Usefull Oneliners

vim

• Set tab to 4 spaces: set tabstop=8 softtabstop=0 expandtab shiftwidth=4 smarttab

Shell

• Find my public IP: dig +short myip.opendns.com @resolver1.opendns.com

References

• https://stackoverflow.com/questions/1878974/redefine-tab-as-4-spaces