.579 INFO lxc_conf - now p is . /sys/kernel/debug. lxc-start 1383145786.579 INFO lxc_conf - looking at .25 15 0:10 / /sys/kernel/security rw,relatime - securityfs none rw . lxc-start 1383145786.579 INFO lxc_conf - now p is . /sys/kernel/security. lxc-start 1383145786.579 INFO lxc_conf - looking at .26 19 0:18 / /run/lock rw,nosuid,nodev,noexec,relatime - tmpfs none rw,size=5120k . lxc-start 1383145786.579 INFO lxc_conf - now p is . /run/lock. lxc-start 1383145786.579 INFO lxc_conf - looking at .27 19 0:19 / /run/shm rw,nosuid,nodev,relatime - tmpfs none rw . lxc-start 1383145786.579 INFO lxc_conf - now p is . /run/shm. lxc-start 1383145786.579 INFO lxc_conf - looking at .28 22 0:20 / /sys/fs/cgroup/cpuset rw,relatime - cgroup cgroup rw,cpuset,clone_children . lxc-start 1383145786.579 INFO lxc_conf - now p is . /sys/fs/cgroup/cpuset. lxc-start 1383145786.579 INFO lxc_conf - looking at .29 19 0:21 / /run/user rw,nosuid,nodev,noexec,relatime - tmpfs none rw,size=102400k,mode=755 . lxc-start 1383145786.579 INFO lxc_conf - now p is . /run/user. lxc-start 1383145786.579 INFO lxc_conf - looking at .30 15 0:22 / /sys/fs/pstore rw,relatime - pstore none rw . lxc-start 1383145786.579 INFO lxc_conf - now p is . /sys/fs/pstore. lxc-start 1383145786.579 INFO lxc_conf - looking at .31 22 0:23 / /sys/fs/cgroup/cpu rw,relatime - cgroup cgroup rw,cpu . lxc-start 1383145786.579 INFO lxc_conf - now p is . /sys/fs/cgroup/cpu. lxc-start 1383145786.579 INFO lxc_conf - looking at .32 22 0:24 / /sys/fs/cgroup/cpuacct rw,relatime - cgroup cgroup rw,cpuacct . lxc-start 1383145786.579 INFO lxc_conf - now p is . /sys/fs/cgroup/cpuacct. lxc-start 1383145786.579 INFO lxc_conf - looking at .33 22 0:25 / /sys/fs/cgroup/memory rw,relatime - cgroup cgroup rw,memory . lxc-start 1383145786.579 INFO lxc_conf - now p is . /sys/fs/cgroup/memory. lxc-start 1383145786.579 INFO lxc_conf - looking at .34 22 0:26 / /sys/fs/cgroup/devices rw,relatime - cgroup cgroup rw,devices . lxc-start 1383145786.579 INFO lxc_conf - now p is . /sys/fs/cgroup/devices. lxc-start 1383145786.579 INFO lxc_conf - looking at .35 22 0:27 / /sys/fs/cgroup/freezer rw,relatime - cgroup cgroup rw,freezer . lxc-start 1383145786.579 INFO lxc_conf - now p is . /sys/fs/cgroup/freezer. lxc-start 1383145786.579 INFO lxc_conf - looking at .36 22 0:28 / /sys/fs/cgroup/blkio rw,relatime - cgroup cgroup rw,blkio . lxc-start 1383145786.579 INFO lxc_conf - now p is . /sys/fs/cgroup/blkio. lxc-start 1383145786.579 INFO lxc_conf - looking at .37 22 0:29 / /sys/fs/cgroup/perf_event rw,relatime - cgroup cgroup rw,perf_event . lxc-start 1383145786.579 INFO lxc_conf - now p is . /sys/fs/cgroup/perf_event. lxc-start 1383145786.579 INFO lxc_conf - looking at .38 22 0:30 / /sys/fs/cgroup/hugetlb rw,relatime - cgroup cgroup rw,hugetlb . lxc-start 1383145786.579 INFO lxc_conf - now p is . /sys/fs/cgroup/hugetlb. lxc-start 1383145786.579 INFO lxc_conf - looking at .39 20 9:2 / /data rw,relatime - ext4 /dev/md2 rw,errors=remount-ro,data=ordered . lxc-start 1383145786.579 INFO lxc_conf - now p is . /data. lxc-start 1383145786.579 INFO lxc_conf - looking at .40 20 8:1 / /boot rw,relatime - ext2 /dev/sda1 rw,errors=continue . lxc-start 1383145786.579 INFO lxc_conf - now p is . /boot. lxc-start 1383145786.579 INFO lxc_conf - looking at .41 22 0:31 / /sys/fs/cgroup/systemd rw,nosuid,nodev,noexec,relatime - cgroup systemd rw,name=systemd . lxc-start 1383145786.579 INFO lxc_conf - now p is . /sys/fs/cgroup/systemd. lxc-start 1383145786.579 NOTICE lxc_start - '/sbin/init' started with pid '6249' lxc-start 1383145786.579 WARN lxc_start - invalid pid for SIGCHLD <4>init: ureadahead main process (7) terminated with status 5 <4>init: console-font main process (94) terminated with status 1 And it will just sit there like that for hours at least. The container becomes pingable but I can't ssh and if I try lxc-console -n as1 I get a blank screen. If I do lxc-stop -n as1 or ^C in the window where it has hung I get: ^CTERM environment variable not set. <4>init: plymouth-upstart-bridge main process (192) terminated with status 1 <4>init: hwclock-save main process (187) terminated with status 70 * Asking all remaining processes to terminate... ...done. * All processes ended within 1 seconds... ...done. * Deactivating swap... ...fail! mount: cannot mount block device /dev/md2 read-only * Will now restart But after 20 minutes it hasn't restarted. Any ideas why these containers are hanging?

