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  • Celery - minimize memory consuption

    - by Andrew
    We have ~300 celeryd processes running under Ubuntu 10.4 64-bit , in idle every process takes ~19mb RES, ~174mb VIRT, thus - it's around 6GB of RAM in idle for all processes. In active state - process takes up to 100mb of RES and ~300mb VIRT Every process uses minidom(xml files are < 500kb, simple structure) and urllib. Quetions is - how can we decrease RAM consuption - at least for idle workers, probably some celery or python options may help? How to determine which part takes most of memory?

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  • Enforce user time restrictions to log out or off from Windows 7

    - by javamonkey79
    How can I limit the time spent on the computer or force a log out from a Windows 7 machine? I used to use Windows Steady State to limit users (kids) from being on too long but SteadyState does not work with Windows 7 Home Premium and is discontinued. Is there a way to set this up in Windows 7 where it will kick off a user after a set time? Or perhaps there's an alternative program that can help limit the time one user is at the computer.

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  • Sharing VirtualBox snapshots

    - by JesperE
    Is it possible to "share" a VirtualBox snapshot? I have a "baseline" VirtualBox machine, and I would like to be able to take a snapshot, and send it to another user which has the same baseline machine. The scenario is that the baseline machine is used for testing, and I want to allow testers to create snapshots which describe a certain system state, and send that snapshot to developers to further examination. EDIT: To clarify, I would like to be able to export snapshots "incrementally" without having to export the entire machine as an appliance.

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  • Create kickstart configuration file from existing configuration.

    - by ÜMineiro
    Is there a script or another way to automatically generate a kickstart configuration file from the system state of an existing server so that the file can be use to replicate (not clone) the configuration of the system in another install? I know that the anaconda-ks.cfg file is stored on the /root dir. but the system in question have been extensively changed since it's installation, and the file is of no use now.

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  • SQL Server: how to check securables

    - by jrara
    I would like to make a t-sql query to check which logins have 'view server state' permission in server type securables. How to achieve this? This query from mssqltips don't show this: http://www.mssqltips.com/tip.asp?tip=1718 SELECT prin.[name] [User], sec.state_desc + ' ' + sec.permission_name [Permission] FROM [sys].[database_permissions] sec JOIN [sys].[database_principals] prin ON sec.[grantee_principal_id] = prin.[principal_id] WHERE sec.class = 0 ORDER BY [User], [Permission];

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  • Monitor total service uptime using Icinga

    - by dhh
    I am using Icinga (Nagios fork) for monitoring ~10 webservers, each one providing different services. I would now like to provide an aggregated view on the server states on our companies intranet, providing information like: server | state | last downtime | Ø uptime (month) | Ø uptime (year) Srv1 | OK | 2013-10-09 | 99,5% | 99,8 % Srv2 | ERROR | 2013-10-31 | 73,1% | 85,4 % Is there a possibility to get those values from icinga?

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  • System Centre Essentials 2007 Clients Losing Status

    - by David Collie
    Clients that have been reporting their state fine suddenly start reporting "Windows 0.0" for their OS and "Not yet contacted" for their Last Contacted date even though previously these values were present and correct. Any idea why this might be happening? I've spend a long time playing with wsauclt etc and just when I think I've the problem it comes back again! Thanks.

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  • Strange Ubuntu linux boot behaviour

    - by Slartibartfast
    I've recently installed Ubuntu 9.10 on a desktop machine as the only OS. If put in a hibernate, it wakes up normally, but if turned of completely, after turning on there is no "beep" sound from BIOS and HD lamp blinks for a while then stops. When I hit reset in that state, it bots normally. What is going on and how could I fix it?

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  • Opsview Notifications, how to report event duration

    - by dotwaffle
    At present, Opsview reports recoveries in the following format: RECOVERY: Internal Alarm is OK on host Ellie: SNMP OK - 0 Service: Internal Alarm Host: Ellie Alias: Ellie Address: 1.2.3.4 State: OK Comment: () Date/Time: Mon Oct 5 14:57:53 BST 2009 Additional Info: SNMP OK - 0 What I would ideally like to do is add a "duration" field, so that you can tell without scrolling back on a Blackberry how long the event has been at fault for. Is there an easy solution to this?

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  • Firefox: Where does firefox store the opened windows/tabs/urls on Crash for Restoring?

