Check out my first Fixes:
Here you find selected fix posts which are showing ways to respond to failures and error messages. Hopefully this page will be extended during the next months and years.
Click on the topics in which you are interested in and enjoy your reading.
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ClamAV: “libfreshclam init failed, Initialization error!”
Basic Information ClamAV is a stable anti virus software for Linux and it is available since two decades. Viruses could be an issue on Linux systems but it is more likely to get a rootkit infection on a Linux system. Basically it is not a failure to have an anti virus software on a Linux…
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Automount ZFS RAID on Debian 11
ZFS is a modern file system with a lot of cool features, like encryption, handling very big volumes, providing data integrity (bit rot prevention) and high performance. Originally ZFS was developed by Sun Microsystems for Solaris and a Linux version of ZFS is available since 2013. On systems with ECC RAM memory ZFS shows its…
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Fix Rootkit Hunter Errors: WEB_CMD and “Update failed”
Introduction IT Security is an important topic nowadays. Since every aspect of our daily life is affected by IT, systems security and data security became essential. Hackers penetrate companies and their IT system all around the world day by day. Also Linux can be compromised by hackers. Although Windows is still dominant on desktops and…
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Windows 10 slow on older Hardware
Basic Information Windows 10 is also in 2023 a popular and widely used operating system. Although Windows 11 is released since 2021 Windows 10 is still current. Windows 10 will be supplied with security updates until October 2025. Until this time Windows 10 can be used safely without any disadvantage. The situation is different for…
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Ubuntu slow because of Tracker-miner-fs Package
The Problem Ubuntu 20.04 can be very slow on weaker hardware with low RAM and a weaker CPU. It can be the case that the Ubuntu PC is unusable because CPU usage is very high, although not many applications are opened by the user. An investigation on an affected PC shows that a specific application…
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MySQL – ERROR 1064 (42000): You have an error in your SQL syntax;
Basic Information MySQL is a database management system for a special kind of SQL databases. SQL databases basically contain a data model and then the data itself. The data model defines the structure for the stored data. SQL is also the name for the programming language. The SQL Syntax of the programming language is basically…
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rm: cannot remove ‘file.txt’: Read-only file system on BTRFS
Basic Information Recently we were experiencing an error on an OpenSuse Linux and BTRFS. OpenSuse is a popular Linux and comes by default with the BTRFS (B-tree FS) file system. The BTRFS file system is a modern file system with many advantages compared to the old EXT4. For clarification: A file system basically manages the way…
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ata3:00: status: DRDY ERR
The Problem During the years in my career I relatively often see a specific error message on Linux production servers. The error is associated with hard drive failures. I saw the problem on systems with conventional HDD drives as well on servers which are only using NVMe drives. RAID array disks are affected as well…
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3ware 9500S-4LP – Raid 5 Degraded
The Problem I had a RAID 5 failure on an old Linux Server with special hardware connected. A RAID 5 as you probably know is a redundant disk array of hard disks. Disks are usually connected to a RAID Controller. The controller in my server is a 3ware 9500S-4LP. This controller is outdated but still available…
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Rootkit scan with Ubuntu Live System
Basic Information Sometimes it is the case that Linux, like other Operating Systems, shows odd behavior. And in some cases the cause of the odd behavior cannot be comprehended although log files are verified and the hardware is checked. I had this problem too often in the past years. Then often I check the system…
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Get DOS Game Ascendancy running in DOSBOX
Basic Information Today I wanted to run an old DOS game called Ascendancy which was released 1995 by the “Logic Factory”. The game is about conquering the whole universe, doing research and war or diplomacy. It’s basically a strategy game. I am using Dosbox for old DOS games on Linux. Dosbox creates an old DOS…
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OPNsense NAT Port Forward not working
Basic Information OPNsense is a FreeBSD based Firewall Software. Port Forwarding is the way to publish a service in the network which is protected by the Firewall to the Internet. Forwarded could be any service like Http, SSH, RDP and so on. I tried to publish a SSH Server to the internet in a lab…
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ZFS and ZPool – Migrate a Stripe Set to a Mirror (RAID 0 to RAID 1)
Basic Information ZFS is a modern file system with a lot of cool features, like encryption, handling very big volumes, providing data integrity (bit rot prevention) and high performance. Originally ZFS was developed by Sun Microsystems. The Problem Recently I had the problem to migrate a ZFS RAID 0 (Stripe Set) consisting in two disks…
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ZED Dosbox Error – “COMMANDER ZOD SHOOTS PIRATES AT DAWN!”
Recently I wanted to run an old DOS game called ZED (created by Bitmap Brothers, 1996) in a Dosbox on Ubuntu. Dosbox is an emulator which enables to run old DOS games and applications on a modern PC. ZED is a realtime strategy game. After installing Dosbox on Ubuntu and putting the Software under the…
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Cannot install Windows 11 on Samsung NVMe
Basic Information Recently I created with Ubuntu and the Linux dd Tool (Disk Dump) a bootable Windows 11 USB Stick. The aim was to install Windows 11 on a PC with a Samsung NVMe disk. The Problem As I started the Windows 11 installation procedure no disk was shown by the Windows installer and I…
