Tag Archives: linux

My Family Name Domain and the Multilingual Ransomware Scam

By | May 12, 2025

I own my family name as an internet domain with several country codes. It’s not every day you get to claim your heritage in the digital world like that. However, this seemingly harmless act has turned me into an unexpected recipient of a rather peculiar type of email: the multilingual ransomware scam. My inbox, normally… Read More »

Fedora Linux: Boot a system from grub prompt

By | February 19, 2016

I had a situation when from a strange reason a default grub setup as a result of a system recovery was missing the lvm and raid modules so I was not able to boot. I have the following setup on the server: – my boot partition is in fact an ext4 partition over a mdraid… Read More »

Fedora Linux: Recover a corrupted system with a RAID1 boot partition with a lvm RAID1 root partition

By | February 19, 2016

There are times when even experimented sysadmins do stupid things. One of that moments happened to me when I tried some speed tests on my ssd RAID1. The result was not so satisfactory. Corrupted /boot partition with missing files and orphan inodes. To make things more complicated I have the following constraints that make this… Read More »

RedHat/Fedora Linux NIC bonding

By | February 9, 2017

Red Hat Enterprise Linux allows administrators to bind multiple network interfaces together into a single channel using the bonding kernel module and a special network interface called a channel bonding interface. Channel bonding enables two or more network interfaces to act as one, simultaneously increasing the bandwidth and providing redundancy. The behaviour of the bonded… Read More »

#DRBD based disk replication of a production cluster to a remote site cluster on RHEL 6

By | May 26, 2017

1 General Considerations Our example enterprise applications run on a Linux Cluster with a shared cluster storage resource. Having this HA setup ensures that we have a high rate of service availability on the production site. To ensure that the disruption time in service of our enterprise application is minimal as possible the best solution… Read More »