Linux

Forgot to mention kernel update

Byetzion 17/06/2006

Kernel version 2.6.16.9, so I will supply its config file here config-2.6.16.9.txt. Same procedure as before.

Good luck.

Linux

Quick solve package dependency with rpm –aid
Byetzion 22/01/2008

This is relevant for Redhat EL 3 and 4, and any other compatible system not using “yum”. RHEL5 uses “yum”, and its RPM system does not include the “–aid” flag, which we require so much. 1. Place all the available RPMS (I assume these are the installation medias, combined) in a single directory – for…

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bash | Linux | Virtualization

SecureBoot and VirtualBox kernel modules
Byetzion 01/06/201919/01/2022

Installing VirtualBox on Ubuntu 18 (same as for modern Fedora Core) with SecureBoot will result in the following error when running the command /sbin/vboxsetup The error message would be something like this: There were problems setting up VirtualBox. To re-start the set-up process, run /sbin/vboxconfig as root. If your system is using EFI Secure Boot…

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Linux

Linux answers to ARP who-is on the wrong network interface
Byetzion 14/04/2017

Assume a server has two network interfaces as follows: eth0 : 192.168.0.1/24 eth1 : 192.168.10.1/24 Let’s assume these interfaces reside on the different VLANs. Lets assume they were connected incorrectly, in such a way that eth0 is connected to VLAN 10, which servers 192.168.10.0/24 and eth1 is connected to VLAN 2, which serves 192.168.0.0/24. You…

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Disk Storage | Linux | Scripting/Programming | Virtualization

Quick provisioning of virtual machines
Byetzion 01/02/2008

When one wants to achieve fast provisioning of virtual machines, some solutions might come into account. The one I prefer uses Linux LVM snapshot capabilities to duplicate one working machine into few.

This can happen, of course, only if the host running VMware-Server is Linux.

LVM snapshots have one vast disadvantage

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Linux | Scripting/Programming

Customizing the Anaconda Installer Boot Image with product.img
Byetzion 04/02/202504/02/2025

Red Hat’s Anaconda installer, used by Red Hat Enterprise Linux, Oracle Linux, and other RHEL-like distributions, offers a powerful customization method through an additional product.img file. This technique allows you to modify the first boot sequence with relative ease. What is product.img? The product.img is an additional image file that can be used to override…

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Linux

Troubleshooting weird networking problem
Byetzion 09/08/2006

Problem as follows: A Linux server is connected to a 1Gb/s LAN using 1Gb/s interface. I was told that SSH to the machine fails with “socket error” when done from Windows/Putty. One of the tests was done using Linux/ssh client, and it went fine. A switch was replaced, and other methods of detection showed weird…

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