Fedora 36 Tweaks

2022-07-22 Randy Usegnu

For file journaling check usage with
sudo journalctl --disk-usage

Change how much space is used for journaling by editing /etc/systemd/journald.conf and uncomment and change SystemMaxUse=50M

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Disable Spectre and Meltdown mitigations
Edit /etc/default/grub and add mitigations=off to GRUB_CMDLINE_LINUX_DEFAULT line then update grub with sudo update-grub

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Increase DNF update speed
First update system with sudo dnf upgrade --refresh -y then configure dnf sudo nano /etc/dnf/dnf.conf and add max_parallel_downloads=10 and fastestmirror=True

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Edit fstab for mounted file systems
Add noatime,nodiratime to /etc/fstab under the root and home entries.
Also add tmpfs for frequently used temp folders, add the below to /etc/fstab:
tmpfs /tmp tmpfs defaults 0 0
tmpfs /var/tmp tmpfs defaults 0 0

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