Administration

LVM Management

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http://serverfault.com/questions/28989/fdisk-l-like-list-of-partitions-and-their-types-for-lvm-logical-volumes http://www.howtogeek.com/howto/40702/how-to-manage-and-use-lvm-logical-volume-management-in-ubuntu/ The fdisk shows a 256GB Drive. 50GB on root and the question is how to resize up to the 256GB drive for more space. You can learn information about the volume group itself with ‘lvdisplay’, ‘vgscan’, ‘lvs’ and ‘vgdisplay’. LVS Both drives are in an LVM configuration. This allows you to create logical … Read more

Check inode usage

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How to check inode usage By the way, if you’re looking for the directories that contain lots of files, this script may help: Also… Try to find if this is an inodes problem with: Try to find root folders with large inodes count: Try to find specific folders:

Strace

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General examples: http://www.thegeekstuff.com/2011/11/strace-examples/ Some more real-world: http://www.rrsoft.co/2013/12/09/using-strace-and-lsof-to-track-down-process-hangs-2/

Unable to lookup SID for name “user”: (1332) No mapping between account names and security IDs was done.

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Hi, while re configuring a domain in plesk windows then solution is below: 1. Start> Run > cmd> 2.C:\net user geeksupp /add 3. C:\net localgroup psacln geeksupp /add 4. servermanager > configuration > Local users and Groups > user > properties > Add Local Path  to “C:\inetpub\vhosts\geek4support.com”. Replace your username and domainname.

Set up mailman on CentOS 6.6

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Here is how to install the mailman mailing list on CentOS 6.6. Install Mailman via yum: Next, edit its Apache configuration file: Uncomment the redirect parameter and enter the correct domain name. Set the site master password: This password can be used to access any list or any page. Edit the Mailman configuration file: The … Read more

Hard Drive shows 100% after removing files

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Still at 100% disk usage after deleting files? Deleting file won’t free the space until you delete the processes that have open handles against that file. Nevertheless, you can reclaim the space. All you need to do is to remove the file descriptors. First execute lsof | grep deleted to identify the process holding the file.

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