Zsh & Oh-My-Zsh

🔗 Zsh

🔗 Oh My Zsh

🔗 Zsh for Humans

sudo apt install -y zsh fonts-powerline eza git-all
sudo chsh -s $(which zsh) $(whoami)

zsh

• If eza does not install via apt, install it manually

sudo sh -c '
apt update &&
apt install -y gpg &&
mkdir -p /usr/share/keyrings &&
wget -qO- https://raw.githubusercontent.com/eza-community/eza/main/deb.asc | gpg --dearmor -o /usr/share/keyrings/gierens.gpg &&
echo "deb [arch=amd64 signed-by=/usr/share/keyrings/gierens.gpg] http://deb.gierens.de stable main" | tee /etc/apt/sources.list.d/gierens.list &&
chmod 644 /usr/share/keyrings/gierens.gpg /etc/apt/sources.list.d/gierens.list &&
apt update &&
apt install -y eza
'

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OhMyZsh

sh -c "$(wget -O- https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"

# Confirm with y to chage the default shell to zsh

Install the desired plugins and themes.

# Auto-suggestions
git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions

# Syntax highlighting
git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting

# Powerlevek10k Theme
git clone --depth=1 https://github.com/romkatv/powerlevel10k.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/themes/powerlevel10k

zshrc

Edit the $HOME/.zshrc

• Change the Zsh theme to use Powerlevel10k, add or update plugins to include additional Zsh plugins and add some lines before the source .*oh-my-zsh.sh command for additional configuration

ZSHRC="$HOME/.zshrc"

# Set the new theme
sed -i 's/^ZSH_THEME=.*/ZSH_THEME="powerlevel10k\/powerlevel10k"/' "$ZSHRC"

# Replace the plugins line with the new plugins
sed -i '/^plugins=/ { s/=.*/=(command-not-found kubectl zsh-autosuggestions zsh-syntax-highlighting)/; }' "$ZSHRC"

# Add additional lines before sourcing oh-my-zsh
sed -i '/^source .*oh-my-zsh.sh/ i \
# Fix errors\
ZSH_DISABLE_COMPFIX="true"\n\
\
# Skip all aliases in lib files\
zstyle '\'' :omz:lib:* '\'' aliases no\n' "$ZSHRC"

• Check the file and restart zsh to apply the changes and configure Powerlevel10k Theme.

zsh

EXTRA

Set the same ohmyzsh config for the root user by symlinking the current user's zsh configuration.

ROOTUSER=root
USER_HOME_PATH=~$ROOTUSER

sudo mv ${USER_HOME_PATH}/.zshrc ${USER_HOME_PATH}/.zshrc.bak
sudo ln -sf $HOME/.zshrc ${USER_HOME_PATH}/.zshrc
sudo ln -sf $HOME/.oh-my-zsh ${USER_HOME_PATH}/.oh-my-zsh
sudo ln -sf $HOME/.p10k.zsh ${USER_HOME_PATH}/.p10k.zsh
sudo chsh -s $(which zsh) $ROOTUSER

aliases

Set Custom Aliases.

# e.g. of my custom aliases

sudo tee $ZSH_CUSTOM/aliases.zsh > /dev/null <<EOF
# Alias to update the system
alias updateos='sudo sh -c "sudo apt update && sudo apt -y upgrade && sudo apt -y autoremove"'

# OpenVpn Aliases
alias htbvpn='sudo openvpn --config ~/htb/htb.ovpn --daemon'        # HTB FREE VPN
alias htbvipvpn='sudo openvpn --config ~/htb/htbvip.ovpn --daemon'  # HTB VIP VPN
alias thmvpn='sudo openvpn --config ~/thm/thm.ovpn --daemon'
alias pwnxvpn='sudo openvpn --config ~/pwnx/pwnx.ovpn --daemon'
alias killopenvpn='sudo pkill openvpn'

# Additional Aliases
alias clipcopy='xclip -selection clipboard'
alias df='df -h'
alias diff='diff --color=auto'
alias dir='dir --color=auto'
alias egrep='egrep --color=auto'
alias fgrep='fgrep --color=auto'
alias grep='grep --color=auto'
alias h='history -100 -1'
alias history=omz_history
alias hl='history | less'
alias hs='history | grep'
alias hsi='history | grep -i'
alias hz=omz_history
alias ipa='ip -br -c a'
alias l='eza -lah'
alias la='ls -A'
alias ll='l -T'
alias ls='ls -lh --color=auto'
alias mobsf='docker run -it --rm --name mobsf -p 8000:8000 -v ~/docker/mobsf:/home/mobsf/.MobSF opensecurity/mobile-security-framework-mobsf:latest'
alias p3='python3'
alias ports='ss -lpntu'
alias python='python3'
alias sudo='sudo -v; sudo '
alias ugq='ugrep --pretty --hidden -Qria'
alias vdir='vdir --color=auto'
EOF

path

Set Custom PATH.

# e.g. of my custom PATH

sudo tee $ZSH_CUSTOM/my_paths.zsh > /dev/null <<EOF
# Add go to path
export PATH=\$PATH:\$HOME/go/bin
EOF

Reboot the system to apply all the zsh settings

reboot

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