Created
August 5, 2019 14:47
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Some "unknown" bash commands that are really nice.
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# 1. redo last command but as root | |
sudo !! | |
# 2. open an editor to run a command | |
ctrl+x+e | |
# 3. create a super fast ram disk | |
mkdir -p /mnt/ram | |
mount -t tmpfs tmpfs /mnt/ram -o size=8192M | |
# 4. don't add command to history (note the leading space) | |
ls -l | |
# 5. fix a really long command that you messed up | |
fc | |
# 6. 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 | |
# 7. quickly create folders | |
mkdir -p folder/{sub1,sub2}/{sub1,sub2,sub3} | |
# 8. 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 |
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