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• Configuring https access on HP A5120 Switch

  - by GerryEgan

  I am trying to configure HTTPS management on a HP a5120 switch running Version 5.20.99, Release 2215 and not having much luck. I have followed the manual by creating an SSL policy first and then enabling the HTTPS server with the SSL policy: ssl server-policy sslpol ip https ssl-server-policy sslpol ip https enable When I try and log onto the switch with Google Chrome I get the following error: Error 107 (net::ERR_SSL_PROTOCOL_ERROR): SSL protocol error. When I look this up I have found references to errors due to TLS being used in SSL. I can find no way to specify the SSL version in the server policy. The manual has a configuration example that uses MSCEP to retrieve a certificate but in Windows 2008 R2 that feature is only available in Enterprise and Datacentre editions which I don't have. I have SSH configured and it is using a locally generated certificate so I'm not sure if I can use that but I'd like to if possible. Has anybody been able to setup HTTPS management on HP A series switches without MSCEP? Any and all help appreciated! here is a copy of my config with the interfaces removed: version 5.20.99, Release 2215 # sysname MYSYSNAME # irf domain 10 irf mac-address persistent timer irf auto-update enable undo irf link-delay # domain default enable system # telnet server enable # vlan 1 # vlan 100 description Management # radius scheme system primary authentication 127.0.0.1 1645 primary accounting 127.0.0.1 1646 user-name-format without-domain # domain system access-limit disable state active idle-cut disable self-service-url disable # user-group system group-attribute allow-guest # local-user admin password cipher authorization-attribute level 3 service-type ssh telnet terminal service-type web # stp enable # ssl server-policy sslpol pki-domain MYDOMAIN # interface NULL0 # interface Vlan-interface199 ip address 192.168.199.140 255.255.255.0 # interface GigabitEthernet1/0/1 poe enable stp edged-port enable # interface Ten-GigabitEthernet2/1/2 # dhcp-snooping # ntp-service unicast-server 192.168.1.71 # ssh server enable # ip https ssl-server-policy sslpol ip https enable # load xml-configuration # user-interface aux 0 1 user-interface vty 0 15 authentication-mode scheme

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• Dell XPS 17 Laptop USB SS Ports don't work until machine rebooted

  - by Matt

  I have a new Dell XPS 17 laptop and have an issue that the two USB SS ports on the rear of the machine are not recognising anything when I start-up. Have tried mouse, keyboard, headset, USB display. If I plug a USB hub in the power light on the hub lights (presume this is hard-wired) but a mouse plugged into the hub does not light up. If I restart the pc the ports work fine. Also the other two USB ports work fine all the time. I have switched off the power saving setting on the device manager (Power managementAllow the computer to turn off this device to save power) and also in the advanced power settings (USB Settings USB Selective suspend setting:disabled) I have also disabled USB powershare in the BIOS (not sure what this actually does!) This is becoming very annoying having to restart the machine every day before I can start work Running Win 7 Pro x64 EDIT: I have found that setting USB Emulation to Disabled has helped the devices to be recognised during start up but they keep dropping out completely when in use EDIT 2: I contacted Dell about this issue who told me to update the BIOS driver, when I asked if I should downgrade from the factory installed A13 to the A12 posted on the dell website they said no. However there is now an A14 available on the website has anyone tried this?

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• Migrating from Exchange 2003 to 2010 UID changes from 32 characters to 64 characters

  - by Seth

  We have built a custom CRM tool that integrates with Exchange 2010 using Exchange Web Services. The issue we are encountering revolves around editing appointments through the CRM tool that were created in exchange 2003. We have migrated the sales staff from Exchange 2003 to 2010 so that we could use EWS. EWS works great except for appointments that were created prior to the migration. Those appointments created prior to the migration in Exchange 2003 cannot be modified using EWS. The reason is that the ExchangeItemUID for the appointment changed from 32 characters to 64 characters. EWS does not recognize ExchangeItemUIDs that are 32 characters. We are looking for a solution that will allow us to modify these appointments. We are open to ideas of running a script that will update all appointment events for the sales people so that 2003 appointments are converted to 2010 format. We are also open to alternate IDs as opposed to using UID. I have seen some references to using CleanGlobalObjectID, but I don't see that property in EWS. Has anyone encountered this problem before? Any help you could give would be greatly appreciated!