    - by jens
    Hello in which location and file does firefox save, the last windows I had opened (when firefox crashed). I have a complete "hot dump" copy of a file system and need to restore the state firefox was when the system crasehd but I cant not restore the full backupitself. I can only extract the files of firefox, but I do not know in which files i have to search for the urls that were last opened when the snapshop of the whole filesystem was done. thanks!!!

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  • Raid1 with active and spare partition

    - by Daniel Baron
    I am having the following problem with a RAID1 software raid partition on my Ubuntu system (10.04 LTS, 2.6.32-24-server in case it matters). One of my disks (sdb5) reported I/O errors and was therefore marked faulty in the array. The array was then degraded with one active device. Hence, I replaced the harddisk, cloned the partition table and added all new partitions to my raid arrays. After syncing all partitions ended up fine, having 2 active devices - except one of them. The partition which reported the faulty disk before, however, did not include the new partition as an active device but as a spare disk: md3 : active raid1 sdb5[2] sda5[1] 4881344 blocks [2/1] [_U] A detailed look reveals: root@server:~# mdadm --detail /dev/md3 [...] Number Major Minor RaidDevice State 2 8 21 0 spare rebuilding /dev/sdb5 1 8 5 1 active sync /dev/sda5 So here is the question: How do I tell my raid to turn the spare disk into an active one? And why has it been added as a spare device? Recreating or reassembling the array is not an option, because it is my root partition. And I can not find any hints to that subject in the Software Raid HOWTO. Any help would be appreciated. Current Solution I found a solution to my problem, but I am not sure that this is the actual way to do it. Having a closer look at my raid I found that sdb5 was always listed as a spare device: mdadm --examine /dev/sdb5 [...] Number Major Minor RaidDevice State this 2 8 21 2 spare /dev/sdb5 0 0 0 0 0 removed 1 1 8 5 1 active sync /dev/sda5 2 2 8 21 2 spare /dev/sdb5 so readding the device sdb5 to the array md3 always ended up in adding the device as a spare. Finally I just recreated the array mdadm --create /dev/md3 --level=1 -n2 -x0 /dev/sda5 /dev/sdb5 which worked. But the question remains open for me: Is there a better way to manipulate the summaries in the superblock and to tell the array to turn sdb5 from a spare disk to an active disk? I am still curious for an answer.

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  • How to I alias a hostname?

    - by Jonas Byström
    Is it possible to keep a network alias - without specifying the IP address in the hosts file? For instance, I have abcd.efgh.com but want abcd -> abcd.efgh.com so that ping and ssh work as they normally would. I want it to work with dynamic IP on abcd.efgh.com, that's why I don't want to state the IP address explicitly.

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  • Ubuntu home directory selectively reverting

    - by Zurahn
    This is perhaps the most bizarre problem I've ever come across, but my home directory in Ubuntu 9.10 seems to be occasionally reverting to a previous state. For example, I'll change a setting in Opera (whose settings folder is in my home directory), then upon subsequent restart, may or may not have reset to what it was previously. This happens with all programs with settings in the home directory. I have the Kubuntu desktop downloaded as well, so I am using KDE4. Any ideas?

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  • Nagios Availability Report plotting in Graphite

    - by Roman Zenka
    I would like to plot my Nagios availability reports over time. Does anyone know a plugin that would do so? I found 'graphios' at https://github.com/shawn-sterling/graphios that would plot extra data provided by plugins. What I need instead is a plugin that would plot information such as: 'the service was in ERROR state 0.5% of the time last week, while the week before it was 1%'. This would be useful for knowing whether the overall stability is getting better.

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  • Tape vs SSDs backups regarding long-term storage reliability

    - by user66131
    My question is very specifically about solid state drives, not regular hard drives. I would like to put in place a grandfather-father-son backup scheme, with the SSDs being used for the grandfather and father portions, and the yearly grandfather would be locked in a safe offsite for maybe 5-10 years. Can I expect that after this period of time the data would be preserved as well as it would be on a tape?

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  • Creating CLR Assembly in SQLServer 2005

    - by jangwenyi
    I am getting the following error message when I try install my .NET assembly int SqlServer 2005. My .NET assembly references 'ChilkatDotNet2.dll' assembly. Msg 6544, Level 16, State 1, Line 1 CREATE ASSEMBLY for assembly 'myassembly' failed because assembly 'chilkatdotnet2' is malformed or not a pure .NET assembly. Unverifiable PE Header/native stub. Any ideas how to resolve, workaround?

