Linux misc

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/

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