The commands you're always looking for, in one place 📝
env to list all environment variables
sed -i '' '/pattern-to-remove/d' src/**/package.json to remove all lines with pattern in multiple files
tar xvzf file.tar.gz for .tgz or .tar.gz
tar xvjf file.tar.bz2 for .tbz or .tar.bz2
tar xvf file.tar
tar xvC /var/tmp -f file.tar for a specific directory
df -h for the percentage used of all volumes
du -h --max-depth=1 for the size of the current directory
screen -S new_session_name to create a new session
screen -ls to list all sessions
screen -r new_session_name to restore a previous session
Ctrl + a (release) and then d to detach the process/screen (so it'll continue to run).
scp ./here.txt user@remote.host:~/file.txt to copy here.txt (in current folder) to ~/file.txt on the remote host
pushd /directory to put the current directory in a directory stack
dirs to list the directory stack
popd to go back to the previous directory
dirs -c to clear the directory stack
Create database and a new user with all rights on it
create database if not exists DATABASE_NAME character set utf8 collate utf8_unicode_ci;
grant all privileges on DATABASE_NAME.* to 'USER_NAME'@'localhost' identified by 'SECRET_PASSWORD';Changing branch base :
(commit 1) - master
\-- (commit 2) - (commit 3) - oldBranch
\-- (commit 4) - (commit 5) - newBranch
To:
(commit 1) - master
|-- (commit 2) - (commit 3) - oldBranch
\-- (commit 4) - (commit 5) - newBranch
git checkout newBranch # Just to be clear which branch to be on.
git rebase --onto master oldBranch newBranch