This gem comes courtesy of Mastering Vim Quickly. Before learning this trick, to move text I would yank/delete (Y/dd) the lines and then paste (p/P) where I wanted it to go. Inevitably I would either copy the wrong number of lines or paste the text in the wrong spot.
Add these lines to your .vimrc:
vnoremap J :m ‘>+1gv=gv vnoremap K :m ‘<-2gv=gv
Open your file and enter Visual Mode (V) at the beginning of the block of text that you want to move. Using j or k move the visual selection over the text. To move the text up or down use K and J. Hit escape once the text is where you want it.
If you spend a moderate amount of time creating and modifying AWS security groups, you will inevitably encounter the “Error deleting security group sg-12345678: resource sg-12345678 has a dependent object” error message.
Trying to find the security group that includes the group you want to delete can be an exercise in futility in the console. Instead, I make use of the CLI. I dumped all of my security groups into a text file:
From there, I opened the securitygroups.txt file in vim and searched for sg-12345678. One entry is for the security group itself and all other matches are for security groups that include the group I want to delete.
It’s also possible that the group is attached to a network interface. I found the solution for this situation here.