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  • Fedora 17 - Dropping into debug shell after attempted partitioning

    - by i.h4d35
    So I tried creating a new partition on Fedora 17 using fdisk as follows: Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 1 First cylinder (2048-823215039, default 2048): Using default value 2048 Last cylinder or +size or +sizeM or +sizeK (1-9039, default 9039): +15G Once this was done,instead of formatting the partition I created, I ran the partprobe command to write the changes to the partition table. On rebooting the computer, it drops to the debug shell and gives me the error as follows: dracut warning:unable to process initqueue dracut warning:/dev/disk/by-uuid/vg_mymachine does not exist dropping to debug shell dracut:/# While trying to run fsck on the said partition from the debug shell, it says "etc/fstab not found" and inside /etc I see a fstab.empty file. Is it now possible to retrieve what I have from the computer? Any help would be appreciated. Thanks in advance Edit: I've also tried the following steps for additional troubleshooting: I tried to boot using the Fedora disk and tried the rescue mode - says no Linux partition detected. I tried to create an fstab file by combining the entries from blkid and the /etc/mtab file and using the UUIDs from the mtab file - It didn't work. As soon as I rebooted the machine, it promptly dropped me in to the debug shell and the fstab file which i created wansn't there anymore in /etc (part of this solution)

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  • Fatal Execution Engine Error on the Windows2008 r2, IIS7.5

    - by user66524
    Hi Guys We are running some asp.net(3.5) applications on the Windows2008 r2, IIS7.5. Recently we got some event logs so difficult, we have not idea hope some guys can help. 1.EventID: 1334 (9-1-2011 8:41:57) Error message An error occurred during a process host idle check. Exception: System.AccessViolationException Message: Attempted to read or write protected memory. This is often an indication that other memory is corrupt. StackTrace: at System.Collections.Hashtable.GetEnumerator() at System.Web.Hosting.ApplicationManager.IsIdle() at System.Web.Hosting.ProcessHost.IsIdle() 2.EventID: 1023 (9-1-2011 19:44:02) Error message .NET Runtime version 2.0.50727.4952 - Fatal Execution Engine Error (742B851A) (80131506) 3.EventID: 1000 (9-1-2011 19:44:03) Error message Faulting application name: w3wp.exe, version: 7.5.7600.16385, time stamp: 0x4a5bcd2b Faulting module name: mscorwks.dll, version: 2.0.50727.4952, time stamp: 0x4bebd49a Exception code: 0xc0000005 Fault offset: 0x0000c262 Faulting process id: 0x%9 Faulting application start time: 0x%10 Faulting application path: %11 Faulting module path: %12 Report Id: %13 4.EventID: 5011 (9-1-2011 19:44:03) Error message A process serving application pool 'AppPoolName' suffered a fatal communication error with the Windows Process Activation Service. The process id was '2552'. The data field contains the error number. 5.some info: we got the memory.hdmp(234MB) and minidump.mdmp(19.2) from control panel action center but I donot know how to use that :(

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  • How do I use a self encrypting drive?

    - by Unique_Key
    I recently purchased a Micron RealSSD c400 self encrypting drive, and I am having a few issues when trying to get it recognized by my laptop (HP Elitebook 8440p running Windows 7 x64; also tried on a custom-built desktop). When I try to initialize the drive from disk management, I get a CRC error; also, when attempting to partition it from Windows setup, the program can't create the partitions. I also tried with UBCD, nothing. I assume this is due to drive security, but I haven't been able to find much information about this online; do I need a management software or something? I'm completely stumped here. EDIT As requested, when I try partitioning the device from Windows setup I get a 0x80300024 error; when I try initializing it from disk management, I get a "Data error (cyclic redundancy check)" message, and the event log shows the following under System: Source: VDS Basic Provider, message: unexpected failure. error code 490@01010004 (2x) Source: Virtual Disk Service, message: VDS fails to write boot code on a disk during clean operation. Error code: 80070001@02070008 (1x) Source: Disk, message: The device \Device\Harddisk2\DR2 has a bad block (2x) The security logs show nothing related. Also, when attempting to configure it from UBCD (utility: HDAT2), I get an error along the lines of "can't edit partition information" or something to that tune.

