An often underused feature of OpenSSH is the Match statement. Match statements work on OpenSSH 4.4+; applicable versions ship with RHEL/CentOS 6+ and Ubuntu 12.04+. The Match directive accepts the following options: Match User Match Group Match Host Match LocalAddress Match LocalPort Match Address Match statements can be used to help harden SSH but can … [Read more…]
Linux is chock-full of documentation, the challenge however is knowing where to find that documentation. One of the first things that every Linux user ought to learn is how to view the manual pages, man <command>, but there is more to know. The man pages are divided into 9 sections: Executable programs or shell commands … [Read more…]
VirtualBox offers a neat feature called “Seamless Mode” that allows you to seamlessly integrate windows from the host and guest operating systems. This feature proves to be problematic however if the host is a Windows operating system. The alternative is to run the guest as a headless VM and port forward connections from the host … [Read more…]