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Advanced Linux Command Mastery

Linux has two interesting pages online (part 1, part2) explaining some sophisticated commands that you will find extremely useful. The --reference option on chmod, the 'stat' and 'skill' commands are as handy as a Swiss knife in though sysadmin times...

Software RAID5 with mdadm


Software RAID5 in Linux with mdadm is a great way to gain massive amounts of disk space which are required for storing digital media, with the added security of data redundancy incase one of the disks in the array fail. Many people will point out that software RAID5 performance is horrible, but as the article points out, with multicore CPU's there is little point in offloading such a ’small’ task. (Note : home use here, wouldn't run a 300GB database on this, off course).


What I learned from setting up ZFS on my fileserver


What I learned from setting up ZFS on my fileserver is an interesting look on the possibilities of different filesystems on differents OS'es, including OpenSolaris, BSD and Linux. Quite a different view from the ZFS. Respect article, which literally says "My personal opinion is that filesystems on Linux suck.".

My own opinion for file systems for home use : LVM and mdadm are sufficient, but YMMV off course.



andLinux is a complete Ubuntu system capable of running Linux apps natively on windows. It uses the coLinux Windows compiled Linux kernel to achieve this, and you can install more applications with aptitude. I can imagine situations where I would like to use this.


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