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Just after the Ubuntu installation, I came to know that the network interface name got changed to ens33 from old school eth0. READ: Install Ubuntu 18.04 LTS (Bionic Beaver) on UEFI and Legacy BIOS System READ: Install Ubuntu 16.04 LTS (Xenial Xerus) – Step by Step Guide with Screenshots If you ever interested in changing […]
High-Availability cluster aka Failover-cluster (active-passive cluster) is one of the most widely used cluster types in the production environment. This type of cluster provides you the continued availability of services even one of the cluster nodes fails. If the server running application has failed for some reason (hardware failure), cluster software (pacemaker) will restart the […]
Linux containers (LXC), is a lightweight operating system-level virtualization method that allows us to run multiple isolated Linux systems (containers) on a single host. LXC does not provide all the features of standard virtualization software such as VMware, VirtualBox, and KVM but rather it provides a virtual environment that has its own CPU, memory, blocks […]
iSCSI stands for Internet Small Computer Systems Interface, IP-based storage, works on top of internet protocol by carrying SCSI commands over IP network. iSCSI transports block-level data between an iSCSI initiator on a client machine and an iSCSI target on a storage device (server). iSCSI storage is used as shared storage in Redhat cluster, VMware […]
Foreman is an open source tool that helps you to provision, configure, manage and monitor the servers. With the help of configuration management tools such as Puppet, Chef, Salt, and Foreman’s smart proxy architecture, you can easily automate repetitive tasks, quickly deploy applications, and proactively manage change. Foreman provides comprehensive, interaction facilities including a web […]