I have written on and improved upon the installation process for Oracle’s Java JDK over the years. Creating a script with a hard-coded filename has a considerable drawback, particularly as it pertains to Java JDK. Oracle updates their product often and with a naming convention that doesn’t permit for any reasonable guess as to what the next version should be. …
Read More »
There are so many websites and YouTube videos that indicate and demonstrate that it is possible to install and use DOSBox on CentOS 7. I tried many different things which all seemed to roadblock at the prerequisite for libSDL_sound-1.0.so.1. Ranging from building from source that one specific prerequisite, where the build was apparently successful, the prerequisite still remained. A build…
Read More »This little exercise is to create a man page. The goal is to take a simple online man page that is in XML and copy into a text file. Add a couple of markups here and there, test, and validate it. Create a manpage Additional examples and options are available on the author’s site, here. I took that html page…
Read More »While learning about the creation of man pages, I came across something that I had not considered before, man page in color? This can be done with a little installation of most. Using a CentOS 6 minimal install, most can be installed via yum. Add most to the environment. Check out the man pages in color. Source(s) https://www.cyberciti.biz/faq/unix-linux-color-man-pages-configuration/
Read More »Not being a programmer, I do write a descent shell script from time to time. In the Microsoft world, there are all sorts of script compilers that will compile a batch, visual basic, or any number of other scripts into an executable. A benefit of an executable could be the files portability or even an attempt to obfuscate the code. …
Read More »Cygwin has served well over the years and still does; however, recently on a Microsoft Windows 10 computer, cygwin did not cooperate. Removing all remnants and services related to cygwin and then reinstalling from scratch seemed to resolve any issue that I was encountering. There was an issue that still remained that could not be fully resolved. The issue, whenever…
Read More »While attempting to diagnose a problem where there are a couple of (orphaned) virtual machines as identified by the VMware vSphere Client, one of interest seemed to have all the files in the datastore, however, upon closer inspection the .vmx file was zero byte. The .vmx file can be rebuilt with the vmware.log file. Basically, I downloaded the most recent…
Read More »In 2008,I put together several solutions to prevent Windows Vista from automatically selecting a default view, which was generally inconsistent with the folder content. The purpose of this article is to take the first solution of that article that was found on vistax64.com and create a nice little utility using AutoIT. It hasn’t been fully burned in but there may…
Read More »vsftpd (“Very Secure FTP Daemon”) is an FTP server for Linux and supports PAM (“pluggable authentication modules”). A virtual user cannot login to the Linux system and is considered more secure than using a “real” user whom can login to a Linux system. This guide offers a script that demonstrates one way to setup a vsftpd server using PAM with…
Read More »Unison is self described as “a file-synchronization tool for [Linux]. It allows two replicas of a collection of files and directories to be stored on different hosts (or different disks on the same host), modified separately, and then brought up to date by propagating the changes in each replica to the other.” Install Unison has no available RPM for CentOS…
Read More »Running the command ps to display a list of currently running processes may display a UID instead of the username. There is a reasonable explanation for that. An example command may look like this May return something like 501 28373 15080 0 … You may have expected a return like thisismyuser 28373 15080 0 … This behavior occurs because: Why…
Read More »A situation existed where a user needed access to a CentOS 6 server to provide support for a specific application. This application is associated with a unique username to that application. For the sake of argument, an application xyz has a user xyz which automatically puts that user in a group of the same name, xyz. The additional user whom…
Read More »
To get an instance of Drupal running on a fresh and minimal install of CentOS7/RHEL7 is the goal. Here is an automated scripted install for Drupal on CentOS7/RHEL7 Linux. It is not all inclusive. It doesn’t take into accounts a MariaDB password or MariaDB hardening. Just a quick script to get things running rather quickly, preferably on a development environment….
Read More » Every now and again, you get the urge to try something new. Drupal is the project for today. The goal is to create an automated script to install Drupal on a fresh and minimal install of CentOS 6. Here is an automated scripted install for Drupal and drush, a command line supplement, on CentOS6/RHEL6 Linux. The script is not all…
Read More »The preference for me is to work on a Linux box in a terminal. However, recently encountered the need for GUI. I happened to have a CentOS 7 install with GUI, but the default boot will boot into NON-GUI. GUI to CLI to GUI Commands # Check the current settings systemctl get-default # Change to GUI mode. systemctl set-default graphical.target…
Read More »
Sometime ago, I wrote an automated script to install WordPress on a CentOS 5 install of Linux. Over the years, the repos and WordPress requirements changed as did CentOS upgrades through CentOS 6. The script was modified accordingly. The script had to be modified considerably for CentOS 7 which facilitates the need for a new article. Here is an automated…
Read More »There are many tools to check the hard drive performance on Linux system. Here we are are concentrating on hdparm. A CentOS 6.7 Linux distribution is what is being used for this article. To install it, yum install -y hdparm. A sample run, hdparm -Tt /dev/sda The man pages (man hdparm) will offer many different configuration options, the two switches…
Read More »