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  • Google Chrome doesn't respond user actions correctly

    - by Carlos A. Junior
    Recently I've changed my OS to Ubuntu 12.04 (Cinnamon, 64 bits) from Mint 13 (KDE, 64 bits) and one same bug still appears on new installation. The Google Chrome it seems that don't refresh (repaint) page based on my interactions. Example: When i'm try comment an Youtube vídeo, when i click on textarea, o cursor don't appear inside of textarea, BUT, when/if i change to another tab and return the cursor appears...OK... If i start write some text...according i'm typing the chars don't appers...again if i change to another tab and return the typed text appears on textarea. Other cases that this bug appears: Modal boxes link...don't show the modal; Forms inside modal boxes don't show typed chars; The common Discus comment plugin don't work when focused; I don't have any idea of reason of this bug. (video driver, window manager, Chrome bug ?, i don't know) Any idea to solve this ? Additional informations: Google Chrome 22.0.1229.79 (Official Build 158531) OS Linux WebKit 537.4 (@129177) JavaScript V8 3.12.19.11 Flash 11.3.31.331 User Agent Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.79 Safari/537.4 Command Line /opt/google/chrome/google-chrome --flag-switches-begin --flag-switches-end Executable Path /opt/google/chrome/google-chrome Profile Path /home/carlos/.config/google-chrome/Default Kernel version: 3.2.0-31-generic-pae Ubuntu 12.04 Best regards.

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  • Ubuntu server PPTPD with OS X clients Problems

    - by Nakedsteve
    I'm trying to get a PPTP server running on a ubuntu server, but I've run into some issues with it. I followed this guide on how to set up pptpd on my server, and everything went smooth, but when I try to connect with my mac, it gives me this error: Here's my configuration: Does anyone have any idea as to what I'm doing wrong here? Update: Here's what the pptpd.log has to say about it: steve@debian:~$ sudo tail /var/log/pptpd.log sudo: unable to resolve host debian Sep 3 21:46:43 debian pptpd[2485]: MGR: Manager process started Sep 3 21:46:43 debian pptpd[2485]: MGR: Maximum of 11 connections available Sep 3 21:46:43 debian pptpd[2485]: MGR: Couldn't create host socket Sep 3 21:46:43 debian pptpd[2485]: createHostSocket: Address already in use Sep 3 21:46:56 debian pptpd[2486]: CTRL: Client 192.168.1.101 control connection started Sep 3 21:46:56 debian pptpd[2486]: CTRL: Starting call (launching pppd, opening GRE) Sep 3 21:46:56 debian pptpd[2486]: GRE: read(fd=6,buffer=204d0,len=8196) from PTY failed: status = -1 error = Input/output error, usually caused by unexpected termination of pppd, check option syntax and pppd logs Sep 3 21:46:56 debian pptpd[2486]: CTRL: PTY read or GRE write failed (pty,gre)=(6,7) Sep 3 21:46:56 debian pptpd[2486]: CTRL: Reaping child PPP[2487] Sep 3 21:46:56 debian pptpd[2486]: CTRL: Client 192.168.1.101 control connection finished My pptpd options are: asyncmap 0 noauth crtscts lock hide-password modem debug proxyarp lcp-echo-interval 30 lcp-echo-failure 4 nopix

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  • Linux: Force fsck of a read-only mounted filesystem?

