How do I view what exim is doing?

Exim comes with a utility called ‘exiwhat’ which will display what each instance of exim is currently involved with. The output will look similar to this: root@server [~]# exiwhat 2118 daemon: -q1h, listening for SMTP on port 25 (IPv4) 2130 daemon: no queue runs, listening for SMTPS on port 465 (IPv4) 31640 handling incoming connection… Continue reading How do I view what exim is doing?

SSH Authorized Keys Automatic Login

SSH can automatically authenticate connections when the client presents an authorized key. A client gives it’s public key to a server and then when it connects the server knows it’s allowed in and automatically allows the connection. The Keys are specific to users, so a key for user_a will not let user_b in. Few Simple Steps Create Keys If… Continue reading SSH Authorized Keys Automatic Login