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• Filesystems for webserver with SATA and Solid State disk,

  - by Jorisslob

  We have just ordered a new webserver with 120 Gb solid state disk and a SATA disk. I am trying to plan ahead what sort of filesystem to use. This system will be running Linux, Apache/Tomcat to host java services. The main service is a system where people can upload reasonably large files (in the order of 100 Mb, images, image stacks and video), which people will be able to annotate and which will be sent to a database server when annotation is complete. Thus far, I plan to put most of the utility programs of the operating system om the SSD and put the large media files there. The SATA disks will hold the less volitile data like apache, tomcat and the servlets. For filesystems I have considered going for the stable EXT3 because I hear that it is best supported. The downside seems to be that it not the ideal choice for large files. That is why I am leaning towards using XFS for the SSD and EXT3 for the SATA. My questions are: 1) Does this sound like a reasonable setup? 2) What filesystems would you recommend for the SSD and for the SATA? Thanks

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• Appcrash and possible malware

  - by Chris Lively

  First off, I'm running MS Intune Endpoint Protection. It is completely up to date. On 10/25 @ 11:53PM I came across a site that caused Intune to freak out: Microsoft Antimalware has detected malware or other potentially unwanted software. For more information please see the following: http://go.microsoft.com/fwlink/?linkid=37020&name=Trojan:Win64/Sirefef.B&threatid=2147646729 Name: Trojan:Win64/Sirefef.B ID: 2147646729 Severity: Severe Category: Trojan Path: file:_C:\Windows\System32\consrv.dll Detection Origin: Local machine Detection Type: Concrete Detection Source: Real-Time Protection User: NT AUTHORITY\SYSTEM Process Name: C:\Windows\explorer.exe Signature Version: AV: 1.115.526.0, AS: 1.115.526.0, NIS: 10.7.0.0 Engine Version: AM: 1.1.7801.0, NIS: 2.0.7707.0 I, of course, elected to simply delete the file. Since then my machine has been randomly giving an error about "Host Process for Windows Services" stopped working. There are generally two different pieces of info: Description Faulting Application Path: C:\Windows\System32\svchost.exe Problem signature Problem Event Name: BEX64 Application Name: svchost.exe Application Version: 6.1.7600.16385 Application Timestamp: 4a5bc3c1 Fault Module Name: StackHash_52d4 Fault Module Version: 0.0.0.0 Fault Module Timestamp: 00000000 Exception Offset: 000062bdabe00000 Exception Code: c0000005 Exception Data: 0000000000000008 OS Version: 6.1.7601.2.1.0.256.27 Locale ID: 1033 Additional Information 1: 52d4 Additional Information 2: 52d47b8b925663f9d6437d7892cdf21b Additional Information 3: ed24 Additional Information 4: ed24528f3b69e8539b5c5c2158896d3e and Description Faulting Application Path: C:\Windows\System32\svchost.exe Problem signature Problem Event Name: APPCRASH Application Name: svchost.exe Application Version: 6.1.7600.16385 Application Timestamp: 4a5bc3c1 Fault Module Name: mshtml.dll Fault Module Version: 9.0.8112.16437 Fault Module Timestamp: 4e5f1784 Exception Code: c0000005 Exception Offset: 00000000002ed3c2 OS Version: 6.1.7601.2.1.0.256.27 Locale ID: 1033 Additional Information 1: 3e9e Additional Information 2: 3e9e8b83f6a5f2a25451516023078a83 Additional Information 3: 432a Additional Information 4: 432a0284c502cce3bbb92a3bd555fe65 Intune claims the machine is clean. I've also tried some of the online scanners like trendmicro, all of which claimed the system is clean. Finally, I tried the "sfc /scannow" and it said all was good. I left my machine on after I left last night and there were about 50 of those messages. Ideas on how to proceed?

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• User cannot access a system DSN on Windows Server 2008

  - by Ra Osolage

  We run our SQL Server services using a low privileged domain account. That account is NOT a local admin on the OS. Only access I give the user account is assigned during install of SQL: full control over its mount points and then everything else is granted by the SQL Server 2005/2008 installer. I need to create a linked server in SQL Server 2008 to an ODBC data source. So I remoted into the computer using my domain account, which is part of a group that DOES have local admin privs to the OS. I created a system DSN and configured it to connect to another SQL Server. The DSN works perfectly when I test it. However, when I try to create the linked server, I get an error. It appears to me that the DSN is invisible to the domain account that SQL Server is running as. It seems that this problem is only happening to me on Windows 2008 servers. Does anybody know whether there's anything that you need to do after creating a DSN to make it visible for other users to access?

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• Can I change the file system on the OS partition on Server 2008 R2?

