{"id":1152,"date":"2020-05-21T00:09:38","date_gmt":"2020-05-20T16:09:38","guid":{"rendered":"https:\/\/www.siediyer.cn\/?p=1152"},"modified":"2020-05-21T00:09:38","modified_gmt":"2020-05-20T16:09:38","slug":"linux%e6%95%99%e7%a8%8b%ef%bc%9a%e6%90%ac%e7%93%a6%e5%b7%a5vps%e6%9f%a5%e7%9c%8b%e3%80%81%e4%bf%ae%e6%94%b9%e3%80%81%e6%96%b0%e5%a2%9eswap%e5%88%86%e5%8c%ba%e7%9a%84%e5%a4%a7%e5%b0%8f","status":"publish","type":"post","link":"https:\/\/www.siediyer.cn\/?p=1152","title":{"rendered":"Linux\u6559\u7a0b\uff1a\u642c\u74e6\u5de5VPS\u67e5\u770b\u3001\u4fee\u6539\u3001\u65b0\u589eSWAP\u5206\u533a\u7684\u5927\u5c0f"},"content":{"rendered":"

\u642c\u74e6\u5de5 Linux VPS \u4e0a\u5982\u4f55\u67e5\u770bSWAP\u5206\u533a\u7684\u5927\u5c0f\uff0c\u4fee\u6539SWAP\u5206\u533a\u7684\u5927\u5c0f\uff0c\u65b0\u589eSWAP\u5206\u533a\u3002\u8fd9\u6837\u5199\u6bd4\u8f83\u987a\uff0c\u6807\u9898\u5c31\u52c9\u5f3a\u770b\u4e00\u4e0b\u3002<\/p>\n

\u4eca\u5929\u62ff\u51fa\u642c\u74e6\u5de5\u7684\u9999\u6e2fVPS\uff0c9.9\u5143\u6708\u4ed8\u4f20\u5bb6\u5b9d\uff0c\u6253\u7b97\u628a\u7f51\u7ad9\u642c\u8fc7\u53bb\u3002\u88c5\u4e0aLAMP\u540e\uff0c\u51b3\u5b9a\u589e\u52a0SWAP\u5206\u533a\u7684\u5927\u5c0f\uff0c\u4e0b\u9762\u8bb0\u5f55\u4e00\u4e0b\u8fc7\u7a0b\u3002<\/p>\n

