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johnliu55tw/tips_and_commands.md

Last active August 30, 2018 03:23
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Useful Tips/Commands/...
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tips_and_commands.md

Change the passphrase of a private RSA/DSA key

$ ssh-keygen -p -f ~/.ssh/id_rsa

Full system backup/restore

Refer to Rsync#Full_system_backup for details.

Backup

# rsync -aAXv --exclude={"/dev/*","/proc/*","/sys/*","/tmp/*","/run/*","/mnt/*","/media/*","/lost+found"} / /path/to/backup/folder

Restore

# rsync -aAXv --exclude={"/dev/*","/proc/*","/sys/*","/tmp/*","/run/*","/mnt/*","/media/*","/lost+found"} /path/to/backup /destination/root/
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