Deepak Prasad

You can use the helm.sh/hook-weight annotation to hook resources that need to be created in a specific order. This weight can be any positive or negative integer number.

Examples and commands to show NFS shares on NFS server, List NFS mount points on NFS Clients, List NFS clients connected to the NFS server, List NFS shares in Linux

This tutorial contains a list of nfs exports options in Linux with examples to create NFS share using /etc/exports. You can share with multiple hosts, single or world

Kibana Tutorial to setup, install and configure Kibana dashboard with SSL/TLS encryption over HTTPS for elasticsearch cluster with examples in Linux.

Steps to install and configure logstash 7.x and send data from logstash to elasticsearch. Monitor the logs on Kibana dashboard using index pattern

Tutorial to install and configure metricbeat to monitor elasticsearch cluster in ELK Stack on RHEL/CentOS 7/8 Linux with examples over SSL/TLS (HTTPS)

A Kubernetes DaemonSet ensures a copy of a Pod is running across a set of nodes in a Kubernetes cluster.

A Kubernetes init container is an additional container in a Pod that completes a task before the "regular" container is started. The regular container will only be started once the init container has been started

Kubernetes namespace implements strict resource separation. Resource limitation through quota can be implemented at a Namespace level also

Kubernetes cron job scheduler can be used to control the a Job resource according to the Job template configured in the CronJob object. When the Job resource is created, one or more pod replicas will be created and …

The Kubernetes resource quota is applied on the namespace using CPU, memory, storage and object count such as number of pods in the namespace

Kubernetes provides labels, selectors and annotations to organize the cluster nodes. These are mostly used with replication controllers and replica sets in a deployment

Kubernetes ReplicaSet and ReplicationController (deprecated) are used to scale the number of Pods and make sure the minimum number of Pods are always running.

What is Ansible? Ansible is an open source tool (with enterprise editions available) developed using Python and runs on Windows, Mac, and UNIX-like systems.

Steps to automate SFTP using shell script with password and expect with examples SFTP command example in Unix shell script with passwordless authorized_keys

Steps to overcome Device in bay #X power delayed until VC profile is applied issue on HPE Onboard Administrator and Virtual Connect

Steps to block and disable ICMP redirects for IPv4 and IPv6 in Linux using firewalld and accept_redirects. You can disable these if host is not running as a router.

Fix kickstart clearpart not working error in RHEl/CentOS 7/8 Linux, kickstart fails to delete existing partitions using zerombr and clearpart in Linux

Step by step instructions to change default kernel from one version to another in RHEL/CentOS 8. You can change from newer to older or vice versa kernel version

How can I restrict my postfix smtp relay server to be used by only certain IP Address, How to block or allow postfix relay access using mynetworks example

How to reject mail for unknown users on localhost with Postfix with local_recipient_maps with example

Cleanup failed actions messages in pacemaker cluster. Cleanup failed resource actions and failed fencing actions in pcs status output or HA Cluster

What is SELinux and how can i disable SElinux permanently with or without reboot. Change SELinux mode runtime using setenforce. Enable permissive mode for individual service

Steps to repair filesystem in rescue mode in RHEL/CentOS 7/8 Linux. repair xfs filesystem with xfs_repair. repair ext4 filesystem with e2fsck

Ansible playbook Tutorial. What is YAML. What is Ansible Playbook. Beginners guide to write playbook with example. Sample ansible playbook to install apache

Step by step guide to disable and blacklist kernel module using GRUB2 and modprobe.d in Red Hat and CentOS 7 and 8 Linux. Permanently unload kernel module

Steps to install gnome desktop environment in RHEL CentOS 8 for workstation and server with gui. Enable and start GUI mode, command to switch GUI mode linux

Iptables rule to disable ICMP timestamp responses in Linux. Block ICMP timestamp request (13) and ICMP timestamp reply (14). Verify using hping3 or nping

I will share examples to set up proxy for yum repository in Linux. Modify yum.conf or /etc/yum.repos.d to set proxy for yum repositories.

Troubleshoot and fix LVM Error pvs couldnt find device with uuid and pvs shows unknown device Recover or Restore lost physical volume redhat linux