Imagine we need to cluster a storage partition on two Linux systems(centos) we need a block device(like /dev/sdb1) on both systems, which are defined as primary and secondary nodes (can switch Primary and Secondary nodes). A virtual block device(like drbd0) is being used by DRDB to sh...
DRBD’s main configuration file is located at/etc/drbd.confand additional config files can be found in the/etc/drbd.ddirectory. To replicate storage, we need to add the necessary configurations in the/etc/drbd.d/global_common.conffile which contains the global and common sections of the DRBD...
In this tutorial, we are going to demonstrate how to run and installPgAdmin 4 v2inServer Mode as aWSGI applicationunderApache HTTP, usingmod_wsgionCentOS 7 / RHEL 7. If you didn’t yet install PostgreSQL take a look the below links : How to Install PostgreSQL on Ubuntu 16.04 L...
7.On your first visit, you’ll be redirected to a password reset screen, create a new password for your new admin account and click “Change your password”. Once you set it, it will be redirected back to the login screen, and log in with the usernamerootand the password you set. Gi...
CentOS Pros A stable OS with no need to update apps often. Reliable and scalable. User-friendly. Works well as a development system with high availability of development packages and 3rd party compatibility. Great for high availability clustering with native packages for DRBD. ...
ForRHEL/CentOS 6System. # yum install https://www.elrepo.org/elrepo-release-6.el6.elrepo.noarch.rpm 3) How to Check if the ELRepo Repository is Enabled on the System Check if the ELRepo repository is enabled by running the following command. ...
In today’sPart 2, we will see how to install and configure clustering on Linux. For this we need to install below packages in all three servers. Ricci (ricci-0.16.2-75.el6.x86_64.rpm) Luci (luci-0.26.0-63.el6.centos.x86_64.rpm) ...
Now install Nginx web server using the following commands. $ sudo apt install nginx [On Ubuntu] $ sudo yum install epel-release && sudo yum install nginx [On CentOS 7] Once the installation is complete, start the Nginx service for now and enable it to auto-start at boot time, then chec...