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• Get Illegal Instruction error when booting Linux in VirtualBox, works fine when booted directly

  - by rkjnsn

  I have a computer on which I am dual booting Windows 7 and Gentoo Linux (both 64-bit). I want to be able to load up my Linux installation in a VM while I am booted into Windows. I have installed VirtualBox and followed the instructions for creating a raw disk VMDK. When I start the VM, Linux starts booting, but then fails with the following error when unlocking my root partition: truecrypt[441] trap invalid opcode ip:373615538e0 sp:3dd0e0dfb60 error:0 in libpixman-1.so.0[373614d6000+8d000] Everything works fine when I boot into Linux directly. What could cause an illegal instruction to be hit in libpixman only when booting in VirtualBox? Update: As a troubleshooting step, I recompiled pixman without "-march", and no longer get an illegal instruction error in that library. (The boot fails in the same spot with the same error in a different library, however.) How can I determine the specific opcode that isn't working in VirtualBox so I can disable it in my CFLAGS without having to disable all CPU-specific optimizations? I am still confused as to why there would be any user-mode instruction that would fail to work in a VM. Is this a known limitation? My CPU is an Intel Core i7 3720QM, and I have hardware virtualization support enabled.

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• switching dns server providers

  - by Yoav Aner

  I'm trying to wrap my head around something that I thought I kinda understood, but clearly there's some piece missing. We're currently using Zerigo as our primary dns, with slave dns running on linode. This works quite well. However, recent DDOS attacks on zerigo meant that whilst dns queries were still resolved, we were unable to make any dns changes. Since we rely on dns changes on our own infrastructure, I'm looking to improve this somehow. I'd rather not ditch zerigo completely, and realise that this or similar problems can happen with ANY primary dns hosting provider. It might not be DDOS, but a bug on their server, or something that means we can no longer issue updates. For this I want to have some fallback option: a completely independent (primary) dns provider (maybe AWS), which we will keep in-sync manually. We will switch-over to it when there's a problem. This brings me to my question: How do I make sure we can switch those providers quickly enough? specifically, on our registrar, there's a list of name servers, but no settings like TTL etc. How do dns clients know to use the newly updated name server records? Is this configured in the SOA? However, the SOA itself is hosted with the dns provider and we might not be able to update it... This is not a question about a one-time move, which can be planned and scheduled and tested, but rather to be able to do so when things are half-broken.

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• Apache 2.2 + mod_fcgid + PHP 5.4: (104) Connection reset by peer

  - by Michele Piccirillo

  On a Debian 6 VPS, I'm running PHP 5.4 via mod_fcgid on a couple of different virtual hosts, managed by Virtualmin GPL. At random, I get 500 Internal Server Errors; restarting Apache brings everything back to normality. Examining the logs, I find messages of this kind: [Thu Oct 04 15:39:35 2012] [warn] [client 173.252.100.117] (104)Connection reset by peer: mod_fcgid: error reading data from FastCGI server [Thu Oct 04 15:39:35 2012] [error] [client 173.252.100.117] Premature end of script headers: index.php Any ideas about what is happening? UPDATE: I found a similar question and the author reported to have solved the problem disabling APC. I tried following the advice, but I'm still getting the same errors. VirtualHost configuration SuexecUserGroup "#1000" "#1000" ServerName example.com DocumentRoot /home/example/public_html ScriptAlias /cgi-bin/ /home/example/cgi-bin/ DirectoryIndex index.html index.htm index.php index.php4 index.php5 <Directory /home/example/public_html> Options -Indexes +IncludesNOEXEC +FollowSymLinks +ExecCGI allow from all AllowOverride All AddHandler fcgid-script .php AddHandler fcgid-script .php5 FCGIWrapper /home/example/fcgi-bin/php5.fcgi .php FCGIWrapper /home/example/fcgi-bin/php5.fcgi .php5 </Directory> <Directory /home/example/cgi-bin> allow from all </Directory> RemoveHandler .php RemoveHandler .php5 IPCCommTimeout 61 FcgidMaxRequestLen 1073741824 php5.fcgi #!/bin/bash PHPRC=$PWD/../etc/php5 export PHPRC umask 022 export PHP_FCGI_CHILDREN PHP_FCGI_MAX_REQUESTS=99999 export PHP_FCGI_MAX_REQUESTS SCRIPT_FILENAME=$PATH_TRANSLATED export SCRIPT_FILENAME exec /usr/bin/php5-cgi Package versions webmin-virtual-server/virtualmin-universal 3.94.gpl-2 apache2/squeeze 2.2.16-6+squeeze8 libapache2-mod-fcgid/squeeze 1:2.3.6-1+squeeze1 php5 5.4.7-1~dotdeb.0 php5-apc 5.4.7-1~dotdeb.0

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• How do I disable the firewall on blackberry?