\u67e5\u770bSWAP\u5206\u533a\u5927\u5c0f<\/strong><\/h2>\n

\u8fd9\u4e2a\u6bd4\u8f83\u7b80\u5355\uff0c\u4f7f\u7528\u547d\u4ee4\uff1a<\/p>\n

free -h<\/pre>\n
\u6216\u8005<\/p>\n
free -m<\/pre>\n
\u5c31\u80fd\u770b\u5230SWAP\u5206\u533a\u76ee\u524d\u7684\u5927\u5c0f\u4e86\u3002<\/p>\n
\u4fee\u6539\u3001\u65b0\u589eSWAP\u5206\u533a\u7684\u5927\u5c0f<\/strong><\/h2>\n
\u4fee\u6539\u5927\u5c0f\uff0c\u6211\u4eec\u91c7\u53d6\u7684\u65b9\u6cd5\u662f\u5148\u5220\u9664SWAP\u5206\u533a\uff0c\u7136\u540e\u65b0\u5efa\u66f4\u5927\u7684\u3002<\/p>\n
1. \u5220\u9664\u6240\u6709SWAP\u5206\u533a<\/strong><\/p>\n
swapoff -a<\/pre>\n
2. \u65b0\u589eSWAP\u5206\u533a<\/strong><\/p>\n
\u65b9\u6cd5\u4e00\uff1a\u6dfb\u52a0\u4e00\u4e2aswap\u6587\u4ef6\u4f5c\u4e3aswap<\/strong><\/p>\n
\u8fd9\u4e2a\u662f\u642c\u74e6\u5de5\u76ee\u524d\u7684\u9ed8\u8ba4\u505a\u6cd5\uff0c\u6240\u4ee5\u6211\u4eec\u4e5f\u5efa\u8bae\u91c7\u7528\u8fd9\u4e2a\u505a\u6cd5\u3002<\/p>\n
2.1 \u521b\u5efaswap\u5206\u533a\u7684\u6587\u4ef6\uff1a<\/p>\n
dd if=\/dev\/zero of=\/root\/swapfile bs=1M count=1024<\/pre>\n
\u5176\u4e2d bs\u662f\u6bcf\u5757\u7684\u5927\u5c0f\uff0ccount\u662f\u5757\u7684\u6570\u91cf\uff0cbs*count\uff0c\u5c31\u662fswap\u6587\u4ef6\u7684\u5927\u5c0f\u4e86\uff0c\u8fd9\u91cc\u5c31\u662f1M*1024=1G\u3002\u5927\u5bb6\u53ef\u4ee5\u81ea\u5df1\u8c03\u6574count\u7684\u6570\u91cf\u3002<\/p>\n
\u6b64\u5916\uff0c\/root\/swapfile<\/code>\u662fswap\u6587\u4ef6\u7684\u8def\u5f84\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u4fee\u6539\u3002<\/p>\n
2.2 \u683c\u5f0f\u5316\u4ea4\u6362\u5206\u533a\u6587\u4ef6\uff1a<\/p>\n
mkswap \/root\/swapfile<\/pre>\n
\u8fd9\u91cc\u7684\u8def\u5f84\u548c\u4e4b\u524d\u7684\u8def\u5f84\u8981\u5bf9\u5e94\u8d77\u6765\u3002<\/p>\n
2.3 \u542f\u7528swap\u5206\u533a\u6587\u4ef6\uff1a<\/p>\n
swapon \/root\/swapfile<\/pre>\n
2.4 \u6dfb\u52a0\u5f00\u673a\u542f\u52a8\uff1a<\/p>\n
\u4fee\u6539\u00a0\/etc\/fstab<\/code>\u00a0\u8fd9\u4e2a\u6587\u4ef6\uff0c\u6dfb\u52a0\u6216\u8005\u4fee\u6539\u8fd9\u4e00\u884c\uff1a<\/p>\n
\/root\/swapfile swap swap defaults 0 0<\/pre>\n
\u6ce8\u610f\uff0c\u8def\u5f84\u8fd8\u662f\u8981\u5bf9\u5e94\u3002\u6700\u540e\u4e24\u4e2a\u662f\u96f6\uff0c\u4e0d\u662f\u6b27\u3002<\/p>\n
\u597d\u4e86\uff0c\u73b0\u5728\u53ef\u4ee5\u518d\u770b\u4e00\u4e0bswap\u7684\u5927\u5c0f\u4e86\uff08\u6211\u6dfb\u52a0\u4e862G\u7684swap\uff09\uff1a<\/p>\n
\"\"<\/p>\n
\u4e0b\u9762\u518d\u4ecb\u7ecd\u4e00\u4e0b\u65b9\u6cd5\u4e8c\u3002<\/p>\n
\u65b9\u6cd5\u4e8c\uff1a\u65b0\u5efa\u5206\u533a\u4f5c\u4e3aswap\u5206\u533a<\/strong><\/p>\n
\u8fd9\u4e2a\u662fLinode\u7684\u9ed8\u8ba4\u505a\u6cd5\uff0c\u8fd9\u91cc\u4e5f\u4ecb\u7ecd\u4e00\u4e0b\u3002<\/p>\n
\u4f7f\u7528fdisk\u521b\u5efa\u4ea4\u6362\u5206\u533a\uff08\u5047\u8bbe\u662f\u00a0\/dev\/sdb2<\/code>\uff09\uff1b<\/p>\n
\u4f7f\u7528 mkswap \u8bbe\u7f6e\u4ea4\u6362\u5206\u533a\uff1a<\/p>\n
mkswap \/dev\/sdb2<\/pre>\n
\u542f\u7528\u4ea4\u6362\u5206\u533a\uff1a<\/p>\n
swapon \/dev\/sdb2<\/pre>\n
\u5199\u5165\u00a0\/etc\/fstab<\/code>\uff1a<\/p>\n
\/dev\/sdb2 swap swap defaults 0 0<\/pre>\n
\u597d\u4e86\uff0c\u5230\u6b64\u90fd\u80fd\u5b8c\u6210\u8fd9\u4e2a\u64cd\u4f5c\u3002<\/p>\n
\u5176\u4ed6<\/h2>\n
\u8d76\u7d27\u4e70\u4e00\u4e2a\u73a9\u73a9\u5427\u3002<\/p>\n
\u4e70\u7684\u4eba\u6700\u591a\u7684\uff1a<\/strong><\/p>\n
CN2 \u7279\u4ef7\u4fc3\u9500\u7248 \u2013 10G\uff08\u76ee\u524d\u6700\u4fbf\u5b9c\uff09<\/strong><\/p>\n