Paul's Tech Blog

For video files that come in part, use ffmpeg to merge them into 1 file Eg: part1.mp4, part2.mp4, part3.mp4 Create a concat file - list.txt ...

 Set server up so user can log in with an ssh key or Google authenticator (won't need both).  If a user doesn't have key access setu...

This expands a LV used as a virtual disk inside a virtual machine. First expand the LV on the hypervisor # lvextend -L500g /dev/vg_guests/lv...

 2 Disk array, /dev/sda & /dev/sdc where /dev/sdc has failed. Mark disk as failed  # mdadm --manage /dev/md0 --fail /dev/sdc1 Remove d...

 Access to some system logs in /var/log is restricted to root only.  Here's a handy way to grant access read-only access to all system...