Pulp, what is it about it?
Thanks to Máirín’s posting I got aware of the Pulp project. What is it? I had a brief look at it, it is a Red Hat sponsored project with a similar functionality like Spacewalk and RHN Satellite. This...
View ArticleI voted for beefy miracle
There is a open poll on voting for a name for Fedora 16. I gave my vote to Beefy Miracle. Why I voted for Beefy Miracle? Because it is cool, geeky, freaky, I’m loving hot dogs and it is something...
View ArticleI got employed by Red Hat
This is pretty cool: End of March I signed a contract with Red Hat as a senior Linux consultant. It is not just “another new job”. It is cool for (at least) two reasons: First reason is that Red Hat is...
View ArticleIdentity Management with IPA Part II – Kerberized NFS service
In part one I was writing how to set up an IPA server for basic user authentication. One reason NFSv4 is not that widespreaded yet, is it needs Kerberos for proper operation. Of course this is now much...
View ArticleHow to get a RTL2832U based DVB-T stick working on Fedora 17
This week I bought a no-name DVB-T stick with the risk to not getting it working with Linux. The device contains a RTL2832u chip which seems to be quite common according to this list. The price tag was...
View ArticleMigrating from CentOS6 to RHEL6
There are different tutorial on the net how to migrate from RHEL to CentOS but almost no information about the other way round. It is quite simple and at the end of the day you have only Red Hat...
View ArticleHow to recover from a lost Kerberos password for admin
Ever lost your password for the admin principle on your Linux Kerberos server? It is quite easy to recover by just setting a new one. You just need to log in to your KDC and proceed as follows:...
View ArticleRHEV 3.1 – an overview about the new features
Recently Red Hat announced the public availability of RHEV 3.1. Finally, no more Windows needed for the whole software stack In 3.0, the new webadmin interface was already inncluded, as a tech preview...
View ArticleCreating a PHP application on Openshift
What is OpenShift? It is a cloud, it is from Red Hat. More precisely: A PaaS (Platform As A Service). It is available since quite some time now and I finally found some time to test it. Conclusion: It...
View ArticleWhy journalctl is cool and syslog will survive for another decade
There was a recent discussion going on if Fedora 20 should drop rsyslog and just using systemd journal. A lot of people are afraid of systemd and its journal, this a pity. Well, there are pros and cons...
View ArticleUpgrading RHN Satellite 5.6 to 5.7
This post guides you trough the upgrade procedure for a Satellite 5.6 using the embedded database on RHEL6-x86_64. Further it guides you to setup of Kerberos authentication of Satellite users with IPA....
View ArticleUsing IPA to provide automount maps for NFSv4 home directories
Since the invention of NFSv4, automount NFS home directories is secure. Since the invention of IPA, its easier to set up and maintain. This article guides you trough the steps needed to set it up. The...
View ArticleBuilding a virtual CEPH storage cluster
This post will guide you trough the procedure to build up a testbed on RHEL7 for a complete CEPH cluster. At the end you will have an admin server, one monitoring node and three storage nodes. CEPH is...
View Article2FA with (Free) IPA. The good, the bad and the ugly
Two factor authentication (2FA) is more and more emerging which is good to enhance security. Since the release of IPA4 it comes with 2FA included. Over time I made a lot of experiments and experience I...
View ArticleIdentity Management und 2FA mit (Free)IPA @Chemnitzer Linuxtage 2015
My first post in German, publishing the Slide Deck (in German) for my presentation about IPA and 2FA held at Chemnitzer Linux days 2015. Mein erster Post in Deutsch. Hier die Slides von meinem Vortrag...
View ArticleUpdating Fedora to version 23 – how to workaround some issues
After upgrading two machines from Fedora 22 to 23 I stumbled upon some severe issues. Most of them are easy to solve. This weekend I’ve found some time to upgrade my headless router and one of my...
View ArticleIntegrate IPA in your Web application i.e. WordPress
Tired of log in to your favorite Web application? Integrate it with IPA, kerberize it! This blog post will guide you trough the kerberization of WordPress running on RHEL7 or Fedora. The magic is done...
View ArticleFreeIPA and Selective 2FA with Kerberos Authentication Indicators
One of the major new features in FreeIPA 4.4 is the introduction of Authentication Indicators in Kerberos tickets. This allows you to selectively enforce 2FA. Usecases Usually a Linux environment...
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Integrate Dovecot IMAP with (Free)IPA using Kerberos SSO
Dovecot can make use of Kerberos authentication and enjoying Single-Sign-On when checking emails via IMAP. This post shows you how you enable this feature. With IPA its rather simple to do so. First...
View ArticleIntegrate IPA in your Web application i.e. WordPress
Tired of log in to your favorite Web application? Integrate it with IPA, kerberize it! This blog post will guide you trough the kerberization of WordPress running on RHEL7 or Fedora. The magic is done...
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