Search Results

Search found 5693 results on 228 pages for 'ago'.

Page 164/228 | < Previous Page | 160 161 162 163 164 165 166 167 168 169 170 171  | Next Page >

• Cannot load from raid with grub

  - by Andrew Answer

  I have a RAID1 array on my Ubuntu 12.04 LTS and my /sda HDD has been replaced several days ago. I use this commands to replace: # go to superuser sudo bash # see RAID state mdadm -Q -D /dev/md0 # State should be "clean, degraded" # remove broken disk from RAID mdadm /dev/md0 --fail /dev/sda1 mdadm /dev/md0 --remove /dev/sda1 # see partitions fdisk -l # shutdown computer shutdown now # physically replace old disk by new # start system again # see partitions fdisk -l # copy partitions from sdb to sda sfdisk -d /dev/sdb | sfdisk /dev/sda # recreate id for sda sfdisk --change-id /dev/sda 1 fd # add sda1 to RAID mdadm /dev/md0 --add /dev/sda1 # see RAID state mdadm -Q -D /dev/md0 # State should be "clean, degraded, recovering" # to see status you can use cat /proc/mdstat After bebuilding completion "fdisk -l" says what I have not valid partition table /dev/md0. So 1) "update-grub" find only /sda and /sdb Linux, not /md0 2) "dpkg-reconfigure grub-pc" says "GRUB failed to install the following devices /dev/md0" I cannot load my system except from /sdb1 and /sda1, but in DEGRADED mode... This is my partial fdisk -l output: Disk /dev/sdb: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000667ca Device Boot Start End Blocks Id System /dev/sdb1 * 63 940910984 470455461 fd Linux raid autodetect /dev/sdb2 940910985 976768064 17928540 5 Extended /dev/sdb5 940911048 976768064 17928508+ 82 Linux swap / Solaris Disk /dev/md0: 481.7 GB, 481746288640 bytes 2 heads, 4 sectors/track, 117613840 cylinders, total 940910720 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/md0 doesn't contain a valid partition table Anybody can resolve this issue? I have big headache with this.

  Read the article

• Ubuntu: Tar doesn't work correctly

  - by Phuong Nguyen

  It looks like tar is having some problems. I installed Ubuntu 10.04 alpha a few of weeks ago. After that, this alpha version is so terrible that I must switched back to 9.10. So, I backed up all of my profiles data (/home/my_user_name) to my_user_name.tar.gz Here what I did: (in U10.04) Open Nautilus and goto /home/my_user_name Press Ctrl+H to view all hidden files. Press Ctrl+A to select all files Right click and choose [Compress...] Now, when I have set up Ubuntu 9.10 again, I extract the tar using Extract Here command from Nautilus. Funny things happened: Instead of extracting to current folder, the archive manager create a folder named my_user_name and put the extracted content into it. All of the files that I placed directly under /home/my_user_name doesn't get extracted All of the directories that started with . (dot) is not extracted. I wonder if there is any incompatibility between tar in U10.04alpha and U9.10 that cause the problem? Now every of my email, basket data is long gone. I'm freaking right now. Is there anything I can do to get the tar return back my data?

  Read the article

• No apparent reason for high load average

  - by Oz.

  We have several web servers running on Amazon (ec2) c1.xlarge, over Amazon AMI. The servers are duplicates of each other, running the exact same hardware and software. Each server spec is: 7 GB of memory 20 EC2 Compute Units (8 virtual cores with 2.5 EC2 Compute Units each) 1690 GB of instance storage 64-bit platform I/O Performance: High API name: c1.xlarge A couple of weeks ago we have run a yum upgrade on one of the servers. Starting on this upgrade the upgraded server started showing a high load average. Needless to say, we did not update the other servers and we can not do so until we understand the reason for this behavior. The strange thing is that when we compare the servers using top or iostat, we can not find the reason for the high load. Note that we have moved traffic from the "problematic" server to the others, which have made the "problematic" server less crowded in terms of requests, and still his load is higher. Do you have any idea what could it be, or where else can we check? Many thanks for the help! Oz. # # proper server # w command # 00:42:26 up 2 days, 19:54, 2 users, load average: 0.41, 0.48, 0.49 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT pts/1 82.80.137.29 00:28 14:05 0.01s 0.01s -bash pts/2 82.80.137.29 00:38 0.00s 0.02s 0.00s w # # proper server # iostat command # Linux 3.2.12-3.2.4.amzn1.x86_64 _x86_64_ (8 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 9.03 0.02 4.26 0.17 0.13 86.39 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn xvdap1 1.63 1.50 55.00 367236 13444008 xvdfp1 4.41 45.93 70.48 11227226 17228552 xvdfp2 2.61 2.01 59.81 491890 14620104 xvdfp3 8.16 14.47 94.23 3536522 23034376 xvdfp4 0.98 0.79 45.86 192818 11209784 # # problematic server # w command # 00:43:26 up 2 days, 21:52, 2 users, load average: 1.35, 1.10, 1.17 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT pts/0 82.80.137.29 00:28 15:04 0.02s 0.02s -bash pts/1 82.80.137.29 00:38 0.00s 0.05s 0.00s w # # problematic server # iostat command # Linux 3.2.20-1.29.6.amzn1.x86_64 _x86_64_ (8 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 7.97 0.04 3.43 0.19 0.07 88.30 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn xvdap1 2.10 1.49 76.54 374660 19253592 xvdfp1 5.64 40.98 85.92 10308946 21612112 xvdfp2 3.97 4.32 93.18 1087090 23439488 xvdfp3 10.87 30.30 115.14 7622474 28961720 xvdfp4 1.12 0.28 65.54 71034 16487112

