Monthly Archives: May 2014

Linux top command

a: PID — Process Id The task’s unique process ID, which periodically wraps, though never restarting at zero. b: PPID — Parent Process Pid The process ID of a task’s parent. c: RUSER — Real User Name The real user … Continue reading

Posted in Linux | Leave a comment

top command – VIRT, RES, and SHR explained

VIRT stands for the virtual size of a process, which is the sum of memory it is actually using, memory it has mapped into itself (for instance the video card’s RAM for the X server), files on disk that have … Continue reading

Posted in Linux | Leave a comment

Yum – update all except kernel

yum –exclude=kernel* update or add exclude=kernel* in /etc/yum.conf

Posted in Linux | Leave a comment

Stuck mail in Outbox – Powershall Exchange 2010

Check all mailboxes with “stuck” e-mails in Outbox: Get-Mailbox -OrganizationalUnit ‘ resources’ | Get-MailboxFolderStatistics -FolderScope Outbox | ft identity,name,itemsinfolder -AutoSize Script for getting all mailboxes with items more than 0 in Outbox: Get-Mailbox -resultsize unlimited| Get-MailboxFolderStatistics -FolderScope Outbox | where … Continue reading

Posted in Exchange | Leave a comment