Ramblings of a Sysadmin
Bash Scripts – Useful little tips and hints
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 grepingEver needed to move a email account from one server to another and all you have is the login name and password for the mail account. Whether it be cPanel to Zimbra, cPanel to cPanel, Plesk to cPanel or just to backup your Gmail account this great program has saved me a few times now. imapsync …
Read More Migrating Email Between IMAP Servers with ImapsyncIn Linux adding a lock file to a bash script I would say is a must. To often does the simplest of things turn into a major issue. A very basic way of adding a lockfile to your bash script is like this. #!/bin/bash – LOCK_FILE=”/tmp/iama.lockfile” if [ ! -e $LOCK_FILE ]; then touch $LOCK_FILE #Add some command …
Read More Bash Scripting – How to add a lockfile