How to generate good passwords with pwgen
Whenever I change passwords on my systems, I need to try to think up ones that will be hard to crack as well as easy...
A caution about using sudo
This example shows why it is important that users should not be able to edit scripts that they can run with sudo.
Rethinking su vs sudo
If you've been hanging around Both.org for a while, you've undoubtedly noticed that I much prefer using the su - command to obtain elevated privileges...
Getting Started with SELinux
SELinux was developed by the NSA to provide a highly secure computing environment. True to the GPL, they have made this code available to the rest of the Linux community and it is included as part of nearly every mainstream distribution.
New Linux vulnerabilities allow access to critical data
Two new vulnerabilities in the core dump handlers for Ubuntu, RHEL, and Fedora, allow access to critical data according to The Hacker News. The problem...
Linux and Security
Image via Creative Commons, modified by Both.org Security is a critically important part of using and administering computers in our ultra-connected world. With Linux running...
Beware Fedora updates of April 28, 2025
It breaks iptables with no warning I'm rather angry right now but I promise to remain calm -- at least in this post. I just...
How I create encrypted passwords
I sometimes need to create an encrypted password for use in scripts when adding one or more new user accounts to hosts in my lab....
Secure electronic document disposal with Linux
We can't be too careful about ensuring that our personal data is safe, both paper documents and electronic ones. I'm sure I don't need to...
Why I Use Linux
I use Linux for many reasons. These best reasons may help you understand why..
Linux Malware scanning using ClamAV
Image via Creative Commons, modified by Both.org Introduction There are many different ways of protecting a system, right from keeping the software up-to-date, to removing...
Intro to the Linux chown command
Image by: Opensource.com CC-by-SA 4.0 Every file and directory on a Linux system is owned by someone, and the owner has complete control to change...
Protecting Your Privacy: Removing Exif Metadata from Your Digital Images with ExifCleaner
Each picture you take with a digital camera contains numerous tags that provide a great deal of information, some of which might ordinarily be considered confidential.
