---
title: ELOS Technologies Blog - CZ | Jan Burian
description: Jan has been working in the IT industry since 2009, gaining experience mainly in network and system administration. As a Senior Systems Engineer, he is now focused on automation and container technologies, helping our customers with their transformation projects. In addition, he is also a Red Hat Certified Instructor, enthusiastic to pass his knowledge to others. Outside of the office, Jan enjoys nature trips with his dog. When on the boat, you can see him often behind the helm or trimming the mainsail.
---

[![logoELOS black-1](https://blog.elos.navy/hs-fs/hubfs/logoELOS%20black-1.png?width=844&height=253&name=logoELOS%20black-1.png)

![Logo-ELOS-Large-Canavas-1](https://blog.elos.navy/hs-fs/hubfs/Logo-ELOS-Large-Canavas-1.png?width=200&height=64&name=Logo-ELOS-Large-Canavas-1.png) 

](https://elos.navy/cs/)

[**](https://blog.elos.navy/cs/author/jan-burian#tmpmodule_1568675152246189)

**

![Jan Burian](https://blog.elos.navy/hubfs/Burian_1_1.png)

### Jan Burian

 Jan has been working in the IT industry since 2009, gaining experience mainly in network and system administration. As a Senior Systems Engineer, he is now focused on automation and container technologies, helping our customers with their transformation projects. In addition, he is also a Red Hat Certified Instructor, enthusiastic to pass his knowledge to others. Outside of the office, Jan enjoys nature trips with his dog. When on the boat, you can see him often behind the helm or trimming the mainsail.

#### Recent posts by Jan Burian

###### 1 min read

## [OpenShift 3.11 a certifikáty nodů](https://blog.elos.navy/cs/openshift-3.11-a-node-certifikáty)

 By [Jan Burian](https://blog.elos.navy/cs/author/jan-burian) on 29.12.2020 17:33:11

[![](https://blog.elos.navy/hubfs/AdobeStock_34189758.jpeg) ](https://blog.elos.navy/cs/openshift-3.11-a-node-certifikáty)

Provozujete OpenShift cluster ve verzi 3.11? Setkali jste se již s vypršením platnosti certifikátů nodů? Museli jste žádosti o certifikát ručně potvrdit, aby došlo k obnově certifikátu? Říkáte si proč tomu tak je? Pokud odpovíte na jednu nebo více z těchto otázek ano, pak čtěte dále.

[All posts](https://blog.elos.navy/cs/all)

 

## Chcete se dozvědět více?

Prostě jen klikněte na tlačítko níže a zarezervujte si s námi bezplatnou konzultaci.

 

[![ZAREZERVOVAT KONZULTACI ZDARMA](https://hubspot-no-cache-eu1-prod.s3.amazonaws.com/cta/default/4499183/9bc48832-e437-4bf6-8de9-bfeac7fab9e0.png)](https://hubspot-cta-redirect-eu1-prod.s3.amazonaws.com/cta/redirect/4499183/9bc48832-e437-4bf6-8de9-bfeac7fab9e0)

 

### Aktuální příspěvky

### Příspěvky podle štítků

### Přihlaste se k odběru

##### Domů

Home

##### Portfolio

Portfolio

##### Posádka

The Crew

##### Školení

Training

[![logoELOS black-1](https://blog.elos.navy/hs-fs/hubfs/logoELOS%20black-1.png?width=80&height=24&name=logoELOS%20black-1.png "logoELOS black-1")](https://elos.navy)

Copyright © 2021 ELOS Technologies All rights reserved

[**](https://www.facebook.com/elostech/)[**](https://twitter.com/ElosTechnologie)[**](https://www.linkedin.com/company/877141/admin/)[**](https://www.youtube.com/channel/UCAyKbFyDLep98KsMX_XTlOg)

**