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• Frequently getting booted from Securemote VPN-1 Connection

  - by Nick L.

  I connect to my office's network remotely through the Checkpoint SecuRemote E75 (R75) VPN application, but recently it's been causing me a lot of issues when connecting from home. I connect through a WRT54GL router running DD-WRT v24 firmware, so I have no clue if that affects anything. I took a dump of the logs for Checkpoint and here are the messages that populate when I get booted but I have no clue how to decipher them and my IT department is completely clueless in terms of resolving the situation. I'm thinking the router is blocking the keep alive connection or something along those lines, but I have no idea how to fix the problem. [ 2388 2932][30 Aug 22:47:49][TR_OFFICE_MODE] TR_OFFICE_MODE::TrOfficeMode::OmSendIpFrameCB: Not sending packet because it's not to the enc domain [ 2388 2932][30 Aug 22:47:50][TR_EVENTS] TR_EVENTS::Raise: Running registered cb... [ 2388 2932][30 Aug 22:47:50][TrComInf] TrComInf::TrComInfSendAsynchronic: __start__ 22:47:50.606 [ 2388 2932][30 Aug 22:47:50][TrComInf] TrComInf::TrComInf::TrComInfSendAsynchronic: Acquiring mutex [ 2388 2932][30 Aug 22:47:50][messaging] messaging::send_all: Sending Message {{ 2 }} , len 185 [ 2388 2932][30 Aug 22:47:50][tcpserver] TcpMultiPipe::pipe_if_send: Message (193 bytes) written successfully to socket 0x224 [ 2388 2932][30 Aug 22:47:50][TrComInf] TrComInf::TrComInf::TrComInfSendAsynchronic: Released mutex [ 2388 2932][30 Aug 22:47:50][TrComInf] TrComInf::TrComInfSendAsynchronic: __end__ 22:47:50.606. Total time - 0 milliseconds [ 2388 2932][30 Aug 22:47:50][TR_SRV2CL] TR_SRV2CL::SendNotification: Successfully sent notification of type TR_NOTIFICATION_TRAFFIC_IDLE [ 2388 2932][30 Aug 22:47:50][vna] vna_trap: received VNA_TRAP_FORWARD_PACKET [ 2388 2932][30 Aug 22:47:50][vna] vna_traffic_fwd_do : forwarding packet with 98 bytes [ 2388 2932][30 Aug 22:47:50][TR_OFFICE_MODE] TrOfficeMode::OmSendIpFrameCB: Packet to destination 192.168.162.15 of protocol 17 [ 2388 2932][30 Aug 22:47:50][TR_OFFICE_MODE] TR_OFFICE_MODE::TrOfficeMode::OmSendIpFrameCB: Not sending packet because it's not to the enc domain [ 2388 2932][30 Aug 22:47:51][vna] vna_trap: received VNA_TRAP_FORWARD_PACKET [ 2388 2932][30 Aug 22:47:51][vna] vna_traffic_fwd_do : forwarding packet with 98 bytes [ 2388 2932][30 Aug 22:47:51][TR_OFFICE_MODE] TrOfficeMode::OmSendIpFrameCB: Packet to destination 192.168.162.15 of protocol 17 [ 2388 2932][30 Aug 22:47:51][TR_OFFICE_MODE] TR_OFFICE_MODE::TrOfficeMode::OmSendIpFrameCB: Not sending packet because it's not to the enc domain [ 2388 2392][30 Aug 22:47:52][TracService] service_ctrl_ex: Called with ctrl_code 14 [ 2388 2392][30 Aug 22:47:52][TracService] service_ctrl_ex: System got SERVICE_CONTROL_SESSIONCHANGE message event type 4 session 2 [ 2388 2392][30 Aug 22:47:52][TracService] service_ctrl_ex: Console/remote disconnect has occured in session 2 [ 2388 2932][30 Aug 22:47:52][vna] vna_trap: received VNA_TRAP_FORWARD_PACKET [ 2388 2932][30 Aug 22:47:52][vna] vna_traffic_fwd_do : forwarding packet with 98 bytes [ 2388 2932][30 Aug 22:47:52][TR_OFFICE_MODE] TrOfficeMode::OmSendIpFrameCB: Packet to destination 192.168.162.15 of protocol 17 [ 2388 2932][30 Aug 22:47:52][TR_OFFICE_MODE] TR_OFFICE_MODE::TrOfficeMode::OmSendIpFrameCB: Not sending packet because it's not to the enc domain [ 2388 2932][30 Aug 22:47:52][TR_CONN_MANAGER] TR_CONN_MANAGER::ConnEnum: Returning connection at position 1 [ 2388 2932][30 Aug 22:47:52][TR_EVENTS] TR_EVENTS::Raise: Running registered cb... [ 2388 2932][30 Aug 22:47:52][TR_CONN_MANAGER] TR_CONN_MANAGER::ConnEventMainHandler: no gw handle [ 2388 2932][30 Aug 22:47:52][TR_CONN_MANAGER] TR_CONN_MANAGER::ConnEventMainHandler: Current connection state is TR_CONN_STATE_CONNECTED. Receiving event of type CONN_EVENT_SYSTEM_SESSION_LOGOFF. Connection handle = 1. System state: TR_SYSTEM_STATE_RUNNING [ 2388 2932][30 Aug 22:47:52][CONFIG_MANAGER] suspend_tunnel_while_locked return value false, because it is Default variable. Scope: site 12.43.159.10, gw NULL ,user USER [ 2388 2932][30 Aug 22:47:52][TR_CONN_MANAGER] TR_CONN_MANAGER::ConnEventConnectedHandler: no gw handle [ 2388 2932][30 Aug 22:47:52][TR_CONN_MANAGER] TR_CONN_MANAGER::ConnEventConnectedHandler: receive session logoff event while connected. cancelling connection Thanks all. :)

