Category Archives: Linux

What kind of Unix Administrator are you?

Posted on February 7, 2013 by Hamdan

I’ve read this few years ago, and it made me laugh so hard. According to the article, there are three types of Unix Administrators: The technical thug, the administrative fascist, the maniac, and the idiot. If you worked with Unix … Continue reading →

Posted in community, humor, Linux, System Administration, Unix, User Administration | Tagged , , , , , , , , | Leave a comment

Linux and UNIX HOW-TO: Setup a basic OpenLDAP Client and Server

Posted on October 21, 2011 by Hamdan

The topic of LDAP seems to be little bit complicated at the beginning, so we will start with a simple example to for demonstration purposes. We will use two machines in this example: a client and a server, both running … Continue reading →

Posted in authentication, Directory Services, HOW-To, LDAP, Linux, network, Open Source, OpenLDAP, Red Hat, RHCE, RHEL, Unix, User Administration | Tagged , , , , , , , , , , , , , , , | 4 Comments

Data Migration using EMC OpenReplicator Hot PULL

Posted on October 17, 2011 by Mousa Elian

HOW TO: OpenReplicator Hot PULL  step by step     1.Environment:  Destination VMAX, Source :CX4   ,  OS=Window 2008 ,  Application: Exchange , Cluster: Window CCR Cluster , replication cluster   *Control Device: VMAX,  control device the one who manage the … Continue reading →

Posted in EMC, HOW-To, Linux, Migration | Tagged | 6 Comments

Happy System Administrator Appreciation Day !

Posted on July 29, 2011 by Hamdan

Happy System Administrator Appreciation day everyone ! Here’s to a year full of fun and hard work Enjoy the song …

Posted in community, humor, Linux, Music, Unix | Leave a comment

Data Migration Using LVM Mirroring

Posted on July 26, 2011 by Mousa Elian

In the below we will describe how to migrate data using Linux LVM , and how to change the quorum disk on a clustered Linux. Let’s assume that we have RHEL 5.4 linux hosts that have the volume group: “vgdata”. … Continue reading →

Posted in EMC, EMC VNX, HOW-To, HP, HP EVA, Linux, LVM, Migration, Red Hat, RHEL, SAN, Storage | Tagged , , , | Leave a comment