Category: Centos

Exim Cheatsheet

This is mostly just for my own reference in case the main site drops but has some of my own options and figured other people will find it useful as well Thanks to Brad The mad for the source – http://bradthemad.org/tech/notes/exim_cheatsheet.php   Here are some useful things to know for managing an Exim 4 server. …

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Mdadm Cheat Sheet

Mdadm is the modern tool most Linux distributions use these days to manage software RAID arrays. Some common usages of mdadm to manage software raid arrays   Verifying the status of the RAID arrays Checking the status/health of an RAID (also useful for checking a RAID is rebluilding): cat /proc/mdstat or mdadm –detail /dev/md0 Create …

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