  Read the article

• Turn off monitor (energy saving) while in text console mode (in Linux)

  - by Denilson Sá

  How to configure Linux text console to automatically turn of the monitor after some time? And by "text console" I mean that thing that you get on ctrl+alt+F[1-6], which is what you get whenever X11 is not running. And, no, I'm not using any framebuffer console (it's a plain, good and old 80x25 text-mode). Many years ago, I was using Slackware Linux, and it used to boot up in text-mode. Then you would manually run startx after the login. Anyway, the main login "screen" was the plain text-mode console, and I remember that the monitor used to turn off (energy saving mode, indicated by a blinking LED) after some time. Now I'm using Gentoo, and I have a similar setup. The machine boots up in text-mode, and only rarely I need to run startx. I say this because this is mostly my personal Linux server, and there is no need to keep X11 running all the time. (which means: I don't want to use GDM/KDM or any other graphical login screen) But now, in this Gentoo text-mode console, the screen goes black after a while, but the monitor does not enter any energy-saving mode (the LED is always lit). Yes, I've waited long enough to verify this. Thus, my question is: how can I configure my current system to behave like the old one? In other words, how to make the text console trigger energy-saving mode of the monitor? (maybe I should (cross-)post this question to http://unix.stackexchange.com/ )

  Read the article

• Diagnosing a BSOD involving USB

  - by David Ebbo

  [Running Win7 Ultimate 64 bit] My new HP Pavilion Elite HPE-450t has been plagued by BSDO crashes since I got it about 5 weeks ago. The crashes are somewhat rare, sometimes not occurring for 3 or 4 days. I have spent a lot of time trying to isolate the device that could be at fault, but I have seen crashes with only the keyboard and mouse plugged in (as USB devices), and I tried two sets of keyboard/mouse, so I'm running out of ideas. :( The WhoCrashed tool gave this info about my latest BSOD: crash dump file: C:\Windows\Minidump\121310-11887-01.dmp This was probably caused by the following module: usbport.sys (USBPORT+0x2DE4E) Bugcheck code: 0xFE (0x5, 0xFFFFFA8008F571A0, 0x80863B34, 0xFFFFFA80092F2510) Error: BUGCODE_USB_DRIVER file path: C:\Windows\system32\drivers\usbport.sys product: Microsoft® Windows® Operating System company: Microsoft Corporation description: USB 1.1 & 2.0 Port Driver Bug check description: This indicates that an error has occurred in a Universal Serial Bus (USB) driver. The crash took place in a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system which cannot be identified at this time. I looked at http://msdn.microsoft.com/en-us/library/ff560407(VS.85).aspx, and for Parameter1 = 0x5, it says "A hardware failure has occurred due to a bad physical address found in a hardware data structure. This is not due to a driver bug". Should I conclude that it's a hardware issue in the machine itself, rather than a bad USB driver or USB device? Here is the MiniDump, in case someone can get more info out of it: http://ewt52q.blu.livefilestore.com/y1peS4Ce8nSK1SXghzMDoxDWXlaEu-EKCJsv25y8y5DXXIUzZ9U0_tYgFJXd939fykwa0zRmx98IW0PYG18GioqKAuARYjtspSA/121310-11887-01.dmp?download&psid=2

