Redhat Virtualization / rhev 3.5 on rhel7 with hosted-engine (rhel7 rhev 3.5)

This howto is going to walk you trough an installation of hosted engine on rhel7 for redhat virtualization 3.5. Important, before you start make sure you have the following already setup (3 Hosts with these components): Network: Your hostname (hypervisor and hosted engine) must have a dns name which resolve! Storage: Have an nfs or Read more about Redhat Virtualization / rhev 3.5 on rhel7 with hosted-engine (rhel7 rhev 3.5)[…]

Install OpenShift Enterpirse 2.2 Non HA

This guide will help you to setup an OpenShift non HA environment within less than an hour. We are installing 1 Broker and 2 nodes. If you do not have a satellite server and need local repos, these are the channels you need to clone are have available: jbappplatform-6-x86_64-server-6-rpm jb-ews-2-x86_64-server-6-rpm rhel-x86_64-server-6-ose-2.2-infrastructure rhel-x86_64-server-6-ose-2.2-jbosseap rhel-x86_64-server-6-ose-2.2-node rhel-x86_64-server-6-ose-2.2-rhc rhel-x86_64-server-6-rhscl-1 Read more about Install OpenShift Enterpirse 2.2 Non HA[…]

Gitlab 6.0 (6.x) installation instructions with SCL for Rhel 6.4 and Centos 6.4

Step 1a. If you have a rhel subscription subscribe to the base, optional and redhat software collection beta channel. You will also need the official nginx repository (http://wiki.nginx.org/Install#Official_Red_Hat.2FCentOS_packages). Step 1. If your on Centos add the SCL repo to your Rhel/Centos installation and bring in the official nginx repository (http://wiki.nginx.org/Install#Official_Red_Hat.2FCentOS_packages ).

Make sure you Read more about Gitlab 6.0 (6.x) installation instructions with SCL for Rhel 6.4 and Centos 6.4[…]

Gitlab 5.2 on RHEL/Centos 6.4 with SCL / Software Collection outdated

Redhat release software collection January this year. It’s kind of cool as it lets you install newer versions of ruby perl python etc. Gitlab requires version ruby193 which is very easy to install with scl. This install guide is based on the original gitlab install guide which can be found here “https://github.com/gitlabhq/gitlab-recipes” and shows you howto Read more about Gitlab 5.2 on RHEL/Centos 6.4 with SCL / Software Collection outdated[…]

DNS Master / SLAVE TSIG on RHEL 5.8

I am using 2 dns server here. 192.168.2.83 (Master) and 192.168.2.86 (Slave) First lets setup the Master 1. Create /etc/named.conf as RHEL 5.8 does not provide a sample file. Then add the following content to it

2. Create the zone files. Lets begin with the reverse zone in /var/named/2.168.192.in-addr.arpa.zone

3. Add forward zone Read more about DNS Master / SLAVE TSIG on RHEL 5.8[…]

Kerberos on Centos 5.9 RHCSS

First make sure that your time is in sync. So install and configure ntp first. 1. Here is a very basic ntp.conf

2. Install the ypserv nis package

3. Add these 2 values to /etc/sysconfig/network

Set the NIS domain on the KDC server and add it to /etc/yp.conf:

4. As nis Read more about Kerberos on Centos 5.9 RHCSS[…]

Logstash amqp ipv6 DNS lookup on CentOS 6.2 openjdk jruby

Today I was working on creating a logstash -> logstash -> elasticsearch -> kibana setup. As we run a dual stack ip v4/v6 environment both ipv4 and ipv6 addresses need to work. After installing logstash and adding the following config as an input filter on the indexer: input { amqp { # get logs to Read more about Logstash amqp ipv6 DNS lookup on CentOS 6.2 openjdk jruby[…]

Update: Oracle Linux: A better alternative to CentOS …really?

Got a nice hint from Oracle this week that they fixed the lack of having CVE information in their yum repos. As I wrote in a previous blog post, it was disappointing that at the time of releasing OEL for the “masses” they did not have metadata available which put them on par with CentOS. Read more about Update: Oracle Linux: A better alternative to CentOS …really?[…]

Oracle Linux: A better alternative to CentOS …really?

Last week I came across this link:  http://linux.oracle.com/switch/centos/ and thought “wow, this might be a very nice alternative to RHEL.” Here is a quote of Oracles site: “FAQ Wait, doesn’t Oracle Linux cost money? Oracle Linux support costs money. If you just want the software, it’s 100% free. And it’s all in our yum repo Read more about Oracle Linux: A better alternative to CentOS …really?[…]


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