Kernel modules permit enabling hardware features on a given system. For example, if we need to read from a particular filesystem from a hard drive, we need to load a particular kernel module. Or use a specific network card, a sound card or sound device, a video display, etc. This is mostly done automatically in […]
How to load and unload kernel modules in Linux
How to set the locale in FreeBSD
The locale is the character set that will be used. And it is very important to match the keyboard you are using. Mind this also matters if you are transferring data to other systems. Different standards as the ASCII, UTF’s and the ISO’s, to name a few, have been put in place through the years […]
Linus on ZFS
Disclaimer: What you are about to read may contain inaccuracies. Feel free to discuss them somewhere else. This is also my opinion and as such it may change through time, maybe tomorrow, next month, next year, next decade or never. I do also make very few reviews (if any) of what I write here so […]
How to configure a Virtual Host in Apache
You may have just one website and that is ok. If that is your case you can avoid this entire chapter. But some of you may also have several websites. And quite probably you want to use one single public ip to resolve all the domains you have. The Apache documentation is the main resource […]
How to configure TLS 1.2 on UNIX or GNU/Linux
This is an article willing to help and point out a few useful resources for those using Apache HTTP or NGINX web servers that are still using the deprecated SSLv3, TLS 1.0 and/or TLS 1.1 verions. If you find the articles in Adminbyaccident.com useful to you, please consider making a donation. Use this link to […]
How to install OpenVAS on FreeBSD
Was ist das? OpenVAS is a vulnerability scanner. If you are unfamiliar to the vulnerability scanning world this can be an overwhelmingly experience but tools like this are what makes the matter more accessible, more manageable, easy to see and easy to fix. Before digging into the matter at hand here, that is how to […]
How to update FreeBSD using beadm
Beadm is a tool which provides a wonderful and distinctive functionality on Solaris, OpenIndiana and FreeBSD. It relies on the ZFS filesystem allowing to take a filesystem snapshot. That can be used to manage the so called boot environments which provide a great way to secure updates, even when everything goes down the tubes. Hence […]
How to test pfSense on VirtualBox running on FreeBSD
There are other guides on how to do this on Windows, Mac, but not on FreeBSD, so here goes a how to pfSense on Virtualbox running on FreeBSD. Before going to it, let’s address the first question, which is what is pfSense. pfSense is a FreeBSD based distribution made for networking purposes. The company behind […]
WordPress administration over SSL
If you are a WordPress user or prettend to become one and you have some IT administration knowledge this guide is of your interest. Many hostings already provide easy point and click solutions to administer WordPress over SSL. However you may be self hosting WordPress or you’re just a curious person. What is TLS? TLS […]
Abandon Linux. Move to FreeBSD or Illumos.
If you use GNU/Linux and you are only on opensource, you may be doing it wrong. Here’s why. Is your company based on opensource based software only? Do you have a bunch of developers hitting some kind of server you have installed for them to “do their thing”? Being it for economical reasons (remember to […]