How to set metric in OS moderated with NetworkManager
Ubuntu 20.04 desktop is using NetworkManager. Here is how to change the metric on CLI.
Change Snaps Installation and Data Directories
The problem is snaps packages is using the folders /var/lib/snapd and /var/snap by default. It may eat root space if we install too many packages. We can use mount --bind to move them to a big disk or partition.
The original script is from https://askubuntu.com/questions/1029562/move-snap-packages-to-another-location-directory
Fix MobaXterm X11 proxy Unsupported authorisation protocol
The error happened when I use sudo virt-manager.
Ubuntu rename account
sudo usermod -md /home/NewHome -l NewName OldName
sudo groupmod -n NewGroupName OldGroupName
Sync a fork of a repository to keep it up-to-date with the upstream repository
- Configuring a remote for a fork
X11Forwarding via SSH
On Xwindow server (e.g. Ubuntu Desktop):
USB Mount on Ubuntu 18
NOTE: To mount usb drive in fstab is better. See Mount USB Drive Automatically on Ubuntu
Change Swap Size on Ubuntu 18
From Ubuntu 17, the swap partition has been changed as img file. It makes it easy to reszie the swap partition.
Mouse cursor in KVM guest
Problem
On windows guest, the mouse movement is a bit jerky.
JavaFx VM Parameters
Java FX is a standalone package after Java 8. To run Java FX application, we must add VM parameters as below.