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How To Install and Configure DNS Server on Linux Centos 7

DNS Server is the service that used for domain translation server for translate the domain become ip address and vice versa. In this tutorial I’ll discuss about how to DNS server configuration on linux Centos 7.  For this article I’ll use ip address 10.100.1.1 for the dns server network 10.100.1.0/24 for client network. First make

How To Configure Load Balancing web server using HAProxy

HAProxy  (High Availability Proxy) is a Open source software for TCP/HTTP Loadbalancing and proxying solution that can be run in linux, macos and freeBSD.  HAProxy is used for improve performance and reliability of server that distributing the workload into multiple server. There are the topology are used : Make sure you’re have configured ip address

How To Configuration sudo access for regular user (Interactive root shell) in Linux system

When you use linux system and you have user or new user, sometimes you need to run command that’s need to root permissions or you need to access root. Usually you can use sudo at first command and sudo -i  to move from regular user to root. But when you try to access with sudo command and

Create And Manage New User/Group on Linux

In this tutorial I’ll discuss about user and group management on linux. When you using linux operating system you must know to manage user and group on your system. In linux system user and group has unique id. For user it called as UID (User ID) and for group is GID (Group ID). UID has

How To Secure NGINX Webserver with Let’s Encrypt on Ubuntu server 20.04

Hello everyone, in this tutorial I’ll discuss about how to configuration secure nginx webserver (https) using let’s encrypt on ubuntu 20.04.  Let’s encrypt is a Certificate Authority (CA) that provides easy way to obtain and install SSL Certificate as free on your website. Configuration Let’s Encrypt using certbot and for do this you must have

Securing Web Server with HTTPS linux ubuntu 20.04

In this tutorial I’ll discuss about how to securing webserver with https on linux ubuntu 20.04.  When we use http protocol all data is sending using plaintext, so that data can be read by third parties. It’s not secure. So we must add the additional protocol using SSL or TLS for the secure web (HTTPs).

How To Configuration Etherchannel on Router and Switch Cisco

In preceding tutorial I have discuss about How To Configure Etherchannel on Switch Cisco. And In this tutorial I’ll discuss about how to configuration etherchannel between router and switch cisco packet tracer. Configure etherchannel router & switch have some differentially. The following is the topologi are used :   CONFIGURE ROUTER Configure ip address on

Configuration VLAN on Mikrotik Router and Cisco Switch

In this tutorial I’ll discuss about configuration vlan with different device vendors.  Is it Can ? Is it Work ?? let’s discuss it.  Here I’ll use Mikrotik Router Device and Cisco Switch and for configure the lab I use PNETLab that has been installed the mikrotik chr and cisco IOS L2 images.  You can also

How To Configuration DHCP Server on Router Cisco

In this tutorial I’ll discuss about how to configuration dhcp server on router cisco packet tracer. That is the router will be serve ip automatically to client. The following is the topologi are used :   Based on the above topology, we will configure two network with dhcp server. Network for 192.168.1.0/24 and 192.168.2.0/24. Configure

How To Configure Etherchannel on Switch Cisco

In this tutorial I’ll discuss about how to configure etherchannel on switch cisco. Etherchannel is used to merge multiple physical interface become one logical interface with intention of load sharing and redundancy.  Etherchannel has two protocol that I have discuss at Different PAGP vs LACP Cisco ? The following is the topology : On the topologi