    - by Timothy Miller
    I'm developing for a headless embedded appliance, running CentOS 6.2. The user can connect a keyboard, but not a monitor, and a serial console would require opening the case, something we don't want the user to have to do. This all pretty much obviates the possibility of using a recovery USB drive to boot from, unless all it does is blindly reimage the harddrive. I would like to provide some recovery facilities, and I have written a tool that comes up on /dev/tty1 in place of getty to provide these functions. One such function is fsck. I have found out how to remount the root and other file systems read-only. Now that they are read-only, it should be safe to fsck them and then reboot. Unfortunately, fsck complains to me that the filesystems are mounted and refuses to do anything. How can I force fsck to run on a read-only mounted partition? Based on my research, this is going to have to be something obscure. "-f" just means to force repair of a clean (but unmounted) partition. I need to repair a clean or unclean mounted partition. From what I read, this is something "only experts" should do, but no one has bothered to explain how the experts do it. I'm hoping someone can reveal this to me. BTW, I've noticed that e2fsck 1.42.4 on Gentoo will let you fsck a mounted partition, even mounted read-write, but it seems only to do so if fsck is run from a terminal, so it can ask the user if they're sure they want to do something so dangerous. I'm not sure if the CentOS version does the same thing, but it appears that fsck CAN repair a mounted partition, but it flatly refuses to when not run from a terminal. One last-resort option is for me to compile my own hacked fsck. But I'm afraid I'll mess it up in some unexpected way. Thanks! Note: Originally posted here.

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  • Weird Apache Crash (with Dump) zend_hash_find (), libphp5.so

    - by Jacob84
    To be honest I don't have experience working with Apache. I'm just putting the best of my intentions on solving this and don't know if I'm making it right. So any help will be greatly appreciated. We have a php page wich is throwing the following message in the browser: Error 324 (net::ERR_EMPTY_RESPONSE): The server closed the connection without sending any data. The logs from /var/log/httpd doesn't seem to help because It seems that the Apache is unable to write any information. So the exception or error is preventing the writing (maybe ocurring in some stage of the process that makes impossible to log?). I've read about the procedure to make dumps of the apache, and here we have the content: Reading symbols from /lib64/libgpg-error.so.0...(no debugging symbols found)...done. Loaded symbols for /lib64/libgpg-error.so.0 Reading symbols from /usr/lib64/php/modules/zip.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib64/php/modules/zip.so Core was generated by `/usr/sbin/httpd'. Program terminated with signal 11, Segmentation fault. 0 0x00007fb828fff712 in zend_hash_find () from /etc/httpd/modules/libphp5.so Missing separate debuginfos, use: debuginfo-install httpd-2.2.15-15.el6.centos.1.x86_64 I've been looking in the PHP files and I haven't found any direct call to zend_hash_find (wich seems to be causing the error). I've been looking at Google but found nothing related. Can somebody please help? Is there any step that I need to accomplish to know more? Thanks a lot, as always!

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  • Run FTP session from bash script

    - by Adam Salkin
    I'm trying to write a BASH script to test if an FTP site that I own is running. I therefore want the bash script to connect to the FTP site, log in with a dummy account and redirect the output to a file that I can then grep to confirm that the login succeeded. (I know that putting user/pass in a file is not recommended, but this dummy account is chrooted to one empty directory and can't escape to the shell, and in any case I'm the only user who can login to a shell prompt.) I'm using the BASH shell on Ubuntu. I created a file called "ftp-dummy" which looks like this username password And I then did this from the prompt: adam$ ftp my.ftpsite.com < ftp-dummy This does not work - I don't see the normal welcome message and the output is: Password:Name (my.ftpsite.com:adam) : I tried removing the space between the < and the filename - same result. If I redirect the output to a testfile, the testfile shows: Name (my.ftpsite.com:adam): ?Invalid command And I still get a Password prompt on STDOUT I also tried using echo and get the same result: echo -e "username \npassword \n" | ftp my.ftpsite.com I don't see why I'm not seeing the normal welcome message or why the input is not being read from the file. Any help would be much appreciated. Thanks, Adam

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  • Idle state detection for server

