nixCraft Linux / UNIX Newsletter

How do I Install and setup PostgreSQL version 9.6 database system on Debian Linux version 9.x?

Malware is becoming more and more common for macOS. I wanted to make sure file I downloaded files such as an ISO image or firmware are safe before install on my system. How do I verify md5 or sha1 or sha256 checksums for my Apple MacOS X when I download files from the Internet?