Author Archives: mark

About mark

At work, been working on Tandems for around 30yrs (programming + sysadmin), plus AIX and Solaris sysadmin also thrown in during the last 20yrs; also about 5yrs on MVS (mainly operations and automation but also smp/e work). At home I have been using linux for decades. Programming background is commercially in TAL/COBOL/SCOBOL/C(Tandem); 370 assembler(MVS); C, perl and shell scripting in *nix; and Microsoft Macro Assembler(windows).

Ansible vs Puppet, why I chose Puppet

First off let me make it clear I looked at options for automating configuration quite a while ago and chose puppet as the most secure option. I still believe that to be the case. The issue I have with options … Continue reading

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Getting AWSTATS running on CentOS8

First let me make it clear I prefer webalizer to awstats; however webalizer is not available in the repositories after CentOS7. It is also worth noting that both webalizer.org and mrunix.net (where webalizer sources/downloads could be manually obtained) appear to … Continue reading

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Setting up and using a local (insecure) Docker registry service container

The first thing to note about this post is that it sets up an insecure local registry facility using the standard registry container. This type of registry is ideal for local ‘internal network’ development use. It is also suitable for … Continue reading

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Running remote X-windows applications across ssh from a Fedora server

This post has been created as it may assist others who want to do the same thing. It is not complicated or world shaking. Often you will run Fedora (or CentOS/RHEL) servers and do not want a GUI desktop installed. … Continue reading

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Installing airgraph-ng on Kali Linux

There are many tutorials on using airgraph-ng on youtube; most omit the small detail that it cannot be installed using a package manager. The airodump-ng utility within the aircrack-ng toolkit is used to scan wireless activity near your location, including … Continue reading

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Generating a new puppet client certificate

This is for the community edition of puppetserver, although will work for all recent puppet releases. I use puppetserver as it is supposed to be able to manage up to 100 agents without having to hook it up to a … Continue reading

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Installing a local GitLab instance using the supplied container

There are lots of complicated ways to install a local GitLab instance, however for small environments it is easiest to simply use the supplied container image. Instructions on installing that are at https://docs.gitlab.com/omnibus/docker/ and are simple to follow. Install, start, … Continue reading

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Re-initialising a bacula database

OK, first on a well managed system you would never need to do this. Despite the fact my system I thought was well managed and had 250gb free in the backup storage pool rotating around quite happily when one of … Continue reading

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A few very simple Video file manipulation tips for Linux users

This post is obviously aimed at Linux users, as it is my prefred desktop of choice. Shrinking the size of Video files (linux users only) Sometimes Video files you have, whether provided by a friend, downloaded from youtube, or even … Continue reading

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OpenStack Magnum Container Infrastructure – My Tests

Summary of results: While OpenStack deploys all the necessary components to create a working infrastructure the available ‘atomic’ images just do not work. You end up with all the VMs and new private networking required in place, but the OS’s … Continue reading

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