Devops Blog – Openstack, Openshift,- Docker, Kubernetes, Swarm, Linux, Windows Stacks – Mongodb, An occasional opinion
Views: 1225It seems that the UserData passed via Cloud Init doesn’t run the script like it would run from CLI or cron. my script it worked to export the value, which the UserData field of EC2 launch form likes. export name=value means that the variable name is available to any process you …
Continue reading “Ec2 UserData can’t deal with plain #Bash variables”
Views: 1066Get your Emails read and in the Inbox I was going focus on me and how successful I am, when I read the following link, below. It reminded me that emails need to focus on the customer. Always give information that is useful. Click bait gets folks angry, so, even if your an introvert, …
Continue reading “More than Six steps to creating a successful email newsletter”
Views: 1397See more Records in the List View of Charming CRM Here is some advice in how to use Charming CRM, which is a powerful opensource CRM package that uses a LAMP server. It is based a fork of Vtiger 7 with several of the bugs fixed. You can install it at AWS Marketplace In …
Views: 7527Mongo DB likes XFS, so the project is to get MOngodb in a docker container to be happy with an XFS volume on the host. Using the mount type bind instead of volume does the trick. docker service create \ –mount type=bind,src=<HOST-PATH>,dst=<CONTAINER-PATH> \ –name myservice \ <IMAGE> Give a service access to volumes or …
Continue reading “#Docker Service Create How to use the mount option to use a directory on the host”
Views: 1136I want to make a “one click” Cloud formation” on AWS that creates a MongoDB or MySql replica set of at least 3 servers in the same or globally in different regions, or even clouds and local Data Center, Wish me luck Finally, let’s look at the most interesting tool in the …
Views: 13304I am setting up on Localhost, in order to save cloud fees and maybe some time during development. Multi-host networking with standalone swarms Estimated reading time: 11 minutes Standalone swarm only! This article only applies to users who need to use a standalone swarm with Docker, as opposed to swarm mode. Standalone swarms (sometimes …
Continue reading ” Setup standalone #Docker swarms on Localhost”
Views: 1230Nothing like a good Geeky command after the Yom Kippur 25 hour fast! Ubuntu loves to run apt-daily.service on Startup, which messes with devops pre-installations. In My case I want to run docker-machine. Turn off auto updates edit file 20-auto-upgrades in /usr/share/unattended-upgrades Turn the service back on after 20 minutes or /etc/apt/apt.conf.d …
Continue reading ” How to run scripts on #Linux start up? crontab @reboot #devops”
Views: 4530Devops need to automatically install stuff on Ubuntu, however this clashed with the daily ubuntu auto update. The best way to stop autoupgrades is to prevent Ubuntu from download the updated package list Edit /etc/apt/apt.conf.d/20periodic or whatever number it is Change the 1 for Update-Package-Lists to a 0 APT::Periodic::Update-Package-Lists “0”; APT::Periodic::Unattended-Upgrade “1”; See: https://askubuntu.com/questions/9/how-do-i-enable-automatic-updates https://help.ubuntu.com/community/AutomaticSecurityUpdates https://debian-handbook.info/browse/stable/sect.regular-upgrades.html …
Continue reading “Stop Ubuntu from running Auto Upgrades at boot – #DEVOPS”
Views: 1610I am going to try the following code to pre-set a password on Hmailserver. My previous code doesn’t work on the newly installed Cloud Instance. Stay Tuned. The link and code are pretty old, but hope it will still work. Advice welcome! <?PHP // Users password $strPassword = “test123”; // Generate 6 Character …
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Views: 1293Skycaps Don’t Work for the Airlines They Work for You! Many travelers and even airline employees are not aware that skycaps, the people who check in your luggage curbside and carry your bags inside the terminal, and to and from the curb, are not airline employees. These uniformed workers don’t get any benefits such …
Views: 1627The Debate over OpenSource is back! I just read these 2 very interesting articles about whether you should use Windows as your cloud Server, even though it’s less popular? and whether cloud pricing methodologies are making Open Source cost the same as Proprietary? We deal with this question every day. Being cheap and …
Continue reading “Should You Use #Linux / #OpenSource or #Windows #Cloud Hosting? “
Views: 2541Get Google contacts to sync with your Vtiger Install OpenSource Charming CRM. Everything will work much more smoothly than with Vtiger: https://aws.amazon.com/marketplace/pp/B073WXGVSW Here is a bit of directions to get Google contacts to sync with your Vtiger. You need to create an API for Contacts and/or Calendar and give it your URL. After all …
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Views: 2932Here is a script that can be used to block countries that dont buy your products but still hack their way in . You need to use the ISO code of the country in small letters. Add the script to cron to update it regularly. #!/bin/bash # Purpose: Block all traffic …
Continue reading “Blocking Chinese IP Addresses and Of Any Country With iptables”