  - by KCotreau

  I have a client using R1Soft Continuous Data Protection backup, and two of the Server 2008 R2 boxes were erroring out with these errors: Unable to obtain NTFS volume data for device '\\?\Volume{f612849e-7125-11e0-8772-806e6f6e6963}': Incorrect function. Unable to discover information for filesytem volume '\\?\Volume{f612849e-7125-11e0-8772-806e6f6e6963}'; Unable to obtain NTFS volume So I backed up all the registry entries with this, {f612849e-7125-11e0-8772-806e6f6e6963}, in it, and deleted them based on some VERY sparse info from R1Soft. I then decided to restore them before I rebooted, and do a system state backup first using MS backup, and even it errored out saying that there were FAT32 partitions. This was a major clue as the only two computers with problems had these FAT32 partitions. I figured if MS backup can't backup something, any other program is likely to have problems. Also, now that I realized the servers had FAT32 partitions on them, the error referencing NTFS takes on more weight. The partitions on both servers have the label "OS", but on one of the computers, it is given a letter, but on the other not. So I am thinking if I just convert the file systems from FAT32 to NTFS, it may solve the backup problem. So the question is this: Can I just convert those partitions, and does anyone have any concrete knowledge of any major downsides, like the servers not coming back up (of course, I would do one at a time)? My thinking is that the answer is probably at least 95% no, but they are production servers, so I wanted to get some second opinions.

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• Issues with doing a P2V on Exchange 2007

  - by PokermUNKEE

  I shutdown all Exchange services on the physical box and did a convert. Everything converted fine. Server booted up no issues and I could receive email from the outside world with no issues. But I am unable to send emails internally or externally. They just sit in the Outbox. I also disabled the DHCPClient service as I didn't want the server to get an IP address from DHCP when it first came online. It came online with no IP, then I used console to assign the correct static IP address (same one on the physical server) and rebooted. I ran the Exchange Troubleshooting Agent and it gave me the following errors: The value for the '\MSExchangeIS Mailbox\Messages Queued For Submission' counter on server exchange is greater than zero (average value is 8.8) and it appears that 'MSExchangeMailSubmission' is failing to submit messages to at least one computer with the Hub Transport server role installed over the last minute. Found 1 computers with the Hub Transport server role installed in the same Active Directory site as server exchange using local Active Directory site GUID 'ce8a4367-1bf6-4825-9cac-c4e2b115c450'. Check Local Active Directory Site Hub Transport Server Role Health (Mailflow_CheckLocalBhHealth1.1.1.1.1.1.1.1) I have one Exchange server with all the roles on it. Has anyone see this before when doing a convert? Please help :(

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• Mounting a TrueCrypt volume over FTP

  - by Maxim Zaslavsky

  Is it possible to mount a TrueCrypt volume file over FTP? Here's how TrueCrypt works with a local file: User inputs path to volume file, enters password TrueCrypt verifies that the password is correct (probably by decrypting the very first part of the volume file?) TrueCrypt reads the directory listing from the volume file and mounts the volume. However, in this step, TrueCrypt does NOT process the whole volume file. The user browses the directory listing and opens a file. TrueCrypt reads only the part of the volume file that contains the file the user wants, and then decrypts it. Once again, TrueCrypt doesn't process the whole volume file - it only reads part of it. The user edits part of the file and saves it. TrueCrypt encrypts the change and edits the volume file. I'm pretty sure it should be possible to mount a volume over FTP, without undermining security and without having to transfer the whole volume file just to read one small part of the volume. Here's how I imagine it: User inputs FTP path to volume file, enters FTP login information, enters password to volume TrueCrypt downloads the very first part of the volume file and verifies that the password is correct TrueCrypt downloads the part of the volume file that contains the directory listing - the data is sent encrypted over FTP and is decrypted locally. The user browses the directory listing and opens a file. TrueCrypt downloads only the part of the volume file that contains the file the user wants, and then decrypts it locally. The user edits part of the file and saves it. TrueCrypt encrypts the change and edits the volume file over FTP, transferring encrypted data only. Is such a feature available?

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• ssh tunnel - bind: Cannot assign requested address

  - by JosephK

  Trying to create a socks (-D) ssh tunnel - Linux box to Linux box (both centos): sshd running on remote side ok. From local machine we do / see this: ssh -D 1080 [email protected]. [email protected]'s password: bind: Cannot assign requested address (where 8.8.8.8 is really my server's IP and 'user' is my real username) I am logged into the remote side in this terminal-window. I can verify that the local port was unused prior to this command, and then used by an ssh process, after the command, via: netstat -lnp | grep 1080 So, unlike most googled-responses with this error, the problem would not seem to be the loopback interface assignment. If I try to use this tunnel with a mail client, the local-side permits the attempt (no 'proxy-failed' error), but no data / reply is returned. On the remote side, I do have "PermitTunnel yes" in my sshd_config (though 'yes' should be the default, anyway). Ideas or Clues? Here is the relevant debug-output OpenSSH_5.3p1, OpenSSL 1.0.0-fips 29 Mar 2010 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * .... debug1: Authentication succeeded (password). debug1: Local connections to LOCALHOST:1080 forwarded to remote address socks:0 debug1: Local forwarding listening on 127.0.0.1 port 1080. debug1: channel 0: new [port listener] debug1: Local forwarding listening on ::1 port 1080. bind: Cannot assign requested address debug1: channel 1: new [client-session] debug1: Entering interactive session. debug1: Sending environment. debug1: Sending env LANG = en_US.utf8 Other clue: If I run a Virtual Box on the client running Windows, open a tunnel with putty in that box, that tunnel, to the same remote server, works.