    - by odinmillion
    Windows OS has a service that detects idle state. Details: Task Idle Conditions The computer is considered idle if all the processors and all the disks were idle for more than 90% of the past 15 minutes and if there is no keyboard or mouse input during this period of time. When the Task Scheduler service detects that the computer is idle, the service only waits for user input to mark the end of the idle state. It is very useful for usual PCs that have keyboard amd mouse. We can use standard task scheduler to start some process like defrag when PC in idle state and stop when PC isn't in idle state. But what should we use when we using a standalone server without keyboard and mouse? Server sometimes receives commands by TCP/IP and starts CPU and HDD activity. But sometimes CPU and HDD activity at zero level. I would like to use this periods of time to start defrag or another process. But this started at "idle" state processes should be terminated when another commands will appear. So, standard idle state conditions cant help me because we have not got user input to stop idle state. I need more customizable idle state detector. Automatically started processes shouldn't influence to idle state, but PC should go away from idle state when another process will apperar. What should I use? Maybe exists some advansed task scheduler? Or I should write some useful utility on C#? I hope that it is a standard task and all useful utilities already compiled :)

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  • Rails/Mongo across multiple different geo-regions

    - by wmarbut
    I have a system that by necessity requires physical presence in three or more different locations and I need advice on structuring in such a way that my database stays replicated in a timely manner without horrible latency. I've seen mysql access and replication be incredibly slow when the application server was trying to talk to a node that wasn't physically collocated. In this case I am using mongodb. The stack is linux/passenger/ruby/rails/mongodb. The database is write heavy and read light. The infrastructure is Amazon EC2 The application layer must be physically located in 3 or more different locations. I can't justify this requirement further than it is a requirement. The database, however needn't be located in more than one location if it can be written to quickly from other locations. From reading mongo's documentation, mongo replication seems like more of a candidate than sharding b/c my datastore is not huge. However I don't see anything that addresses the issue of speed for servers communicating across large distances with potentially high latency.

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  • Everyone can access my Windows 7 Homegroup file shares - Even Windows XP computers

    - by Adrian Grigore
    I have 3 computers in my network, two running Windows 7 and one running Windows XP. I've set up a homegroup on both Windows 7 computers. Also, all computers are in the same Workgroup. The problem is that one of the Windows 7 computers makes all shares accessible to the entire Workgroup instead of just sharing to the Homegroup as it should be. I created the file share in Windows 7 via right-click in the explorer, then click on "Share For" - "Homegroup (Read/Write)" (translated from German, so the actual wording may be different). Also, when I look at the file sharing properties of that folder, Windows Explorer informs me that Users must have a valid account and password for this Computer to access drive shares. Unfortunately this is not true. Being in the same Workgroup is enough to get access. Homegroup restrictions work as expected on my other Windows 7 computer. When trying to browse those shares from the XP computer, I get a dialog asking for a login and password. What might cause homegroup restrictions to fail and how can I fix this?

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  • Godaddy domain and Bluehost web hosting

    - by Digital site
    I have a domain from Godaddy and web hosting at Bluehost. I want to make this work as some people say no need to transfer the domain from Godaddy to Bluehost. I was trying to find out how to get this work out by adding name servers for Bluehost ns1.bluehost.com ns2.bluehost.com at Godaddy. This works fine, but not sure if 100% OK yet. The reason why I say that is when I type in my address name on any browser this way: mydomain.com it doesn't work. Instead I get an error message stating that this server is not found or couldn't connect to it... However, when I write the domain name and include the www. prefix it works fine... The other problem is when I search in google or yahoo, the domain shows like this: mydomain.com , which is not really good because my clients think my site is down because of the error message, and most new people don't know if they have to add www. to the domain to work. I just want to make at least the domain works like this: mydomain.com

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  • Strange corruption saving from Textpad 5 within Windows 7-64 VirtualBox VM to shared folder with Mac host

    - by joelarson
    I have a fairly new Window-7 64bit install running in Virtual Box on a MacBook Pro. I'm using TextPad 5 within that environment to edit source files that live on a shared folder that is on the Mac Host. When I save some of these source files, the saved file ends up with some amount of the end of the file repeated one or more times. For example, a file that has this at the end: ... return ttp; }; would, once saved, open up with: ... return ttp; }; }; It is definitely a problem with how the file gets written as opposed to how it's read, because I can see this now matter what app I use to open the file with (NotePad & Word in Windows 7, TextWrangler back in the Mac). I've tried saving as ANSI and UTF-8, and with or without the 'Write Unicode and UTF-8 BOM' checked in TextPad preferences. It doesn't happen with all files though I can't see any pattern about which files do or don't have the problem. It doesn't happen with files written to the Windows 7 c:\ drive. And so far it doesn't happen from other applications saving files, only TextPad. Any ideas? My versions: Textpad 5.4.2 Windows 7 Professional 64-bit, fully up to date VirtualBox 4.0.8 r71778 OSX 10.6.7

