Generating QR Code from Linux command line

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To generate QR Code from Linux command line you can use qrencode tool. Use-case: * transfer config/text files from Linux machine to mobile phone * transfer config/text files from Linux machine when it is not possible to directly copy it (i.e. SSH session inside remote RDP session where copy to clipboard is disabled) Installation: dnf… Continue reading Generating QR Code from Linux command line

Running Docker on Fedora 31 - revert systemd configuration to use cgroup v1

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Fedora 31 is first major distro with cgroup v2 (unified hierarchy). Follow below steps to make Docker working on it: Add Docker CE repository: sudo dnf config-manager --add-repo https://download.docker.com/linux/fedora/docker-ce.repo Install Docker CE: sudo dnf install docker-ce When you try to run Docker container on freshly installed Fedora 31, you will get following error message: docker:… Continue reading Running Docker on Fedora 31 - revert systemd configuration to use cgroup v1

Enable hibernation on Fedora Linux

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Enable hibernation To enable hibernation (suspend to disk) on Fedora Linux follow below steps: Get path to your current SWAP partition: sudo blkid | grep swap Edit /etc/default/grub file and put resume= parameter at the end of line containing GRUB_CMDLINE_LINUX string. Assuming that SWAP partition path is located at /dev/mapper/linux_vg-swap, the resume= parameter should look… Continue reading Enable hibernation on Fedora Linux