The system monitor and calculator apps are installed with snap in Ubuntu 18.04 and from time to time you might find you won't be able to open these apps. To…
Calculator and System monitor won't open Ubuntu 18.04
Change shell Ubuntu
Sometimes you might create a new user without specifiying the necessary arguments, resulting the shell for that user being something other than the default bash shell you're used. This often…
GTX 1050Ti working perfectly on Dell XPS 9570
After countless hours of trying to resolve issues with screen flickering and a host of other graphics issues, I finally managed to get the graphics working correctly with the GTX…
Replacing failed disk/OSD in Ceph
There are quite a few guides out there on how to do what I'd consider a pretty essential part of manager a Ceph storage cluster, yet the ones I came…
Shift Gnome application icon to top Ubuntu
To shift the application launcher icon to the top by issuing the following command: gsettings set org.gnome.shell.extensions.dash-to-dock show-apps-at-top true To show the icon at the bottom of the application bar…
Ceph map OSD to disk/drive serial number
A handy little script to output which Ceph OSD it mapped to which drive serial number: #!/bin/bash DISKS=`ceph-disk list | grep "ceph data"` old_IFS=$IFS IFS=$'n' #echo $DISKS for DISK in…
Ubuntu manual partition installation
From time to time you might need to create partitions manually in order to install Ubuntu on a specific hard drive in a multi-drive PC. Get started by deleting all…
Reload html, css and js without restarting app Spring
When working on the frontend for Spring web apps, you will probably have come across an issue where you'll need to reload the app each time you change one line…
Completely uninstall Nginx Ubuntu
To completely uninstall Nginx on Ubuntu (including all config files), you can run the following command: sudo apt-get purge nginx nginx-common
Install Let's Encrypt for Apache
Start by enabling the Certbot repository: sudo add-apt-repository ppa:certbot/certbot Next, update the package list: sudo apt update Next, install the Certbot Apache package: sudo apt install python-certbot-apache Finally, obtain the…









