Ubuntu setup 2023

Recently, I receive a computer for my school lab. Previously, I have been work on Ubuntu 20.04 for several years. This is a great opportunity to change the workflow to Ubuntu 22.04.

Theme

• Gnome Tweak
• Extension manager

Extensions

• User theme
  • https://github.com/vinceliuice/WhiteSur-gtk-theme
  • icon: ubuntu
  • background: spanned (for dual monitor)
• Dash-to-panel
• Blur-my-shell
• Desktop Clock

Application

• ibus-chewing
  • ref：ubuntu 22.04安裝新酷音輸入法(chewing)
• Obsidian.md
• Vscode
• Telegram
• Zotero

sudo apt update
sudo apt install git tmux htop

ssh

sudo apt-get install ssh openssh-server openssh-client

sudo systemctl enable ssh

ssh-keygen

Zsh

sudo apt install zsh

• Oh-my-zsh
  • theme: p10k
    zsh setup

Python environment

miniconda

Screenshot shorcut

sudo apt install gnome-screenshot
sudo apt install xclip

gnome-screenshot -a -c --file=/tmp/screenshot_tmp.png

• --area, --clipboard
• it seems it have to save as a file to copy to clipboard （ref：GNOME Screenshot can't copy to clipboard in Ubuntu 18.04）

Docker

• https://docs.docker.com/engine/install/ubuntu/
• Docker-compose
  • https://docs.docker.com/compose/install/linux/#install-the-plugin-manually

Performance issue

• I guess Ubuntu 22.04 with gnome have some performance issue that may casue frame drop

Solution A

• Update Gnome 42 to newest version

sudo apt install ubuntu-gnome-desktop

Solution B

• Ubuntu 22.04 Runs Very Slow And The Solutions
• Solution 2. Disable "iommu" feature sudo nano /etc/default/grub

Solution 3. Disabling Thermald

sudo systemctl stop thermald  
sudo systemctl disable thermald  
sudo reboot