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• IIS 7.5 Error 1007

  - by darkdog

  I have a Windows 2008 R2 Virtual Server. I removed the "Default Web Site" using IIS Manager and now all my other sites now report an error saying they can't access the site (or something similar). I thought I could just remove the role, re-install IIS again and start with a clean slate. After I re-installed IIS it's now reporting the following error in the event log: The World Wide Web Publishing Service (WWW service) failed to register the URL prefix of "http://www.mash-guild.com:80:192.168.245.132/" for the website of "4". The required network connectivity may already be used. The site has been disabled. The data field contains the error number. This is the full version with the german error note (I'm from germany): Der WWW-Publishingdienst (WWW-Dienst) konnte das URL-Präfix "http://www.mash-guild.com:80:192.168.245.132/" für die Website "4" nicht registrieren. Die erforderliche Netzwerkverbindung wird möglicherweise bereits verwendet. Die Website wurde deaktiviert. Das Datenfeld enthält die Fehlernummer. Ereignis-XML: <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="Microsoft-Windows-IIS-W3SVC" Guid="{05448E22-93DE-4A7A-BBA5-92E27486A8BE}" EventSourceName="W3SVC" /> <EventID Qualifiers="49152">1007</EventID> <Version>0</Version> <Level>2</Level> <Task>0</Task> <Opcode>0</Opcode> <Keywords>0x80000000000000</Keywords> <TimeCreated SystemTime="2011-03-26T16:14:56.000000000Z" /> <EventRecordID>1435</EventRecordID> <Correlation /> <Execution ProcessID="0" ThreadID="0" /> <Channel>System</Channel> <Computer>WIN-DCJ8SN0QI5J</Computer> <Security /> </System> <EventData> <Data Name="UrlPrefix">http://www.mash-guild.com:80:192.168.245.132/</Data> <Data Name="SiteID">4</Data> <Binary>B7000780</Binary> </EventData> </Event> I would like to know if there is a way to fix this or just get back to the IIS + Server settings I had just after I installed windows 2008 ?

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• Double Layer DVD+R burning problem - I/O Error

  - by Mehper C. Palavuzlar

  I have a modern PC (Quad Core CPU, 4 GB RAM, Win7 Home Premium 64-bit) but I have a problem with burning .dvd images to Double Layer (8.5 GB) DVDs. I wasted too many DVD+R DL discs but to no avail. Here is a short explanation of what I did: I'm using ImgBurn v2.5.0.0 (latest version). I'm trying to burn an image file (.dvd) which is together with the related .iso file in the same folder. In ImgBurn, I select the file with .dvd extension, and set writing speed to 2.4x. Burning process starts normally, but around 7% of the process, it gives a I/O Write Error, which is as follows: I wasted 3 discs (Magic, Made in Taiwan, DVD+R DL, 8.5 GB) trying the same thing. My DVD writer is LG GH22NP20 with IDE connection type. I updated its firmware from 1.04 to 2.00 but no success in burning again. Then my cousin brought his LG (an older model) which, he claims, was successful in writing DL discs with the same brand (Magic). I plugged off my LG and plugged the older one in, and tried to burn the image again. It also gave an I/O Error even without standing till 7%. I tried another burning program (CloneCD), but failed again. Then I bought other brands (TDK and VERBATIM) and tried to burn the image. Burning process started successfully, but around 14% (for Verbatim) and 25% (for TDK) failed again. Here is a screeny from ImgBurn: I've burned lots of 4.7 GB DVD+Rs and DVD-Rs successfully, even without a single error, with this LG DVD writer, but this case is very bothering for me. What should I do? Should I buy a new DVD writer other than LG? Could this be related to Windows or my hardware configuration? Thanks for your help. Edit: My burner works on my cousin's machine. So the problem must be related to my system. What could be the reason? Latest news: I borrowed an external USB DVD writer from a friend, which is PHILIPS SPD3000CC (an old model). Guess what! It's burning DVD+R DLs successfully! How come an internal DVD writer of a brand new computer system cannot burn DL DVDs? Now I'm considering buying a new internal DVD writer with not IDE, but SATA connection...

