VLT-Website-Heading

How to check the checksum of a file on your Mac

Oct 30, 2021 10:00:00 PM / by Vu Long Tran posted in tech, cybersecurity

0 Comments

This is a brief guide on how to check the checksum of a file you download to install on your computer. I will be showing you how to do this on your Mac.

A checksum is a value that represents the number of bits in a transmission message.

We want to check the checksum to detect high-level errors within data transmissions. Prior to transmission, every piece of data or file can be assigned a checksum value after running a cryptographic hash function.

Read More

How to connect to your Puppet Learning VM with SSH

Oct 7, 2020 12:07:43 AM / by Vu Long Tran posted in tech, puppet, linux

0 Comments

This is instructions on how you can connect to your Puppet Learning Virtual Machine with SSH.

If you're new to SSH, SSH = Secure Shell.

"Secure Shell is a cryptographic network protocol for operating network services securely over an unsecured network. Typical applications include remote command-line, login, and remote command execution, but any network service can be secured with SSH". - Wikipedia

Read More