The following script allows you to update your /etc/hosts file in a regular interval. By configuring a hostname and list of IPs, you can distribute requests to several hosts over time automatically. All you have to do is configure this script, add it to your crontab file, and point your application or script to the configured hostname. In… Read More »
The following solution shows how you can query two tables in a DB2 database for user IDs that have a password older than 90 days and are in the “LOCKED” group. We will need to join the tables but a simple JOIN won’t do as we get may rows for the same user. This is due to group membership… Read More »
Frequently found myself needing a way to remotely boot into Windows from a Ubuntu dual-boot machine. Looking at grub.cfg, I found there was only one “windows” option, so the following command allowed me to remotely boot into that partition via command line: sudo grub-reboot “$(grep -i ‘windows’ /boot/grub/grub.cfg|cut -d”‘” -f2)” && sudo reboot You can create a shell… Read More »
The linux shell script below comes in quite handy when you need to delete all folders that start with a number in a path that contains other folders you don’t want to remove. The script contains some logic to only run as root and stop/start a service if needed. Also, I’ve included a sample crontab line to run… Read More »