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• ssh tunnel error "ssh_exchange_identification: Connection closed by remote host"

  - by Jacob Ewing

  I'm trying to use an ssh tunnel from my office machine to my home machine, and get an error when I try to use it. What I'm doing is starting one shell like so: ssh -gL 12345:my.home.domain:22 my.home.domain This is giving me a proper shell, no problem. What I normally do then is ssh to my home machine through this office machine, like so: ssh -p 12345 127.0.0.1 This has always worked for me, until last week, when I set up a new system on my home machine (switching from Ubuntu to Debian). Now I get an error. I can still open up my initial ssh connection, but when I try to use that tunnel, I get (on the office machine) this error: ssh_exchange_identification: Connection closed by remote host Also, when that happens, the open shell that I have the tunnelling set up through gets this line spat out at it: channel 3: open failed: connect failed: Connection timed out At which point, I'm at a loss. If any more info is needed, I'll be happy to post it. ============= further to that ============== After fiddling around further, I've found that I'm getting a different response from the server (my home machine that is) when I try to telnet in on the various ports. If I try: telnet my.home.domain 22 I get this back: Trying <my ip address>... Connected to <my domain>. Escape character is '^]'. SSH-2.0-OpenSSH_5.5p1 Debian-6+squeeze2 Which is what I would expect. After setting up the tunnel though, and then telnetting to that, I see this response: Trying 127.0.0.1... Connected to 127.0.0.1. Escape character is '^]'. ============== and further still ================== As per kbulgrien's suggestion, here is the output from the client machine with the -v option: ssh -vp 24600 127.0.0.1 OpenSSH_5.9p1 Debian-5ubuntu1, OpenSSL 1.0.1 14 Mar 2012 debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 19: Applying options for * debug1: Connecting to 127.0.0.1 [127.0.0.1] port 24600. debug1: Connection established. debug1: identity file /home/jacob/.ssh/id_rsa type -1 debug1: identity file /home/jacob/.ssh/id_rsa-cert type -1 debug1: identity file /home/jacob/.ssh/id_dsa type -1 debug1: identity file /home/jacob/.ssh/id_dsa-cert type -1 debug1: identity file /home/jacob/.ssh/id_ecdsa type -1 debug1: identity file /home/jacob/.ssh/id_ecdsa-cert type -1 ssh_exchange_identification: Connection closed by remote host

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• /server-status shows over 240 requests like "OPTIONS * HTTP/1.0" 200 - "-" "Apache (internal dummy c

  - by Stefan Lasiewski

  Some details: Webserver: Apache/2.2.13 (FreeBSD) mod_ssl/2.2.13 OpenSSL/0.9.8e OS: FreeBSD 7.2-RELEASE This is a FreeBSD Jail. I believe I use the Apache 'prefork' MPM (I run the default for FreeBSD). I use the default values for MaxClients (256) I have enabled mod_status, with "ExtendedStatus On". When I view /server-status , I see a handful of regular requests. I also see over 240 requests from the 'localhost', like these. 37-0 - 0/0/1 . 0.00 1510 0 0.0 0.00 0.00 127.0.0.2 www.example.gov OPTIONS * HTTP/1.0 38-0 - 0/0/1 . 0.00 1509 0 0.0 0.00 0.00 127.0.0.2 www.example.gov OPTIONS * HTTP/1.0 39-0 - 0/0/3 . 0.00 1482 0 0.0 0.00 0.00 127.0.0.2 www.example.gov OPTIONS * HTTP/1.0 40-0 - 0/0/6 . 0.00 1445 0 0.0 0.00 0.00 127.0.0.2 www.example.gov OPTIONS * HTTP/1.0 I also see about 2417 requests yesterday from the localhost, like these: Apr 14 11:16:40 192.168.16.127 httpd[431]: www.example.gov 127.0.0.2 - - [15/Apr/2010:11:16:40 -0700] "OPTIONS * HTTP/1.0" 200 - "-" "Apache (internal dummy connection)" The page at http://wiki.apache.org/httpd/InternalDummyConnection says "These requests are perfectly normal and you do not, in general, need to worry about them", but I'm not so sure. Why are there over 230 of these? Are these active connections? If I have "MaxClients 256", and over 230 of these connections, it seems that my webserver is dangerously close to running out of available connections. It also seems like Apache should only need a handful of these "internal dummy connections" We actually had two unexplained outages last night, and I am wondering if these "internal dummy connection" caused us to run out of available connections. UPDATE 2010/04/16 It is 8 hours later. The /server-status page still shows that there are 243 lines which say "www.example.gov OPTION *". I believe these connections are not active. The server is mostly idle (1 requests currently being processed, 9 idle workers). There are only 18 active httpd processes on the Unix host. If these connections are not active, why do they show up under /server-status? I would have expected them to expire a few minutes after they were initialized.

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• Random servers in Citrix servers suddenly bluescreens (mostly 0x0000008e and 0x0000007e)