  Read the article

• pxe boot dos 7.x / 8.x on modern mainboard without floppy controller

  - by GitaarLAB

  How to pxe boot MS DOS 7.x / 8.x on a modern pc (mainboard without floppy controller) without using an external usb floppy drive? MS DOS 6.22 and earlier or other flavors pxe boot just fine on floppy-less hardware. But DOS 7.x and 8.x renders an error on boot: "Type the name of the Command Interpreter (e.g., C:\WINDOWS\COMMAND.COM) I read somewhere during research this was a rather unknown error, that started to become more common due to the advent of floppy-controller-less hardware. On some hardware (bios dependent) one could plug a usb-floppy-drive in the computer before booting (but that MIGHT also require it to be a "golden floppy drive" (as they where called back then). From a russian site (I read about a year ago and cannot find the hyperlink) MS-Dos versions 6.22 did some-kind of floppy-drive reset during initialization and since it couldn't connect to the floppy-host thus the error. How can I resolve this (without a physical external usb floppy)? Might there be some kind of virtual floppy-driver that could resolve this (for example to be loaded before the dos image loads)? Or could someone point me into the right direction (maybe even a hex-address and some further explanation or something)? I'm using syslinux by the way.

  Read the article

• Diagnosing Microsoft SQL Server error 9001: The log for the database is not available.

  - by Scott Mitchell

  Over the weekend a website I run stopped functioning, recording the following error in the Event Viewer each time a request is made to the website: Event ID: 9001 The log for database 'database name' is not available. Check the event log for related error messages. Resolve any errors and restart the database. The website is hosted on a dedicated server, so I am able to RDP into the server and poke around. The LDF file for the database exists in the C:\Program Files\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\DATA folder, but attempting to do any work with the database from Management Studio results in a dialog box reporting the same error - 9001: The log for database is not available... This is the first time I've received this error, and I've been hosting this site (and others) on this dedicated web server for over two years now. It is my understanding that this error indicates a corrupt log file. I was able to get the website back online by Detaching the database and then restoring a backup from a couple days ago, but my concern is that this error is indicative of a more sinister problem, namely a hard drive failure. I emailed support at the web hosting company and this was their reply: There doesn't appear to be any other indications of the cause in the Event Log, so it's possible that the log was corrupted. Currently the memory's resources is at 87%, which also may have an impact but is unlikely. Can the log just "become corrupted?" My question: What are the next steps I should take to diagnose this problem? How can I determine if this is, indeed, a hardware problem? And if it is, are there any options beyond replacing the disk? Thanks

  Read the article

• MySQL Master - Master Broken

  - by Recc

  I've Inherited a Mysql master master system, I've noticed the second master (lets call it slave from now on as it's running on a 'slave' machine) stopped getting its db's updated. I saw that Master: Slave_IO_Running: Yes Slave_SQL_Running: Yes Slave: (with an error I truncated) Slave_IO_Running: Yes Slave_SQL_Running: No Last_Errno: 1062 Last_Error: Error 'Duplicate entry '3' for key 'PRIMARY'' on [...] I don't know what caused it to process considering we cant get duplicate there. What's important is to resume normal operations; Right now I've stop slave; on the Master and stop slave; on the Slave because I saw that if I change records on the Slave the changes Do Get Propagated to Master which is in active use. How do I: Force sync EVERYTHING from master to slave without affecting data on master? Then hopefully have slave pickup replication as usual? UPDATE OK I Tried deleting all tables on slave then it complained in that error section that the 'table' doesnt exist. So i made a no data dump of Master, and made sure I have only empty tables in Secondary (slave). I start slave; on slave BUT now it's complaining about bloody alter table statements for instance: Last_Errno: 1060 Last_Error: Error 'Duplicate column name [...] Query: 'ALTER TABLE [...] How to skip the fracking alter statements I just want to replicate the bloody data and be done with it, my tables have the lates changes already FFS and now its complaining about changes made after the replication seized weeks ago How do I reset the log or something? OUTSTANDING Why would this start happening? The "Secondary" is propagating to "Primary". "Primary" is not propagating to "Secondary". But any fixes I tried to do left it in the same state Yes-Yes Yes-No with same Last_Error. I think around that time the server was taken off the network, could that confuse MySQL in some way?

  Read the article

• Hard drive spark, can it be recovered?

  - by user163558

  Alright, so I was going to install Source Film Maker but I didn't have any space, so I decided to connect an HDD via an USB converter(image below). I shut down the machine, turned the PSU off, and connected via a Molex connector & the USB converter. I turned back on the PSU, no sparks or anything, everything normal, but when I turned on the machine, I heard some sizzing(lol?) and sparks flying and a little flame, but the PC was running fine. I pressed the power button instead pulling out the plug (I panicked) so it continued to short circuit for about 10 seconds. There's a very little part on the HDD that become ash, it's near the Molex connector and the circuit is a little black as well. I'm afraid that I will damage the HDD more so I didn't hook up the HDD after all. Do you think it's the PSU(came default with Cooler Master Elite 430, 500W) or it's the HDD(Samsung SP1203N)? P.S: I've attached the HDD same way before(like 3 months ago), and it worked. HDD burn: USB connector: Sorry for the bad image quality, taken with my phone.