  - by user15660

  I own a Blackberry 9630 tour.(Sprint). The firewall is enabled with a lock sign and grayed out. I'm not able to disable it. Because of this many of my blackberry apps don't work as it gives a message "The application has tried to open a connection that's not allowed by your IT policy". I tried all options and there's nothing to disable. This is a personal blackberry and I don't have an IT policy on it. I did all methods like wiping, formatting/resetting to factory settings acc. to blackberry site by running their reset app from PC etc etc. but nothing works I tried CrackUtil for blackberry and that worked and wiped the blackberry. I restored my bb and started using it just to notice that the firewall is enabled back after a desktop manager connection to PC. I even made sure the policy.bin file on PC is a regular one with no IT policy. How do I get this disabled? I had the same problem on my old blackberry 8330 and crackutil disabled the firewall. but after a few days after a desktop manager update of blackberry OS and other small stuff the firewall got enabled again. Please give me a solutions to disable the firewall on blackberry

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• PHP crashing during oAuth scripts

  - by FunkyChicken

  I just installed Nginx 1.2.4 and PHP 5.4.0 (from svn) (php fpm). CentOs 5.8 64 The problem I have is that PHP crashes the moment I run any social oAuth scripts. I have tried to log into Facebook, Twitter and Google with various scripts that I know work on my other servers. When I load the scripts I get a 502 error from Nginx. And I find these errors in the log: in php-fpm log: WARNING: [pool www] child 23821 exited on signal 11 (SIGSEGV) after 1132.862984 seconds from start in nginx log: ERROR: recv() failed (104: Connection reset by peer) while reading response header from upstream From what I can see, it goes wrong when PHP tries to make a request to any of the oAuth servers. https://github.com/mahmudahsan/PHP-SDK-3.0---Graph-API-base-Facebook-Connect-Tutorial-Source for example is one of the scripts that works perfectly on my other machines, but causes PHP to crash. I found: http://stackoverflow.com/questions/3616191/nginx-php-fpm-502-bad-gateway which seems to be a similar problem, but I cannot find a way to solve it. +++ UPDATE +++ Now I have been doing some debugging in 1 of the scripts that is playing up. If you go to line 808 http://pastebin.com/gSnzRtXb it runs the curl_exec() command. When that is ran, it crashes. If i echo'test';exit; just above that line, it echo's correctly, if i do it below that line, php crashes. Which means it's that line 808 which causes the crash. So I made a very simple script to do some testing: http://pastebin.com/Rshnyhcm which also uses curl_exec, but that runs just fine. So I started to dig deeper into that query from the facebook script to see what values the $opts array contains from line 806. Output of that array is: http://pastebin.com/Cq9ffd3R What the problem is, I still have no clue :(

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• hard drive recognized by bios but not by windows

  - by tehgeekmeister

  I'm adding a new hard drive (A seagate ST31000340NS; I had links in here but I don't have enough reputation to post them. Interestingly, the bios recognizes it as a ST31000340AS, but it was bought as the other number...) to a friend's hp pavilion d4650e (mobo specs; google the model if you want the rest of the info, can't do more than one link.). Have had a hell of a time with it. Finally figured out that the hard drive needed a jumper set to limit the speed to 1.5gbps so the mobo would recognize it, and the bios DOES recognize it now. But not windows (using windows 7), using add new hardware or diskmgmt.msc. According to my friend, who was at the computer when it first booted after adding the jumper, a new hardware found dealio popped up saying something about raid, but I can't provide more info then that since I didn't see it. Ubuntu livecd recognized the drive before we changed the jumper. Haven't checked since then. XP didn't recognize it, that's the OS we started with. Upgraded to 7 hoping it might fix the problem. The only other info I can think of that might be immediately relevant is that the drive is plugged into the fifth sata channel, and the first channel is empty. Is this a problem? I assume not, because the two other drives (in a raid 0) and the cd and dvd drives are also on channels past the first one, and are recognized. Ask questions and I'll update with info!

