A few creative ways to use the find shell command. Case insensitively look for a file named your_file_name.txt Using wild cards – Case insensitively look
Command to Find Which Shell I’m Currently Using
This will work on any linux/unix variety and mac os. Output will look something like this. -bash
How to get a Summary of Every File Type in a Folder at the Command Line
This command will work on Linux and MacOS. Here we’re running it on our downloads folder to get a summary of every type of file
Fix SSH Key Permissions (Permissions are too open private key will be ignored)
Sometimes you’ll get an error on your ssh client when you’re working with a new ssh key and you’re trying to ssh into the server.
Listing Files Only With Grep Command
To only show the file names and not a preview of data add the command line param -l to grep. The below example searches in
Using Ghostscript CLI to Shrink a PDF
Shrinking a PDF with Ghostscript is easy in Linux. Below are 3 ghostscript commands to shrink PDFs to a few different levels. screen – lowest
How to Remove Duplicate Lines From a Text File In Linux
You can combine the sort and uniq command line programs to remove duplicate lines from a text file. In the example below, it will produce
How to Jump to a Line Number in VI Editor
To go to a specific line number in VI, first, make sure you’re not in editing mode by hitting ESC. Next type the line number
Find Active SSH Servers on a Subnet
This example lists out the IPs that are on the SSH port (22) on a particular subnet. List out IPs (only) of open ssh ports
Using the Linux Shutdown Command
Here are a few shutdown examples for quick reference. Turn Server Off Immediately Restart Immediately Restart in 45 minutes Restart at next 1 am Restart