VMWare is a leading (if not the leading) virtualization solution. Unfortunately, it is also proprietary software, which means that distributions tend not to care too much about it (and in my opinion, rightfully so!). My employer is one such company that uses VMWare, and it recently instituted a policy that all VMs must have VMWare … Continue reading Running Ubuntu in VMWare →

Often times, I only want a script to run one instance at a time. For example, if the the script is copying files, or rsync’ing between systems, it can be disastrous to have two instances running concurrently, and this situation is definitely possible if you run the script from cron. I figured out a simple … Continue reading One instance at a time with PID file in Bash →