zsh install and config

zsh4humans.md

Install sofware dependencies

#export pkgmngt=dnf
export pkgmngt=apt
sudo $pkgmngt update && sudo $pkgmngt install tree exa zsh wget curl unzip fontconfig -y

Font Install

Install any Nerd font of your choice in order to support icons, symbols...

curl -k https://cloud.bgeneto.com.br:4433/s/iTtB3KNaGnRqEYs/download/Hack%20Mono.zip --output ./Hack.zip && mkdir -p ~/.fonts && unzip -d ~/.fonts ./Hack.zip
curl -k https://cloud.bgeneto.com.br:4433/s/ZMKi7ZLBX6mQ76Y/download/MesloLGS%20NF.zip --output ./Meslo.zip && mkdir -p ~/.fonts && unzip -d ~/.fonts ./Meslo.zip
# update font cache
fc-cache -f

Install zsh4humans

zsh4humans is a turnkey configuration for zsh that works really well out of the box.

if command -v curl >/dev/null 2>&1; then
  sh -c "$(curl -fsSL https://raw.githubusercontent.com/romkatv/zsh4humans/v5/install)"
else
  sh -c "$(wget -O- https://raw.githubusercontent.com/romkatv/zsh4humans/v5/install)"
fi

Customize you zsh shell

This command adds lines below to your ~/.zshrc file in order to install usefull plugins, alias, functions...

cat << 'EOF' >> $HOME/.zshrc

# -------------------------
#  custom sytle & plugins
# -------------------------

zstyle ':z4h:fzf-complete' recurse-dirs 'yes'
z4h load ohmyzsh/ohmyzsh/plugins/docker
z4h load ohmyzsh/ohmyzsh/plugins/docker-compose
z4h load ohmyzsh/ohmyzsh/plugins/history
z4h load ohmyzsh/ohmyzsh/plugins/extract

# -------------------------
#  custom export vars
# -------------------------

export VISUAL="vim"
export EDITOR="vim"

# -------------------------
#  shell optimizations
# -------------------------

# increase memory stack size
ulimit -s unlimited
ulimit -n 65536

# -------------------------
#  custom aliases
# -------------------------
alias history='history 1'
alias ll='exa -lbF'
alias la='exa -lbhHigmuSa --time-style=long-iso --color-scale'
#alias ll='exa -lbF --git'
#alias la='exa -lbhHigmuSa --time-style=long-iso --color-scale --git'
#alias ll='ls -hall --color=always'
#alias la='ls -hall --color=always'
alias free='free -h'
alias suvi='sudo vim'
alias suvim='sudo vim'
alias update="sudo $pkgmngt update"
alias upgrade='sudo $pkgmngt update && sleep 3 && sudo $pkgmngt upgrade'
alias inst='sudo $pkgmngt install'
alias chme='sudo chown -R bgeneto:bgeneto'
alias sll='sudo ls -hall --color=always'
alias sla='sudo ls -hall --color=always'
alias sls='sudo ls -hall --color=always'
alias listen='sudo lsof -i -P -n | grep LISTEN'
alias compress='tar --use-compress-program="pigz -k -5" -cf '
alias dsp='docker system prune'
alias ipt='iptables -nL --line-numbers'
alias scp='noglob scp'
alias df='df -hT'

# -------------------------
#  custom functions
# -------------------------

ssh-agent-start(){
  if [ -z "$SSH_AUTH_SOCK" ] ; then
    eval `ssh-agent -s`
    ssh-add ~/.ssh/id_rsa
  fi
}

fail2ban-status(){
  JAILS=`fail2ban-client status | grep "Jail list" | sed -E 's/^[^:]+:[ \t]+//' | sed 's/,//g'`
  for JAIL in $JAILS
    do
      fail2ban-client status $JAIL
    done
}

mkdcd(){
  mkdir -p -- "$1" && cd -P -- "$1"
}

now(){
    export now=$(date +"%Y-%m-%dT%H%M%S")
}

# list systemd aliases and functions
listd(){
  echo -e "${BLD}${RED} --> SYSTEM LEVEL <--${NRM}"
  tree /etc/systemd/system
  [[ -d "$HOME"/.config/systemd/user/default.target.wants ]] &&
    (echo -e "${BLD}${RED} --> USER LEVEL <--${NRM}" ; \
    tree "$HOME"/.config/systemd/user)
  }

# systemlevel
start() { sudo systemctl start "$1"; }
stop() { sudo systemctl stop "$1"; }
restart() { sudo systemctl restart "$1"; }
status() { sudo systemctl status "$1"; }
enabled() { sudo systemctl enable "$1"; listd; }
disabled() { sudo systemctl disable "$1"; listd; }

# userlevel
ustart() { systemctl --user start "$1"; }
ustop() { systemctl --user stop "$1"; }
ustatus() { systemctl --user status "$1"; }
uenabled() { systemctl --user enable "$1"; }
udisabled() { systemctl --user disable "$1"; }

runtime() {
  # how long has a process been running
  [[ -n "$1" ]] || return 1
  if pidof -q -x "$1"; then
    ps --no-headers -o %t $(pidof -x "$1" | awk '{ print $(NF) }')
  else
    return 1
  fi
}

ff() {
  [[ -n "$1" ]] || return 1
  find . -type f -name "$1"
}

fd() {
  [[ -n "$1" ]] || return 1
  find . -type d -name "$1"
}

# -------------------------
#  intel mkl and compilers
# -------------------------

setvars_sh=/opt/intel/oneapi/setvars.sh
setvars_cfg=$HOME/setvars.cfg
if [[ -f "$setvars_sh" ]]; then
    if [[ -f "$setvars_cfg" ]]; then
        source $setvars_sh --config="$setvars_cfg" > /dev/null 2>&1
    else
        source $setvars_sh > /dev/null 2>&1
    fi
fi

# -------------------------
#  openblas library
# -------------------------

openblas_dir=/opt/OpenBLAS
if [[ -d "$openblas_dir" ]]; then
    export C_INCLUDE_PATH=$C_INCLUDE_PATH:$openblas_dir/include
    export CPATH=$CPATH:$openblas_dir/include
    export LIBRARY_PATH=$LIBRARY_PATH:$openblas_dir/lib
    export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$openblas_dir/lib
fi

# pyenv path
export PYENV_ROOT="$HOME/.pyenv"
if [[ -d "$PYENV_ROOT" ]]; then
    export PATH="$PYENV_ROOT/bin:$PATH"
    eval "$(pyenv init -)"
else
    git clone https://github.com/pyenv/pyenv.git ~/.pyenv
fi
EOF

Refresh your shell

Check if everything went fine by refreshing/changing your shell:

exec zsh

Change your default shell

Finally use the chsh command to change your default shell permanently.