Below are the steps to install Maria DB on CentOS 7. Check Maria DB using yum. Maria DB works on Port 3306. So check activity on port 3306. If there is no activity on Port 3306 then you need to Read More …
Category: Linux
Listing PCI devices in Linux
There are many devices in Linux that follow PCI architecture. You can gather list of all such devices using lspci command in linux. Below is a step by step guide. 1. You should install pciutils software first. # yum install pciutils -y Read More …
Howto install PHP 7.2 in CentOS 7 ?
Before you install PHP 7.2, please make sure that your yum tool is properly configured and working. Below are the simple steps to install PHP 7.2 in CentOS 7. 1. Install EPEL repo. # yum install epel-release -y 2. Install Remi Read More …
AutoFS Server : Mounting File System Automatically
In Linux OS, you mount the drives automatically with autofs Server. This server is very simple to configure. The basic idea behing this is Just go to the assigned folder for that drive and it will automatically gets mounted and it will Read More …
How to reset root password ?
Below are the steps to reset root password in Linux 7 ? 1. Reboot your machine and at Grub OS Selection Menu, choose the required OS which password needs to reset and press E to edit. 2. Edit the kernel line and replace ro to rw and also Read More …
Creating ISO file in Linux
There are two ways to create ISO file in Linux. Method 1 : Suppose you have any CD or DVD then you can create iso file using dd command as below. Please make sure that, while creating iso file the Read More …
Mounting iso file in Linux
ISO file is ditto image of CD or DVD. It is more specifically ISO9660 Format File. If you have any file then it can be mounted using mount command in linux. Below is example. Suppose you have data.iso is a iso Read More …
NMap : Network Audit Tool
Nmap is a tool for network exploration and many times used for security audit. It sends raw packets on target PC and then it determines many features of target PC such as MAC address, Open Ports, OS Detection etc. Below Read More …
Clearing ARP Cache
ARP stands for Address Resolution Protocol, which is used to find the media access control address of a network neighbour for a given IPv4 Address. You can view arp using following command. # arp You can clear the old cache Read More …
DNS Server : Creating Non Authoritative DNS Server
Creating Non Authoritative DNS Server is very simple task. Below are the steps to create the server. 1. First check activity on Port No. 53. DNS Server uses Port No. 53 # lsof -i :53 2. If nothing is acting on Port Read More …