I got a cluster of servers powered by OpenSUSE / SUSE Enterprise Linux. How can I update all of them using the zypper module of Ansible? How can I use Ansible for system updates and reboot the server when kernel upgrades took place on SUSE/OpenSUSE?
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Linux Trivia: Linux very nearly wasn't called Linux. Did you know what Linus wanted to call his kernel initially?
1. Free Unix
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Let's Encrypt is a non-profit certificate authority that provides X.509 certificates for Transport Layer Security (TLS) encryption free of cost. The TLS certificate is valid for 90 days only. However, Due to the bug, they need to revoke many (read as "certain") Let’s Encrypt TLS/SSL certificates. Let us see how to find out if you are affected by this bug and how you can fix it to avoid any problems with your TLS/SSL certificates.
How do I enable firewalld logging for denied packets on Linux operating systems so that I can view all dropped packets information? How can I view a log of the traffic blocked by FirewallD under a CentOS/RHEL (Red Hat Enterprise Linux)/Suse/OpenSUSE Linux?
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LXD is a next generation system container manager. It offers a user experience similar to virtual machines but using Linux containers instead. It's image based with pre-made images available for a wide number of Linux distributions. How do I set up and install LXD on a CentOS 8.x or RHEL 8.x server?
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How do I allow Linux processes to bind to IP address that doesn't exist yet on my Linux systems or server?
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System76 is a Denver, Colorado-based American computer manufacturer. They are specializing in the sale of Linux powered laptops, desktops, and servers. Last year System76 announced two Intel laptops with Coreboot, which as an alternative to proprietary BIOS using Intel 10th Gen CPUs. Now, System76 updated its Linux workstations line and ship with the latest AMD chips for CPU-intensive workloads. But how much of a difference can 64 cores AMD CPU make?
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I have a bunch of servers powered by Ubuntu and Debian Linux. How do I update all of them using the apt module of Ansible? How can I use Ansible for system updates and reboot the box when kernel upgrades took place?
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I increased the size of the volume in Linux using my cloud service providers' online tool. My original disk size was 200GB, and I grew to 400GB. However, I only able to use 200GB and not 400GB. How do I resizing my disk and extend the file system resizing a disk volume?
One of the most common mistakes developers and ops people make is typing gti instead of git command. I set an alias i.e. alias gti=git, but then you may miss out on the jeep/car on your screen.
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I have ThinkPad P1 Gen 2 or X1 Extreme 2nd Laptop. Can I easily Install ThinkPad firmware updates on Linux using GUI?
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There is no sudo installed by default on my OpenSUSE Linux server. Other users and I need to use 'su -' command to run commands as root. How do I install a sudo package on OpenSUSE Linux?
Can you explain DEBIAN_FRONTEND apt or apt-get variable? How and why I need to use this in Docker or shell scripts under a Debian and Ubuntu Linux?
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I am a brand-new Ubuntu Linux 20.04 LTS VM user. By default, my server name to 'localhost' during cloud installation, but now I would like to change the computer name to 'ubuntu-2004-nixcraft'. Can you tell me how do I remove the localhost and set it to ubuntu-2004-nixcraft on Ubuntu 20.04 Linux? How do I change the Ubuntu computer name from 'localhost' to 'ubuntu-2004-nixcraft'? Can you tell me more about Ubuntu Linux change hostname command?
I need to upgrade the Ubuntu Linux version 18.04 LTS server to a 20.04 LTS server using the command line option. How do I upgrade Ubuntu 18.04 to 20.04?
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I removed and installed Ubuntu Linux 16.04 LTS on my development Lenovo laptop. However, I need to use my Windows 10 pro in KVM VM for running the accounting app. How do I find and print my embedded Windows 10 pro key from a Linux command line option? How can I retrieve Microsoft Windows 8 and 10 OEM product key from BIOS?
CentOS Linux 8.1 (1191) released. It is a Linux distribution derived from RHEL (Red Hat Enterprise Linux) 8.1 source code. CentOS was created when Red Hat stopped providing RHEL free. CentOS 8.1 gives complete control of its open-source software packages and is fully customized for research needs or for running a high-performance website without the need for license fees. Let us see what's new in CentOS 8.1 (1911) and how to upgrade existing CentOS 8.0.1905 server to 8.1.1911 using the command line.
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Look like Dell listing to customer feedback. Dell XPS 13 Developer Edition is the ultimate Linux laptop for developers and Linux enthusiasts/power users. The Dell XPS 13 Developer Edition 2020 now supports 10th Gen Intel CPU and 32GB ram. This system comes pre-installed with Ubuntu Linux 18.04, but you can install any other distro.
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