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• No VMKernel Dump File on PSOD for ESXi 4

  - by user66481

  On PSOD no VMKernel Dump File is written to disk and no message is written to screen (the screen is either blank or full of dashes). I need this data to understand why the system crashes; any help as to how to fix this to write a dump file would be appreciated. Thanks. Notes: VMKCore partition exists, is active, and is configured (esxcfg-dumppart -l). esxcfg-advcfg -g /Misc/PsodOnCosPanic = 1. esxcfg-advcfg -g /Misc/CosCoreFile = /var/core. esxcfg-dumppart -C -D /vmfs/devices/disks/ = "Error running command. Unable to copy the dump partition: Couldn't find a valid VMKernel dump file. Dump partition might be uninitialized." Hardware diagnostics (Dell) checks okay. Hardware: VMWare ESXi 4.1.0 (VMKernel Release Build 320137) Dell Inc. Optiplex 960 (2 Drives) Intel Core 2 Quad CPU Q9400 2.66GHz Configuration: 2 Virtual Machines: Windows Server 2003 R2 Enterprise Edition SP2 (1 on each drive) VM 1: Executes Batch Jobs (Has Internet Information Services 6) VM 2: Database Server (Has SQL Server 2000)

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• flask, lighttpd with fastcgi can't get it to work

  - by kurojishi

  i'm tring to deploy a simple flask script to a lighttpd server with fastcgi. this is the configuration file for lighttpd builded using the flask documentation http://flask.pocoo.org/docs/deploying/fastcgi/#configuring-lighttpd server.modules = ( "mod_access", "mod_alias", "mod_compress", "mod_redirect", "mod_rewrite", "mod_fastcgi", ) server.document-root = "/var/www" server.upload-dirs = ( "/var/cache/lighttpd/uploads" ) server.errorlog = "/var/log/lighttpd/error.log" server.pid-file = "/var/run/lighttpd.pid" server.username = "www-data" server.groupname = "www-data" index-file.names = ( "index.php", "index.html", "index.htm", "default.htm", " index.lighttpd.html" ) url.access-deny = ( "~", ".inc" ) static-file.exclude-extensions = ( ".php", ".pl", ".fcgi" ) var.home_dir = "/var/lib/lighttpd" var.socket_dir = home_dir + "sockets/" ## Use ipv6 if available #include_shell "/usr/share/lighttpd/use-ipv6.pl" dir-listing.encoding = "utf-8" server.dir-listing = "enable" compress.cache-dir = "/var/cache/lighttpd/compress/" compress.filetype = ( "application/x-javascript", "text/css", "text/html", "text/plain" ) include_shell "/usr/share/lighttpd/create-mime.assign.pl" include_shell "/usr/share/lighttpd/include-conf-enabled.pl" fastcgi.server = ("weibo/callback.fcgi" => (( "socket" => "/tmp/weibocrawler-fcgi.sock", "bin-path" => "/var/www/weibo/callback.fcgi", "check-local" => "disable", "max-procs" => 1 )) ) url.rewrite-once = ( "^(/weibo($|/.*))$" => "$1", "^(/.*)$" => "weibo/callback.fcgi$1" and this is the script i'm tring to run: #!/home/nrl/kuro/weiboenv/bin/python from flup.server.fcgi import WSGIServer from callback import app if __name__ == '__main__': WSGIServer(application, bindAddress='/tmp/weibocrawler-fcgi.sock').run() but i have this error testing the configuration file i get this error: 2013-07-02 17:15:42: (configfile.c.912) source: lighttpd.conf.new line: 52 pos: 1 parser failed somehow near here: weibo/callback.fcgi$1 when i remove the urlrewrite i get these errors in the log even if the daemon start: 2013-07-02 16:25:53: (log.c.166) server started 2013-07-02 16:25:53: (mod_fastcgi.c.1104) the fastcgi-backend fcgi.py failed to start: 2013-07-02 16:25:53: (mod_fastcgi.c.1108) child exited with status 2 fcgi.py 2013-07-02 16:25:53: (mod_fastcgi.c.1111) If you're trying to run your app as a FastCGI backend, make sure you're using the FastCGI-enabled version. If this is PHP on Gentoo, add 'fastcgi' to the USE flags. 2013-07-02 16:25:53: (mod_fastcgi.c.1399) [ERROR]: spawning fcgi failed. 2013-07-02 16:25:53: (server.c.938) Configuration of plugins failed. Going down.

