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Browse the latest tutorials, guides, and practical examples across Linux, DevOps, security, databases, and programming on GoLinuxCloud.

Explore the latest tutorials and guides across Linux, DevOps, programming, and more.

You can also browse content by category below:

  • Linux: Commands, administration, troubleshooting, and system operations
  • DevOps: CI/CD, Kubernetes, containers, and automation
  • Programming: Coding tutorials, scripting, and development concepts
  • Security: Ethical hacking, system security, and best practices
  • Databases: MySQL, MariaDB, PostgreSQL, and database management
  • Networking: Network setup, troubleshooting, and protocols
  • Storage: Disk management, file systems, and storage solutions
  • Tools: Useful tools and utilities for productivity

2257 articles

security

How to Inject Encoded Payload

One major problem that most Ethical hackers and penetration testers face is bypassing Anti-Virus software when executing payloads. If you are running an

Deepak Prasad8 min read
programming

How to use jQuery with Node.js with Examples

node js jquery, nodejs jquery, jquery with nodejs, node jquery, import jquery into js file, import jquery in js, require jquery

Steve Alila6 min read
devops

How to configure HAProxy in Openstack (High Availability)

Step by Step Guide to configure HAProxy in openstack i.e.High Availability using pacemaker and corosync to configure load balancer cluser in CentOS 7

Deepak Prasad14 min read
system-administration

Upload file to Linux server from Windows

3 different methods to upload file to Linux server from Windows. Using SCP or PSCP CLI tool, or Using WinSCP and/or FileZilla which are GUI based tool

Omer Cakmak5 min read
linux

How do I install the Linux library libc.so.6

In this tutorial we learn how do I install the linux library libc.so.6. There are 3 possible scenarios: Library is not installed or missing, The library …

Omer Cakmak5 min read
devops

How to perform Kubernetes RollingUpdate with examples

Kubernetes RollingUpdate is used with deployments to perform updates time zero downtime by incrementally updating Pods instances with new ones.

Deepak Prasad14 min read
system-administration

4 useful methods to automate ssh login with password in Linux

How to automate SSH login with password? How to pass password to scp command used in bash script ? How to perform SSH login with password instead of using …

Deepak Prasad15 min read
linux

Configure kickstart server | PXE boot server | RHEL/CentOS 8

PXE boot server configuration in linux step by step, kickstart linux tutorial, configure kickstart server, network based installation in linux using …

Deepak Prasad16 min read
linux

Configure vnc server in RHEL 8 Linux

Step by step tutorial to configure vnc server in RHEL 8 Linux with examples Xvnc is the X VNC (Virtual Network Computing) server. It is based on a standard …

Deepak Prasad4 min read
system-administration

2 ways to update and rebuild initrd image in CentOS/RHEL 7 and 8

Steps to extract, modify, update and rebuild initrd image in CentOS RHEL 7 and 8 ISO DVD with examples using XZ / LZMA format Update initrd with modules …

Deepak Prasad10 min read
system-administration

Configure secure logging with rsyslog TLS to remote log server (CentOS/RHEL

Configure secure logging to remote log server with rsyslog TLS certificates in CentOS/RHEL 7 Forward syslog to remote log server securely using TLS …

Deepak Prasad16 min read
security

Tutorial: Encrypt, Decrypt, Sign a file with GPG Public Key in Linux

How to and Tutorial on encrypting decrypting signing message file with GPG key pair passphrase of private public key in Linux with example on command line

Deepak Prasad12 min read
security

Simple steps to install & configure ClamAV in CentOS 7

Step by step guide to install and configure ClamAV on CentOS / RHEl 7 Linux. ClamAV is an open source antivirus tool to protect against trojan, viruses etc …

Deepak Prasad9 min read
devops

How to Configure Tripleo Undercloud to deploy Overcloud in OpenStack

Step by Step guide to install tripleo (openstack on openstack) undercloud and deploy overcloud in Openstack using virtual machines on Red Hat (RHEL 7)

