by ray | Mar 3, 2023 | SSL certificates
An overview of the Renewal process Renewals are a regular part of the SSL/TLS lifecycle. You can renew your SSL certificate starting 30 days before its expiration. Despite what the name may suggest, renewing your SSL certificate is the same process you go through when...
by ray | Mar 3, 2023 | Linux / Ubuntu
When you type a command on the command line, you’re basically telling the shell to run an executable file with the given name. In Linux, these executable programs like ls , find , file and others, usually live inside several different directories on your system. Any...
by ray | Mar 3, 2023 | Linux / Ubuntu, Python
Your Debian Linux installation may include multiple python versions and thus also include multiple python binary executables, and it’s possible to change python version that the system is using. In this tutorial, you will see how to install multiple versions...
by ray | Mar 3, 2023 | Mailchimp, DNS
To help your emails reach your recipients’ inboxes, set up email authentication for your custom domain. Adding authentication to the domain you use to send email can help you maintain and grow an engaged audience. In this article, you’ll learn how to set...
by ray | Mar 3, 2023 | Microsoft Windows
I’ve OpenSSH 7.6 installed in Windows 7 for testing purposes. SSH client & server work just fine till I tried to access one of my AWS EC2 box from this windows. It seems like I need to change the permission on the private key file. This can be easily done on...