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<?xml version="1.0" encoding="UTF-8" ?> <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/"> <channel> <title>Andreas Karis Blog</title><description>Andreas Karis' blog about anything Kubernetes, OpenShift, Linux and Networking</description><link>https://andreaskaris.github.io/blog/</link><atom:link href="https://andreaskaris.github.io/blog/feed_rss_updated.xml" rel="self" type="application/rss+xml" /> <language>en</language> <pubDate>Tue, 05 May 2026 20:53:48 -0000</pubDate> <lastBuildDate>Tue, 05 May 2026 20:53:48 -0000</lastBuildDate> <ttl>1440</ttl> <generator>MkDocs RSS plugin - v1.17.9</generator> <image> <url>None</url> <title>Andreas Karis Blog</title> <link>https://andreaskaris.github.io/blog/</link> </image> <item> <title>SRV6 IP Tunnels with Linux End.DT46 Basics</title> <description><h2>SRV6 IP Tunnels with Linux: End.DT46 Basics</h2> <p>This article demonstrates how to configure SRV6 tunnels using Linux. While SRV6 tunnels can be implemented u...</p></description> <link>https://andreaskaris.github.io/blog/networking/srv6-with-linux-basics/</link> <pubDate>Tue, 05 May 2026 22:53:46 +0000</pubDate> <source url="https://andreaskaris.github.io/blog/feed_rss_updated.xml">Andreas Karis Blog</source><guid isPermaLink="true">https://andreaskaris.github.io/blog/networking/srv6-with-linux-basics/</guid> </item> <item> <title>SRV6 Source Routing with Linux</title> <description><h2>SRv6 Source Routing with Linux</h2> <h3>A quick overview of SRv6 forwarding</h3> <p>For a great explanation of how SRv6 forwarding works, have a look at the [Segment...</p></description> <link>https://andreaskaris.github.io/blog/networking/srv6-with-linux-basics2/</link> <pubDate>Wed, 22 Apr 2026 13:56:40 +0000</pubDate> <source url="https://andreaskaris.github.io/blog/feed_rss_updated.xml">Andreas Karis Blog</source><guid isPermaLink="true">https://andreaskaris.github.io/blog/networking/srv6-with-linux-basics2/</guid> </item> <item> <title>EVPN in the Datacenter Part 2</title> <description><h1>EVPN in the Datacenter: Part 2 - EVPN with centralized routing</h1> <h2>Introduction</h2> <p>This blog post is a continuation of my series about EVPN in the datacenter...</p></description> <link>https://andreaskaris.github.io/blog/networking/evpn-in-the-datacenter-part-2/</link> <pubDate>Sat, 28 Feb 2026 13:49:28 +0000</pubDate> <source url="https://andreaskaris.github.io/blog/feed_rss_updated.xml">Andreas Karis Blog</source><guid isPermaLink="true">https://andreaskaris.github.io/blog/networking/evpn-in-the-datacenter-part-2/</guid> </item> <item> <title>Kubernetes Server Side Apply</title> <description><h1>Server-Side Apply in Kubernetes controllers</h1> <p>This blog post explores Server-Side Apply (SSA) in the context of <code>controller-runtime</code> controllers. We'll exam...</p></description> <link>https://andreaskaris.github.io/blog/coding/server-side-apply/</link> <pubDate>Sat, 28 Feb 2026 13:44:40 +0000</pubDate> <source url="https://andreaskaris.github.io/blog/feed_rss_updated.xml">Andreas Karis Blog</source><guid isPermaLink="true">https://andreaskaris.github.io/blog/coding/server-side-apply/</guid> </item> <item> <title>EVPN in the Datacenter Part 1</title> <description><h1>EVPN in the Datacenter: Part 1 - Datacenter Routing</h1> <h2>Introduction</h2> <p>In this series of blog posts, I will explore the setup of BGP as the routing protocol...</p></description> <link>https://andreaskaris.github.io/blog/networking/evpn-in-the-datacenter-part-1/</link> <pubDate>Wed, 25 Feb 2026 21:20:16 +0000</pubDate> <source url="https://andreaskaris.github.io/blog/feed_rss_updated.xml">Andreas Karis Blog</source><guid isPermaLink="true">https://andreaskaris.github.io/blog/networking/evpn-in-the-datacenter-part-1/</guid> </item> <item> <title>Setting TAP MAC address w/o NET_ADMIN Caps</title> <description><h1>Setting TAP interface MAC address without NET_ADMIN capabilities</h1> <p>When working with TAP interfaces, you might need to change MAC addresses without having N...