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Tag: Debian
26 April 2022
Manually Create an AppArmor Profile for Nginx
As described in the previous post, access control on Unix-like systems is traditionally based on the principle of Discretionary Access Control (DAC). Applications and services run under a specific user and group ID and are granted the corresponding access rights to files and folders. AppArmor implements a Mandatory Access Control for Linux, based on the […]
15 March 2022
Introduction to AppArmor
Fundamentally, access control under Linux is a simple matter: Files specify their access rights (execute, write, read) separately for their owner, their group, and finally, other users. Every process (whether a user’s shell or a system service) running on the system operates under a user ID and group ID, which are used for access control. […]
17 November 2021
Debian 11 "Bullseye" Released
Congratulations to the Debian Community The Debian Project just released version 11 (aka “bullseye”) of their free operating system. In total, over 6,208 contributors worked on this release and were indispensable in making this launch happen. We would like to thank everyone involved for their combined efforts, hard work, and many hours pent in recent […]
22 June 2021
Self-hosted Yubico OTP
In the preceding article, Two-Factor Authentication with Yubico OTP, we demonstrated how quickly existing services can be extended with two-factor authentication (2FA) using Yubico OTP with the help of the PAM module pam_yubico. The validation service used, the YubiCloud, is provided by Yubico free of charge. However, the fact that you are bound to an […]
04 May 2020
Apt.Postgresql.Org with Support for Arm64 and Ubuntu Focal
The apt.postgresql.org repository originally started with the two architectures amd64 and i386 (64- and 32-bit x64). In September 2016, ppc64el (POWER) was added. Over time, there have been repeated requests as to whether we might also support “arm”, which usually meant Raspberry Pi. However, these are mostly only 32-bit, and the widespread “armhf” Raspbian port […]