Deepak Prasad17 min read
devops

How to Install TripleO Undercloud (Openstack) on RHEL 7

Step by step guide to Install TripleO Undercloud and deploy Overcloud in Openstack with single compute and controller node on KVM (virt-manager) RHEL 7

Deepak Prasad14 min read
linux

5 easy steps change grub2 background image splash screen

Steps to change grub2 background image in Linux. The steps are valid for both legacy and UEFI BIOS. Use any JPE/JPEG or PNG image to set your own boot …

Deepak Prasad3 min read
devops

#2-ELK Stack: Enable https with ssl/tls & secure elasticsearch cluster

Steps to enable HTTPS and SSL to secure elasticsearch cluster and ELK Stack using encrypted key and certificates in Linux with examples RHEL/CentOS 7/8

Deepak Prasad9 min read
devops

Setup KVM DRBD Cluster File System Pacemaker CentOS 8

Step-by-Step tutorial to configure DRBD CLuster File System with clone using Pacemaker 2.0 on KVM Virtual Machines with RHEL/CentOS 8 Linux. Verify DRBD …

Deepak Prasad11 min read
system-administration

How to transfer files over SSH with SSHFS in Linux & Windows

Step-by-Step Tutorial to transfer files over SSH using SSHFS between two Linux servers or Linux and WIndows server. Copy files between linux and windows …

Deepak Prasad6 min read
devops

How to install multi node openstack on virtualbox with packstack on CentOS

Install multi node OpenStack on VirtualBox using Packstack using CentOS 7 VM on Windows 10 laptop. Generate and configure packstack answer file for …

Deepak Prasad22 min read
storage

Linux lvm snapshot backup and restore tutorial RHEL/CentOS 7/8

Step by step guide linux lvm snapshot backup and restore with examples RHEL/CentOS 7/8. Create, merge, extend, remove LVM snapshot. backup root file system …

Deepak Prasad18 min read
cheatsheet

Multiple one liners SFTP commands example to copy file from remote server to local machine windows and vice versa. sftp get command examples, usage syntax

Deepak Prasad11 min read
system-administration

Linux copy directory and contents from remote to local & vice versa

Rsync and SCP recursive examples to copy directory and contents. scp from local to remote server and scp from remote to local. copy file from ssh to local …

Deepak Prasad13 min read
linux

Tutorial: Setup VNC Server CentOS 8

How to setup tigervnc server on CentOS 8, Different limitations with the newly released tigervnc server package, How to connect to vnc server using …

Deepak Prasad9 min read
linux

Working with ulimit in Linux [Beginners Guide]

Complete ulimit tutorial to learn about modification of different system limits and configurations without reboot

Omer Cakmak8 min read
linux

Install Nagios XI on Rocky Linux 9

Two different methods to install nagios XI on ROcky Linux 9. Install latest or custom version by directly downloading from official page.

Omer Cakmak6 min read
linux

Beginners guide to install Ansible on RHEL/CentOS 8

Step by step tutorial to install ansible on RHEL 8 or CentOS 8 Linux. Configure ansible.cfg, create static inventory and run ad-hoc commands yum install …

Deepak Prasad11 min read
linux

Create man page in Linux with examples (sample man page template)

Create man page using man page template with groff. Various man page examples to create table, bullet points etc. Create user specific man page in Linux.

Deepak Prasad9 min read
networking

Step-by-Step Tutorial: Configure DNS caching server - dnsmasq (CentOS/RHEL 7)

Dnsmasq is a lightweight, easy to configure DNS forwarder, designed to provide DNS (and optionally DHCP and TFTP) services to a small-scale network. It can …

Deepak Prasad4 min read
linux

SSH port forwarding | SSH Tunnel (Forward & Reverse)

Configure SSH Port forwarding tunneling between local and remote host in Linux. Example SSH session to forward port 8080 with ssh connection RHEL/CentOS

Deepak Prasad19 min read