If your system is using netplan for network configuration, change settings in “/etc/netplan/50-cloud-init.yaml”: DHCP: jonas@kube-c1-n3:~$ cat /etc/netplan/50-cloud-init.yaml network: etherne...

If one disconnects an external monitor / projector the Atom editor window has a tendency to show up outside of the screen boundaries – just as if the external monitor was still attached. It took a ...

Add the following line at the end of /etc/sudoers (just after “#includedir /etc/sudoers.d”): username ALL=(ALL) NOPASSWD: ALL In my case: #includedir /etc/sudoers.d jonas ALL=(ALL) NOPASSWD: ALL

jonas@yggdrasil:~$ sudo swapon --show NAME TYPE SIZE USED PRIO /dev/dm-2 partition 11.9G 0B -1 jonas@yggdrasil:~$ jonas@yggdrasil:~$ sudo free -m total used ...

To use ipmitool with iDRAC, make sure “-I lanplus” is included in the command: ipmitool -H idrac-ip -U root -P calvin -I lanplus sdr list

Handy way to wipe a USB drive in Linux using dd and /dev/urandom: jonas@yggdrasil:~$ sudo dd if=/dev/urandom of=/dev/sdc bs=4k dd: error writing '/dev/sdc': No space left on device 15163393+0 reco...

Add current user to the “docker” group: sudo usermod -aG docker ${USER} Create a new shell or open new terminal for the change to take effect.

Add repo: sudo add-apt-repository ppa:doctormo/wacom-plus Remove repo: sudo add-apt-repository -r ppa:doctormo/wacom-plus

Summary Enabling certificate login on iDRAC makes it possible to run commands quickly and across many servers. It can be extremely useful in many cases. This post will show how to enable certifica...