Category Archives: Red Hat

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

Linux and UNIX HOW-TO: Create simple master and slave DNS Servers

Posted on October 17, 2011 by Hamdan

The procedure below can be used with any UNIX/LINUX flavor. All the machines in this example are using Red Hat Enterprise Linux 5. For simplicity purposes, we will assume the server will resolve names on the LAN: 192.168.0.1/24, and the … Continue reading →

Posted in DNS, DNS Server, HOW-To, Master DNS, network, Red Hat, RHCE, RHEL, Slave DNS, Unix | Tagged , , , , , , , , , , , | 6 Comments

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