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  • postgresql No space left on device

    - by pstanton
    Postgres is reporting that it is out of disk space while performing a rather large aggregation query: Caused by: org.postgresql.util.PSQLException: ERROR: could not write block 31840050 of temporary file: No space left on device at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:1592) at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1327) at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:192) at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:451) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:350) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeUpdate(AbstractJdbc2Statement.java:304) at org.hibernate.engine.query.NativeSQLQueryPlan.performExecuteUpdate(NativeSQLQueryPlan.java:189) ... 8 more However the disk has quite a lot of space: Filesystem Size Used Avail Use% Mounted on /dev/sda1 386G 123G 243G 34% / udev 5.9G 172K 5.9G 1% /dev none 5.9G 0 5.9G 0% /dev/shm none 5.9G 628K 5.9G 1% /var/run none 5.9G 0 5.9G 0% /var/lock none 5.9G 0 5.9G 0% /lib/init/rw The query is doing the following: INSERT INTO summary_table SELECT t.a, t.b, SUM(t.c) AS c, COUNT(t.*) AS count, t.d, t.e, DATE_TRUNC('month', t.start) AS month, tt.type AS type, FALSE, tt.duration FROM detail_table_1 t, detail_table_2 tt WHERE t.trid=tt.id AND tt.type='a' AND DATE_PART('hour', t.start AT TIME ZONE 'Australia/Sydney' AT TIME ZONE 'America/New_York')>=23 OR DATE_PART('hour', t.start AT TIME ZONE 'Australia/Sydney' AT TIME ZONE 'America/New_York')<13 GROUP BY month, type, t.a, t.b, t.d, t.e, FALSE, tt.duration any tips?

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  • Managing Apache to Compensate for WebDAV's Security Masking

    - by Tohuw
    When a user creates a file via WebDAV, the default behavior is that the file is owned by the user and group running the Apache process, with a umask of 022. Unfortunately, this makes it impossible for unprivileged users to write to the files by other means without being a member of the group Apache runs under (which strikes me as a particularly bad idea). My current solution is to set umask 000 in Apache's envvars and remove all world permissions from the webdav parent directory for the user. So, if the WebDAV share is /home/foo/www, then /home/foo/www is owned by www-data:foo with permissions of 770. This keeps other unprivileged users out, more or less, but it's hokey at best and a security disaster awaiting at worst. From my research and poking around at mod_dav and Apache, I cannot find a reasonable solution short of a cron job flipping all the permissions back (I'd rather not have the load and increased complexity on the server). SuExec won't work, either, because WebDAV operations are not going to execute as a different user. Any thoughts on this? Thank you.

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  • Unable to authenticate to Windows Server 2003 for file browsing as non-administrator user.

    - by Fopedush
    I've got a windows server 2003 box containing a raid 5 array I use for mass storage. I want to set up a special non-administrator account that can be used to browse files over the network, with only read access. Ideally I'll map my network drive as this user to avoid accidentally hosing my data, and mount as an administrator user on occasions where I actually need write access. I've created a non-administrator user on the Windows Server box (called "ReadOnly)", and granted the user read permissions on the folders I need. However, when I try to browse to the files, and authenticate as this user, I'm told "Permission denied". If I throw the readOnly user into the administrators group, however, I can authenticate and browse just fine. I am, of course, only attempting to browse to folder for which I have given this user read permissions. Obviously my ReadOnly user is missing some privilege here, but I can't figure out what it is. I've been digging around in group policy editor all day to no avail. What am I missing? Fake Edit: I'm doing my browsing from a Windows 7 box, but I don't think that is relevant.

