• Sat. Feb 27th, 2021

Ubuntu / Debian

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Ubuntu : zram memory compression (compressed swap in ram)

Update 02.03.2015: added (modified) Centos / Redhat: A successor to compcache is zram which is fully integrated in the Linux kernel since 2.6.37.1 and uses lzo compression. The idea behind it is…

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…

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…

Debian 7.0 Wheezy / Proxmox 3.x: Install ZFS Native

In relation to the outdated post http://www.solaris-cookbook.eu/linux/debian-kanotix-proxmox-install-zfs-native/ Things have become much easier now How to install ZFS native on Debian 7 or Proxmox 3.x 1) become root sudo su –…

Linux / RedHat /CentOS / Ubuntu / Debian /Solaris : Quick Howto SSH login without password (SSH Keys)

I do it on a regular base but everytime need to go back to my cheat sheet to jumpstart my memory. Whenever I need to reach one system from another…

RedHat / Ubuntu / Solaris / Linux: Slow SSH logins (5 second delay)

I experienced some slowness with the username / password prompts appearing in sshd logins. I don’t know why, but there is a good chance that this is due to a reverse DNS lookup issue.…

Ubuntu / Mint: Install latest Nvidia drivers

Constantly having trouble with the Nvidia drivers install. Quick howto: If there is already any NVdiai driver installed, then run : telinit 1 #to go to single user mode sudo…

Debian / Kanotix / Proxmox: Install ZFS Native

Install ZFS Native on Kanotix / Debian Squeeze / Proxmox 2.1 This whole thing below is obsolete. I created a new post with up to date details for Debian 7.0…

Ubuntu/Debian: Fix NO_PUBKEY Error For The Repositories

I constantly get annoyed when I add a new repository and get for example an: GPG error: http://archive.getdeb.net oneiric-getdeb Release: The following signatures couldn't be verified because the public key…