There are many sites that will provide far greater detail and comment than this one. However, this is a list of basic commands that I have found repeatedly useful. MySQL Commands Create a database create database databasename; List all databases show databases; Switch to a database use databasename; Show tables in a database show tables; Delete a database drop database…
Read More »This is yet another way that I had pieced together to install the Java Development Kit (JDK) on a Red Hat Enterprise Linux (RHEL) 5.4 and CentOS 5.4 system. This time, the process is accomplished through the use of PuTTY and XMing. Install Java and Set Environment Variables Download JDK6 Note: If this link doesn’t work, it may be a…
Read More »This is part of my series, useful Linux commands and tips. Nautilus is the official file manager for the GNOME desktop. The name is a play on words, evoking the shell of a nautilus to represent an operating system shell. Like all applications that run under Linux, Nautilus has it’s own command line options. To view the command-line options nautilus…
Read More »This is part of my series, useful Linux commands and tips. Although there is a great GUI utility to simplify service administration, called Service Confiuration tool, in an environment that favors the command line equivalent, it would also be good to know those commands. These commands will require root level access. Here are the commands: # /sbin/service [name] start starts…
Read More »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…
Read More »This will guide you through the steps to access a Linux server, specifically, a Red hat Enterprise Linux 5.4 or CentOS 5.4 server, through the use of PuTTy and Xming. It is a relatively simple setup that will require only two freeware products and a quick verificatino of setting on the Linux server. With the use of these two tools…
Read More »There are many great WordPress plugins that every site owner should consider using. Of the plugins, wp-print and Nextgen Gallery will greatly enhance any site. However, wp-print does not display the Nextgen Gallery the way that I would like it to. Instead of displaying the images in a row as displayed on the site, the printable version is a long…
Read More »BigDump performs a staggered import of large and very large MySQL dumps similar to those of the phpMyAdmin 2.x dumps into a new or an existing MySQL database. Other reasons for using this script is if in the even access to the server shell is not possible or for what ever the reason the import fails using phpMyAdmin due to…
Read More »cPanel has become a standard for turning standalone servers into automated hosting platforms. Tasks are replaced by web interfaces and API-based calls. cPanel is designed with multiple levels of administration and provide multiple levels provide security, ease of use, and flexibility for everyone from the server administrator to the email account user. One of cPanel’s features is under the Security…
Read More »Many Linux distributions permit the use of the root user as a primary login, however, the dominant and popular Ubuntu has left some users in a conundrum. In order to perform tasks as a root user, this must be performed within a terminal window with the sudo command. However, here are a set of instructions that will allow the root…
Read More »I had written a script that worked on one machine but not another Linux installation, Red Hat Enterprise Linux 5. The script returned an error with “bad interpreter: No such file or directory” and referenced the first line of code. I could not visually see the error as it looked to be like any other script. The problem turns out…
Read More »A situation developed where two independent installations of JIRA needed to be combined into a single installation. The problem, however, is no native built-in capabilities to allow for this. This would not be such a simple task, however, someone developed a process to achieve this goal. Still not a simple task. This process has not been updated in a while,…
Read More »Sockso is a free, open-source, personal music server. It’s designed to be as simple as possible so that anyone with a mouse and some mp3’s can get their friends listening to their music across the internet or intranet in seconds! Having tested the latest version 1.1.1, I have found that this application to be quite efficent and useful in it’s…
Read More »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…
Read More »A recent task was to setup a JBoss Application Server on a Linux box. I created an Ubuntu 8.10 server virtual machine on a VMware Workstation. This was a fresh install of the core operating system only, no optional installation packages were added during the installation. I started from scratch, as too many guides make too many assumptions in their…
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After installing an application that required port 8080, the application failed to start because the port was already in use. Changing the new application to use port 8090 worked, but it still left the question of what was running on 8080. As on Windows, Linux provides a command‑line utility, netstat, which can be used to inspect open ports and the…
Read More »To get my feet wet, I wanted to test an installation of WordPress MU (multi-user) edition. The installation seems too problematic on a Windows workstation, even when running in an environment such as AppServ , WAMP, XAMPP, or Uniform Server. My preference is XAMPP. I have tested and used all these environments. I originally preferred the Uniform Server as it…
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