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Update swap configuration

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Konano 2023-11-27 14:50:31 +08:00
parent 717af2c45e
commit d7eaa318fa
1 changed files with 7 additions and 4 deletions
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11
init_priv.sh
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@ -212,20 +212,23 @@ configure_oomkiller() {
} }
configure_swap() { configure_swap() {
# Input the swap size
read -p "Swap size (MB): " swap_size
# Create a virtual memory file # Create a virtual memory file
sudo dd if=/dev/zero of=/mnt/swap bs=1M count=4096 sudo dd if=/dev/zero of=/mnt/swap bs=1M count=$swap_size
sudo chmod 0600 /mnt/swap sudo chmod 0600 /mnt/swap
sudo mkswap /mnt/swap sudo mkswap /mnt/swap
sudo swapon /mnt/swap sudo swapon /mnt/swap
# Write auto mount parameters # Write auto mount parameters
if ! grep -q swap /etc/fstab; then if ! grep -q swap /etc/fstab; then
echo "/mnt/swap swap swap defaults 0 0" >> /etc/fstab echo "/mnt/swap swap swap defaults 0 0" | sudo tee -a /etc/fstab >/dev/null
fi fi
# Set virtual memory usage # Set virtual memory usage
if ! grep -q swappiness /etc/sysctl.conf; then if ! grep -q swappiness /etc/sysctl.conf; then
echo "vm.swappiness = 10" >> /etc/sysctl.conf echo "vm.swappiness = 10" | sudo tee -a /etc/sysctl.conf >/dev/null
else else
sed -i 's/vm.swappiness = 0/vm.swappiness = 10/' /etc/sysctl.conf # sed -i 's/vm.swappiness = 0/vm.swappiness = 10/' /etc/sysctl.conf
sudo sed -i 's/^vm.swappiness.*/vm.swappiness = 10/' /etc/sysctl.conf
fi fi
# Make the configuration take effect # Make the configuration take effect
sysctl -p sysctl -p