How to set up passwordless SSH authentication for Ubuntu Server Your email has been sent You probably secure shell into your Linux servers throughout the day. Hopefully, you’ve set those servers up ...

Out of the box, secure shell is fairly secure. With the help of ssh key authentication, you can lock down secure shell so that only specific machines can log in. Here's how. If you’re a Linux ...

Most IT pros realize that using Telnet to manage routers, switches, and firewalls is insecure. Transmitted in clear text across a network, Telnet traffic basically publicizes any login usernames and ...

You can avoid command line tedium and simplify access to a fleet of servers by creating a flexible configuration file for your SSH client. Here’s how. This blog post covers how to configure the ...

If you run a publicly accessible Web server for your own use (and let's face it, if you're reading Linux Journal, there's a very good chance you do), how do you go about limiting the risk of someone ...