Category: filesystem / filesystems

all xfs related man pages

from version: hostnamectl Operating System: CentOS Linux 7 (Core) CPE OS Name: cpe:/o:centos:centos:7 Kernel: Linux 5.X Architecture: x86-64 cat /etc/system-release-cpe cpe:/o:centos:centos:7 all xfs related man pages: […]

The Y2038 Problem – cars and embedded systems

in comparison to Y2K: “The issue became when it became 2000 because that would be stored as 00 in the program. This caused many to believe that say, bank software wouldn’t be able to get your money out because it […]


You might want to checkout very basic sequential write/read benchmark with dd. You might want to checkout iozone in c harddisk benchmark. this benchmark is especially useful if you need to measure how java is performing on your harddisk/filesystem/os (linux […]

Howto install and setup File Sharing Server with GNU Linux

ext3+gnu_linux+samba = fast and reliable fileserver. WARNING! Security problems Versions from Version 3.5.0 to 4.6.4 (recent in May 2017 ) are affected and need to be patched! patches are available from: Unfortunately EVEN Debian9 (!!!! GUYS FIX THAT FAST […]


btrfs is used by SUSE12 for the /root partition – where it is doing daily snapshots of the installed OS. It has more functionality built-in than just storing files. This article wants to take btrfs for a test-drive. Video Tutorials: […]


while this is possible… i am not sure to recommend this 😀 also make sure there is still some space on the partition to be converted. root@debian9:/# btrfs-convert /dev/sdb6 create btrfs filesystem: blocksize: 4096 nodesize: 16384 features: extref, skinny-metadata (default) […]

GNU Linux – recover deleted files NTFS – undelete ext3 vs ext4 – rescue accidentally deleted data files – overwritten partition table – foremost – gpart

update: extundelete works well on ext3 but kind of failed me on ext4. tools to try: get an overview: what harddisk/partition is what? lsblk; # more detailed lsblk -o “NAME,MAJ:MIN,RM,SIZE,RO,FSTYPE,MOUNTPOINT,UUID” alias harddisk=’lsblk -o “NAME,MAJ:MIN,RM,SIZE,RO,FSTYPE,MOUNTPOINT,UUID”‘ harddisk NAME MAJ:MIN RM SIZE […]


can be easily checked via: root@debian9:~# cat /proc/filesystems nodev sysfs nodev rootfs nodev ramfs nodev bdev nodev proc nodev cpuset nodev cgroup nodev cgroup2 nodev tmpfs nodev devtmpfs nodev debugfs nodev tracefs nodev securityfs nodev sockfs nodev bpf nodev pipefs […]


“XFS is a high performance journaling filesystem which originated on the SGI IRIX platform.” SGI (Silicon Graphics) is out of business since 2009. “The addition of 3D graphic capabilities to PCs, and the ability of clusters of Linux– and BSD-based […]


update: 2019-05: XFS? the way to go? there are at least 3 distros i know of (Fedora/RedHat/CentOS, SuSE/OpenSuse and Trisquel (yes Richard Stallman himself runs xfs!)) using xfs as their default filesystem. “Red Hat Enterprise Linux 7 began defaulting to […]