The namespaces in Kubernetes provides a way for separating groups of resources hosted within a single cluster. While the default namespace where all the pods and applications get hosted is in the “default” namespace, the…
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Once the installation of Kubernetes cluster is competed, let us go with the basic commands. The below command lists the pods running on the cluster. Remember that there are several services used by Kubernetes already…
The cron application enabled users to run recurring jobs utomatically. It can include taking a backup at 03:00 AM every day, capturing users who have logged in at 5:00 PM, etc. The daemon that runs…
Every system has a clock and is a critical component of the Operating System. It keep the time, which is used for various proposes such as: Running automated jobs as configured intervals Marking timestamp on…
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Dandified YUM or simply DNF is an advanced version of the Yellowdog Updater, Modified OR simply YUM, a package manager for rpm-based Linux distributions. The “yum” commands are still available in Redhat, but they point…
As we all knows the yum and dnf commands are used to download and install software packages from software repositories configured in the node. In a centOS server, centos repositories will be configured by default….
A Linux systems can boot up in various modes based on user preference. For example we can configure a node to start on GUI mode, where once the node boots, the user will get a GUI based…
Unlike the the cron job is mainly used to schedule repetitive tasks, the “at” command is used to run a command just once, but schedule at a later time. That yum package to be installed…
The sudo command allows you to run programs with the security privileges of another user. Usually this command is used to run command as a superuser. The configuration files are : /etc/sudoers /etc/sudoers.d/* Instead of…