There are two topics I would like to describe here, for later reference (by myself, of course. This blog is my extended memory). The first is about how to create a bootable ISO out of RHEL extracted ISO, and the other is about how to download only specific update, or make your own RHEL updates…
Let’s say you have old shelves of either EMC or NetApp with SAS or SATA disks in them. And let’s say you want to connect them via FC to a Linux machine and have some nice ZFS machine/cluster, or whatever else. There are few things to know, and to attend in order for it to…
When using Ricci as the engine for ‘cman_tool version -r’ command, you will experience timeouts (and practically – you will be unable to use ricci to update the cluster configuration across the nodes) when the ricci user password contains XML-sensitive characters, like <>&, etc. As they say – FYI 🙂
This is a very nice project I have been working on. The hardware at hand – two servers, with a shared SAS bus containing several SAS disks. Since it’s a shared bus, no RAID solution would cut it, and as I don’t want to waste disks with ASM (“normal” redundancy meaning half the size…), I…
A quick note about extracting and recreating RHEL6 or Centos6 (and their derivations) installation media components: Initrd: Extract: Archive (after you applied your changes): /images/install.img: Extract: Archive (after you applied your changes): Additional note for Anaconda installation parameters: I did not test it, however there is a boot flag called stage2= which should lead to…
I have had recently the pleasure and challenge of setting up VPN server for mobile devices on top of Linux. the common method to do so would be by using IPSec + L2TP, as these are to more common methods mobile devices allow, and it should work quite fine with other types of clients (although…
