Linux/Ubuntu Notes

Installations

Install ssh/apache/mariadb/etc - Ubuntu

Install node/java/etc - Ubuntu

SSH Folder permissions

#private key
chmod 600 id_rsa

#pub keys
chmod 644 .pub

# ~/.ssh
chmod 700 .shh

# home
chmod 755 ~

# remove or change password from key
ssh-keygen -p

ssh-keygen -p [-P old_passphrase] [-N new_passphrase] [-f keyfile]

Tar exclude "node_modules"

tar  --exclude=**/node_modules/* --exclude=.git  -cvfz backup.tgz folder/