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Finding an AMI ID Using AWS CLI in AWS Marketplace

by | AWS

You can use command line parameters to list only the types of AMIs that interest you. For example, you can use the describe-images command as follows to find public AMIs owned by you or Amazon. ZSH aws ec2 describe-images --owners self amazon 1 aws ec2 describe-images...

Upgrading VIM with lua support on macOS

by | Reference

Recently I installed a new vim version on my system to get rid of the following warning: ZSH neocomplete does not work with this version of Vim. It requires Vim 7.3.885 or later with Lua support ("+lua") 12 neocomplete does not work with this version of...

Ansible Cheat Sheet

by | DevOps

Prerequisites Linux Packages: git python python-devel python-pip openssl ansible Installation and Configuration Linux Be sure to install epel-release first and then update your caches (if CentOS). On Ubuntu/Debian distributions, you may install from the default...

Regular Expressions Cheat Sheet

by | Python, Reference

Building Blocks \d a digit \D a non-digit \s a whitespace \S a non-whitespace \w a word \W a non-word \b a word boundary . any character \ Escape special char or start a sequence Repeated Characters or Patterns ? 0 or 1 time + 0 or more times * 1 or more times {#} #...

TCP/IP Network Protocol

by | Reference

History TCP/IP is a set of network protocols which is best known for connecting the machines that make up the Internet. However, it is generally assumed that the Internet started around 1995 and few people had heard of TCP/IP before then. The truth is that TCP/IP is...