This section explains: Why it is important to update your system regularly How to apply updates manually by using the GUI or CLI How to enable automatic updates Why it… Read more

Permanent changes in SELinux states and modes As discussed in Getting started with SELinux SELinux can be enabled or disabled. When enabled, SELinux has two modes: enforcing and permissive. Use… Read more

Introduction to SELinux Security Enhanced Linux (SELinux) provides an additional layer of system security. SELinux fundamentally answers the question: May <subject> do <action> to <object>?, for example: May a web… Read more

If you plan to enable SELinux on systems where it has been previously disabled or if you run a service in a non-standard configuration, you might need to troubleshoot situations… Read more

The Shared System Certificates storage enables NSS, GnuTLS, OpenSSL, and Java to share a default source for retrieving system certificate anchors and black list information. By default, the trust store… Read more

What is a YubiKey? A YubiKey is a small USB and NFC based device, a so called hardware security token, with modules for many security related use-cases. It generates one… Read more