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  • S5000XVN Intel Motherboard - Only sees 12 out of 16GB of RAM

    - by Richie086
    So I have an older Intel S5000XVN motherboard, here are the specs CPU Arch : 2 CPU - 2 Cores - 2 Threads CPU PSN : Intel Xeon CPU 5160 @ 3.00GHz CPU EXT : MMX, SSE (1, 2, 3, 3S), EM64T, VT-x CPUID : 6.F.6 / Extended : 6.F CPU Cache : L1 : 2 x 32 / 2 x 32 KB - L2 : 4096 KB Core : Woodcrest (65 nm) / Stepping : B2 Freq : 2985.21 MHz (331.69 * 9) MB Brand : Intel MB Model : S5000XVN NB : Intel 5000X rev 31 SB : Intel 6321ESB rev 09 RAM : 16384 MB FB-DDR2 RAM Speed : 331.7 MHz (1:1) @ N/A Slot 1 : 2048MB (5300) Slot 1 Manufacturer : Kingston Slot 2 : 2048MB (5300) Slot 2 Manufacturer : Qimonda Slot 3 : 2048MB (5300) Slot 3 Manufacturer : Kingston Slot 4 : 2048MB (5300) Slot 4 Manufacturer : Qimonda Slot 5 : 2048MB (5300) Slot 5 Manufacturer : Kingston Slot 6 : 2048MB (5300) Slot 6 Manufacturer : Qimonda As you can clearly see, CPU-Z says I have 16GB of PC2-5300 RAM installed. For some reason in both BIOS and in Windows the maximum usable RAM is 12GB instead of 16GB. I have a dedicated video card connnected, so it can't be stealing RAM to use for the GPU (the S5000XVN does not have any onboard video). I am running Windows Server 2008 R2 x64 as the primary OS - so there should not be a memory limitation imposed on me from the OS. Has anyone experienced this before? Any ideas on how I can actually use all 16GB of RAM? I plan on using this machine to use for a Hyper-V server and have x2 Quad Core Xeon CPUs on the way as I write this post.

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  • PPTP server connection closes - Too much data?

    - by Sebastian Hoitz
    I set up a PPTP server for my company. However, every time I have another computer connected to this server (i.e. our backup server) and a lot of data gets transferred, the connection to this computer closes. In the syslog on the PPTP server I find this message: Apr 22 12:44:34 komola-chase pptpd[2581]: CTRL: Reaping child PPP[2583] Apr 22 12:44:34 komola-chase pppd[2583]: MPPE disabled Apr 22 12:44:34 komola-chase pppd[2583]: Connection terminated. Apr 22 12:44:34 komola-chase pppd[2583]: Exit. Apr 22 12:44:34 komola-chase pptpd[2581]: CTRL: Client 192.168.0.11 control connection finished Apr 22 12:55:11 komola-chase pptpd[2674]: GRE: xmit failed from decaps_hdlc: No buffer space available Apr 22 12:55:11 komola-chase pptpd[2674]: CTRL: PTY read or GRE write failed (pty,gre)=(6,7) Apr 22 12:55:11 komola-chase pppd[2675]: Modem hangup Apr 22 12:55:11 komola-chase pppd[2675]: Connect time 23.0 minutes. Hopefully you can help me as to what is wrong. As far as I can tell, there is no compression enabled on the PPTP server (npbsdcomp option). Thank you!

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  • Best option for storage clustering

    - by sam
    I'm working on an application that requires a large amount of storage space and I want to handle storage 'in-house' (Much cheaper than, say, S3) so we will have multiple servers (Initially 4) with large amounts of storage (6TB each). The storage will need to be very flexible and configurable, each piece of data should be replicated on at least 2 servers and must be easily readable/writable from ether an API of a UNIX device/file/folder like a normal drive, I don't mind which. We must also be able to easily offload content to our HTTP CDN (Edgecast), it doesn't need to have built in HTTP support but if it doesn't I'm going to have to write something to get the files onto HTTP so they can be pulled by the CDN. I've looked at a lot of solutions including Eucalyptus Walrus OpenStack Object Storage MogileFS and some others which I can't remember All the servers will be running RHEL 6, they have 4x1.5TB drives which will be RAID1'd into a single partition. All the servers have 1GB/s connections between them and 100MB/s connections to the internet with unlimited bandwidth. They have 2x2.66ghz processors. I understand there isn't a single, perfect answer but it would be nice to get some pointers.

