tech notes from my desk
In this vast world of orchestration & automation tools and techniques, here is a quick one on how to get a puppet master to install Apache. Lets begin with a refresher on the differences between a Push Configuration vs a…
A great way to visualize nmon data is using Nigel Griffiths nmon visualizer java tool #java -DfontSize=16 -jar NMONVisualizer_.jar
Allowing Rights to Host Mounted Volumes #docker ps -a #docker run -v -v option creates the volume #docker -v <container name> Sharing namespaces between the container & host #docker run -itd —-volume-from <container> —-name=<container with storage> #docker run -itd —-volume-from…
My dockerfile example to run Ubuntu 14.04 From Ubuntu:14.04 Maintainer kewrunner@gmail.com Run apt-get update && apt-get install -y openssh-server Run mkdir /var/run/she Run echo ‘root:screencast’|chpasswd Run send -i ‘s/PermitRootLogin without-password/PermitRootLogin yes/‘ /etc/ssh/she-confit Run see ‘s@session\s*required\s* pam_loginuid.so@session optional pam_loginuid.so@g’ -i /etc/pam.d/sshd…
Create dockerfile, complete build process then run image with mapped port #docker run -p 27017:27017 —name mongo1 -d my/repo #docker ps In order to stop and remove the mongo #docker stop mongo1 #docker rm -v mongo1 #docker rm -v docker1…
Straight to the point when creating a docker swarm, assume the internal network space is 192.168.1.0/24 . This will create the swarm #docker swarm init —advertise-addr 192.168.1.134:2377 —listen-addr 192.168.1.134:2377 On the secondary node that will act as a worker, lets…
Was trying to load some data into influxdb using a python3 script and got some errors. How the error was discovered - no module named install - influxdb will not work with python3 scl enable rh-python36 bash python3 -V Python…
AR: Augmented Reality. Example TheMeloApp VR: Virtual Reality. Example Doom using Oculus MR: Mixed Reality. Example MagicLeap AI: Artificial Intelligence. Example IBM Watson Have you tried the Magic Leap One yet? Their promise of a new mixed reality is very…
Here we will install Grafana according to their site instructions, lets start by downloading the latest Grafana version from repo From Grafana website Ubuntu & Debian(64 Bit)SHA256: af6592f379bd4b91b202f4845c31e79e0faeff1b4b1f12cbbb720a8980f2edd7 wget https://dl.grafana.com/oss/release/grafana_6.5.2_amd64.deb sudo dpkg -i grafana_6.5.2_amd64.deb Read the Ubuntu & Debian installation…
Ever wanted to make your own systems inventory database but just didnt really want to invest the time in making all the mysql statements (huh? no?! well me neither but this is one of those system inventory databases that we…