  Read the article

• Nginx + PHP-FPM Timeouts, almost zero load consumption?

  - by javipas

  I've got a server running on a Linode with Ubuntu 10.04 LTS, Nginx 0.7.65, MySQL 5.1.41 and PHP 5.3.2 with PHP-FPM. There is a WordPress blog on it, updated to WordPress 3.2.1 recently. I have made no changes to the server (except updating WordPress) and while it was running fine, a couple of days ago I started having downtimes. I tried to solve the problem, and checking the error_log I saw many timeouts and messages that seemed to be related to timeouts. The server is currently logging this kind of errors: 2011/07/14 10:37:35 [warn] 2539#0: *104 an upstream response is buffered to a temporary file /var/lib/nginx/fastcgi/2/00/0000000002 while reading upstream, client: 217.12.16.51, server: www.mydomain.com, request: "GET /page/2/ HTTP/1.0", upstream: "fastcgi://127.0.0.1:9000", host: "www.mydomain.com", referrer: "http://www.mydomain.com/" 2011/07/14 10:40:24 [error] 2539#0: *231 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 46.24.245.181, server: www.mydomain.com, request: "GET / HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "www.mydomain.com", referrer: "http://www.google.es/search?sourceid=chrome&ie=UTF-8&q=mydomain" and even saw this previous serverfault discussion with a possible solution: to edit /etc/php/etc/php-fpm.conf and change request_terminate_timeout=30s instead of ;request_terminate_timeout= 0 The server worked for some hours, and then broke again. I edited the file again to leave it as it was, and restarted again php-fpm (service php-fpm restart) but no luck: the server worked for a few minutes and back to the problem over and over. The strange thing is, although the services are running, htop shows there is no CPU load (see image) and I really don't know how to solve the problem. The config files are on pastebin The php-fpm.conf file is here The /etc/nginx/nginx.conf is here The /etc/nginx/sites-available/www.mydomain.com is here Please help :(

  Read the article

• Corrupt install of Ruby?

  - by wilhelmtell

  I'm having issues requiring 'digest/sha1'. ~$ ./configure --prefix=$HOME/usr --program-suffix=19 --enable-shared ~$ make ~$ make install ~$ irb19 irb(main):001:0> require 'digest/sha1' LoadError: dlopen(/Users/matan/usr/lib/ruby19/1.9.1/i386-darwin9.8.0/digest/sha1.bundle, 9): Symbol not found: _rb_Digest_SHA1_Finish Referenced from: /Users/matan/usr/lib/ruby19/1.9.1/i386-darwin9.8.0/digest/sha1.bundle Expected in: flat namespace - /Users/matan/usr/lib/ruby19/1.9.1/i386-darwin9.8.0/digest/sha1.bundle from (irb):1:in `require' from (irb):1 from /Users/matan/usr/bin/irb19:12:in `<main>' irb(main):002:0> I know some standard modules require fine, while others don't. If i'd say require 'digest' then that works fine. Just a couple of days ago I uninstalled Ruby and re-installed it. When I first installed Ruby I installed it in a similar manner, from source prefixed at my local $HOME/usr directory. I tried removing each and every file make install installs, then re-installing, but that didn't help. Do you have an idea what the issue is and how to resolve it?

  Read the article

• Possible DNS Injection and/or SSL hijack?

  - by Anthony

  So if I go to my site without indicating the protocol, I'm taken to: http://example.org/test.php But if I go directly to: https://example.org/test.php I get a 404 back. If I go to just: https://example.org I get a totally different site (a page about martial arts). I went to the site via https not very long ago (maybe a week?) and it was fine. This is a shared server, as I understand it, and I do not have shell access, so I'm limited to the site's CPanel to do any further investigations. But when I go to: example.org:2083 I'm taken to https://example.org:2083, which, if someone has taken over the SSL port, could mean they have taken over the 2083 part as well (at least in my paranoid mind). I'm made more nervous by the fact that the cpanel login page at the above address looks very new (better, really) compared to the last time I went to it over the weekend. It's possible that wires got crossed somewhere after a system update, but I don't want to put in my name username and password in case it's a phishing attempt. Is there any way to know for sure without shell access to know for sure if someone has taken over? If I look up the IP address for the host name, the IP address matches what I have on a phpinfo page I can get to over http. If I go to the IP address directly on port 2083, I get the same login mentioned above (new and and suspiciously nice). But the SSL cert shows as good when I go this route. So if that's the case (I know the IP is right, the cert checks out, and there isn't any DNS involved), is that enough to feel safe at that point of entry? Finally, if I can safely log in via the IP, does anyone have any advice on where to check first on CPanel for why the SSL port is forwarding to a site on karate? Thanks.

