Ramblings of a Sysadmin
Some times little nuggets can make your day. Yes its the simple things that can make you smile special when its a 1 liner that could of been a bit of pain. Grep is one of the tools I would use more than any other and today found a neat trick that allows you to …
Read More Bash Remove Lines From a File Matching Another FileOne of the things I love about exim is the exigrep tool which is a multi-line grepping tool designed for the exim log output. Now unfortunately Postfix does not have any tool like this build in. Although I would like to take credit for this there has already been a script created which comes close …
Read More Postfix – exigrep style log grepingThis is mostly just for my own quick reference for common usages Sysdig is well its best sumed up on their site http://www.sysdig.org/ Sysdig is open source, system-level exploration: capture system state and activity from a running Linux instance, then save, filter and analyze. Sysdig is scriptable in Lua and includes a command line interface …
Read More Sysdig CheatsheetThis 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. …
Read More Exim CheatsheetQNAP devices seem to be a little buggy when there has been a problem a drive and the tftp service is enabled. When trying to run a “Check Now” under Volume Management get the following error: examination failed(Cannot unmount disk) 2 Options I have used to resolve this in the past: NB: Some times a …
Read More QNAP examination failed(Cannot unmount disk)