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• ADSIEdit Cleanup After Exchange 2003 Crash During Transition To Exchange 2010

  - by ThaKidd

  Hello all. I would value some input from a few Exchange 2010 experts. I have almost completed the transition from Exchange 2003 Standard to Exchange 2010 Standard. Everything went smoothly until I tried to uninstall Exchange 2003. At that point the server bit the dust and died completely. I now have NO access to the old Exchange System Management MMC as I am running Windows 2008 SR2 and Windows 7 only. I can only fix this with ADSIEdit, EMShell, and EMConsole. I have used the 2010 shell to move/remove/verify that all mailboxes, public folders and OAB are hosted on Exchange 2010. I also verified that the routing connector has been deleted. The only two things that were not done was to remove the Recipient Update Service and actually perform the removal of the 2003 software. I have spent a lot of time going through ASDIedit and have located the old Administrative Group and the Exchange 2003 server listed under it. I also located the Recipient Update Service which includes two entries; Enterprise and my domain name. I have read that it is an unwise idea to remove the old administrative group so I won't bother messing with that. I am repeatedly getting three warnings in the Application Log. Both are from MSExchangeTransport EventID 5006 (Cannot find route to Mailbox Server OLDSERVER) and 5020 (The topology doesn't contain a route to Exchange 2000 Server or Exchange Server 2003) So my questions are: To clean out AD of the old Exchange 2003 info, can I delete the server name folder (Configuration - Services - Microsoft Exchange - ExchOrg - Administrative Groups - First Administrative Group - Servers - Old Server) and also delete the Update Recipient Service (Enterprise) and Update Recipient Service (DOMAIN) containers safely? Are there any additional items I need to address to ensure the AD is clean? Thanks in advance for your help!

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• Indefinite hang when restoring SQL 2005 database on a SQL 2008 server in EC2

  - by erinloy

  I'm trying to restore a 25 GB database backup taken from a Windows 2003/SQL 2005 machine to a Windows 2008/SQL 2008 machine in the Amazon EC2 cloud, using a .bak file and the SQL Management Studio. SQL Management Studio reports the restore reaches 100% complete, and then just hangs indefinitely (24+ hours) using a lot of CPU, until I restart the SQL Server service. Upon restart, SQL again uses a lot of CPU activity for what seems to be an indefinite amount of time, but the DB never comes online. Here are some details: - I have created two EBS volumes, one for DATA and one for LOGS, and I have set the default directories in SQL Server to the \DATA and \LOG directory on these respective volumes. (I wonder if the issue could be related to this, but the DB is too big to restore on the root drive.) - I have given the SQL Server user group full access to these directories. - The server can create a new empty test DB in these directories just fine, and can backup and restore the test DB. - I have tried both restoring of a .bak file and attaching directly to copies of the original .mdf/.ldf files, and the result is the same in both cases. - Both the .bak restore and the .mdf/.ldf attach occur from/to the EBS volumes. - I've also tried the above via SQL script, and "WITH RECOVERY", with no difference in the result, just less UI. - The backup contains two full text indexes. - I have to use "WITH MOVE" for most of the files in the backup. - There's nothing wrong with the backup or .mdf/.ldf files, as this works just fine on a Windows 2003/SQL 2005 machine in the Amazon EC2, but not Windows 2008/SQL 2008. - The DB is NOT marked as "Restoring" in the SQL Management Studio - it is just listed as a normal database, but throws errors when I try to do anything with it (expand the object browser tree, view properties, etc.) Any ideas?

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• Screen scraping software that will traverse pages

  - by nilbus

  We're creating a mashup site that pulls information from many sources all over the web. Many of these sites don't provide RSS feeds or APIs to access the information they provide. This leaves us with screen scraping as our method for collecting the data. There are many scripting tools out there written in different scripting languages for screen scraping that require you to write scraping scripts in the language the scraper was written in. Scrapy, scrAPI, and scrubyt are a few written in Ruby and Python. There are other web-based tools I've seen like Dapper that create XML or RSS feeds based on a webpage. It has a beautiful web-based interface that requires no scripting skills to use. This would be a great tool, if it were able to traverse multiple pages to gather data from hundreds pages of results. We need something that will scrape information from paginated web sites, much like scrubyt, but with a user interface that a non-programmer could use. We'll script up our own solution if we need to, probably using scrubyt, but if there's a better solution out there, we want to use it. Does anything like this exist?