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  • Puppet and launchd services?

    - by Joel Westberg
    We have a production environment configured with Puppet, and want to be able to set up a similar environment on our development machines: a mix of Red Hats, Ubuntus and OSX. As might be expected, OSX is the odd man out here, and sadly, I'm having a lot of trouble with getting this to work. My first attempt was using macports, using the following declaration: package { 'rabbitmq-server': ensure => installed, provider => macports, } but this, sadly, generates the following error: Error: /Stage[main]/Rabbitmq/Package[rabbitmq-server]: Could not evaluate: Execution of '/opt/local/bin/port -q installed rabbitmq-server' returned 1: usage: cut -b list [-n] [file ...] cut -c list [file ...] cut -f list [-s] [-d delim] [file ...] while executing "exec dscl -q . -read /Users/$env(SUDO_USER) NFSHomeDirectory | cut -d ' ' -f 2" (procedure "mportinit" line 95) invoked from within "mportinit ui_options global_options global_variations" Next up, I figured I'd give homebrew a try. There is no package provider available by default, but puppet-homebrew seemed promising. Here, I got much farther, and actually managed to get the install to work. package { 'rabbitmq': ensure => installed, provider => brew, } file { "plist": path => "/Library/LaunchDaemons/homebrew.mxcl.rabbitmq.plist", source => "/usr/local/opt/rabbitmq/homebrew.mxcl.rabbitmq.plist", ensure => present, owner => root, group => wheel, mode => 0644, } service { "homebrew.mxcl.rabbitmq": enable => true, ensure => running, provider => "launchd", require => [ File["/Library/LaunchDaemons/homebrew.mxcl.rabbitmq.plist"] ], } Here, I don't get any error. But RabbitMQ doesn't start either (as it does if I do a manual load with launchctl) [... snip ...] Debug: Executing '/bin/launchctl list' Debug: Executing '/usr/bin/plutil -convert xml1 -o /dev/stdout /Library/LaunchDaemons/homebrew.mxcl.rabbitmq.plist' Debug: Executing '/usr/bin/plutil -convert xml1 -o /dev/stdout /var/db/launchd.db/com.apple.launchd/overrides.plist' Debug: /Schedule[weekly]: Skipping device resources because running on a host Debug: /Schedule[puppet]: Skipping device resources because running on a host Debug: Finishing transaction 2248294820 Debug: Storing state Debug: Stored state in 0.01 seconds Finished catalog run in 25.90 seconds What am I doing wrong?

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  • What is the best way to secure MySQL data on a laptop *without* whole-disk-encryption?

    - by GJ
    I need to have the mysql data on my laptop stored in an encrypted state so that in case of the laptop being lost/stolen it will extremely difficult to recover the data without the password. I don't wish to use whole disk encryption, due to the performance impact it will have on other disk-intensive programs' usage. What could be the ideal solution for me balancing security and performance? Thanks!

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  • PDF form (not) saving

    - by gregseth
    Hi, I've created a form in a PDF with Adobe Acrobat Pro. When empy, I want to use it as a template which the user opens, fills in, and saves as a copy to preserve the blank state of the template. Here's the trick : I found both ways to make the document read only - the user can't save the form value, only print them make the document writeable, but in this case the document acting as a template can be modified too. Any ideas? Thanks.

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  • rsync & rdiff backup combination giving erros

    - by Maikel van Leeuwen
    On the server I'm making every day a backup with rdiff-backup like: rdiff-backup /home/ /backup/home Then every week I want to make a rsync backup offside with sshfs like: rsync -avz /home/server/backup/home /backup/server-home/ This is giving me the following errors: Fatal Error: Previous backup to /backup/server-home/. seems to have failed. Rerun rdiff-backup with --check-destination-dir option to revert directory to state before unsuccessful session. Does anybody have a good solution to deal with this errors/situation? *2x edit for typo's

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  • Google Chrome doesn't keep my "allow all cookies" setting

    - by jldupont
    It seems that Google Chrome doesn't keep my "allow all cookies" settings (dev 5.0.322.2) anymore. Google's sites keep on showing: Your browser's cookie functionality is turned off. Please turn it on. [?] but every I perform the prescribed steps, Chrome doesn't keep the configuration! update: I've deleted ~/.config/google-chrome/Default/Preferences and restarted with a clean state. Now it seems to work.

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