Spacerats little techwiki

• Remove offending key from known_hosts file with one command

$ sed -i 18d .ssh/known_hosts

• Whats my WAN IP?

$ dig +short myip.opendns.com @resolver1.opendns.com

• Find large files, print 10 largest files in dir

$ find . -printf '%s %p\n'|sort -nr|head

• To find the largest file in all sub-directories:

$ find /path/to/folder -type f -exec ls -s {} \; | sort -nr | awk 'NR==1 { $1=""; sub(/^ /, ""); print }'