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• Adding an user to samba

  - by JustMaximumPower

  I'm trying to setup some samba shares in my home network on an Ubuntu 12.04 machine. Everything works fine for my user account (max) but I can not add any new user. Every time I try to add new user they can not use the shares. It's likely that the error is very basic to the concept of samba but please don't just tell me to read the docs. I've been trying that for about 2 weeks now. I've set up the server with my user max who can mount transfer and the share max. Than I added the user simon with sudo adduser --no-create-home --disabled-login --shell /bin/false simon because the user should not be able to ssh into the machine. I did an sudo smbpasswd -a simon and set an (samba) password for simon and added an share for simon. I also added simon to transferusers to give him access to the share transfer. But simon can't connect to transfer or simons. ---- output of testparam: ------- Load smb config files from /etc/samba/smb.conf rlimit_max: increasing rlimit_max (1024) to minimum Windows limit (16384) Processing section "[printers]" Processing section "[print$]" Processing section "[max]" Processing section "[simons]" Processing section "[transfer]" Loaded services file OK. Server role: ROLE_STANDALONE Press enter to see a dump of your service definitions [global] server string = %h server (Samba, Ubuntu) map to guest = Bad User obey pam restrictions = Yes pam password change = Yes passwd program = /usr/bin/passwd %u passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* . unix password sync = Yes syslog = 0 log file = /var/log/samba/log.%m max log size = 1000 dns proxy = No usershare allow guests = Yes panic action = /usr/share/samba/panic-action %d idmap config * : backend = tdb [printers] comment = All Printers path = /var/spool/samba create mask = 0700 printable = Yes print ok = Yes browseable = No [print$] comment = Printer Drivers path = /var/lib/samba/printers [max] comment = Privater share von Max path = /media/Main/max read only = No create mask = 0700 [simons] comment = Privater share von Simon path = /media/Main/simon read only = No create mask = 0700 [transfer] comment = Transferlaufwerk path = /media/Main/transfer read only = No create mask = 0755 ---- The files in /media/Main: ------ drwxrwxr-x 17 max max 4096 Oct 4 19:13 max/ drwx------ 5 simon max 4096 Aug 4 15:18 simon/ drwxrwxr-x 7 max transferusers 258048 Oct 1 22:55 transfer/

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• PHP upgrade to 5.3 from 5.2, sessions no longer get stored

  - by Damo

  background link: http://stackoverflow.com/questions/7014945/php-upgrade-5-2-to-5-3-session-issue I have upgraded PHP on my 2008 std server from PHP 5.2 to PHP 5.3. Following the upgrade, sessions no longer work correctly. I have copied over the settings from my PHP.ini files which are applicable and configure new settings in line with the server or PHP's recommendations. PHP executes fine correctly, however session data does not get saved. I have session data stored in c:\temp. For each session created, I can see the session file in this folder. However no information gets written into the session file. Permissions wise, IUSR and EVERYONE has write access to this folder. If I downgrade to PHP 5.2, sessions are saved correctly and the site functions correctly. I have followed advise to ensure my code is optimised. closing session files correctly and forcing a session reset. I'm stumped. session Session Support enabled Registered save handlers files user sqlite Registered serializer handlers php php_binary wddx DirectiveLocal ValueMaster Value session.auto_startOffOff session.bug_compat_42OnOn session.bug_compat_warnOnOn session.cache_expire180180 session.cache_limiternocachenocache session.cookie_domainno valueno value session.cookie_httponlyOffOff session.cookie_lifetime00 session.cookie_path// session.cookie_secureOffOff session.entropy_fileno valueno value session.entropy_length00 session.gc_divisor100100 session.gc_maxlifetime14401440 session.gc_probability11 session.hash_bits_per_character44 session.hash_function00 session.namePHPSESSID53PHPSESSID53 session.referer_checkno valueno value session.save_handlerfilesfiles session.save_path/temp/temp session.serialize_handlerphpphp session.use_cookiesOnOn session.use_only_cookiesOnOn session.use_trans_sid00

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• Legacy non-dpi-aware application resolution scaling?

  - by Miles Erickson

  Our environment prominently featuers an outdated but absolutely mission-critical Win32 application that is not dpi-aware. It is optimized for an 800x600 display. Most of our users now have 17"-20" displays with native resolutions ranging from 1280x1024 to 1680x1050. However, they still operate these displays at 800x600 because the text in this legacy application is otherwise too small. Of course, it also means that nothing quite fits on the screen in Office 2007. Most of our workstations still run Windows XP, but some are on Windows 7 and there are more to come. About one-third of our users run the app remotely via MS Terminal Services, and the remainder run it locally. Is anyone aware of any method that could be used to scale this specific application to about 170%, so that it would fill a 1280x1024 screen, without affecting other applications that work best at the display's native resolution? I know how to do this in Mac OS X, but I have never found a way to do it in Windows. Of course, this ideally would be something that we could push out via Group Policy. I suppose we even could create a custom MSI package to re-deploy the legacy application with some sort of display virtualization layer, if such a thing exists.