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• Mac OS X Lion Apache Server not Found

  - by Burak Erdem

  After upgrading to Lion 10.7.2 today, Apache virtual hosts are not working anymore. When I go to http://XYZ.localhost, it say "server not found". I am using Apache on my Mac OS X Lion and until today, it was working fine. I can access http://localhost but I can't access http://XYZ.localhost My /etc/hosts file is like below; 127.0.0.1 XYZ.localhost My /etc/apache2/extra/httpd-vhosts.conf file is like below; <VirtualHost *:80> ServerName XYZ.localhost DocumentRoot /Library/WebServer/Documents/XYZ <Directory /Library/WebServer/Documents/XYZ> DirectoryIndex index.php AllowOverride All Order allow,deny Allow from all </Directory> </VirtualHost> I think I once had this problem too, after another OS X update, but I can't remember how I solved it. Is it a user permission issue? Or is there something wrong with Apache or any other setting? EDIT: It seems like my /etc/hosts file is not working correctly. Even if I add something like 127.0.0.1 apple.com it still goes to the real apple.com. Maybe this might help to solve the problem.

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• javac compiler throwing error in CentOS 5.7

  - by Julio Menendez

  I'm trying to install Red5 on a vps running CentOS 5.7 in MediaTemple using this how-to (dv):Install Red5 Media Server but on step 7 I get this error: BUILD FAILED /usr/local/red5/build.xml:217: The following error occurred while executing this line: /usr/local/red5/build.xml:238: Error running /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/bin/javac compiler Any idea how to fix it? Already Google and several users have had this same issue but none posted the solution or they never solved. UPDATE: Some more details: running ant -v dist shows that is a memory problem: Caused by: java.io.IOException: Cannot run program "/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/bin/javac": java.io.IOException: error=12, Cannot allocate memory at java.lang.ProcessBuilder.start(ProcessBuilder.java:475) at java.lang.Runtime.exec(Runtime.java:610) at org.apache.tools.ant.taskdefs.Execute$Java13CommandLauncher.exec(Execute.java:862) at org.apache.tools.ant.taskdefs.Execute.launch(Execute.java:481) at org.apache.tools.ant.taskdefs.Execute.execute(Execute.java:495) at org.apache.tools.ant.taskdefs.compilers.DefaultCompilerAdapter.executeExternalCompile(DefaultCompilerAdapter.java:522) ... 32 more Caused by: java.io.IOException: java.io.IOException: error=12, Cannot allocate memory at java.lang.UNIXProcess.<init>(UNIXProcess.java:164) at java.lang.ProcessImpl.start(ProcessImpl.java:81) at java.lang.ProcessBuilder.start(ProcessBuilder.java:468) ... 37 more and I defined _JAVA_OPTIONS="-Xms64m -Xmx128m" and export ANT_OPTIONS=-Xmx128m and I tried with Xmx512m in both cases, no luck. Thanks!

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• Windows 7 taskbar groups to use vertical menus only, not thumbnails?

  - by Justin Grant

  I frequently have 10 or more windows of the same application (e.g. Outlook, Word, IE, etc.) open at one time. Windows 7's new taskbar grouping thumbnail feature shows a preview of open windows (aka thumbnails) when you single-click on the taskbar group for that application. But when I have over 10 windows open (more thumbnails than will fit horizontally on my screen), Windows reverts to a vertical menu. This is disconcerting since I need to train myself to deal with two separate behaviors and can never anticipate what I'm going to see when I click on a taskbar group. Furthermore, I find the thumbnails more difficult to visually scan through (vs. the vertical menu) because only 1-2 words of each window's title are shown. Typically that's not enough text to disambiguate and help me find the right window. I'd like to force Windows 7's taskbar grouping to always show a vertical menu (like in XP) instead of sometimes showing thumbnail previews and sometimes showing a vertical menu. Anyone know how (whether?) this can be done? UPDATE: BTW, I'm running the RTM version (build 7600) of Windows 7. There are apparently other solutions out there which work on earlier builds, but which don't work on the RTM build.

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• How to crop Screen Recordings under Snow Leopard?

  - by willc2

  Quicktime Player for Snow Leopard now allows you record the screen. Awesome! Once you have a movie it will let you trim screen recordings for length. Is there a way to crop the movie's dimensions, either in QT or using some built-in or free software? Update: How to crop to an arbitrary size and aspect ratio? iMovie only seems to let you crop to the aspect ratio of the containing project. Result: Both good answers but since I have QuickTime Player 7 and Photoshop, that's the workflow I choose as the answer. NOTE: If you have Photoshop Extended, you can import a movie, use the crop tool, and Export the cropped movie. Not free or built-in, but convenient. To summarize the instructions from the video link ricbax posted: Open movie in QuickTime Player 7 Copy a frame and Paste it into a new document in Photoshop Draw a rectangular selection around the area to keep and fill with black Invert the selection and fill with white Save as .GIF, with 2 colors Back in QuickTime Player 7, open Movie Properties window Select the Video Track Select the Visual Settings Tab Drag and Drop the 2-color .GIF file onto the Mask drop area (or use choose file button) Export the (now cropped) movie DONE