  - by Rasmus Rask

  I'm responsible for a Citrix Presentation Server 4.5 farm. Starting Friday 30. November, my servers started to crash randomly. So far we've experienced 80 crashes, so it's obviously becoming an increasingly big problem for us. I have 12+ years experience with IT, so I know the difference between 0 and 1, but I have a hard time cracking this. We've rolled back any recent changes I can think of for different groups of servers, but all groups still seem to crash. I don't have the skills to interpret the memory dumps to find the culprit. Has anyone encountered the same or a similar problem? - might be a generic Windows issue Other than executing "analyze -v" in WinDbg, how do I work my way through the memory dumps to see what actually triggered the BSOD? Any suggested steps in getting to the bottom of this? Any help is greatly appreciated. I can also provide links to kernel memory dumps or WinDbg output if necessary. Thanks! Problem description The majority of the STOP errors we encounter are: 0x0000008e KERNEL_MODE_EXCEPTION_NOT_HANDLED (50%) 0x0000007e SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (26%) 0x00000050 PAGE_FAULT_IN_NONPAGED_AREA (21%) We also see a few 0x0000000a IRQL_NOT_LESS_OR_EQUAL (3%). For both 0x0000008e and 0x0000007e bug checks, the exception code is 0xc0000005 (Access Violation). When opening dump files in WinDbg, most details are exactly the same, for all the 0x0000008e and 0x0000007e bug checks respectively: 0x0000008e Exception address: 0x808bc9e3 Trap frame: [varies] FAILURE_BUCKET_ID: 0x8E_nt!HvpGetCellMapped+97 Probably Caused by (IMAGE_NAME): ntkrpamp.exe 0x0000007e Exception address: 0x808369b6 Exception record address: 0xf70d3be0 Context record address: 0xf70d38dc FAILURE_BUCKET_ID: 0x7E_nt!MmPurgeSection+14 Probably Caused by: memory_corruption About 30% of the crashes happens between 17:00 and 19:00, which leads me to believe this tend to happen more often during logoffs. But then again, only ~15% occurs between 15:00 and 17:00. Summary of farm Citrix Presentation Server 4.5 R06 on Windows Server 2003 R2 SP2 All high priority patches, at least as of October installed Virtualized using VMWare ESX/vSphere 4.1 on HP Proliant BL460c G6 blade servers About 53 Presentation Servers in production, divided into three silos - only one of which, the largest, is affected 2 vCPU's (5 GHz reserved), 8 GB RAM (all reserved) for each Presentation Server Plenty of free disk space Very few printer drivers - automated deletion of non-approved drivers every night ~1.000 peak concurrent users, which is reached at around 10:30 (on weekdays) Number of sessions steadily decline between 15:00 and 19:00 to ~230

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• Why can blocked IPs get through my iptables? What's wrong with this configuration?