</p></description> <link>https://andreaskaris.github.io/blog/linux/set-tun-mac-privileges/</link> <pubDate>Fri, 11 Jul 2025 21:33:14 +0000</pubDate> <source url="https://andreaskaris.github.io/blog/feed_rss_updated.xml">Andreas Karis Blog</source><guid isPermaLink="true">https://andreaskaris.github.io/blog/linux/set-tun-mac-privileges/</guid> </item> <item> <title>OVN standalone on Fedora</title> <description><h1>OVN standalone on Fedora</h1> <h2>Base setup</h2> <h3>Single node DB on ovn1</h3> <h4>Configuration and installation</h4> <p>For this tutorial, I am using Fedo...</p></description> <link>https://andreaskaris.github.io/blog/networking/ovn_standalone_on_fedora/</link> <pubDate>Thu, 26 Jun 2025 20:02:02 +0000</pubDate> <source url="https://andreaskaris.github.io/blog/feed_rss_updated.xml">Andreas Karis Blog</source><guid isPermaLink="true">https://andreaskaris.github.io/blog/networking/ovn_standalone_on_fedora/</guid> </item> <item> <title>CPU isolation in Red Hat OpenShift Container Platform</title> <description><h2>CPU isolation in Red Hat OpenShift Container Platform</h2> <p>Two complementary features allow admins to partition the node's CPUs according to their needs. 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According to [anecdotal evidence](https://linrunner.de/tlp/faq/battery....</p></description> <link>https://andreaskaris.github.io/blog/linux/protect-lenovo-battery/</link> <pubDate>Thu, 20 Jun 2024 14:59:35 +0000</pubDate> <source url="https://andreaskaris.github.io/blog/feed_rss_updated.xml">Andreas Karis Blog</source><guid isPermaLink="true">https://andreaskaris.github.io/blog/linux/protect-lenovo-battery/</guid> </item> <item> <title>Netlink and MAC addresses</title> <description><h2>Netlink address fields IFLA_ADDRESS, IFLA_BROADCAST and IFLA_PERM_ADDRESS</h2> <p>A few days ago, I had to figure out how applications such as iproute2 read the ...</p></description> <link>https://andreaskaris.github.io/blog/networking/netlink-address-fields/</link> <pubDate>Mon, 13 May 2024 11:22:39 +0000</pubDate> <source url="https://andreaskaris.github.io/blog/feed_rss_updated.xml">Andreas Karis Blog</source><guid isPermaLink="true">https://andreaskaris.github.io/blog/networking/netlink-address-fields/</guid> </item> <item> <title>udev rules to apply ethtool settings</title> <description><h1>udev rules to apply ethtool settings</h1> <p>In order to apply specific ethtool settings to all interfaces matching a specific regular expression, run: ``` cat &lt;&lt;...</p></description> <link>https://andreaskaris.github.io/blog/linux/udev-ethtool/</link> <pubDate>Mon, 29 Apr 2024 19:44:04 +0000</pubDate> <source url="https://andreaskaris.github.io/blog/feed_rss_updated.xml">Andreas Karis Blog</source><guid isPermaLink="true">https://andreaskaris.github.io/blog/linux/udev-ethtool/</guid> </item> <item> <title>OpenShift with iSCSI multipath</title> <description><h2>Kubernets iSCSI volume driver</h2> <p>The iSCSI volume driver can work as both a single path iSCSI initiator or with multipath. For some information about the dr...</p></description> <link>https://andreaskaris.github.io/blog/openshift/openshift-with-multipath/</link> <pubDate>Fri, 12 Jan 2024 18:05:09 +0000</pubDate> <source url="https://andreaskaris.github.io/blog/feed_rss_updated.xml">Andreas Karis Blog</source><guid isPermaLink="true">https://andreaskaris.github.io/blog/openshift/openshift-with-multipath/</guid> </item> <item> <title>kernel-ml on OpenShift</title> <description><h1>kernel-ml on OpenShift</h1> <p>In order to find out if a kernel bug was already fixed upstream, it may sometimes be necessary to test the upstream kernel on top o...</p></description> <link>https://andreaskaris.github.io/blog/openshift/kernel-ml-on-openshift/</link> <pubDate>Thu, 23 Nov 2023 18:46:14 +0000</pubDate> <source url="https://andreaskaris.github.io/blog/feed_rss_updated.xml">Andreas Karis Blog</source><guid isPermaLink="true">https://andreaskaris.github.io/blog/openshift/kernel-ml-on-openshift/</guid> </item> <item> <title>Setting journalctl limits</title> <description><h2>Changing the size of data that journald retains</h2> <p>The systemd journal by default retains 4GB of data. 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