Google Chromecast is a small device that, once connected to your Wi-Fi network and plugged into your TV’s HDMI port, allows you to stream video, music, web pages or even your computer’s or mobile device’s whole screen content to the TV. On Linux, you can use the Google Chrome web browser or its open equivalent,...

Get your software built and available for download right after a git push!

Sometimes it is important to verify a downloaded file. Two common verifications that greatly reduce chances of using a corrupted or tampered file are the checksum and the digital signature. In this post, you are going to see how to do those verifications with sha256sum and gpg, two command-line utilities that come already installed on...

Dropbox is one of the most popular cloud services. Recently some of its users received a warning that it will stop syncing due to the use of an unsupported file system. See how to keep Dropbox syncing and in addition protect your local Dropbox folder against unauthorized access storing it on an encrypted VeraCrypt volume....

Have you ever visited a website and your browser adverted you that your connection is not secure or private? Sometimes, the connection is not really insecure. Understand what’s going on and learn how to install website certificates on Linux.

HP printers and all-in-one devices (printer, scanner and fax) are very popular in Brazil. In this post, I show how I have my HP DeskJet Ink Advantage 3836 setup to print via network on openSUSE. Other HP printers can be setup the same way.

Today's major release of openSUSE Leap 15 is offering professional users, entrepreneurs and ISVs (Independent Software Vendors) a new, fresh and hardened code base for their workloads that supports modern hardware, based on a stable, community- and enterprise-based open-source GNU/Linux distribution – but developed with a modern, more secure, better tested and much more open...

We have already seen on a previous post how to install openSUSE Leap on a server. Now, you are going to walk through a checklist with the first things to set up on the new server so that it can be considered effectively ready to use.

If you work at a company whose email is locally hosted on a Microsoft Exchange server or cloud hosted on Office 365, you can use traditional POP, IMAP and SMTP email apps to manage email on your workstation. However, some additional features such as calendaring and contact management are available only if you connect by...

Recently I decided to boost my home Wi-Fi network. I've already got a MikroTik hAP ac lite tower. This time I bought an USB adapter to connect my laptop using the 802.11ac network's 5Ghz band: a TP-Link Archer T4U. The 802.11ac Wi-Fi standard targets high performance. The higher frequency allows for higher speeds and less...