Good .bashrc file to have in home directory to configure bash shell

.bashrc

# ---------------------------------------------------------------------------------

# ~/.bashrc: executed by bash(1) for non-login shells.
# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
# for examples

# If not running interactively, don't do anything
case $- in
    *i*) ;;
      *) return;;
esac
# E.g. of a use case of running .bashrc interactively:
# $ ssh -tt machine "conda env list"
# (important for ipcluster installed via anaconda running using ssh)
# Comment case lines above and uncomment if lines below:
if [ -z "$PS1" ]; then
  shopt -s expand_aliases
fi

# bash_history settings: size and no duplicates and no lines w/ lead spaces
export HISTCONTROL="ignoreboth"
export HISTSIZE=""
export HISTFILESIZE=""

# append to the history file, don't overwrite it
shopt -s histappend

# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize

# make less more friendly for non-text input files, see lesspipe(1)
[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"

# set variable identifying the chroot you work in (used in the prompt below)
if [ -z "${debian_chroot:-}" ] && [ -r /etc/debian_chroot ]; then
    debian_chroot=$(cat /etc/debian_chroot)
fi

# set a fancy prompt (non-color, unless we know we "want" color)
case "$TERM" in
    xterm-color|*-256color) color_prompt=yes;;
esac

if [ -n "$force_color_prompt" ]; then
    if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
    # We have color support; assume it's compliant with Ecma-48
    # (ISO/IEC-6429). (Lack of such support is extremely rare, and such
    # a case would tend to support setf rather than setaf.)
    color_prompt=yes
    else
    color_prompt=
    fi
fi

if [ "$color_prompt" = yes ]; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
else
    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
fi
unset color_prompt force_color_prompt

# If this is an xterm set the title to user@host:dir
case "$TERM" in
xterm*|rxvt*)
    PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
    ;;
*)
    ;;
esac

# Alias definitions.
# You may want to put all your additions into a separate file like
# ~/.bash_aliases, instead of adding them here directly.
# See /usr/share/doc/bash-doc/examples in the bash-doc package.

if [ -f ~/.bash_aliases ]; then
    . ~/.bash_aliases
fi

# enable color support of ls and also add handy aliases
if [ -x /usr/bin/dircolors ]; then
    test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
    alias ls='ls --color=auto'
    #alias dir='dir --color=auto'
    #alias vdir='vdir --color=auto'

    alias grep='grep --color=auto'
    alias fgrep='fgrep --color=auto'
    alias egrep='egrep --color=auto'
fi

# some more ls aliases
alias ll='ls -alhF'
alias la='ls -A'
alias l='ls -CF'

# some docker aliases
alias docker_ps='docker ps --no-trunc'
alias docker_clean='docker rm $(docker ps -qa --no-trunc --filter "status=exited")'

# enable programmable completion features (you don't need to enable
# this, if it's already enabled in /etc/bash.bashrc and /etc/profile
# sources /etc/bash.bashrc).
if ! shopt -oq posix; then
  if [ -f /usr/share/bash-completion/bash_completion ]; then
    . /usr/share/bash-completion/bash_completion
  elif [ -f /etc/bash_completion ]; then
    . /etc/bash_completion
  fi
fi

# colored GCC warnings and errors
#export GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01'

# coloured prompt with title bar change
PS1="\n\u @ \[\e[0;33m\]\h\[\e[0m\] [\@] \[\e[0;36m\]\w\[\e[0m\]\[\e]2;\u @ \h\a\]\n$ "

# source to setup environment
#source ~/config_env.sh
#source ~/proxy.sh
#source ~/bashrc_additions.sh

# Autojump
[ -f /usr/share/autojump/autojump.sh ] && source /usr/share/autojump/autojump.sh

# To have SSH agent to avoid typing ssh private key passphrase many times in git
if [ -f ~/.agent.env ] ; then
    . ~/.agent.env > /dev/null
    if ! kill -0 $SSH_AGENT_PID > /dev/null 2>&1; then
        echo "Stale agent file found. Spawning new agent… "
        eval `ssh-agent | tee ~/.agent.env`
        ssh-add
    fi 
else
    echo "Starting ssh-agent"
    eval `ssh-agent | tee ~/.agent.env`
    ssh-add
fi

# To have X11 display on Windows
#export DISPLAY=localhost:0.0
# Do not set: LIBGL_ALWAYS_INDIRECT=1 (uncheck native opengl in vcxsrv)
#  grep nameserver /etc/resolv.conf | awk '{print $2}' > /tmp/localhost_ip
export DISPLAY=$(ip r | head -n 1 | awk '{print $3}'):0.0

# This is to fix WSL 2 bug by copying resolv.conf correctly generated
# by WSL 1 in the /etc folder
sudo cp /home/amaximo/etc/resolv.conf /etc/

# WSL 2 also has a bug with CUDA where it does copy files in
# /usr/lib/wsl/lib instead of creating symbolic links
sudo cp /home/amaximo/etc/ld.wsl.conf /etc/ld.so.conf.d/

sudo ldconfig

# For some reason CUDA toolkit in WSL2 does not set the path correctly
export PATH="/usr/local/cuda/bin:$PATH"

# To have ccache (compiler cache) ready
export PATH="/usr/lib/ccache:$PATH"