Some good bash aliases

.bash_aliases

alias c='clear'

alias f='thunar' #or applicable file manager

alias tlist='tmux list-sessions'

alias sbrc='source ~/.bashrc'

alias s='sudo'

# Fetch the the file permissions in octal numeric form
getchmod() {
  stat --format '%a' $1
}

# for linux mint
alias linfo='cat /etc/linuxmint/info'

#Get the size of a file in bytes
bytesize() {
  echo "$1 - $(wc -c < $1) bytes"
}

# internal IP
alias myip='hostname -I'
# External IP
alias myextip='curl ifconfig.me'

alias la='ls -a'
alias grep='grep --color=auto

alias shutdown='sudo shutdown -P now'

# Requires pdftotext application
alias pdf='pdftotext'

# Serve the current directory tree @ http://$HOSTNAME:8000/
alias servedir='python -m SimpleHTTPServer'

# Show the filesystem hierarchy
alias hier='man hier'

# Show battery life percentage in the terminal
alias battery='upower -i /org/freedesktop/UPower/devices/battery_BAT0| grep -E "state|to\ full|percentage"'

# If the switch is Cisco, and discovery mode is on, this will find 
# the port of the switch you are on. Very handy.
cswitch() {
  sudo tcpdump -nn -vvv -i eth0 -s 1500 -c 1 'ether[20:2] == 0x2000' 2>/dev/null | egrep '0x01|0x03'
}

# Echo the dc's currently being used to stdout 
alias dnsstat='cat /etc/resolv.conf'

# A pretty grep search in the current working directory that will provide before/after context.
findit() {
  grep -irn --color=auto --before-context=5 --after-context=5 "$1" .
}

# Make mc normal; not that weird blue color
alias mc='mc -b'

# check for DNS leaks
alias dnsleak='w3m dnsleaktest.com'

# Check for internet connection
alias amiup='ping archlinux.org'

# Show the URL source of a git repo
alias git_show='git config --get remote.origin.url'

# Get the size of the dir you're in
alias dirsize='du -ach | grep -i total'