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Overview of the Support Lifecycle for a few selected Enterprise Linux Distributions

This was first posted on http://linuxdistributions-lifecycle-comparison.cloud7-itconsult.com Overview of the Support Lifecycle for a few selected Enterprise Linux Distributions. Last Updated 26.11.2014 RedHat Enterprise Linux (13 year extended support) RedHat Enterprise Linux RHEL 7 RHEL 6…

Debian 7: Installing iSCSI LUN as raw disk (iSCSI initiator)

I have a new Debain 7 server (VM) and would like to use a raw iSCSI Lun on it presented from my QNAP (and put ZFS on it at the end…

VPS : Basic checks for performance of a VPS and or a Server

There is more than one way to check the performance available on a VPS Server but I go for a 1st quick shot to test if something is falling over.…

Ubuntu / DigitalOcean indicator applet

Update 03.03.2015: Added author link and changed the installation procedure to match the latest. I hate searching for something more than 10 minutes … twice. I have some things running…

BTRFS: Fun with BTRFS enabling compression

The initial reason reason for installing BTRFS was that I like the zfs features of snapshots, compression and deduplication. Deduplication under btrfs is possible but somehow external and I don’t…

BTRFS How to make a snapshot and rollback

I’ve mentioned earlier on how to fix the root FS filling up with snapshots generated by apt-get upgrade Now assume I do need to rollback because of whatever went wrong.…

BTRFS and filling up / filesystem with snapshots (@apt-snapshot)

In addition to my ZFS adventures I recently also installed Ubuntu 14.04 with btrfs as root. While the installation was straight forward and went fine I spotted that after some while…

Centos / Debian / LVM: Add a new disk as a LVM volume

If you just added a new Disk to a Linux Box (for example under VMware) you may want to add that one to a LVM to a new Volume Group.…

CentOS / Debian: detect a new disk / lun without rebooting linux

Particularly under VMware you may just add a new disk to linux without the need to reboot the whole thingy. So after adding the new disk as root on the…

CentOS 6.x / Debian / Ubuntu: NFS or SMB/CIFS alternative sshfs

Situation: For whatsoever reason neither NFS nor SMB/CIFS are a runner on the environment. However I need to get permanent access to a shared filesystem. Solution: sshfs http://en.wikipedia.org/wiki/SSHFS It is…