Red Hat Certified System Administrator (RHCSA) was launched in November 2010. It replaces the old Red Hat Certified Technician (RHCT) qualification. The RHCSA exam (EX200) is 100% performance-based, coming after a review of the knowledge and skills required daily by today’s system administrators.
This method should work on ESXi/Vsphere/Vmware Workstation. Please follow the following instructions, It is same for installing vmware tools for linux. How to install VMware Tools in a CentOS Guest First, you must select option for Install/Upgrade Tools in your eSXI./Vshere/Vmware Workstation To this, Right click on virtual machine→ Guest Menu → Install/Upgrade Vmware Tools. […]
This installation is same for all rpm based systems like (Centos/Fedora/RHEL/SLES/Opensuse/Mandriva..) This tutorial is about 11.2 version client, but should work even for 12.1 version. Packages are: oracle-instantclient11.2-basic-184.108.40.206.0-1.x86_64.rpm oracle-instantclient11.2-sqlplus-220.127.116.11.0-1.x86_64.rpm oracle-instantclient11.2-devel-18.104.22.168.0-1.x86_64.rpm In the future, i will include a post with how to download these packages. 1. Oracle Client Installation Go to Downloaded rpm packages directory and [&...
Dear Unixmen Fans, today we will show you the steps about how to install Oracle Database 12c in openSUSE. Also, this will work on SUSE Linux Enterprise Server too. About my machine: Vmware with 4GB RAM Linux Opensuse 13.2 64bit Hostname: opensuse-unixmen Network: eno167777 Link encap:Ethernet HWaddr 00:0C:29:65:7C:EB inet addr:192.168.64.130 Bcast:192.168.64.255 Mask:255.255.255.0 inet6 […]
In this brief tutorial, let us show you how I have upgraded my centos 7 kernel to the latest stable version. I am going to use a simple way so that beginners can easily understand how to upgrade to latest kernel. Machine details: cat /etc/os-release NAME="CentOS Linux" VERSION="7 (Core)" ID="centos" ID_LIKE="rhel fedora" VERSION_ID="7" PRETTY_NAME="CentOS Linux […]
Lets show you how to install userdir for Centos 7 with Selinux Enabled. in this method all users should have their own public_html directory. 1. Go to root user su - root 2. Create /etc/httpd/conf.d/userdir.conf file Install apache: yum install httpd -y Enable Apache Userdirs vi /etc/httpd/conf.d/userdir.conf add: <IfModule mod_userdir.c> # # UserDir is disabled by […]
The Iptables feature is not included in Centos7 and RHEL 7 by default. Iptables is replaced with firewall-cmd. But, there are still some peoples use and familiar with traditional Iptables. In this brief tutorial, let us see how to replace firewall-cmd using Iptables in CentOS 7. Diable firewalld service: systemctl stop firewalld systemctl mask firewalld […]
Git is a distributed revision control system with an emphasis on speed, data integrity, and support for distributed, non-linear workflows. Git was initially designed and developed by Linus Torvalds for Linux kernel development in 2005, and has since become the most widely adopted version control system for software development. As with most other distributed revision […]