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 »

Firefox has blocked parts of this page that are not secure

Firefox has blocked parts of this page that are not secure started to appear recently.  I tried cleaning up any insecure links, such as http, and yet this message continues to plague.  Tried several WordPress plugins to no avail.  It turns out to be something less sinister. The Firefox version was version 57.  After an upgrade to version 59.  All...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 »

Synology Diskstation DS1812+ Suddenly Dies and Resolution

I had a negative experience that turned out to have a positive ending. Sharing this experience may hopefully help someone else. A Synology Diskstation DS1812+ NAS has served well for several years, until one day it was found turned off. I pressed the power button in an attempt to turn it back on as there was no prior indication of...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 »