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Tux Machines
Posted by Roy Schestowitz on Apr 17, 2023
> ZFS sometimes benefits from having a logging drive. Usually, you need to assign a whole device or partition to it. Unfortunately, I had already partitioned my SSD and didn't feel like repartitioning it.
> A zone digest is a cryptographic digest, or hash, of the data in a DNS zone which is embedded in the zone data itself as a ZONEMD resource record. It is computed upon publishing the zone, and it can be verified by zone recipients. ZONEMD is specified in RFC 8976.
> In order to compute the hash, zone data is fed to a digest function using a well-defined and consistent record ordering and format. The data given to the hash excludes the ZONEMD record itself and its signatures if the zone is signed. The digest is then added to the apex of the zone itself and signed with DNSSEC (for signed zones).
> If you’ve tried FreeCAD, you know that it has a daunting number of workbenches and options. [MangoJelly] has a large number of video tutorials on FreeCAD, and the latest one, below, covers working with STEP and STL with the tool.
> As a system admin on a Linux system, you might have to parse through a huge log file in Linux. It might seem a painstaking task, especially in the instances where you have to match patterns. Thankfully, grep command in Linux is a boon for such situations. If you are wondering what is grep command and how it works, below, we have prepared an easy guide to help you understand this useful Linux command.
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