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• Trouble with HP printer

  - by reyjavikvi

  I have a HP Photosmart C3180 (it's a printer/scanner). For some reason, it recently stopped working. The power light is blinking (I think all the other lights are one, but don't remember, I'm not there right now), and the only way to turn it off is to unplug it. It won't print anything, and when you put a page in the tray it sucks it in without printing anything on it and stops when the paper is on its way out (Again, I don't remember how we managed to get it out, sorry). This printer is hooked up to a computer running XP, but it doesn't work either when printing from the network. Weirdly, the scanner works fine. Do you have any ideas on what could be the problem? Could it be a driver problem? By the way, sorry if the question lacks a bit of detail. I don't know much about printers, and I don't have it here so I can't remember exactly all the details. If needed I can update the question tonight or tomorrow.

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• Experiences in Upgrading from Exchange 2003 to Exchange 2010

  - by gWaldo

  I'm currently running Exchange 2003 SP2 Cluster on a Server 2003 AD Forest (in native 2003 mode), and we beginning to plan the upgrade to Server 2008 AD and Exchange 2010. We have two main sites, one middle-sized office, and a couple of smaller sites which have DCs (which may be RODCs after the upgrade). Currently all of our Exchange cluster is in my main site, but we are considering using the new datastore paradigm for load-balance/failover at the other large site, but this is not set in stone. Right now we are in the information-gathering and planning phases. I am looking for input of any gotchas experienced while performing either upgrade, but especially the Exchange upgrade. Gotchas? What surprised you? What wasn't documented? What said one thing but was misleading? (Confusing either in content or severity.) What is great or horrible about the new system? What worked well? What worked poorly? If you were to do it over again...? (I know that this isn't so much a question that can be definitively answered, but I'm happy to reward insight and useful resources (not the Microsoft documentation, but Blogposts are welcome) with upvotes.) UPDATE A couple items of note: -We are not currently using OWA (currently only the admins), but it may become more of a consideration with iOS devices. -We do have a small number of Blackberries in the environment (< 10%). -In addition to the standard Exchange connectors, we have a third-party connector for Captaris RightFax integration.

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• Best way to execute a command after Linux system halt

  - by Lukas Loesche

  Problem: The SSDs in our servers require a power cycle (i.e. off/on, not reset/warm reboot) after a firmware update. Thoughts: Using 'ipmitool chassis power cycle' I can cycle the server's power. However this would cut the power while the system is still running, filesystems are mounted, etc. What I basically want is a delayed power cycle so the system has a change to halt. But I guess that would have to be implemented on the server's IPMI board, so it's not really an option. My initial idea was to dynamically create a ramdisk containing the tool and libs and somehow integrate that into the halt process. I saw there's a /etc/init.d/halt, so that would be my starting point. Although I believe the kernel at some point in the shutdown process starts to kill off remaining processes. So I'm not even sure if that's a viable way. Question: What would be the best way to execute ipmitool (or any other command), after the system has halted and all regular filesystems are unmounted?

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• APC uptime 0 because of Fast

  - by demlasjr

  I have a VPS using Parallels/Plesk (11.0.9 Update #22, last updated at Oct 31, 2012 03:33 AM CentOS 6.3 (Final) x86_64) I have apache (CGI/FastCGI) installed and nginx as reverse proxy. Everything is working just fine. I installed APC for caching, but the issue is that the uptime is 0 always. It's restarting each 15 seconds or so. I checked everywhere and can't find a solution to fix it. The server have the grace restart enabled, but every 6 hours, which shouldn't influence the APC uptime. Searching in Google I found that this could be related to Apache, running with FCGId instead of FastCGI. Plesk/Apache is using this config file: usr/local/psa/admin/conf/templates/default/service/php_over_fastcgi.php which content is: <IfModule mod_fcgid.c> <Files ~ (\.php)> SetHandler fcgid-script FCGIWrapper <?php echo $VAR->server->webserver->apache->phpCgiBin ?> .p$ Options +ExecCGI allow from all </Files> Is here the issue or elsewhere ? How can I fix this to work with FastCGI and make APC working properly. I forgot to specify that even if the uptime is below one minute, APC is doing pretty good job caching (92% are hits).

