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Month: January 2018

Apache Tomcat 8.5.23 Installation on CentOS

Tomcat:-          Tomcat is an open source Java Servlet implementation developed by the Apache Software Foundation. Beside Java Servlets, Tomcat implements several Java server technologies including JavaServer Pages (JSP), Java Expression Language, and Java WebSocket. Tomcat provides an HTTP Web Server for Java applications with support for HTTP/2, OpenSSL for JSSE and TLS virtual hosting.   Step1-Install Java As a first thing, we need to install Java JRE and JDK from the CentOS repository. We will […]

How to Install and Use Nano Text Editor

Nano will enable you to edit text files in your VPS on the command line when you are logged in using SSH. Step1:Installing Nano Text Editor CentOS yum install nano you can test it out by writing this command nano testfile.txt It should open a new text editor window and if you make any changes to this file, they will be saved under the name test.txt. To exit Nano, for now, press CTRL + X. It […]

Install and Configure CSF(Confing Server Firewall) on CentOS 7

         Config Server Firewall / CSF is firewall application suite for Linux servers. CSF is also a Login/Intrusion Detection for applications like SSH, SMTP, IMAP, Pop3, the “su” command and many more. CSF can e.g. detect when someone is logging into the server via SSH and alarms you when this user tries to use the “su” command on the server to get higher privileges. It also checks for login authentication failures on mail servers (Exim, IMAP, […]

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