  Read the article

• Tracking down source of duplicate email messages in Outlook / Exchange environment

  - by Ken Pespisa

  I have a few users, who are also Blackberry users, that occasionally have duplicate emails generated from their "mailbox". I put mailbox in quotes because I'm not exactly sure where the duplicates are created. One of these users is in non-cached mode, and the other is in cached mode, and both experience the problem. In fact, the non-cached mode user was originally experiencing the problem while in cached mode, and I made the switch a few weeks ago to attempt to solve the problem. Today I discovered the issue still exists. I'm not sure if the fact that they are blackberry users could be causing the problem at all. I don't see how, but felt I should mention it anyway. Does anyone have ideas on how I might begin to troubleshoot this? I can see in the non-cached user's mailbox "Sent Items" that the message was sent only once. I confirmed the message does not state that there was a conflict and in fact that makes sense because they are in non-cached mode. On the server, we have a mail journaling feature turned on for our third-party mail archiving system, and I can see that that system sees two sent messages. And likewise, the recipient does in fact have two messages in their inbox with consecutive message IDs ([email protected]) and ([email protected]). It would seem to me that the duplicates are generated on the client, but is there a way to tell for sure?

  Read the article

• can't load IA 32-bit .dll on a AMD 64 bit platform

  - by user101425

  I have a Windows 2003 64 bit terminal server which we run a Java application from. The application has always worked up until 2 days ago. No new updates have been installed to the server in that time frame. I have tried re-installing java 64 bit but still have the following error. Unexpected exception: java.lang.reflect.InvocationTargetException java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.sun.javaws.Launcher.executeApplication(Unknown Source) at com.sun.javaws.Launcher.executeMainClass(Unknown Source) at com.sun.javaws.Launcher.doLaunchApp(Unknown Source) at com.sun.javaws.Launcher.run(Unknown Source) at java.lang.Thread.run(Unknown Source) **Caused by: java.lang.UnsatisfiedLinkError: C:\Documents and Settings\administrator\Application Data\Sun\Java\Deployment\cache\6.0\19\625835d3-5826d302-n\swt-win32-3116.dll: Can't load IA 32-bit .dll on a AMD 64-bit platform** at java.lang.ClassLoader$NativeLibrary.load(Native Method) at java.lang.ClassLoader.loadLibrary0(Unknown Source) at java.lang.ClassLoader.loadLibrary(Unknown Source) at java.lang.Runtime.loadLibrary0(Unknown Source) at java.lang.System.loadLibrary(Unknown Source) at org.eclipse.swt.internal.Library.loadLibrary(Library.java:100) at org.eclipse.swt.internal.win32.OS.<clinit>(OS.java:18) at org.eclipse.swt.graphics.Device.init(Device.java:563) at org.eclipse.swt.widgets.Display.init(Display.java:1784) at org.eclipse.swt.graphics.Device.<init>(Device.java:99) at org.eclipse.swt.widgets.Display.<init>(Display.java:363) at org.eclipse.swt.widgets.Display.<init>(Display.java:359) at com.ko.StartKO.main(StartKO.java:57) ... 9 more

  Read the article

• prevalent, recurring hardrive failure intel macbook from 2006/2007

  - by SimonSalman

  Hi, Long story: My MacBook's hard drive failed one year ago, just a month after its warranty ended or: a year and a month after I bought it. After about ten phone calls to Apple's service, they agreed to extend the warranty for another year, so that I got it replaced free of charge. In the mean time, I got to know that many MacBook users that experience/report hard drive failures. Every reported crash was preceded by a slowdown of system performance, an increased occurrence of the spinning beach ball wait courser, and frequent crashes of applications that used to run very robust until then. It happened (as far as I know) with MacBooks from 2006/2007. All these MacBooks additionally suffer from a recurring wearing down of their "top case". Many heavy users had to replace their HDDs three time since 2006/2007 resulting in an head crash, making it impossible to recover data (diagnosis of recovery specialists) in most but not all cases HDD was Seagate (doesn't necessarily have to be the cause, if majority of the MacBook charge contained Seagate drives) And right now (one year after my first disk crash), these symptoms are cumulating on my system, again ... Short version: prevalent hard drive failure on MacBook charge from 2006/2007 (i.e. 2.16 GHz Intel Core 2 Due) I am looking for any (preferable open source) tool for checking the hard drive condition, especially to detect the known "MacBook problem". So, that I can replace the disk on time. If any Mac user found a solution to prevent the repeated failure of heir hard drive, I would be very glad to get to known it. I really enjoy my old MacBook, but I hate to get interrupted every year by an HDD crash. BTW, the issue is already in discussion for a long time, but there seems to be no solution, so far. Thanks, Simon

  Read the article

• Which is more secure: Tomcat standalone or Tomcat behind Apache?