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• Degraded RAID-5 array with lvm2 lost superblock and partition table

  - by Fred Phillips

  I have a RAID-5 array of 4x1TB hard disks with one lvm2 partition on Ubuntu Linux 10.04 LTS. One of the disks has failed. I have re-assembled the array without this failed disk but now mdadm --examine claims the array has no superblock and fdisk says it has no partition table. What can I do to recover the data? # mdadm -D /dev/md0 /dev/md0: Version : 1.2 Creation Time : Sat Mar 5 14:43:49 2011 Raid Level : raid5 Array Size : 2930276352 (2794.53 GiB 3000.60 GB) Used Dev Size : 976758784 (931.51 GiB 1000.20 GB) Raid Devices : 4 Total Devices : 4 Persistence : Superblock is persistent Update Time : Sat Mar 5 15:06:49 2011 State : clean, degraded Active Devices : 3 Working Devices : 3 Failed Devices : 1 Spare Devices : 0 Layout : left-symmetric Chunk Size : 512K Name : boba:1 (local to host boba) UUID : 52eb4bc9:c3d8aab5:e0699505:e0e1aa05 Events : 18 Number Major Minor RaidDevice State 0 8 1 0 active sync /dev/sda1 1 8 65 1 active sync /dev/sde1 2 8 49 2 active sync /dev/sdd1 3 0 0 3 removed 4 8 17 - faulty spare /dev/sdb1 # mdadm --examine /dev/md0 mdadm: No md superblock detected on /dev/md0. # fdisk -l /dev/md0 Disk /dev/md0: 3000.6 GB, 3000602984448 bytes 2 heads, 4 sectors/track, 732569088 cylinders Units = cylinders of 8 * 512 = 4096 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 524288 bytes / 1572864 bytes Disk identifier: 0x00000000 Disk /dev/md0 doesn't contain a valid partition table # cat /proc/mdstat Personalities : [raid6] [raid5] [raid4] [linear] [multipath] [raid0] [raid1] [raid10] md0 : active raid5 sdb1[4](F) sda1[0] sdd1[2] sde1[1] 2930276352 blocks super 1.2 level 5, 512k chunk, algorithm 2 [4/3] [UUU_] unused devices: <none>

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• Cannot find FIS partition 'initramfs'......... need help!!!

  - by vikramtheone

  Hi Guys, I have a Ubuntu 9.04 Linux running on Freescale's i.MX515(ARM Cortex based) board with me. There were about 250 updates pending and I did that today, well some of the updates failed because of the infamous errors: E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem. E: Couldn't rebuild package cache E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem. So, when I do the 'sudo dpkg --configure -a' I get new errors related to FIS partition: Cannot find FIS partition 'initramfs' User postinst hook script [/usr/sbin/flash-kernel] exited with value 1 dpkg: error processing linux-image-2.6.28-18-imx51 (--configure): subprocess post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of linux-image-imx51: linux-image-imx51 depends on linux-image-2.6.28-18-imx51; however: Package linux-image-2.6.28-18-imx51 is not configured yet. dpkg: error processing linux-image-imx51 (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of linux-imx51: linux-imx51 depends on linux-image-imx51 (= 2.6.28.18.23); however: Package linux-image-imx51 is not configured yet. dpkg: error processing linux-imx51 (--configure): dependency problems - leaving unconfigured Processing triggers for initramfs-tools ... update-initramfs: Generating /boot/initrd.img-2.6.28-18-imx51 Cannot find FIS partition 'initramfs' dpkg: subprocess post-installation script returned error exit status 1 Whats going wrong here, need help!!! I'm a newbie. Regards Vikram

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• Monitor reset itself and now I can't set the resolution/settings back to how it was before

  - by verve

  I've had my LG 24" widescreen monitor since 2009 and 2 weeks ago I noticed the monitor turned itself off (never had it done this before) so I switched it back on to find all the settings like gamma, resolution etc. different = looked like it had been reset. Everyone in the house swears they never unplugged and plugged it back in. When I opened a webpage the fonts and zoom on the pages were different and my desktop was strange too; fonts of the icons were different etc. The screen seems blurry and when I watch movies the faces look distorted so I thought I would try to first figure out the resolution it used to be but when I go under "Adjust screen resolution" none of the options work and there is no recommended resolution marked; all the options stretch out the screen and looks terrible so right now I have it set to the least distorted one. Then since the resolution wasn't working I set the other manual settings(done by physical buttons on the monitor) back to how it used to be (luckily, I had written these down). The monitor looks better but the resolution makes it a strain to use. I thought maybe some Windows update caused this crap so I tried to System Restore: didn't work. What went wrong? A few questions: 1) What was the likely cause of the monitor shutting down itself and screwing up the settings I have been using since the day I bought the monitor? 2) Why have the fonts changed everywhere unless this is a HDD/video card problem? 3) How do I find the perfect resolution it used to be? The monitor wants me to set it to 1920 x 1080 but that isn't one of the options although I don't remember what resolution I used before. I use the 16:9 setting while I try the available resolution options but nothing looks good! How do I find what it used to be? Manual available in PDF under Support: http://www.lg.com/ca_en/computer-products/monitors/LG-lcd-monitor-W2442PA-BF.jsp Win 7. IE 9.

