Category: Linux

VMware Workstation loses bridged network

VMware Workstation loses bridged network and it does not want to come back following the usual methodologies.  I restarted the VMware Workstation services, used the Network Manager, and reboot the computer all to no avail.  In the end, it was something that wasn't a problem before. On a Windows 10 workstation running VMware Workstation 12 for many months without issue,...Read More »

Add comments to ZIP files with zipnote

Never having given it much thought before, I wanted to know of a way to add a comment to my zip files in Linux.  I used to do this sort of thing many years back with pkzip in the DOS days.  There turns out to be nice little utility, called zipnote. To check for comments in a zipfile.  The command...Read More »

Apply an SSL to MySQL

There is a MySQL 5.6.x install that works wonderfully.  However, a cert was purchased and applied to everything else, so why not apply to the MySQL install too. I ran into a pitfall or two while attempting this, so I am going to write this up in the effort to avoid those pitfalls. The Key file Determine the version of...Read More »

Upgrade PCRE from 7.8 to 8.x on CentOS 6

A WordPress plugin required PCRE 8.x for it to work. The following instructions were taken from the source cited below and worked flawlessly. The step below determined the version of PCRE and whether there was PHP support for it. To install the newer version of PCRE create a link to the repository. Yum update Check the version Restart Apache Downgrade...Read More »

Resize an Encrypted LUKs filesystem with LVM on Linux

There is a CentOS 6 server that needed additional diskspace. I had no idea, that this server had an encrypted filesystem for one of it's mount points. I thought the worst for procedures, but I found this one article that worked and worked well. The situation was a VM on an ESXi server contained a LVM mount called for example,...Read More »

VMware vSphere Client incorrectly displays Guest OS version for CentOS 7.4

The vSphere Client (desktop) Version 5.5.0 correctly displayed the CentOS 7.x point releases until version CentOS 7.4. Where it once displayed, Guest OS: CentOS 4/5/6/7 (64-bit) under the Summary tab of the virtual machine, the display is Guest OS: Linux 3.10.0-693.17.1.x86-x64 CentOS Linux release 7.4.1708 (Core). As I once thought that this was problematic, I found a discussion in Gitlab...Read More »

Certbot Requires Python 2.7

This article describes how to use certbot with Python 2.7.  The assumption is that you have already installed certbot. At the bottom of this article, is a related post on how to install Python 2.7.  After installing Python, install/run certbot. To run certbot, enable python 2.7 first, then run the certbot commands. If, however, you are still getting errors about...Read More »

Install Python 2.7 on CentOS 6.x

CentOS 6.x uses python 2.6 for various things.  It is the default install and Python 2.7 is not available as a typical install but I  had a need for it and found a solution that worked for me. The test. If you type exit, and type python -V, this will revert to the existing python version.  The scl enable is…

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