Remove hard-coding in Terraform by using remote state
Terraform stores information about the infrastructure you are building in a local state file which is called terraform.tfstate.
How to read large directories with many files
Occasionally I come across directories with so many files that the ls command just hangs.
How to delete files older than x days
The find utility on Linux allows you to pass a range of arguments including one to execute another command on each file.
Chef Knife Tricks
The knife tool in The Chef Development Kit is a great time saver. Here are some useful tricks which I have gleaned from various sources.
Find out what is using your disk space
When you are running low on disk you can use the following methods to drill down to the directory where you can start erasing files.
Git Checkout files from another branch
The Git checkout command can be used to update specific files or directories in your current tree from another branch.
How to install a specific version of Chef
In case you want to downgrade the version of chef-client on your machine using the omnibus installer, read below. .
Find out the creation date of a MySQL table
If you want to find the creation time of a particular MySQL database you can use the following command.