16 lines
427 B
Bash
16 lines
427 B
Bash
# 1. 创建 2G swap 文件
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sudo fallocate -l 2G /swapfile
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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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# 2. 开机自动挂载
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echo '/swapfile none swap sw 0 0' | sudo tee -a /etc/fstab
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# 3. 降低 swap 倾向（内存紧张才用 swap，平时不影响性能）
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echo 'vm.swappiness=10' | sudo tee /etc/sysctl.d/99 -swap.conf
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sudo sysctl -p /etc/sysctl.d/99-swap.conf
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# 4. 确认
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free -h
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