“sed” commands are for fresh start only

if you changed the target file before, use an editor

sudo NOPASSWD (dangerously fast root privilege)

sudo visudo

add line (replace USER with current username)

USER    ALL=(ALL)   NOPASSWD:ALL

save and exit

on client side, generate SSH key pair for the first time

ssh-keygen

on client side, send public key

ssh-copy-id user@hostname

set hostname (if allowed to)

WSL copies Windows hostname at every boot-up

backup

sudo cp /etc/hostname /etc/hostname.backup

set new hostname

sudo nano /etc/hostname

reboot (later) to update the hostname

switch apt archive sources

replace OLD_SOURCE with xx.archive.ubuntu.com found in the /etc/apt/sources.list

replace NEW_SOURCE with mirrors.XXX.XXX find yours here

sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup

open vim

sudo vim /etc/apt/sources.list

in vim

:%s/OLD_SOURCE/NEW_SOURCE/g
:x

upgrade packages

sudo apt update && sudo apt upgrade -y

shell setup

install zsh, curl, and git

sudo apt install zsh curl git -y

set zsh as the default shell

chsh -s /bin/zsh

install oh-my-zsh (Gitee replca in China)

sh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"

install p10k (and Font)

git clone --depth=1 https://github.com/romkatv/powerlevel10k.git ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/themes/powerlevel10k

set ZSH_THEME="powerlevel10k/powerlevel10k" in ~/.zshrc

install zsh-autosuggestions & zsh-syntax-highlighting

git clone --depth=1 https://github.com/zsh-users/zsh-autosuggestions.git $ZSH_CUSTOM/plugins/zsh-autosuggestions
git clone --depth=1 https://github.com/zsh-users/zsh-syntax-highlighting.git $ZSH_CUSTOM/plugins/zsh-syntax-highlighting
sed -e s/"plugins=(git)"/"plugins=(git zsh-autosuggestions zsh-syntax-highlighting)"/g ~/.zshrc -i

git setup

check config

git config -l

add username and email

replace GITHUB_FULLNAME with the GitHub FULL NAME at GitHub -> Account settings -> Profile -> Public profile -> Name, but NOT the login username

replace RANDOMNUMBER+GITHUBNAME@users.noreply.github.com with the real email address or check GitHub -> Account settings -> Emails -> Keep my email addresses private and replace it with the email address below

git config --global user.name "GITHUB_FULLNAME"
git config --global user.email "RANDOMNUMBER+GITHUBNAME@users.noreply.github.com"

they will be in every git commit

setup ssh key

hyper-v resolution (if using hyper-v)

sudo nano /etc/default/grub

edit one line

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash video=hyperv_fb:1920x1080"

generate config file and reboot

sudo update-grub
reboot

WSL2 env

add Windows IP address (if WSL2 doesn’t access Windows via localhost yet)

export WSL_HOST=$(cat /etc/resolv.conf | grep -oP '(?<=nameserver\ ).*')

add browser to env

export BROWSER="/mnt/c/Program Files (x86)/Google/Chrome/Application/chrome.exe"

if you work with Jupyter Notebook

jupyter notebook --generate-config
sed -i "s/# c.NotebookApp.use_redirect_file = True/c.NotebookApp.use_redirect_file = False/g" ~/.jupyter/jupyter_notebook_config.py

if you work with Jupyter Lab

jupyter lab --generate-config
sed -i "s/# c.NotebookApp.use_redirect_file = True/c.NotebookApp.use_redirect_file = False/g" ~/.jupyter/jupyter_lab_config.py

system time: dual boot with Windows

Ubuntu

timedatectl set-local-rtc 1 --adjust-system-clock

OR Win64

Reg add HKLM\SYSTEM\CurrentControlSet\Control\TimeZoneInformation /v RealTimeIsUniversal /t REG_QWORD /d 1

OR Win32

Reg add HKLM\SYSTEM\CurrentControlSet\Control\TimeZoneInformation /v RealTimeIsUniversal /t REG_DWORD /d 1

*issue this repo on anything outdate