  - by NeedSomeHelp

  (Why can/How are) blocked IPs (get/getting) through my iptables? Hello and thanks for your consideration... I have configured iptables and included (below) output from the command "iptables --line-numbers -n -L" yet IP addresses (like 31.41.219.180) from IP blocks I have already blocked are getting through. Please take a look and share any input you may have. Thank you. P.S. The initial ACCEPT IP addresses are for CloudFlare. . Chain INPUT (policy DROP 0 packets, 0 bytes) num pkts bytes target prot opt in out source destination 1 32267 14M ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED 2 0 0 REJECT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp flags:!0x17/0x02 state NEW reject-with tcp-reset 3 149 8570 DROP all -- * * 0.0.0.0/0 0.0.0.0/0 state INVALID 4 434 25606 ACCEPT all -- lo * 0.0.0.0/0 0.0.0.0/0 5 0 0 ACCEPT udp -- * * 103.21.244.0/22 0.0.0.0/0 6 0 0 ACCEPT udp -- * * 103.22.200.0/22 0.0.0.0/0 7 0 0 ACCEPT udp -- * * 103.31.4.0/22 0.0.0.0/0 8 0 0 ACCEPT udp -- * * 104.16.0.0/12 0.0.0.0/0 9 0 0 ACCEPT udp -- * * 108.162.192.0/18 0.0.0.0/0 10 0 0 ACCEPT udp -- * * 141.101.64.0/18 0.0.0.0/0 11 0 0 ACCEPT udp -- * * 162.158.0.0/15 0.0.0.0/0 12 0 0 ACCEPT udp -- * * 173.245.48.0/20 0.0.0.0/0 13 0 0 ACCEPT udp -- * * 188.114.96.0/20 0.0.0.0/0 14 0 0 ACCEPT udp -- * * 190.93.240.0/20 0.0.0.0/0 15 0 0 ACCEPT udp -- * * 197.234.240.0/22 0.0.0.0/0 16 0 0 ACCEPT udp -- * * 198.41.128.0/17 0.0.0.0/0 17 0 0 ACCEPT udp -- * * 199.27.128.0/21 0.0.0.0/0 18 0 0 ACCEPT tcp -- * * 103.21.244.0/22 0.0.0.0/0 19 9 468 ACCEPT tcp -- * * 103.22.200.0/22 0.0.0.0/0 20 0 0 ACCEPT tcp -- * * 103.31.4.0/22 0.0.0.0/0 21 0 0 ACCEPT tcp -- * * 104.16.0.0/12 0.0.0.0/0 22 858 44616 ACCEPT tcp -- * * 108.162.192.0/18 0.0.0.0/0 23 376 19552 ACCEPT tcp -- * * 141.101.64.0/18 0.0.0.0/0 24 0 0 ACCEPT tcp -- * * 162.158.0.0/15 0.0.0.0/0 25 257 13364 ACCEPT tcp -- * * 173.245.48.0/20 0.0.0.0/0 26 0 0 ACCEPT tcp -- * * 188.114.96.0/20 0.0.0.0/0 27 0 0 ACCEPT tcp -- * * 190.93.240.0/20 0.0.0.0/0 28 0 0 ACCEPT tcp -- * * 197.234.240.0/22 0.0.0.0/0 29 0 0 ACCEPT tcp -- * * 198.41.128.0/17 0.0.0.0/0 30 92 4784 ACCEPT tcp -- * * 199.27.128.0/21 0.0.0.0/0 31 0 0 DROP tcp -- * * 1.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 32 0 0 DROP tcp -- * * 101.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 33 0 0 DROP tcp -- * * 102.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 34 0 0 DROP tcp -- * * 103.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 35 18 1080 DROP tcp -- * * 109.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 36 0 0 DROP tcp -- * * 112.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 37 12 656 DROP tcp -- * * 113.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 38 0 0 DROP tcp -- * * 114.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 39 0 0 DROP tcp -- * * 115.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 40 8 352 DROP tcp -- * * 116.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 41 0 0 DROP tcp -- * * 117.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 42 0 0 DROP tcp -- * * 118.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 43 2 120 DROP tcp -- * * 119.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 44 0 0 DROP tcp -- * * 120.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 45 0 0 DROP tcp -- * * 121.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 46 4 160 DROP tcp -- * * 122.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 47 4 240 DROP tcp -- * * 123.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 48 0 0 DROP tcp -- * * 125.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 49 0 0 DROP tcp -- * * 134.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 50 0 0 DROP tcp -- * * 146.185.0.0/16 0.0.0.0/0 tcp dpts:1:50000 51 6 360 DROP tcp -- * * 148.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 52 0 0 DROP tcp -- * * 151.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 53 0 0 DROP tcp -- * * 175.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 54 0 0 DROP tcp -- * * 176.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 55 0 0 DROP tcp -- * * 177.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 56 46 2696 DROP tcp -- * * 178.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 57 0 0 DROP tcp -- * * 179.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 58 4 224 DROP tcp -- * * 180.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 59 0 0 DROP tcp -- * * 181.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 60 0 0 DROP tcp -- * * 182.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 61 34 2040 DROP tcp -- * * 183.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 62 0 0 DROP tcp -- * * 185.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 63 0 0 DROP tcp -- * * 186.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 64 0 0 DROP tcp -- * * 187.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 65 18 912 DROP tcp -- * * 188.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 66 0 0 DROP tcp -- * * 189.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 67 0 0 DROP tcp -- * * 190.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 68 2 120 DROP tcp -- * * 192.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 69 0 0 DROP tcp -- * * 196.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 70 0 0 DROP tcp -- * * 197.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 71 5 300 DROP tcp -- * * 198.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 72 0 0 DROP tcp -- * * 2.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 73 0 0 DROP tcp -- * * 200.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 74 0 0 DROP tcp -- * * 201.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 75 6 360 DROP tcp -- * * 202.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 76 0 0 DROP tcp -- * * 203.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 77 4 160 DROP tcp -- * * 210.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 78 0 0 DROP tcp -- * * 211.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 79 2 96 DROP tcp -- * * 212.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 80 4 240 DROP tcp -- * * 213.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 81 0 0 DROP tcp -- * * 214.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 82 0 0 DROP tcp -- * * 215.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 83 0 0 DROP tcp -- * * 216.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 84 0 0 DROP tcp -- * * 217.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 85 4 172 DROP tcp -- * * 218.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 86 12 576 DROP tcp -- * * 219.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 87 7 372 DROP tcp -- * * 220.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 88 0 0 DROP tcp -- * * 222.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 89 0 0 DROP tcp -- * * 27.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 90 12 608 DROP tcp -- * * 31.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 91 11 528 DROP tcp -- * * 37.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 92 0 0 DROP tcp -- * * 41.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 93 0 0 DROP tcp -- * * 42.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 94 0 0 DROP tcp -- * * 43.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 95 8 480 DROP tcp -- * * 46.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 96 0 0 DROP tcp -- * * 49.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 97 6 360 DROP tcp -- * * 5.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 98 0 0 DROP tcp -- * * 58.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 99 0 0 DROP tcp -- * * 60.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 100 4 160 DROP tcp -- * * 61.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 101 32 1848 DROP tcp -- * * 62.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 102 0 0 DROP tcp -- * * 63.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 103 20 1200 DROP tcp -- * * 64.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 104 0 0 DROP tcp -- * * 65.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 105 266 15960 DROP tcp -- * * 66.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 106 3 180 DROP tcp -- * * 69.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 107 5 272 DROP tcp -- * * 72.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 108 0 0 DROP tcp -- * * 78.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 109 0 0 DROP tcp -- * * 81.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 110 3 180 DROP tcp -- * * 82.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 111 0 0 DROP tcp -- * * 83.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 112 8 384 DROP tcp -- * * 84.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 113 0 0 DROP tcp -- * * 85.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 114 0 0 DROP tcp -- * * 86.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 115 6 360 DROP tcp -- * * 87.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 116 7 408 DROP tcp -- * * 88.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 117 0 0 DROP tcp -- * * 89.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 118 0 0 DROP tcp -- * * 90.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 119 0 0 DROP tcp -- * * 91.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 120 3 152 DROP tcp -- * * 92.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 121 20 992 DROP tcp -- * * 93.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 122 9 512 DROP tcp -- * * 94.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 123 5 272 DROP tcp -- * * 95.0.0.0/8 0.0.0.0/0 tcp dpts:1:50000 124 0 0 DROP udp -- * * 1.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 125 0 0 DROP udp -- * * 101.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 126 0 0 DROP udp -- * * 102.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 127 0 0 DROP udp -- * * 103.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 128 0 0 DROP udp -- * * 109.