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  • Apache2 - 500 internal server error

    - by Lucio Coire Galibone
    i'm running a VPS with Linux CentOs 6 with 4 GB of RAM, 10 GB of HD and 2 virtual CPU Intel(R) Xeon(R)CPU L5640 @ 2.27GHz. As my host says each virtual CPU must be at least 0.5 physical cpu. At certain times of the day, those with more traffic, trying accessing my php script i receive intermittently "500 internal server error". I activate logging to debug level from apache, and also the PHP logging with E_ALL, but I can't find reference to Error 500 in any logs(I checked the right logs!). I haven't got any .htaccess file in path script. The strange thing is that the error start at first php line in the script (the previous html displays correctly, but at the first php line the script send 500 error). The cpu load is always good (max 0.15 0.08 0.01) and RAM is close to 95% but it arrived to swap just 2 times in a month with 2-5 MB. Apache works with prefork with this values: <IfModule prefork.c> StartServers 8 MinSpareServers 5 MaxSpareServers 20 ServerLimit 280 MaxClients 280 MaxRequestsPerChild 4000 </IfModule> Everthing works correctly and I don't get any error in quiet times, but i start receive errors when traffic rises (6-9000 visits per hour). Can i solve the problem increasing resources? (i can upgrade RAM up to 16 GB). It can depend from reaching MaxClients (but apache must write it on log, right?)? If I upgrade RAM to 6 or 8 GB i have to calculate MaxClients value with this? MaxClients = Total RAM dedicated to the web server / Max child process size Max child process size is around 20M. How else can the problem be? Thanks in advance

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  • Changing order of Thunderbird email address autocomplete?

    - by Brooks Moses
    I recently did a system wipe and installed Thunderbird 3.0, and imported all of my email setup from a previous Thunderbird 2.0 installation. Almost everything is working fine, but I'm having a problem with the autocomplete in email addresses when writing messages. The relevant behavior is this: In the old 2.0 installation, the autocomplete appeared to know which email addresses I used most frequently, and so when I typed "m" in the address line, it would pick as the default selection the "m"-person who I frequently write email to. (It's possible this is an illusion and it simply picked people in the order I added them to my address book.) Thus, I have become used to typing "m"-"enter" in the address field, and getting this person. In the current 3.0 installation, however, the autocomplete order has changed. It's not the same as it was, and it's not alphabetical. The result is that I'm spending extra time looking at the email address bar, and more annoyingly, half the time the old muscle-memory kicks in and I find myself with an email that's addressed to a couple of customers rather than to my boss and coworker. Thus, two questions: How does Thunderbird determine this autocomplete order, among a set of addresses all of which are in the same address book? How can I change this ordering to be what I want? (I have tried Google-searching, and found a number of incomplete answers, nearly all of which were for version 1.0 or thereabouts, and reference settings dialog boxes that no longer exist.)

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  • NetBackup prefers "Scratch" tapes over dedicated tapes

