Open source
SecurityHow to use the built-in GPG feature for Thunderbird
As of release 78, Thunderbird no longer requires a third-party extension to work with encryption. Learn how this new feature works.
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Open source
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Image: Jack Wallen -
Image: Jack Wallen Open source
MobilityHow to share files with Linux apps on Chrome OS
With Linux apps installed on your Chromebook, you might have discovered that software cannot access files within the ChromeOS directories. Let's fix that.
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Image: iStockphoto/Spectral-Design Open source
NetworkingHow to view DNS cache entries with the new systemd-resolved resolver
If your Linux servers or desktops are experiencing networking issues, you might want to view your DNS cache. Jack Wallen shows you how with a systemd-resolved-based distribution.
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Running boot-repair via a Ubuntu live session.
Open source
Data CentersHow to repair the GRUB2 boot loader on Linux
Jack Wallen shows you how easy it is to repair the GRUB2 boot loader in Linux.
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Image: Jack Wallen Open source
NetworkingHow to use Unison to sync files on Linux machines across a network
Jack Wallen shows you how to sync files across a network on Linux with a simple command line tool.
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Removing sudo rights from CentOS (top) and Ubuntu (bottom).
Open source
SecurityHow to create a new user with admin privileges on Linux
Adding a user with admin privileges on Linux is easier than you think. Jack Wallen shows you how.
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The Nextcloud web-based installer.
Open source
CloudHow to install Nextcloud 20 on Ubuntu Server 20.04
Jack Wallen walks you through the process of installing the latest release of the on-premise cloud server, Nextcloud 20.
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Image: ZDNet Open source
HardwareRISC-V: What it is, and what benefits it can provide to your organization
RISC-V is an instruction set architecture for processors that offers innovative operational mechanisms. Learn about its background and the advantages it brings.
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To create a log or not to create a log, that is the question.
Open source
SecurityHow to recover deleted files in Linux with testdisk
If you've had files deleted by a hacker or you've accidentally removed them, Jack Wallen shows you how to recover that missing data with a handy tool called testdisk.
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The official Apache Welcome Page running on Ubuntu Server.
Open source
NetworkingHow to use the Apache web server to install and configure a website
If you've never deployed a website with the Apache web server, you're about to learn how.
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Image: iStockphoto/Spectral-Design Open source
Data CentersLinux kernel 5.9: Most important features and how to install it
Linux kernel 5.9 has arrived with plenty of performance boosting to intrigue data center admins. Jack Wallen highlights the improvements and shows how to install the mainline kernel.
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Our hello-world image has been successfully pushed to the local repository.
Open source
Data CentersHow to set up a local image repository with Podman
If you've migrated from Docker to Podman, you might be wondering how to host your own private image registries. Jack Wallen shows you how.
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The Webmin navigation sidebar.
Open source
NetworkingHow to cluster Webmin servers for a single point of amin entry
If you have more than one server on your network that makes use of Webmin, you should cluster them together for a more efficient experience. Jack Wallen shows you how.
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The Graylog Inputs window is where you add new clients.
Open source
SecurityHow to add clients to the Graylog system log manager
Graylog makes it easy to send syslog information from clients to the hosting server. Jack Wallen shows you how.
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Image: gorodenkoff Getty Images/iStockphoto Open source
Data CentersHow to install the Webmin web-based Linux admin GUI
If you're looking for a solid web-based Linux admin GUI, look no further than the tried and true Webmin. Jack Wallen shows you how to install it on both Ubuntu Server and CentOS 8.