Common linux / terminal commands I always use but forget. So fuck it I'm saving em here

common-terminal-commands.md

common terminal commands

ubuntu updates & clean

• sudo apt update && sudo apt upgrade -y
• sudo apt autoremove && sudo apt clean

copy mac public ssh key

• pbcopy < ~/.ssh/id_rsa.pub

edit host file and flush dns after

• sudo vi /private/etc/hosts
• dscacheutil -flushcache

tar and untar .gz & .xz files

• .XZ create: tar cvJf file.tar.xz /whatdir
• .XZ untar: tar -xf file.tar.xz
• .GZ create: tar cvzf file.tar.gz /whatdir
• .GZ untar: tar -xvf file.tar.gz and add -C /dir to put it somewhere

symlink to a directory

• ln -s /path/to/dir/
• ln -fs /path/to/dir/ (to force an update of symlink)

tail a log with x lines viewable

• tail -fn 30 file.log

moving files and directories

move all files and folders from one directory to another directory

• mv -v ~/repo/* ~/public/

copy a directory and all files in it keeping perms

• cp -avr /htdocs/wp-content/staging/wp-content/uploads/ /htdocs/wp-content/production/wp-content/

move all files but not folders from one directory to another directory

• find ~/repo/ -type f -print0 | xargs -0 mv -t ~/public

move only files from the one directory, but not from sub-directories

• find ~/repo/ -maxdepth 1 -type f -print0 | xargs -0 mv -t ~/public

move a file to/from localhost/remotehost

• scp user@remotehost.tld:/remote/filepath/file.tar.gz /local/path/file.tar.gz
• scp file.tar.gz user@remotehost.tld:/remote/filepath/
• scp user@remotehost1.tld:/remote/filepath/file.tar.gz \user@remotehost2.tld:/remote/filepath/

rename all files in directory to lowercase

• for f in *; do mv "$f" "`echo $f | tr "[:upper:]" "[:lower:]"`"; done

Bash / ZSH Aliases

• alias ll='ls -lahGF'