All it takes is just one interruption while writing that UPDATE line for a password, leaving off the critical WHERE clause, and suddenly all of your users are locked out. Or some other minor error that is inadvertently made. Whatever the cause, you are left with a mysql server that has all of your data,
Under linux, use the command “ssh-copy-id user@host” rather than playing around with the authorized_keys files and the id_dsa.pub or id_rsa.pub files. Â Life is so much easier.
systemd messes with your mind. Â Definitely. Â The easy management of /etc/init.d/ files or /etc/rc.d files is easy to grasp; easy to get the mind around a simple ordering of complex events. Replace that with systemd, and the brain wants to revolt. But there are some upsides to this trend. Â systemd is smart. Â It can do