Monitoring Tools
How To Install Nagios Server In Ubuntu & Debian
Nagios is an open-source monitoring tool that is used to monitor hosts, services, and network devices. It provides real-time monitoring,…
Author: Rahul
I, Rahul Kumar am the founder and chief editor of TecAdmin.net. I am a Red Hat Certified Engineer (RHCE) and working as an IT professional since 2009..
Linux Tutorials
Enabling Logging in Iptables on Linux: A Beginner’s Guide
Iptables is a powerful firewall tool that is commonly used on Linux systems to control incoming and outgoing network traffic.…
Linux Tutorials
How to Use Systemctl Command to Manage Systemd Services
This article will help you to how to manage services using the systemctl command for Systemd services. Systemd is a…
Package Management
Adding Extra Repository EPEL and REMI on a RHEL-based System
Red Hat Enterprise Linux (RHEL) is a widely used and popular distribution of Linux, known for its stability and security.…
Linux Tutorials
How to Install Adobe Flash Player 32 on Ubuntu 18.04 & 16.04
For Linux, Adobe Flash Player 32 is available to install. Use this article to install Adobe Flash Player plugin on…
Linux Commands
Bash ifconfig: command not found on CentOS/RHEL 7
ifconfig command is useful for getting details of the network configuration in Linux-based systems. Mostly when I install an older…
Application and Server Security
How to Block Ping (ICMP) Responses in Linux
Blocking Ping (ICMP) responses in Linux can be an effective way to improve security and reduce unnecessary network traffic. Ping…
BIG-DATA
How to Setup Hadoop 2.6.5 (Single Node Cluster) on Ubuntu, CentOS And Fedora
Apache Hadoop 2.6.5 noticeable improvements over the previous stable 2.X.Y releases. This version has many improvements in HDFS and MapReduce.…
Linux Commands
How to Remove Lines with Specific Text using SED
In the realm of text processing and data manipulation, Unix-like operating systems offer a powerful tool called SED, or the…
PostgreSQL
How to Install PostgreSQL 9.6 on CentOS/RHEL 7
PostgreSQL is an open source object-relational, highly scalable, SQL compliant database management system. PostgreSQL is developed at the University of…