    - by wfaulk
    I have a NetBackup 6.0MP7 installation running on Windows Server 2003. It functions as the only Master Server and Media Server. I swap a full set of tapes in and out every week, but leave a set of tapes with their Volume Pool set to "Scratch" in all the time. The weekly tape sets then get rotated back in after a period of time. Largely, this works fine. I seldom actually need the scratch tapes, but every once in a while, a backup will run over what I have dedicated to the task. However, one week's set of tapes consistently gets declined in favor of the scratch pool. The backup policies are the same for every week, they all have "Policy Volume Pool" set to "NetBackup", and all of the tapes for every week (beside the scratch tapes) have had their pools assigned as "NetBackup", definitely including the week that always gets ignored. That said, it doesn't ignore all of the NetBackup pool tapes for that week. It does usually write to two or three of them, but it writes to like 20 of the scratch tapes. (I haven't thought to look to see if it's always the same two or three tapes.) And this problem never seems to occur for any other week. It doesn't load the tapes and then reject them; it never seems to try to use them at all. They are not flagged as frozen. They are all active and unassigned when I swap them in. The tapes are in a Quantum PX510 tape library. The NetBackup server is attached to the library/robot via fibrechannel going through an HP-branded Brocade switch. I'm not an expert on NetBackup at all. I don't really even know where to look. Any advice on logs to look at or logging to enable or really anything at all would be appreciated. I'll keep an eye on the question and update it if anyone needs any more info to help.

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  • attach / detach mssql 2008 sql server manager [SOLVED]

    - by Tillebeck
    An external consult wrote a guide on how to copy a database. Step two was detach the database using Sql Server Manager. After the detach the database was not visible in the SQL Server Manager... Not much to do but write a mail to the service provider asking to have the database attached again. The service porviders answer: Not posisble to attach again since the SQL Server security has been violated". Rolling back to last backup is not the option I want to use. Can any one give feedback if this seems logic and reasonable to assume that a detached database in a SQL Server 2008 accessed through SQL Server Manager cannot be reattached. It was done by rightclicking the database and choosing detach. -- update -- Based on the comments below I update the question with the server setup. There are two dedicated servers: srv1: Web server with remote desktop and an Sql Server Manager srv2: Sql server that can be accessed through the Sql Server Manager on the web server -- update2 -- After a restart of the server the DBA could suddenly do the attachment of the database. And I guess that after the restart it was a simple task. So all of your answer were rigth! It seems that I can only mark one as a correct answer so I marked the first answer correct. But all are correct answer. Thanks a lot. Without posting the link to this thread then we might had so suffer while watching our database beeing restored by a backup :-) Thanks a lot. BR. Anders

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  • MySQL -- enable connection to remote server via local /tmp/mysql.sock

    - by Kevin
    Hey all, I run a shared hosting provider and we're looking to move to a High Availability (replicated across multiple datacenters) setup for our hosting. We have created a replicated MySQL setup with failover that works wonderfully, and we'd like to move all of our clients' databases to it. The only trouble is that we have many many customers, all of whom have configured their Wordpress, Drupal, etc. installations to connect to MySQL via a local socket, not to the address of the remove server. I would hate to have to go through manually and change the connection statement in all of our clients' sites. What I'd ideally love to see is a program that listens on /tmp/mysql.sock and forwards connections there to the remote server I specify. I've seen SQL Relay, but it seems to require that I hardcode all of the database names and usernames and passwords into its configuration file. This is not going to work for me because our users add new databases dynamically all of the time, and I'd rather not have to write code to updated SQLRelay's config file every time. Does anyone have an idea on how to do this? Alternatively, I'd accept idea on how to handle this at the PHP level. (i.e. redirect any attempted calls to mysql_connect() to use that hostname rather than localhost) Thanks, Kevin

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  • DHCP Server on local machine

    - by EralpB
    Hello I am trying to setup a dhcp3-server on Ubuntu. But my question is more generic, if dhcp server is in a blockbox and all clients are connected to it I think I get what is going on but when dhcp server is installed on one of the "clients" that confuses me. When I send a dhcp packet from that client to the dhcp server, will my ethernet card read and write at the same time? Or will it handle it internally without writing any data to ethernet cable. It's the first time I am encountering these network things so I am a little bit confused. Also I wonder If I am in a big network with lan IP let's say 192.168.0.100 and I install a dhcp server to my computer, can any other computers accidentally get IP from my dhcp server? Every computer has one ethernet card (if that matters?). And every computer is connected to one router. I guess the answer is no because the broadcast message won't reach to my computer since when router receives a dhcp search packet it will answer and it won't let other computers know about it because they don't need to. And without router sending that packet one by one, it cannot travel further. I'd be glad if someone enlightens me. Thank you very much.

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