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• Specify default group and permissions for new files in a certain directory

  - by mislav

  I have a certain directory in which there is a project shared by multiple users. These users use SSH to gain access to this directory and modify/create files. This project should only be writeable to a certain group of users: lets call it "mygroup". During an SSH session, all files/directories created by the current user should by default be owned by group "mygroup" and have group-writeable permissions. I can solve the permissions problem with umask: $ cd project $ umask 002 $ touch test.txt File "test.txt" is now group-writeable, but still belongs to my default group ("mislav", same as my username) and not to "mygroup". I can chgrp recursively to set the desired group, but I wanted to know is there a way to set some group implicitly like umask changes default permissions during a session. This specific directory is a shared git repo with a working copy and I want git checkout and git reset operations to set the correct mask and group for new files created in the working copy. The OS is Ubuntu Linux. Update: a colleague suggests I should look into getfacl/setfacl of POSIX ACL but the solution below combined with umask 002 in the current session is good enough for me and is much more simple.

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• iptables advanced routing

  - by Shamanu4

  I have a Centos server acting as a NAT in my network. This server has one external (later ext1) interface and three internal (later int1, int2 and int3). Egress traffic comes from users via int1 and after MASQUERADE goes via ext1. Ingress traffic comes from ext1, MASQUERADE, and goes via int2 or int3 according to static routes. | ext1 | x.x.x.x/24 +---------|----------------------+ | | | Centos server (NAT) | | | +---|------|---------------|-----+ | | | int1 | | int2 | int3 10.30.1.10/24 | | 10.30.2.10/24 | 10.30.3.10/24 ^ v v 10.30.1.1/24 | | 10.30.2.1/24 | 10.30.3.1/24 +---|------|---------------|-----+ | | | | | | | v v | | ^ -Traffic policer- | | |_____________ | | | | | +------------------|-------------+ | 192.168.0.1/16 | | Clients 192.168.0.0/16 The problem: Egress traffic seems to be dropped after PREROUTING table. Packet counters are not changing on MASQUERADE rule in POSTROUTING. If I change the routes to clients causing the traffic go back via int1 - everything works perfectly. current iptable configuration is very simple: # cat /etc/sysconfig/iptables *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -I INPUT 1 -i int1 -j ACCEPT -A FORWARD -j ACCEPT COMMIT *nat -A POSTROUTING -o ext1 -j MASQUERADE # COMMIT Can anyone point me what I'm missing? Thanks. UPDATE: 192.168.100.60 via 10.30.2.1 dev int2 proto zebra # routes to clients ... 192.168.100.61 via 10.30.3.1 dev int3 proto zebra # ... I have a lot of them x.x.x.0/24 dev ext1 proto kernel scope link src x.x.x.x 10.30.1.0/24 dev int1 proto kernel scope link src 10.30.1.10 10.30.2.0/24 dev int2 proto kernel scope link src 10.30.2.10 10.30.3.0/24 dev int3 proto kernel scope link src 10.30.3.10 169.254.0.0/16 dev ext1 scope link metric 1003 169.254.0.0/16 dev int1 scope link metric 1004 169.254.0.0/16 dev int2 scope link metric 1005 169.254.0.0/16 dev int3 scope link metric 1006 blackhole 192.168.0.0/16 default via x.x.x.y dev ext1 Clients have 192.168.0.1 as gateway, which is redirecting them to 10.30.1.1

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• Sharp mx2600 driver cannot see all the paper trays

  - by Frank R

  I am wondering if someone might have experienced this problem and have a solution. I have just taken over a network about a month ago so it is hard to know what truly worked and didn't work. However the end users reported that they used to be able to choose the tray they wanted to print from in the printer preferences in the driver for the Sharp MX2600n device then send the print job. Now they only have two trays to choose from instead of the four trays that exist. The only thing I have changed that might relate to this network device is the Admin password on the domain controller. I haven't made any changes to the Sharp device or the driver, until recently when I tired to update the driver for this device but that didn't fix anything. The domain controller is a Server 2008 VM running in Hyper-visor and it is pushing the shared printer out to the domain. I have looked at the web interface to manage the device and I can see all four paper trays in there, however if I try to see the number of trays from the driver interface, I can only see the top two paper trays and there should be four of them. This is the same with the admin account on the server or a workstation inside the domain, also a standard user account see's the same result. I have even tried updating the tray status within the driver to show more trays, but that doesn't help. I am hoping there is someone out there that has experienced this problem and knows a solution.

