Overview

Highlighted posts

SCCs and mutating webhooks - a lesson learned 2023-02-13
Useful network commands ** updated 2023-01-17
BPF and tcpdump ** updated 2022-11-18
Building custom release images for OpenShift 2022-10-19
My vimrc for Golang developement 2022-06-21
Golang IP address conversion 2022-03-15
Packet tracing with OVN 2022-02-16
Patch service.loadBalancer.ingress manually 2022-02-14
Accept Source Routing 2022-01-21

Latest posts

RSS, IRQ affinity and RPS on Linux

Published at: 8/8/24, 11:36 PM

SELinux Cheat Sheet

Published at: 7/19/24, 3:04 PM

Protect Lenovo laptop battery

Published at: 6/20/24, 2:59 PM

Netlink and MAC addresses

Published at: 5/12/24, 9:25 PM

CPU isolation in Red Hat OpenShift Container Platform

Published at: 5/6/24, 8:08 PM

udev rules to apply ethtool settings

Published at: 4/29/24, 7:44 PM

OpenShift with iSCSI multipath

Published at: 1/12/24, 5:53 PM

kernel-ml on OpenShift

Published at: 11/23/23, 6:41 PM

Seccomp defaults in Red Hat OpenShift Container Platform

Published at: 9/25/23, 7:20 PM

Hands-on with OVN Interconnection

Published at: 9/11/23, 6:37 PM

rpm-ostreed failed to find image

Published at: 8/15/23, 8:03 PM

Workaround for org.gnome.shell.overrides not installed

Published at: 5/3/23, 7:38 PM

DedicatedServiceMonitors in OpenShift Monitoring

Published at: 5/3/23, 3:53 PM

Using cgroups for CFS bandwidth control

Published at: 3/27/23, 11:28 AM

How kubelet monitors filesystems

Published at: 3/22/23, 5:03 PM

SCCs and mutating webhooks - a lesson learned

Published at: 2/13/23, 10:16 PM

Building custom release images for OpenShift

Published at: 10/19/22, 2:17 PM

My vimrc

Published at: 6/14/22, 1:38 PM

Golang IP address conversion

Published at: 3/15/22, 12:30 PM

Packet tracing with OVN

Published at: 2/16/22, 5:46 PM

Patch status.loadBalancer.ingress IP manually

Published at: 2/14/22, 1:52 PM

Accept Source Routing

Published at: 1/21/22, 12:05 PM

Useful commands for OpenShift SDN

Published at: 12/8/21, 5:27 PM

Useful commands

Published at: 10/19/21, 2:20 AM

Analyzing CNI calls

Published at: 8/27/21, 2:44 PM

Install Open vSwitch on Rocky Linux 8

Published at: 8/23/21, 1:43 PM

Retrieving process cgroup resource usage and limit info

Published at: 6/30/21, 6:34 PM

Get vs List API Calls

Published at: 6/29/21, 2:51 PM

iPXE boot environment on Fedora

Published at: 6/25/21, 4:42 PM

RHEL Booting a virtual machine with UEFI but without secure boot

Published at: 6/22/21, 7:00 PM

Setting journalctl limits

Published at: 4/22/21, 5:18 PM

BPF and tcpdump

Published at: 3/23/21, 12:16 PM

haproxy and HTTP/2

Published at: 3/15/21, 12:58 PM

Horizontal Pod Autoscaler

Published at: 3/1/21, 12:54 PM

Java Idrac Issues

Published at: 2/19/21, 7:09 PM

How RHCOS updates work

Published at: 1/22/21, 12:03 PM

Mount a container image

Published at: 12/30/20, 5:14 PM

OpenShift on OpenStack

Published at: 12/9/20, 4:20 PM

Controller Reconciliation

Published at: 12/4/20, 1:32 PM

Kind with private registry

Published at: 11/27/20, 6:16 PM

Private container registry

Published at: 11/27/20, 1:18 PM

Etcd Performance tests

Published at: 11/5/20, 12:09 PM

SElinux labels fix

Published at: 10/8/20, 4:51 PM