My .bachrc file

.bashrc

# If not running interactively, don't do anything
case $- in
    *i*) ;;
    *) return;;
esac

# Default editor
export EDITOR=vim

# 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

# History settings
export HISTSIZE=10000
export HISTFILESIZE=10000
export HISTCONTROL=ignoreboth:erasedups
PROMPT_COMMAND='history -a'
export HISTIGNORE='ls:ps:rmhist*:history*'
export HISTTIMEFORMAT='%d.%m.%Y %H:%M:%S: '

# User specific aliases and functions
alias rm='rm -i'
alias cp='cp -i'
alias mv='mv -i'
alias ll='ls -alF'
alias lr='ls -ltr'
alias l='ls -CF'
alias vi='vim'
alias pwg='pwgen -cnB 12 10 | while read PASS; do echo -n -e "$PASS\t"; echo -n "$PASS" | md5sum | cut -f1 -d" "; done'

# Custom cmd
PS1='\n\[\e[0;33m\][\D{%d.%m.%Y %H:%M:%S}] \[\e[01;31m\]\u@\h \[\e[1;34m\]\w\n\$ \[\e[0;32m\]\[\e[0m\]'

# 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

# Show path (line by line).
path() {
    old=$IFS
    IFS=:
    printf "%s\n" $PATH
    IFS=$old
}

# Show all crontab task with collored output
allcrontab() {
    for user in $(cut -d':' -f1 /etc/passwd); do
        usercrontab=$(crontab -l -u ${user} 2>/dev/null)
        if [ -n "${usercrontab}" ]; then
            echo -e "${RED}====== Start crontab for user ${NC}${GREEN}${user}${NC} ${RED}======${NC}"
            crontab -l -u ${user} | sed '/ *#/d; /^ *$/d'
            echo -e "${RED}====== End crontab for user ${NC}${GREEN}${user}${NC} ${RED}========${NC}\n"
        fi
    done
    for crond in $(ls -L1 /etc/cron.d); do
        crondtab=$(cat "/etc/cron.d/${crond}" 2>/dev/null | egrep -Ev "^\s*(;|#|$)")
        if [ -n "${crondtab}" ]; then
            echo -e "${RED}====== Start cron.d ${NC}${GREEN}/etc/cron.d/${crond}${NC} ${RED}======${NC}"
            echo "${crondtab}"
            echo -e "${RED}====== End cron.d ${NC}${GREEN}/etc/cron.d/${crond}${NC} ${RED}======${NC}\n"
        fi
    done
}

# Show file content without comments
qcat() {
    [[ $1 = '' ]] || [[ $1 = '-h' ]] || [[ $1 = '--help' ]] && echo "usage: qcat <filename>" && return 1
    if [ -f "$1" ]; then
        cat "$1" | egrep -Ev "^\s*(;|#|$)"
    else
        echo "Error: File '"$1"' not found."
    fi
}

my_ip() {
    MY_IP=( $(ip addr 2>/dev/null | grep 'state UP' | awk -F':' '{print $2}' | sed 's/^[ \t]*//;s/[ \t]*$//') )
    for ((i=0; i<${#MY_IP[@]}; i++)); do
           MY_ETH_IP=$(ip address show dev ${MY_IP[$i]} 2>/dev/null | grep 'inet' | grep -v 'inet6' | sed 's/^[ \t]*//;s/[ \t]*$//' | awk '{print $2}' | cut -f1  -d'/')
           MY_ETH_INT=${MY_IP[$i]}
           echo ${MY_ETH_INT}": "${MY_ETH_IP}
    done
}

ii() {
    echo -e "\nYou are on server ${RED}$HOSTNAME ($(hostname -f))"
    echo -e "\nAdditional information:${NC}" ; uname -a
    echo -e "\n${RED}Users work in this system:${NC}" ; w -h
    echo -e "\n${RED}Date:${NC}" ; date '+%d.%m.%Y %H:%M:%S'
    echo -e "\n${RED}Time elapsed since last reboot:${NC}" ; uptime| sed 's/^[ \t]*//;s/[ \t]*$//'
    echo -e "\n${RED}RAM:${NC}" ; free
    GW=$(ip route 2>/dev/null | awk '/default/ { print $3 }')
    echo -e "\n${RED}Gateway:${NC}" ; echo ${GW}
    echo -e "\n${RED}IP addresses on interfaces:${NC}" ; my_ip
    echo
}

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

# Source DBS definitions
if [ -f ~/.bashrc_dbs ]; then
    . ~/.bashrc_dbs
fi