Tag: CentOS

Install JBoss on CentOS with Two Scripts

Several years ago, I wrote a set of instructions how to install JBoss on a RHEL / CentOS Linux operating system. Then, the procedure utilized the GUI, mouse clicks, and the terminal. Well, as my comfort level with Linux has grown, so has the instructions into a script. A prerequisite for JBoss is Java JDK. For JBoss 5.1.0.GA, I elected...Read More »

How to change the IP address of a Linux computer using a script

There was a CentOS server where the IP address needed to be changed. Searches through the Internet revealed a series of commands that would do the trick. This script incorporates these commands into a single utility or bash script. This may not be all inclusive, but it did work for me on a CentOS 5.8 server. To use this script,…

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Linux server with incorrect date [FIXED]

Every now and again, a server may lose its date and time. One pesky server is continuously using the incorrect date and time. If there was only a way to change the system date. There is, and the easiest way to correct this is by using a simple little command called – date. There are a couple of ways to…

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How to uninstall Java for LInux

If the native Java for Linux has been installed and the goal is to remove it from the system and install the Oracle Java JDK. Here are the steps to do just that. This is here for reference, I have not fully tested this, in that the installation I was verifying did not have JRE as indicated in the original…

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Install Java JDK on CentOS without prompts using an automated script!

If you have ever installed Java Development Kit (“JDK”) on a Red Hat Enterprise Linux (“RHEL”) 5.x or CentOS 5.x operating system (“OS”), then you are aware of how manual the installation can be. Prompt after prompt to install. After a lot of research and testing, here is a completely automated script to install JDK on a CentOS or RHEL…

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Automated Scripted Install of WordPress on CentOS/RHEL Linux

Many WordPress users have enjoyed WordPress using an Internet host provider or on an XAMPP installation on a Windows installation. This exercise is a combination of several guides with some personal tweaks to install WordPress on a fresh install of Linux. More specifically an install of CentOS or Red Hat Enterprise Linux (RHEL). Install Packages Using yum install MySQL, Apache,...Read More »

Update RHEL5 using YUM package via CentOS online sources

Compelling reasons why anyone would want to do this is that your trial period has expired, your support agreement has expired and you do not want to renew it, your system may be outdated, you want to install another application, or you just wanted to see if it could be done. Before continue reading, after testing this exercise and applying…

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Linux command tips – ifconfig

This is part of my series, useful Linux commands and tips. The ifconfig (short for interface configurator), a system administration utility to configure, control, and query TCP/IP network interface parameters, is located in the system’s /sbin directory. /sbin is not usually included in the user’s PATH environment variable. For this reason, when you attempt to execute ifconfig, bash can not…

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Connect to VNCServer on Red Hat Enterprise Linux

Virtual Network Computing (VNC) is remote control software to allow computers interact with one another as a server and client. It is developed to ease the administration of remote machines without using the console. For Windows users, there may be a a familiar feel similar to that of Windows Terminal Services (RDP). VNCServer is standard on a Red Hat Enterprise…

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Create a service for JIRA on CentOS 5 or RHEL 5

Atlassian JIRA is a bug and issue tracker. Atlassian JIRA lets you priorities, assign, track, report and audit your ‘issues,’ whatever they may be — from software bugs and help-desk tickets to project tasks and change requests. After installing JIRA, on a CentOS 5.2 Linux installation, I wanted to automate the starting and stopping of JIRA by creating a service….

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Disable firewall on Red Hat Enterprise Linux (RHEL) Server

Using a Windows box with Putty to install and execute jboss with it’s own Tomcat instance using the default port of 8080 on a fresh built Red Hat Enterprise Linux box, everything looked to be fully operational; however, I could not access the web address from a remote box. I quickly realized that the firewall was fully operational (from previous…

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