34 lines
733 B
Bash
34 lines
733 B
Bash
#!/bin/bash
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# Disable current swap
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sudo swapoff -a
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for file in $(cat /proc/swaps | awk "NR>1" | awk '{print $1}'); do
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echo "rm old swap $file"
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sudo rm ${file}
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done
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sudo sed -i "/swap/d" /etc/fstab
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# Create new swap
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size=$(free -m | grep 'Mem' | awk '{print $2}')
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echo $size
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sudo dd if=/dev/zero of=/swapfile count=${size} bs=1MiB
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sudo chmod 600 /swapfile
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sudo mkswap /swapfile
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sudo swapon /swapfile
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echo '/swapfile none swap sw 0 0' | sudo tee -a /etc/fstab
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free -h
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# Update conf
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sudo sed -i '/vm.swappiness/d' /etc/sysctl.conf
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echo 'vm.swappiness = 10' | sudo tee -a /etc/sysctl.conf
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sudo sed -i '/vm.vfs_cache_pressure/d' /etc/sysctl.conf
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echo 'vm.vfs_cache_pressure=50' | sudo tee -a /etc/sysctl.conf
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sudo sysctl -p
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