When you download software online often the publisher will also provide a file hash to make sure that the file hasn’t been modified or hacked
Search Emails With Specific Attachment File Types in Gmail
These examples show you how to easily search your Gmail for emails with particular file types as attachments. Find emails with .xlsx attachments Find emails
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
Performing a Quick nmap Ping Scan on a Subnet
This will quickly do a scan on a subnet to determine IP addresses on the network. Only Return IP Addresses If you only want to
Untar & Unzip a tar.gz File In One Step
This command will untar and unzip all files in a single step. If you’re running Linux you’ll be doing this all the time so memorize
Pretty Print JSON Formatter Tool
This is a browser-based JSON prettifier. Meaning it doesn’t send your data to our server and all conversion is done entirely in your browser.
T-Mobile Speedtest in Scottsdale
Fastest speed test on T-Mobile LTE I’ve ever done. 120 megabit right on the border of Phoenix/Scottsdale.
HTTP Header Watcher
This is a simple version of an HTTP header viewer. Useful for seeing redirects happening over http for links. Change Log 2017-11-22 1st version started
coalesce Function Handy for Outer Joins and Nulls
The built-in function coalesce in MySQL is great for outer joins where the return or expected answer can be null. Coalesce can be used anytime