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• Implement QoS/Bandwidth Management or Upgrade Bandwidth?

  - by Michael

  A question that I'm faced with currently. Here's my setup: Cisco ASA 5510 15Mbps Internet Connection @ $1350/month The bandwidth was originally meant for 35-45 people but we've grown quite quickly to roughly 60-65 people. Needless to say, when I check bandwidth logs it's almost always spiked at 15Mbps. I did use Wireshark to do some poking around to see what was hogging up our bandwidth but with everything running through CDNs and Cloud Services it proved difficult to get a good grasp of where our bandwidth was going. So the question is do I ONLY implement bandwidth management through ASA OR upgrade the Internet to 50Mbps ($1600/month) and then implement bandwidth management through ASA? Any suggestions on how to segment the 15Mbps connection if we decided ONLY to go with the bandwidth management solution? Thanks. UPDATE 1 Installed PRTG and used packet content to monitor the traffic. As I suspected still pretty vague. My Top Connections include the following: a204-2-160-16.deploy.akamaitechnologies.com ec2-50-16-212-159.compute-1.amazonaws.com a204-2-160-48.deploy.akamaitechnologies.com a72-247-247-133.deploy.akamaitechnologies.com mediaserver-sv5-t1-1.pandora.com Other than the Pandora destination, the rest doesn't tell me much on how to properly control the bandwidth. Any thoughts or suggestions? Thanks. M

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• Problems during an update of cPanel / WHM

  - by haron

  I ordered a Master WHM account with the couple CentOS / cPanel. whm-cpanel.eu.pn The installation is a fresh update of the basic services was necessary (had: WHM 11.15.0 cPanel 11.17.0 WHM X v3.1.0, Apache 1.3.37, PHP 4.4.7, MySQL 4.1.22). 1 / I started to update cPanel / WHM via the command: / scripts / upcp. Everything went well until the middle of installing the server stopped responding (or ping, or ssh). The installation appears to have continued alone to the end and after some time everything is back to normal (I do not know if there was a reboot) and my interface was updated (cPanel 11.24.4-R36167 - WHM 11.24.2 - X 3.9). 2 / Then I updated via the MySQL interface tweak this in WHM then the command: / scripts / mysqlup. Here everything went fine, no problem. 3 / Finally, I wanted to upgrade Apache 2.2 / PHP 5 and I used this command: / scripts / easyapache. After selecting all the packages and modules installation is started but the same as for point 1: the server did not answer more and this time the installation did not go through. Apache 2.2 is well spent (after the second try) but PHP has remained at 4. I tried several times the same operation without success. I do not think this is a memory problem, a free-m shortly before losing communications gave nothing alarming. By cons CPU time seemed to rise up. I reinstalled the machine again the trick, same problem! Whether via the WHM interface or by Shell, the installation stops short, for 15 minutes the machine is not responding and then everything returns to normal, but no update is done in PHP. Is there a known bug in this version of cPanel / WHM? Someone he met the same problem? If I compile Apache / PHP manually, without using the script easyapache is what I might encounter problems with cPanel later? Thank you!

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• Web based KVM management for Ubuntu

  - by Tim

  Hey all, We've got a single Ubuntu 9.10 root server on which we want to run multiple KVM virtual machines. To administer these virtual machines I'd like a web based KVM management tool, but I don't know which one to choose from the list of tools mentioned on linux-kvm.org. I've used virsh & virt-manager on my desktop, but would like a web interface for the server. I tested ConVirt on my desktop, but it failed to pickup KVM machines from virsh / virt-manager, and I could not get KVM virtual machine import to work (only Xen). oVirt looks good, but I can't find out if and how I can install it on Ubuntu 9.10.. (And I'd really rather not waste another few days on testing stuff that might not work in the end.) Can anyone recommend any good web based KVM management tools that are easy to install on Ubuntu 9.10? I'm looking for something that will also allow me to run other services like apache and postgresql besides hosting virtual machines, so preferably fairly lightweight & no dedicated OS installs. We don't need any professional clustering / migration or anything, just something that will let us create, start, inspect, administer & stop virtual machines from a web page. Best regards, Tim

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• Ubuntu virtual memory caches suck up memory

  - by Tom

  Hey all, I've got an Ubuntu 9.10 64-bit server that seems to use up all available memory. According to my munin graphs, almost all of the memory used up is in the swap cache, cache, and slab cache. (I take this to mean virtual memory caches, am I right in assuming this?) Once memory usage approaches 100%, some (although not all) system services such as SSH become sluggish and unresponsive. After rebooting the system, performance and memory usage become normal for a time. Some interesting tidbits: The system runs Apache 2, MySQL, Munin, and sshd. The memory usage spikes happen at the same time every night (at 10 PM sharp.) There appears to be nothing in the crontab for any of the users, and nothing in /etc/cron.d/* out of the ordinary, let alone something that would occur at 10 PM. My question is, how do I figure out what is causing the memory suckage? I've tried the usual utilities (e.g. ps, top, etc) but I can't seem to find anything unusual. Any ideas? Thanks in advance!