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• How to set up GRUB2 chainloader to other Grub (Fedora, Debian) on GPT

  - by basic6

  I'm trying to set up a dedicated GRUB2 which (chain-)loads another GRUB on a disk with GPT partition table. Relevant partitions: /dev/sda1 BIOS_BOOT /dev/sda2 BOOT (ext2) /dev/sda3 FEDORA (ext4) /dev/sda6 DEBIAN (ext4) I installed Fedora first, using /dev/sda2 as boot partition. Then I installed Debian. The Debian installer recognized the Fedora installation and added it as boot entry, then installed its GRUB into the MBR. While this works for the moment, it's pretty messy, because every Debian update may change the boot config, removing the Fedora entry (tried it) and the other way around. That's why I want both systems to have their own boot loader and one main boot loader (that could reside on /dev/sda2), which loads one of them. This is what I've tried: Moved everything from /dev/sda2 to /dev/sda3/boot Removed /boot mount point in Fedora (so /dev/sda2 isn't used anymore) From a live Linux, installed GRUB2 to the MBR (grub-install --boot-directory=sda2 /dev/sda) Wrote a menu.lst: title Fedora root (hd0,2) chainloader +1 (Again, for Debian) Converted that to a grub.cfg script (grub-menu2cfg or something like that) When booting, actually got a GRUB2 menu with "Fedora" (and "Debian") When selecting any one of those: error: invalid signature Issued "grub-install /dev/sda6" (and ...sda3) from all kinds of live Linux systems, all of which failed with another error message (in the case of the Debian installer, without explanation at all) Added --force to the chainloader line, now it says "loading", then reboots Found douzens of howtos, none of which seem to work for me Since I get the self-made GRUB2 menu on bootup, I've at least successfully installed the first stage of GRUB, right? When trying to chainload, some signature is checked and seems to be wrong - how do I fix it? The boot menus (Fedora with its different Kernel versions and Debian with Debian and Fedora as well) are now on the system partitions (/dev/sda3, /dev/sda6), is there anything else to do on these partitions, so they can be chainloaded? Any help is greatly appreciated.

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• VSFTPD - FTP over TLS - Upload stops after exactly 82k?

  - by Redsandro

  I installed a VSFTP daemon on a CentOS server, using a RSA certificate for logging in using explicit TLS. Now, I cannot upload more than 82k. With files under that limit, there is no problem. The FTP works like a charm. But as soon as a file reaches 82k with FileZilla (81,952 bytes to be exact), the transfer will stop, and the FTP client hangs until time out is reached. FTP client console: 15:10:21 Command: STOR jquery-1.7.2.min.js 15:10:21 Response: 150 Ok to send data. 15:11:21 Error: Connection timed out 15:11:21 Error: File transfer failed after transferring 82 KB in 60 seconds /var/log/vsftpd.log FTP command: Client "x.x.x.x", "STOR jquery-1.7.2.min.js" FTP response: Client "x.x.x.x", "150 Ok to send data." OK UPLOAD: Client "x.x.x.x", "jquery-1.7.2.min.js", 81952 bytes, 1.32Kbyte/sec FTP response: Client "x.x.x.x", "226 File receive OK." // NOT okay, file is bigger // No mention of error here I cannot find relevant info about this problem, apart from a possible problem with trans_chunk_size (not mentioned in default config), but I tried different sizes and it has no impact on the problem. trans_chunk_size=4096 trans_chunk_size=8192 trans_chunk_size=9999 Ofcourse, after every configuration change, I restarted the server: /etc/init.d/vsftpd restart What else can cause this? It's not the latest version, but it's the latest update within the repositories that has been deemed fit for enterprise usage: Package info: $ yum info vsftpd Loaded plugins: fastestmirror Installed Packages Name : vsftpd Arch : x86_64 Version : 2.0.5 Release : 24.el5_8.1 Size : 286 k Repo : installed Summary : vsftpd - Very Secure Ftp Daemon URL : http://vsftpd.beasts.org/ License : GPL Description: vsftpd is a Very Secure FTP daemon. It was written completely from scratch.

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