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reconfigure zram to use zram-generator

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askiiart 2025-05-21 17:32:18 -05:00
parent 7a2ca64d3c
commit 93d744a8f8
Signed by untrusted user who does not match committer: askiiart
GPG key ID: 6A32977DAF31746A
1 changed files with 21 additions and 7 deletions
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28
configure-zram.bash
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@ -6,6 +6,12 @@ if [ $(whoami) == "root" ]; then
exit 1
fi
sudo_remove_file_if_exists() {
if [ -f $1 ]; then
sudo rm $1
fi
}
# only fedora is up-to-date
command_exists() { type "$1" &>/dev/null; }
@ -14,12 +20,20 @@ if command_exists "apt-get"; then
sudo apt-get install kitty -y
echo "Please install SchildiChat, nvim/neovim"
elif command_exists "dnf"; then
sudo dnf remove zram-generator -y
echo 'zram' | sudo tee /etc/modules-load.d/zram.conf
echo 'ACTION=="add", KERNEL=="zram0", ATTR{initstate}=="0", ATTR{comp_algorithm}="zstd", ATTR{disksize}="48G", RUN="/usr/bin/mkswap -U clear %N", TAG+="systemd"' | sudo tee /etc/udev/rules.d/99-zram.rules
zram_fstab='/dev/zram0 none swap defaults,discard,pri=160 0 0'
if ! grep -q "$zram_fstab" /etc/fstab; then
echo "$zram_fstab" | sudo tee -a /etc/fstab
# remove old zram stuff
echo '' | sudo crontab -
sudo_remove_file_if_exists /etc/modules-load.d/zram.conf
sudo_remove_file_if_exists /etc/udev/rules.d/99-zram.rules
sudo sed -i 's/\/dev\/zram0 none swap defaults,discard,pri=160 0 0//g' /etc/fstab
sudo dnf install zram-generator -y
# set up zram
if [ -f /usr/lib/systemd/zram-generator.conf ]; then
sudo rm /usr/lib/systemd/zram-generator.conf
fi
echo '@reboot bash -c "mkswap -U clear /dev/zram0; swapon --discard --priority 160 /dev/zram0"' | sudo crontab -
if ! [ -d /usr/local/lib/systemd ]; then
sudo mkdir -p /usr/local/lib/systemd
fi
echo '[zram0]
zram-size = ram * 3' | sudo tee /usr/local/lib/systemd/zram-generator.conf
fi