  - by NoozNooz42

  This question is not about performance, nor about load-balancing, etc. Which would be more secure: running Tomcat in standalone mode or running Tomcat behind apache? The thing is, Tomcat is written in Java and hence it is pretty much immune to buffer overrun/overflow (unless a buffer overrun in a C-written lib used by Tomcat can be triggered, but they're rare [the last I remember was in zlib, many many moons ago] and one heck of a hack to actually exploit), which gets rid of a lot of potential exploits. This page: http://wiki.apache.org/tomcat/FAQ/Security has this to say: There have been no public cases of damage done to a company, organization, or individual due to a Tomcat security issue... there have been only theoretical vulnerabilities found. All of those were addressed even though there were no documented cases of actual exploitation of these vulnerabilities. This, combined with the fact that buffer overrun/overflow are pretty much non-existent in Java, makes me believe that Tomcat in standalone mode is pretty secure. In addition to that, I can install both Java and Tomcat on Linux without needing to be root. The only moment I need to be root is to set up a transparent port 8080 to port 80 forwarding (and 8443 to 443). Two iptables line as root, that's all root is needed for. (I don't know for Apache). Apache is much more used than Tomcat and definitely does not have a security track record as good as Tomcat. What would make Tomcat + Apache more secure? What would make Tomcat + Apache less secure? In short: which is more secure, Tomcat standalone or Tomcat with Apache? (remembering that performance aren't an issue here)

  Read the article

• How to replace the domain name in a Wordpress database?

  - by Cristian

  I have a Wordpress database which was installed in a development environment... thus, all references to the site itself have a fixed IP address (say 192.168.16.2). Now, I have to migrate that database to a new Wordpress installation on a hosting. The problem is that the SQL dump contains a lot of references to the IP address, and I have to replace it with: my_domain.com. I could use sed or some other command to change the that from the command line, the problem is that there are a lot of configuration data which uses JSON. So what? Well, as you know, JSON arrays uses things like: s:4: to know how many chars an element has, and thus, if I just replace the IP with the domain name, the configuration files will get corrupted. I used an app for Windows some years ago that allows to change values in a database and takes care of the JSON arrays. Unfortunately, I forgot the name of the app... so the question is: do you know any app that allows me to do what I want?

  Read the article

• USB Device Not Recognized

  - by Franky Chanyau

  Ok this one gets a little bit complicated but bare with me :D A client brought her computer in to be fixed about a week ago, she says she tried charging a new phone she bought from china and immediately after her usb keyboard and mouse stopped working (typical). I had a quick look at it but because I did not have time, I did a simple system restore and it seemed as if the issue was fixed. I promptly sent it back to her but a few days back she called saying that the issue has returned. Turns out the computer was riddled with some virus that also corrupted her XP install so I had to format the whole thing(yes I tried repairing). I hoped that the format would fix the keyboard and mouse issue but the whole thing has escalated and the computer will throw the "USB Device not recognized" error when I plug anything into the many usb ports it has. I have installed all the drivers (including the chip set drivers) for the pc and even tried the unplugging from the power for a while trick, still no luck. I am sure it is not a hardware issue, but may be wrong. This is way over my head. Can anyone help? Computer: HP Compaq DC7100, Intel Pentium 4, 512mb RAM OS: Windows XP Professional SP2

  Read the article

• Cannot establish XMPP server-to-server connection with gmail

  - by v_2e

  My jabber-server fails to connect to gmail.com giving the error: outgoing s2s stream myserver.com.ua-bot.talk.google.com closed: undefined-condition (myserver.com.ua is a Google Apps Domain with Talk service enabled.) I am using the Prosody XMPP server. It works just fine with other jabber-servers I tested so far (e.g. jabber.ru). However, when some of my clients tries to add a gmail contact to his contact-list, the subscription request lasts forever, and the Prosody gives the following sequence of messages in its log: Oct 21 22:57:16 s2sout95897f8 info Beginning new connection attempt to gmail.com ([173.194.70.125]:5269) Oct 21 22:57:16 s2sout95897f8 info sent dialback key on outgoing s2s stream Oct 21 22:57:16 s2sout95897f8 info Session closed by remote with error: undefined-condition (myserver.com.ua is a Google Apps Domain with Talk service enabled.) Oct 21 22:57:16 s2sout95897f8 info outgoing s2s stream myserver.com.ua->gmail.com closed: undefined-condition (myserver.com.ua is a Google Apps Domain with Talk service enabled.) Oct 21 22:57:16 s2sout95897f8 info sending error replies for 2 queued stanzas because of failed outgoing connection to gmail.com Here for the domain name of my server I use myserver.com.ua I found a similar problem described in this thread, but there is no detailed description of the solution there. As for the Google services, I did have a google account where I added the domain name under question to the Webmasters tools page. However, I deleted my account long ago, so now it is unclear, how any of the Google services can relate to my domain name. So my question is: What is the real cause of this problem (my jabber-server configuration or imaginary Google account or something else) and how can I make my Prosody server connect to gmail.com jabber service?