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 129 0 0 DROP udp -- * * 112.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 130 0 0 DROP udp -- * * 113.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 131 0 0 DROP udp -- * * 114.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 132 1 112 DROP udp -- * * 115.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 133 0 0 DROP udp -- * * 116.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 134 0 0 DROP udp -- * * 117.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 135 0 0 DROP udp -- * * 118.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 136 0 0 DROP udp -- * * 119.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 137 0 0 DROP udp -- * * 120.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 138 0 0 DROP udp -- * * 121.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 139 0 0 DROP udp -- * * 122.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 140 0 0 DROP udp -- * * 123.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 141 0 0 DROP udp -- * * 125.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 142 0 0 DROP udp -- * * 134.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 143 0 0 DROP udp -- * * 146.185.0.0/16 0.0.0.0/0 udp dpts:1:50000 144 0 0 DROP udp -- * * 148.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 145 0 0 DROP udp -- * * 151.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 146 0 0 DROP udp -- * * 175.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 147 0 0 DROP udp -- * * 176.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 148 1 70 DROP udp -- * * 177.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 149 0 0 DROP udp -- * * 178.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 150 0 0 DROP udp -- * * 179.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 151 0 0 DROP udp -- * * 180.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 152 0 0 DROP udp -- * * 181.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 153 0 0 DROP udp -- * * 182.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 154 0 0 DROP udp -- * * 183.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 155 0 0 DROP udp -- * * 185.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 156 1 74 DROP udp -- * * 186.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 157 0 0 DROP udp -- * * 187.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 158 0 0 DROP udp -- * * 188.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 159 0 0 DROP udp -- * * 189.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 160 0 0 DROP udp -- * * 190.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 161 0 0 DROP udp -- * * 192.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 162 0 0 DROP udp -- * * 196.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 163 0 0 DROP udp -- * * 197.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 164 0 0 DROP udp -- * * 198.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 165 0 0 DROP udp -- * * 2.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 166 0 0 DROP udp -- * * 200.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 167 0 0 DROP udp -- * * 201.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 168 0 0 DROP udp -- * * 202.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 169 0 0 DROP udp -- * * 203.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 170 0 0 DROP udp -- * * 210.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 171 0 0 DROP udp -- * * 211.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 172 0 0 DROP udp -- * * 212.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 173 0 0 DROP udp -- * * 213.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 174 0 0 DROP udp -- * * 214.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 175 0 0 DROP udp -- * * 215.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 176 0 0 DROP udp -- * * 216.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 177 0 0 DROP udp -- * * 217.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 178 1 80 DROP udp -- * * 218.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 179 0 0 DROP udp -- * * 219.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 180 0 0 DROP udp -- * * 220.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 181 0 0 DROP udp -- * * 222.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 182 0 0 DROP udp -- * * 27.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 183 0 0 DROP udp -- * * 31.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 184 0 0 DROP udp -- * * 37.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 185 0 0 DROP udp -- * * 41.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 186 0 0 DROP udp -- * * 42.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 187 0 0 DROP udp -- * * 43.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 188 0 0 DROP udp -- * * 46.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 189 0 0 DROP udp -- * * 49.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 190 0 0 DROP udp -- * * 5.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 191 0 0 DROP udp -- * * 58.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 192 0 0 DROP udp -- * * 60.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 193 0 0 DROP udp -- * * 61.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 194 0 0 DROP udp -- * * 62.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 195 0 0 DROP udp -- * * 63.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 196 0 0 DROP udp -- * * 64.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 197 0 0 DROP udp -- * * 65.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 198 0 0 DROP udp -- * * 66.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 199 0 0 DROP udp -- * * 69.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 200 0 0 DROP udp -- * * 72.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 201 0 0 DROP udp -- * * 78.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 202 0 0 DROP udp -- * * 81.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 203 0 0 DROP udp -- * * 82.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 204 0 0 DROP udp -- * * 83.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 205 0 0 DROP udp -- * * 84.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 206 0 0 DROP udp -- * * 85.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 207 0 0 DROP udp -- * * 86.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 208 0 0 DROP udp -- * * 87.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 209 0 0 DROP udp -- * * 88.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 210 0 0 DROP udp -- * * 89.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 211 0 0 DROP udp -- * * 90.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 212 0 0 DROP udp -- * * 91.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 213 0 0 DROP udp -- * * 92.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 214 2 72 DROP udp -- * * 93.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 215 0 0 DROP udp -- * * 94.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 216 0 0 DROP udp -- * * 95.0.0.0/8 0.0.0.0/0 udp dpts:1:50000 217 0 0 DROP tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:12443 218 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:11443 219 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:11444 220 23 1104 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:8447 221 24 1152 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:8443 222 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:8880 223 207 11096 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:80 224 19 996 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:443 225 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:21 226 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:22 227 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:587 228 4 216 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:25 229 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:465 230 14 840 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:110 231 2 120 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:995 232 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:143 233 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:993 234 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:106 235 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:3306 236 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:5432 237 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:9008 238 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:9080 239 0 0 ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:137 240 0 0 ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:138 241 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:139 242 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:445 243 0 0 ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:1194 244 0 0 ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:53 245 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:53 246 73 4488 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 icmp type 8 code 0 247 77 23598 DROP all -- * * 0.0.0.0/0 0.0.0.0/0 Chain FORWARD (policy DROP 0 packets, 0 bytes) num pkts bytes target prot opt in out source destination 1 0 0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED 2 0 0 REJECT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp flags:!0x17/0x02 state NEW reject-with tcp-reset 3 0 0 DROP all -- * * 0.0.0.0/0 0.0.0.0/0 state INVALID 4 0 0 ACCEPT all -- lo lo 0.0.0.0/0 0.0.0.0/0 5 0 0 DROP all -- * * 0.0.0.0/0 0.0.0.0/0 Chain OUTPUT (policy DROP 0 packets, 0 bytes) num pkts bytes target prot opt in out source destination 1 31004 25M ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED 2 1 333 REJECT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp flags:!0x17/0x02 state NEW reject-with tcp-reset 3 0 0 DROP all -- * * 0.0.0.0/0 0.0.0.0/0 state INVALID 4 434 25606 ACCEPT all -- * lo 0.0.0.0/0 0.0.0.0/0 5 328 21324 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0