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• SuperMicro BMC on OpenSuSE Linux --cannot access from LAN

  - by Kendall

  Hi, I have an (old) SMC-001 IPMI device on an (old) X6DVL-EG2 motherboard. My problem is that I cannot access the BMC from LAN. I'm also getting some interesting output from ipmitool. First, the setup. I enable Console Redirection in the BIOS, turn BIOS Redirection after POSt to "disabled". I then modprobe'ed for ipmi_msghandler, ipmi_devintf and ipmi_si. I then found ipmi0 under /dev. So far so good. Since I want console redirection over serial, I modified /boot/grub/menu.lst: http://pastebin.com/YYJmhusQ I then modified "/etc/inittab" as follows: S1:12345:respawn:/sbin/agetty -L 19200 ttyS1 ansi Networking I set as following, using "ipmitool" ipaddr: 192.168.3.164 netmask: 255.255.255.0 defgw: 192.168.3.1 The above are correct for my environment. To test it I do: ipmitool -I open chassis power off which responds by powering off the machine. When I to access from another computer on the network, however, I get an error message: host# ipmitool -I lanplus -H 192.168.10.164 -U Admin -a chassis power status Error: Unable to establish LAN session Unable to get Chassis Power Status "Admin" seems to be a valid user name: host# ipmitool -I open user list 1 2 Admin true false true USER The interesting output from ipmitool I initially mentioned: host # ipmitool -I open lan set 1 access on Set Channel Access for channel 1 failed: Request data field length limit exceeded Also, newload4:/home/gjones # ipmitool channel info 1 Channel 0x1 info: Channel Medium Type : 802.3 LAN Channel Protocol Type : IPMB-1.0 Session Support : session-less Active Session Count : 0 Protocol Vendor ID : 7154 Get Channel Access (volatile) failed: Request data field length limit exceeded The output of "ipmitool -I open lan print 1" is here: http://pastebin.com/UZyL6yyE Any help/suggestions is greatly appreciated; I've been working with this thing for a few hours now with no success.

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• VSS Post Backup failures for Virtual Server 2005 R2 SP1 virtual machines

  - by califguy4christ

  We've been seeing strange errors with Volume Shadow Copy services on our Virtual Server 2005 R2 SP1 host. It appears to be failing on a strange mountpoint in the C:\WINDOWS\Temp\ folders, which I believe is used by VSS to mount a writeable image file. To summarize: The Microsoft Virtual Server 2005 Writer continually goes into a failed retryable state The Virtual Server log reports errors during the Post Backup phase VSS reports errors backing up a mount point of unknown origins The mount point causes NTFS and ftdisk errors The host is x86 Windows Server 2003 Standard, SP2. The virtual machine is the same. Both use basic disks. Here is the writer state: Writer name: 'Microsoft Virtual Server 2005 Writer' Writer Id: {76afb926-87ad-4a20-a50f-cdc69412ddfc} Writer Instance Id: {78df98e2-bf19-4804-890b-15865efef3bd} State: [11] Failed Last error: Retryable error From the Virtual Server log: Virtual Server - Vss Writer - Event ID: 1035: The VSS writer for Virtual Server failed during the PostBackup phase. The guest shadow copies did not get exposed on the host machine, after mounting all the virtual hard disks of the virtual machine VMACHINE. From the Application log: VSS - None - Event ID: 12290: Volume Shadow Copy Service warning: GetVolumeInformationW( \\?\Volume{fb84bae7-87f5-11dd-9832-001cc4961ca6}\,NULL,0, NULL,NULL,[0x00000000], , 260) == 0x0000045d. hr = 0x00000000. From the System log: Ntfs - Disk - Event ID: 55: The file system structure on the disk is corrupt and unusable. Please run the chkdsk utility on the volume C:\WINDOWS\Temp\ {fb84bae7-87f5-11dd-9832-001cc49.... My current theory is that VSS creates a mount point for an image file of the VHD, then the software panics for some reason, leaving everything in an inconsistent state. Removing the mount point doesn't resolve the problem. All of the other disks check out fine with CHKDSK. There's no exclusion option for VHDs or to turn off online backups. Has anyone seen this kind of thing before or point me in the right direction for getting more information about the mount point and it's origins? I haven't been able to trace what application is creating that mount point.

