Linux Conquering Cloud

Portainer is a lightweight management UI that allows easy management of Docker environments, including creating, deploying, and managing co...

Docker Clustering with Swarm in Centos7 is a process of creating a cluster of Docker hosts using the Docker Swarm feature in the CentOS 7 op...

Protect Grub2 with Plain Password Method 1.)Login as a root user su – 2.) Backup the existing grub.cfg so if anything goes wrong...

Running a Script in Client Server's using Puppet. Enable the puppet File Server ============================= Add Following entries...

Puppet is a system for automating system administration tasks. It has a master server in which we will be mentioning the client configurati...

Here we will try to create a private docker registry for the internal use with security. Install the Packages >> yum update -y ; ...

Clustering the Storage LUNS : Sharing A ISCSI LUN with Mutiple Server's. Install Packages yum -y install pcs fence-agents-all iscsi-...

Install Packages yum -y install iscsi-initiator-utils yum install device-mapper-multipath -y Starting and Enabling the Service  syst...

Immediately before executing the actual system halt/poweroff/reboot/kexec systemd-shutdown will run all executables in /usr/lib/systemd/sys...

Systemd is a system and service manager for Linux, compatible with SysV and LSB init scripts. systemd provides aggressive parallelization ...

In RHEL 7 / CentOS 7, firewalld was introduced to manage iptables. IMHO, firewalld is more suited for workstations than for server environm...

Single user mode is the one of the Run level in the Linux operating system, Linux operating system has 6 run levels that are used for diffe...

If we install Centos  7 on Vmware workstation 10 , you can see that the network is not detected. Its because that the v7 3.10 kernel no ...

Stopping qpidd on all server service qpidd stop chkconfig qpidd off Installing packages yum install ntp rabbitmq-server C...