Category: Red Hat

Self-signed certificate is not necessarily something bad if you can actually validate or trust the source. For example if it’s accessed through a private network link. If you are accessing…

As a part of installation process of a proprietary system, my team was requested to run a small program that determine a fingerprint of a system as a part software…

Yes. yes, I admit that the title is ridiculous. Anyhow, you should now have WildFly up and running, so let’s move on. To accommodate the kie-server and specifically the Drools…

Red Hat Decision Manager (RHDM) is great BRMS platform. But as affordable as Red Hat subscription compared to its’ Oracle or IBM counterparts, it’s still not cheap. Alternatively, or if…

Applies to: RHEL v5 or newer Any other linux distro, I guess? You can get the LUN ID info for certain LUN, by either performing several commands. If you have…

Applies to: RHEL v5 or newer To the rest of us, the included OpenJDK shipped on our RHEL installer is more than enough. But for some peculiar reason, application vendors…

If you want your local installation of sendmail to forward all emails to certain, external smtp server, all you have to do is to enable and setup the smarthost feature…

In an unlikely event that you need to unmount an NFS share that no longer exist, what you need to do is: [root@glaurung ~]# umount -f -l /media/backup Cause things…

To use the IBM XIV to its’ fullest potential, the host attachment kit is necessary. With Host Attachment Kit, managing XIV path and LUNs is a straightforward task. Of course…

So, the OS disk at  one of RHEL boxen on my vm farm is toasted and I need to check the health of the remaining disks, which are using LVM2.…