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• lftp cannot connecto to IIS

  - by ruyrocha

  Hello, I can not connect to IIS using lftp as you can see here: <--- 200 Language is now English, UTF-8 encoding. ---> OPTS UTF8 ON <--- 200 OPTS UTF8 command successful - UTF8 encoding now ON. ---> HOST x.x.x.x <--- 504 Server cannot accept argument. ---> USER bla <--- 331 Password required for hgtrf. ---> PASS blabla <--- 230 User logged in. ---> PWD <--- 257 "/" is current directory. ---> PBSZ 0 <--- 200 PBSZ command successful. ---> PROT P <--- 534 Policy denies SSL. ---> PASV <--- 227 Entering Passive Mode (x.x.x.x,194,118). ---- Connecting data socket to (x.x.x.x) port 49782 **** Socket error (Connection refused) - reconnecting ---> LIST ---> ABOR ---- Closing aborted data socket ---- Closing control socket I could connect, list, retrieve and send files using standard ftp command. Do you have any suggestion?

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• Non-functioning AutoFilter on Locked Cells in Office 2008 - works in Office 2007

  - by Sarcas

  I'm looking into a problem for someone, who works in a mixed OS environment. She has created an Excel spreadsheet in Office 2007 to act as a directory, with AutoFilter turned on for names, email addresses, departments etc. To make sure no one accidentally edits email addresses (for example), she has protected the work sheet. Accessing this worksheet on a PC running Excel 2007, everything runs as you'd expect. You can filter the sheet by any of the auto-filtered columns, and because the sheet is protected, the data integrity is guaranteed. However, if you access the sheet on a Mac running Excel 2008, you can't filter the columns. What's strange here is that the AutoFilter dropdown arrows do appear in each of the column headers as you would expect. It's just that nothing happens if you click on them. If you select one of the column header cells (say, 'First Name') and check the menu: Data-Filter, you can see that AutoFilter is ticked. As another datapoint, you also seem to be able to apply an Advanced filter to these rows on the protected sheets. Does anyone know why this might be? It seems to be a compatibility issue between Excel 2007/2008 (I know the codebase isn't the same), but I can't find any references to it in documentation or forums anywhere, and it would be good to know if there's a way around this. Thanks!

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• VMWare ESX, storage over 2TB

  - by Phliplip

  Hi, First of, i'm a webdeveloper and my server experience lies in setting up FreeBSD servers for webserver. I'm working on a project for at photographer, and i'm hired to develop a new online photo ordering system - where user of course can view their photos :) They have a massive need of storage, thus we have bought a HP G6 and 8x1TB SATA HDD. Our plan is to install VMWare ESX 4.0, running multiple virtual machines; FreeBSD 8 for webserver and some windows servers. Allready done that. Then mount one big storage to the BSD, and share it through Samba to the WinServers. The raid is set up with an array of 2x 1TB to handle the VMs. And the rest is setup as 3 2x1TB to handle the photo-data. Thus 2.73TB for photo-data (the raids are 1+0). Now if we add a datastore in the ESX and add the 3 LUNs we can get a datastore of 2.74TB. But i don't se how i can add this datastore direct to the VM. Only the BSD VM needs access to this. Only way is to create a VirtualDisk, with a max of 2TB (8MB blocksize). This is because the datastore where we save the virtualdisk has a maximum filesize of 2TB. Then add it as a harddisk to the BSD VM. In the 'Add Harddisk' pane for the VM, i see an option for Raw Disk Management. I think this is to access the datastore or the raid directly. Only problem is that its greyed out! Can i access the datastorage directly from the BSD? Without creating and adding virtualdisk.

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• mysql master-master setup as a way to simply master-slave promotion

  - by Chris Go

  I'm trying to see if the following plan is viable. Goal here is to be able to do HA (uptime) and not necessarily for load -- writes are fine on one MySQL 5.5 server (with innodb) but not really possible when the database is down. Currently, I have a master-slave replication setup which works fine except it doesn't have automatic promotion (obviously). what I am planning on doing is setup master-master replication to possibly do this "automatic promotion" using Amazon Route 53 DNS Failover (Health checks). What I am trying to avoid is to NOT have to do the auto-increment trick because the "business folks" got used to the auto-incrementing PK as consecutive numbers (yeah, I know this is bad but data is from 2004). So, setup the master-master replication WITHOUT the auto-increment collision prevention bit. The primary master is db1.domain.com and secondary master is db2.domain.com In Amazon Route 53, setup DNS Failover record for db.domain.com - primary failover is db1.domain.com - with a TCP healthcheck on IP address port 3306 - secondary failover is db2.domain.com - with a TCP healthcheck on IP address port 3306 Most of the time (99%), unless tcp://db1.domain.com:3306 is dead, db1.domain.com will be served up on DNS hits to db.domain.com. In fact, hopefully this is 100%. The possible downsides of this is the loss of a primary key (collision) and I think I am OK with losing one order. We are a low data volume B2B business and can just call our client up if this occurs (like an order disappearing). Does this sound like a good plan? Then I will also run another slave replication on db1.domain.com as "master" to a slave-db1.domain.com -- not sure why, maybe for heavy SELECTs?

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