30+ awk examples for beginners / awk command tutorial in Linux/Unix
In this article we will learn about AWK command used in Linux and Unix. I will share some basic awk ...
Featured Posts
Top 15 tools to monitor disk IO performance with examples
Related searches: Top Storage monitoring tools. How to monitor Disk IO performance with examples. Ho...
27 nmcli command examples (cheatsheet), compare nm-settings with if-cfg file
nmcli examples. nmcli cheatsheet in CentOS/RHEL 7/8. nmcli command exmaples. nmcli con reload. nmcli...
16 zip command examples to compress folder & files in Linux/Unix
How to zip multiple files in Linux zip command examples. How to zip multiple files and directories f...
7 ways to prevent brute force SSH attacks in Linux (CentOS/RHEL 7)
A brute-force attack consists of an attacker submitting many passwords or passphrases with the hope
2 ways to backup and restore partition table in Linux (CentOS / RHEL 7)
In my last article I gave you an overview on Public key Infrastructure (PKI) and shared the steps to
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Security
#3-ELK Stack: Configure kibana 7.x with SSL/TLS encryption
This is a multi part Elasticsearch Tutorial where we will cover all the related topics on ELK Stack ...
#2-ELK Stack: Enable https with ssl/tls & secure elasticsearch cluster
This is a multi part Elasticsearch Tutorial where we will cover all the related topics on ELK Stack ...
6 ssh authentication methods to secure connection (sshd_config)
The SSH protocol (aka Secure Shell) is used to establish secure and reliable communications between ...
How to configure ssh host based authentication per user (CentOS/RHEL 7/8)
In this article I will share the steps to configure Host based authentication in sshd_config and ssh
10 find exec multiple commands examples in Linux/Unix
In this article I will share multiple find exec examples. Find is a very helpful utility for every s...
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Bridged vs Internal vs NAT vs NAT Network vs Host Only Network - Oracle VirtualBox - Part 1
14:56
Bridged vs Internal vs NAT vs NAT Network vs Host Only Network - Oracle VirtualBox - Part 2
11:22
Configure BIND-9.8 DNS Server in Red Hat Linux 6
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OpenStack
How to install multi node openstack on virtualbox with packstack on CentOS 7
In this article I will share the steps to install multi node OpenStack on VirtualBox using CentOS 7 ...
Understanding nova compute architecture basics in Openstack (flow chart)
Earlier I had shared an article with the steps to configure ceph storage cluster in OpenStack. Now l
Cinder vs Swift storage in OpenStack – Basic Difference and Comparison
Earlier I had shared an article with the steps to configure ceph storage cluster in OpenStack. Now l
Step-by-Step Tutorial: Install Docker on CentOS 7 with LVM Thin Provisioning
In my last article I shared the steps to configure or build ceph storage cluster in Openstack. Now i
Cluster
#2-ELK Stack: Enable https with ssl/tls & secure elasticsearch cluster
This is a multi part Elasticsearch Tutorial where we will cover all the related topics on ELK Stack using Elasticsearch 7.5Install and Configure...
#1-ELK Stack: Configure elasticsearch cluster setup CentOS/RHEL 7/8
This is a multi part Elasticsearch Tutorial where we will cover all the related topics on ELK Stack using Elasticsearch 7.5Install and Configure...
How to set up GFS2 with clustering on Linux ( RHEL / CentOS 7 )
Before starting with GFS2 file system setup on Red Hat or CentOS cluster, you must be familiar with⇒ What is Cluster, it's architecture and types
How to configure HA LVM cluster resource to share LVM in Linux
How to configure High Availability LVM i.e. HA LVM on CentOS or RHEL 7 Linux without GFS2. How can I configure my cluster service or resource to activ
How to install and configure two node cluster in Linux ( CentOS / RHEL 7 )
Before starting, I hope you are familiar with different Cluster types and it's Architecture. In this article I will explain the steps to configure two
How to configure or build ceph storage cluster in Openstack ( CentOS 7 )
In my last article I shared the steps to configure controller node in OpenStack manually, now in this article I will share the steps to configure and
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