Entries by howto

How to install chrony in Linux

To install Chrony on CentOS, you can use the package manager yum. Here are the steps to install Chrony: Now, Chrony is installed and running on your CentOS system. You can configure Chrony by editing its configuration file located at /etc/chrony.conf. After making any changes to the configuration file, remember to restart the Chrony service: […]

Configure DHCP Failover on CentOS 7

Configuring DHCP (Dynamic Host Configuration Protocol) failover on CentOS 7 typically involves using the ISC DHCP server, which is a widely used DHCP server on Linux systems. DHCP failover ensures high availability and redundancy for DHCP services. Here’s a basic guide on how to set up DHCP failover on CentOS 7 using ISC DHCP: Prerequisites: […]

Raspberry Pi OS: New Releases

Raspberry Pi OS, formerly known as Raspbian, is the official operating system for the Raspberry Pi single-board computers. To get the most current information about recent releases, improvements, and updates, you should check the official Raspberry Pi blog, website, or forums. Here are general steps to find the latest releases: By checking these sources, you […]

Redcore Linux 2401 Released: Latest Features

Introduction: Redcore Linux, a distribution known for its emphasis on security and performance, has recently unveiled its latest release, Redcore Linux Hardened 2401. Packed with new features and improvements, this release is poised to offer users an enhanced computing experience. Key Features of Redcore Linux Hardened 2401: How to Upgrade: Redcore Linux users eager to […]

How to Configure kiosk on Ubuntu 14.04 and Chrome

Prerequisites Step 1: Install Ubuntu Server with LTE Step 2: Install apache2 on Ubuntu Step 3: Set user login without password authentication # vim /etc/sudoers %sudo ALL=(ALL) NOPASSWD: ALL Step 4: Install Packages # sudo apt update # sudo apt install –no-install-recommends xorg openbox google-chrome-stable pulseaudio Step 5: Set user in audio group # usermod […]

4 ways to check size of physical memory in Linux

Introduction In this article we will see basic commands to check the physical memory on the server under Linux. Many beginners struggle to know their system well in the context of resources such as CPU, Memory, Disks, etc. So I decided to write this small item pointing command to check the RAM on the Linux […]

How to Install locate in Linux

Locate is very useful command to find the location of file/folder in linux. Install mlocate package # yum install mlocate Update database by executing updatedb command # updatedb Now, locate any file/folder using “locate” command # locate httpd /etc/httpd /etc/httpd/conf /etc/httpd/conf.d /etc/httpd/conf.modules.d /etc/httpd/logs /etc/httpd/modules /etc/httpd/run /etc/httpd/conf/httpd.conf /etc/httpd/conf/magic /etc/httpd/conf.d/README /usr/sbin/httpd /usr/share/httpd /usr/share/doc/httpd-2.4.6 /usr/share/doc/httpd-tools-2.4.6 /var/cache/httpd /var/cache/httpd/proxy /var/log/httpd […]

How to check Database size in Linux

We can check all the sizes of databases through execute a simple query in mysql server Step 1: Login with mysql server Login to mysql server by putting the mysql server credentials # mysql -u username -p Enter Password: Step 2: Execute the Query Execute the mysql query in mysql server. mysql> SELECT table_schema “Data […]

WiFi Router Security breaches

Introduction Wifi security breaches when the research and development team scanned 32 WiFi router firmware firmware products offered by more than 10 of the most popular home, SMB and enterprise wireless routers in the US, Europe and Asia Manufacturer: Asus, Belkin, Buffalo, Cisco, D-Link, EFM, Huawei, Linksys, Netis and TP-Link. Severity Level The firmware of […]