  Read the article

• Why does this loopback device creation malfunction?

  - by user50118

  The stackoverflow people thought this was more appropriate here, I put it there as it is part of a program but I can see their POV, so here it is: At the bottom of the code you can see it failing. In fact, I'll put it here at the start too because it is the problem I need to solve: [350591.924819] EXT4-fs (loop0): bad geometry: block count 9750806 exceeds size of device (9750168 blocks) I don't understand why the device is supposedly too small. I made this partition two days ago with normal fdisk, it was created and formatted with ext4 supplying no options other than the partition (/dev/sdb2) to format. The only explaination I can think of is that ext4 has the size of the partition wrong somehow but that seems very unlikely. What is wrong with my math? The offset is correct, you can see that with the file command, and the size should be correct too because End - Start comes to the same number of sectors minus 1, just like it should (A disk starting on sector 1 and ending on sector 2 would be 2 - 1 = 1 and have two sectors). # sfdisk -luS /dev/sdb Disk /dev/sdb: 9729 cylinders, 255 heads, 63 sectors/track Units = sectors of 512 bytes, counting from 0 Device Boot Start End #sectors Id System /dev/sdb2 78295040 156296384 78001345 83 Linux # losetup -r -f --show -o $((78295040 * 512)) --sizelimit $((78001345 * 512)) /dev/sdb /dev/loop0 # file -s /dev/loop0 /dev/loop0: Linux rev 1.0 ext4 filesystem data (needs journal recovery) (extents) (large files) (huge files) # mount -o ro -t ext4 /dev/loop0 /mnt mount: wrong fs type, bad option, bad superblock on /dev/loop0, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so # dmesg | tail -n 1 [350591.924819] EXT4-fs (loop0): bad geometry: block count 9750806 exceeds size of device (9750168 blocks)

  Read the article

• Pros and Cons of a proxy/gateway server

  - by Curtis

  I'm working with a web app that uses two machines, a BSD server and a Windows 2000 server. When someone goes to our website, they are connected to the BSD server which, using Apache's proxy module, relays the requests & responses between them and the web server on the Windows server. The idea (designed and deployed about 9 years ago) was that it was more secure to have the BSD server as what outside people connected to than the Windows server running the web app. The BSD server is a bare bones install with all unnecessary services & applications removed. These servers are about to be replaced and the big question is, is a cut-down, barebones server necessary for security in this setup. From my research online I don’t see anyone else running a setup like this (I don't see anyone questioning it at least.) If they have a server between the user and the web app server(s), it is caching, compressing, and/or load balancing. Is there anything I’m overlooking by letting people connect directly from the internet ** to a Windows 2008 R2 server that’s running the web application? ** there’s a good hardware firewall between the internet with only minimal ports open Thank you.

  Read the article

• Using Toshiba 22EL833 as PC display with GTX8800

  - by Oleg V. Volkov

  I had another Toshiba TV - 19SL738 - connected to this same PC and video card (GTX 8800) through DVI<-HDMI (DVI on PC side, HDMI on TV) before, that was working perfectly at it's native resolution 1360x768. Some time ago I had to change to 22EL833 and immediately faced problem with Windows 7 control panel and NVIDIA control panel both reporting native resolution for new TV as 1080i, 1920x1280, despite TV documentation saying that it have same 1360x768 as previous one. Practical tests confirmed that true native resolution is indeed 1360x768, because plugging in through DVI<-VGA and setting custom resolution through NVIDIA panel shown clear colors and crisp image, while setting anything different with either DVI<-VGA or DVI<-HDMI produced horribly distorted or squished images, with almost unreadable slim lines (as in letters, for example). Now, my problem is that there's no drivers for this TV and I'm unable to get good image while connecting it through DVI<-HDMI directly. The best I've achieved is editing EDID/driver manually, to persuade system that native resolution should be 1360x768, and while image became mostly clear, colors turned to some strange washed out effect, with pools of pure yellow, cyan and magenta there and there filling place of other colors. Gradients also became noticeably stripped as well. Somehow it looks like dithering gone bad and makes me suspect that image is still down/upscaled several times internally somewhere along the line. How can I connect this TV to DVI output of my video card to get best possible clear image, correct colors and correct native resolution?

