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echo '# Decrease swap usage to a more reasonable level' | sudo tee --append /etc/sysctl.conf > /dev/null
echo 'vm.swappiness=5' | sudo tee --append /etc/sysctl.conf > /dev/null
echo '# Improve cache management' | sudo tee --append /etc/sysctl.conf > /dev/null
echo 'vm.vfs_cache_pressure=40' | sudo tee --append /etc/sysctl.conf > /dev/null
cat /etc/sysctl.conf