The firewall-cmd tool has a neat feature in that it knows what ports are used for certain services. This is handy for things like web server ports which our tired brains may forget from time to time (hint: it’s 80 for http and 443 for https). Even without knowing those numbers, we can still open … Read more
I was building a Fedora server with an old laptop, a Samsung Q330 to be precise. I’m surprised it runs Fedora 33 so well (it wasn’t happy with CentOS 8 at all). I wanted it to remain on at all times, even when the lid is closed. Sadly there was no easy way in GNOME … Read more
I’ve recently given Fedora a spin on my MacBook Pro (2011 vintage). While it installed fine, the WiFi card inside it was not recognised by default. From what I understand there is a Linux driver for the card, but the software around it is so restrictive that the driver cannot be included in the official … Read more
CentOS 7 has a nice command called hostnamectl. With it we can display the current hostname, and set any of the three types of hostname: static hostname (something like example.com) transient hostname (anything you like, assigned when using DHCP) pretty hostname (something like Jay’s MacBook Pro) By default, a CentOS installation comes back with localhost.localdomain … Read more
I’ve just installed a LAMP stack on my Nook Tablet using Debian. However I’ve been using CentOS since 2008 and I’m so used to how things are done there that it was a bit of a culture shock doing relatively simple things “on the other side”. It’s like a country whose language you don’t speak … Read more
SELinux – when installed – can take on one of three modes: To check which mode SELinux is running on, we can use either sestatus for a more detailed output, or simply getenforce for a one liner: sestatus SELinux status: enabled SELinuxfs mount: /sys/fs/selinux SELinux root directory: /etc/selinux Loaded policy name: targeted Current mode: enforcing … Read more
