today's howtos
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A Step-by-Step Guide to Using a Specific TLS Version in Apache
Transport Layer Security (TLS) is an essential part of securing web applications and their communications. Ensuring that your Apache server is using the appropriate TLS version can significantly enhance your website’s security. This article will guide you through the process of configuring your Apache server to use a specific TLS version.
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A Comprehensive Guide to Grep Multiple Words from Files
Linux is a powerful and versatile operating system that offers countless tools to manage and manipulate data. One such tool is "grep," which allows users to search for specific patterns in files.
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Completely Uninstall Mysql Server in 3 Simple Steps
Having problems while installing mysql-server? Check this guide to completely uninstall mysql-server and reinstall MySQL.
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Preventing proliferation of dbus-daemon instances
I was reading on the Internet, someone reporting hundreds of dbus-daemon instances, and impacting on system performance. I was googling this topic, as was having a problem with some AppImages and Flatpaks not working with dbus.
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The various sizes of the ZFS ARC (as of OpenZFS 2.1)
The ZFS ARC is ZFS's version of a disk cache. Further general information on it can be found in two highly recommended sources, Brendan Gregg's 2012 Activity of the ZFS ARC and Allan Jude's FOSDEM 2019 ELI5: ZFS Caching (also, via). ZFS exposes a lot of information about the state of the ARC through kstats, but there isn't much documentation about what a lot of them mean. Today we're going to talk about some of the kstats related to size of the ARC. I'll generally be using the Linux OpenZFS kstat names exposed in /proc/spl/kstat/zfs/arcstats.