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System Administration

Native exFAT support on Fedora 32

A lot has changed since 2018 when exFAT was kept out of Fedora due to patent issues and a third-party FUSE-driver needed to be used. Until recently the GPLv2 based driver from Microsoft wasn’t enabled in the kernel as it was based on an older specification and wasn’t fully functional for everyday use. $ grep […]

Categories
System Administration

Getting Ext3/4 journal size

Ext3 is a successor of Ext2 with support for journaling which means it can have a log of all it’s recent changes it made or is going to make to the file system. This allows fsck to get the file system back in a good state when a power failure happens for example. But what […]

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Internet, Unix en security

BtrFS and readonly snapshots

In a previous posting I started with BtrFS and as mentioned BtrFS supports snapshotting. With this you can create a point in time copy of a subvolume and even create a clone that can be used as a new working subvolume. To start we first need the BtrFS volume which can and must always be […]

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Internet, Unix en security

First steps with BtrFS

After using ZFS on Solaris, I missed the ZFS features on Linux and with no chance of ZFS coming to Linux, I had to do with MD and LVM. Or at least until BtrFS became mature enough and since the Linux 3.0 that time slowly has come. With Linux 3.0 BtrFS supports auto defragmentation and […]

Categories
Internet, Unix en security

Tux moet aan de Sonja Bakker

Waar is de tijd gebleven dat zeg 64MB nog voldoende was of dat een Pentium MMX op 233 MHz nog je hele digitale wereld kon voortduwen. Die tijd lijkt ver achter ons te liggen, maar is dat echt zo? De 8GB in mijn huidige workstation lijkt in sommige gevallen amper nog voldoende te zijn om […]