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• APC UPS replace battery light and apcupsd reporting "replace battery"

  - by mgjk

  We have an APC Smart UPS 1500. The "Replace Battery" light is on, and apcupsd reports: Emergency! Batteries have failed on UPS xxxx. Change them NOW However, from this article, http://sturgeon.apcc.com/kbasewb2.nsf/for+external/f39c4312fcaf7b948525679a005ebb78?OpenDocument it seems that it's not so clear that the UPS battery needs to be replaced. Stranger, according to the information on the UPS, an 11 minute runtime at 42.9% load running at 27.7V isn't so bad. Any thoughts about what to try next? We're a non-profit, money is an object. It would be a shame to replace a battery with a year or so left in it. # apcaccess status APC : 001,041,1017 DATE : Thu Mar 29 13:01:41 EDT 2012 HOSTNAME : oreilly2 VERSION : 3.14.6 (16 May 2009) debian UPSNAME : xxxx CABLE : Custom Cable Smart MODEL : Smart-UPS 1500 UPSMODE : Stand Alone STARTTIME: Thu Mar 29 12:57:30 EDT 2012 STATUS : ONLINE LINEV : 112.3 Volts LOADPCT : 42.9 Percent Load Capacity BCHARGE : 100.0 Percent TIMELEFT : 11.0 Minutes MBATTCHG : 5 Percent MINTIMEL : 3 Minutes MAXTIME : 0 Seconds OUTPUTV : 112.3 Volts SENSE : High DWAKE : -01 Seconds DSHUTD : 090 Seconds LOTRANS : 106.0 Volts HITRANS : 127.0 Volts RETPCT : 000.0 Percent ITEMP : 23.8 C Internal ALARMDEL : Always BATTV : 27.7 Volts LINEFREQ : 60.0 Hz LASTXFER : No transfers since turnon NUMXFERS : 0 TONBATT : 0 seconds CUMONBATT: 0 seconds XOFFBATT : N/A SELFTEST : NO STATFLAG : 0x07000008 Status Flag SERIALNO : AS0603298896 BATTDATE : 2006-01-14 NOMOUTV : 120 Volts NOMBATTV : 24.0 Volts FIRMWARE : 601.3.D USB FW:1.5 APCMODEL : Smart-UPS 1500 END APC : Thu Mar 29 13:02:12 EDT 2012 Error when running upstest You are using a SMART cable type, so I'm entering SMART test mode mode.type = USB_UPS Setting up the port ... Hello, this is the apcupsd Cable Test program. This part of apctest is for testing Smart UPSes. Please select the function you want to perform. 1) Query the UPS for all known values 2) Perform a Battery Runtime Calibration 3) Abort Battery Calibration 4) Monitor Battery Calibration progress 5) Program EEPROM 6) Enter TTY mode communicating with UPS 7) Quit Select function number: 2 First ensure that we have a good link and that the UPS is functionning normally. Simulating UPSlinkCheck ... YWrote: Y Got: getline failed. Apparently the link is not up. Giving up.

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• How to make Firefox use TCP for DNS

  - by miniBill

  I want to use TCP for DNS, to bypass my ISP's slow and broken DNS servers. I'm not using (and don't want to use) a proxy. Note: I want to use DNS over TCP because if I use it over udp, no matter what server I set, I get answers from my ISP's DNS. Notice that I will fiercely downvote whoever suggests: programs to do TCP over DNS, the setting in about:config to make DNS go over the proxy too: I'm not using a proxy, use another DNS: I've already set up Google as my DNS, but I get intercepted. Example of what I mean by saying intercept: $ dig @8.8.8.8 thepiratebay.se ; <<>> DiG 9.8.1 <<>> @8.8.8.8 thepiratebay.se ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 24385 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;thepiratebay.se. IN A ;; ANSWER SECTION: thepiratebay.se. 28800 IN A 83.224.65.41 ;; Query time: 50 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Sun Sep 16 22:51:06 2012 ;; MSG SIZE rcvd: 49 $ dig +tcp @8.8.8.8 thepiratebay.se ; <<>> DiG 9.8.1 <<>> +tcp @8.8.8.8 thepiratebay.se ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 15131 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;thepiratebay.se. IN A ;; ANSWER SECTION: thepiratebay.se. 436 IN A 194.71.107.15 ;; Query time: 61 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Sun Sep 16 22:51:10 2012 ;; MSG SIZE rcvd: 49 If it matters, I'm using Firefox 14 on Gentoo Linux.

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