- redo last command but as root
sudo !!
- open an editor to run a command
ctrl+x+e
- create a super fast ram disk
mkdir -p /mnt/ram
mount -t tmpfs tmpfs /mnt/ram -o size=8192M
don’t add command to history (note the leading space)
ls -l
fix a really long command that you messed up
fc
- tunnel with ssh (local port 3337 -> remote host’s 127.0.0.1 on port 6379)
ssh -L 3337:127.0.0.1:6379 root@emkc.org -N
- quickly create folders
mkdir -p folder/{sub1,sub2}/{sub1,sub2,sub3}
- intercept stdout and log to file
cat file | tee -a log | cat > /dev/null
bonus: exit terminal but leave all processes running
disown -a && exit