Linux and Unix cheatsheet
AIX compression with TAR, COMPRESS, GZIP, ZCAT
tar tar in AIX by default does not support compression. You will need to incorporate with gzip command to have it tar and compress at the...
Linux Netfilter tweaks for High traffic servers
If you are serving a high traffic web/DNS server, and recently having PING loss to the server and not all HTTP request were successful to i...
PMTU (Path MTU) Discovery
Summary Internet computers, mostly servers, sometimes send packets too large for part of a given path. Not handling this correctly can m...
what to do when you got a PURPLE SCREEN on the ESX?
A screenshot or photograph of the purple diagnostic screen on the console.
A coredump from the VMkernel placed on disk or sent to the ESXi Dump Collector service. (normally on /var/core)
log bundle from the host following a reboot.
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