The Apache web server has several causes that cause an internal server error . One possible cause is erroneous entries in an htaccess file, for example due to incorrectly defined forwarding. In this article we describe how you can Read more…
Data backups under Linux are easily and efficiently created with rdiff-backup . The tool written in Python also creates statistics for each backup pass and stores them in their own files. The following article explains what the values of the statistics mean and what values you must be Read more…
Device Tree Sources (DTS) are used in the Linux kernel for describing hardware and should in future be defined in the Yaml format. That brings some benefits, say kernel developers. The Device Trees concept is used in the Read more…
If a system with Ubuntu Linux does not shut down correctly, but suddenly fails due to a power failure without UPS backup, it can at the next start attempt for error message No init found. Try passing Read more…
This article shows how to install Synology Assistant on Ubuntu . The Synology Assistant is a small tool to disk or RackStations to locate the local network. It facilitates the commissioning of a new NAS and connects after entering the user information to the web Read more…
With a special fuzzer for kernel system calls from Google , extremely many bugs have been found in the USB stack of the Linux kernel . Many of them are classified as critical vulnerabilities, which is true for all kernel Read more…
A complete encryption of your own system is an excellent way to ensure the confidentiality of your own data. The current Ubuntu installer offers a guided installation to encrypt the entire system with ” encrypted LVMs “. For both Read more…
The OpenSSH Secure Shell Server provides secure, encrypted remote access to Linux and Unix systems. The server side is the file authozired_keys in .ssh a user’s primary folder to configure a public-key authentication . Normally, a user gets full access to the system where the authentication was Read more…
Centralized directory services such as OpenLDAP or Active Directory (AD) simplify password management for the administrator and the user. In terms of Linux servers, the aspect of SSH authentication via AD is especially interesting. From the point of view of IT security, this Read more…
Compiling a Linux kernel is not an everyday occurrence for most administrators. It is all the more important to know the right tools when the time comes. The following article shows examples of how Mainline / Vanilla Kernel and the distribution-specific kernel Read more…