  Read the article

• What is the best way to recover from a mysql replication fail?

  - by Itai Ganot

  Today, the replication between our master mysql db server and the two replication servers dropped. I have a procedure here which was written a long time ago and i'm not sure it's the fastest method to recover for this issue. I'd like to share with you the procedure and I'd appreciate if you could give your thoughts about it and maybe even tell me how it can be done quicker. At the master: RESET MASTER; FLUSH TABLES WITH READ LOCK; SHOW MASTER STATUS; And copy the values of the result of the last command somewhere. Wihtout closing the connection to the client (because it would release the read lock) issue the command to get a dump of the master: mysqldump mysq Now you can release the lock, even if the dump hasn't end. To do it perform the following command in the mysql client: UNLOCK TABLES; Now copy the dump file to the slave using scp or your preferred tool. At the slave: Open a connection to mysql and type: STOP SLAVE; Load master's data dump with this console command: mysql -uroot -p < mysqldump.sql Sync slave and master logs: RESET SLAVE; CHANGE MASTER TO MASTER_LOG_FILE='mysql-bin.000001', MASTER_LOG_POS=98; Where the values of the above fields are the ones you copied before. Finally type START SLAVE; And to check that everything is working again, if you type SHOW SLAVE STATUS; you should see: Slave_IO_Running: Yes Slave_SQL_Running: Yes That's it! At the moment i'm in the stage of copying the db from the master to the other two replication servers and it takes more than 6 hours to that point, isn't it too slow? The servers are connected through a 1gb switch.

  Read the article

• Why won't my computer go to sleep automatically?

  - by Django Reinhardt

  Windows 8 is set to sleep after 30 mins, and it used to work, but recently it's started refusing to sleep. (I can still manually ask it to go to sleep without any issue.) I was having issues a while ago, but it was with my network adapter. That's since been disabled, so it's definitely not that: I've checked to see what devices are able to wake up my machine, but it only appears to be my mouse: Which is odd, because I haven't recently changed my mouse, and more confusing still: The monitor does go to sleep just fine. If it was actually the mouse keeping my system awake, I'm pretty sure the monitor wouldn't go to sleep. I've checked my Wake Timers, and nothing: I've also checked my existing requests... UPDATE: I found something. What to do with it, I don't know... Note: Even when /requests says that there's "NONE" under every category, my machine still won't sleep(!). In short: How can I tell what's preventing my computer from Sleeping? UPDATE: Ok, so I now have a few more pieces of the puzzle. I came back to my computer and it was ASLEEP! Lawks! It seems that the only times it doesn't sleep is if VLC Player is open, even if a video isn't actually playing. UPDATE UPDATE: Ok, so it won't sleep sometimes when VLC Player ISN'T running, either. Bah!

  Read the article

• Some guest networking and VMware Tools functionality broken with Sprint SmartView on the host

  - by Mads

  Using VMware Workstation 6.5.3 on Vista 64-bit. I started having problems with VMware networking about 6 months ago after upgrades to Sprint SmartView. I did not have problems previously, but I don't know if that is because I was lucky. The main symptoms of the problem when SmartView is installed are: I can no longer drag files from the host to copy them to the guest. When they are dragged, the disallowed cursor (the circle with a slash) shows in the guest. If I try to enable shared folders in the guest while it is running, I will not be able to see the shared files and will be informed that networking is not working. I can still ping guests from the host and I can still access network services via NAT most of the time when connected via my USB broadband adapter. When I configure shared folders so they are "always enabled" (with a mapped drive), I can access files on the via the mapped folders. I can also copy the file on the host and then paste it in the guest, as was suggested in some other threads concerning drag-and-drop problems that I found. The VMware Tools icon is showing in all cases and I don't see any obvious errors in the host's event viewer. If I uninstall SmartView, the problems disappear. If SmartView (current version is 2.28.0082) is reinstalled I will experience the same problems. I have tried uninstalling/reinstalling VMware and SmartView in various ways but it appears tha these problems are consistent when SmartView is installed (not just when it is running or connected, but when it is present on the system). I'm wondering if this is a combination of software (WS 6.5.3, Vista64, and SmartView) that works for other people, which would indicate a problem that is peculiar to my configuration.

  Read the article

< Previous Page | 160 161 162 163 164 165 166 167 168 169 170 171  | Next Page >