{"id":772,"date":"2019-09-01T14:44:26","date_gmt":"2019-09-01T06:44:26","guid":{"rendered":"https:\/\/ailog.tw\/lifelog\/?p=772"},"modified":"2019-10-02T21:26:52","modified_gmt":"2019-10-02T13:26:52","slug":"ubuntu-session","status":"publish","type":"post","link":"https:\/\/ailog.tw\/lifelog\/2019\/09\/01\/ubuntu-session\/","title":{"rendered":"Ubuntu Linux TCP Session\u6548\u80fd\u8abf\u6559"},"content":{"rendered":"<p>\u7576\u4f3a\u670d\u5668\u8ca0\u8f09\u9ad8\u65bc\u4e00\u5b9a\u7a0b\u5ea6\uff0c\u6703\u767c\u73fe\u9810\u8a2d\u7684\u7cfb\u7d71\u74b0\u5883\u8a2d\u5b9a\u6548\u80fd\u6703\u4e0d\u6577\u4f7f\u7528\uff0c\u8ddf\u8457\u5c0f\u7de8\u4e00\u8d77\u958b\u5916\u639b\uff0c\u69a8\u4e7e\u4e3b\u6a5f\u7684\u786c\u9ad4\u6548\u80fd\u5427!<!--more--><\/p>\n<p><strong>Set01.<\/strong><br \/>\n<span style=\"font-size: 1rem;\">sudo vi \/etc\/sysctl.conf<\/span><\/p>\n<p>\u65b0\u589e\u4e0b\u5217\u8a2d\u5b9a\u503c<br \/>\nfs.file-max = 65536<br \/>\nkernel.core_uses_pid = 1<br \/>\nkernel.msgmax = 65536<br \/>\nkernel.msgmnb = 65536<br \/>\nkernel.shmall = 4294967296<br \/>\nkernel.shmmax = 68719476736<br \/>\nkernel.sysrq = 0<br \/>\nnet.core.netdev_max_backlog = 262144<br \/>\nnet.core.optmem_max = 25165824<br \/>\nnet.core.rmem_default = 31457280<br \/>\nnet.core.rmem_max = 67108864<br \/>\nnet.core.somaxconn = 65535<br \/>\nnet.core.wmem_default = 31457280<br \/>\nnet.core.wmem_max = 16777216<br \/>\nnet.ipv4.conf.all.accept_redirects = 0<br \/>\nnet.ipv4.conf.all.accept_source_route = 0<br \/>\nnet.ipv4.conf.all.log_martians = 1<br \/>\nnet.ipv4.conf.all.rp_filter = 1<br \/>\nnet.ipv4.conf.default.accept_source_route = 0<br \/>\nnet.ipv4.conf.default.log_martians = 1<br \/>\nnet.ipv4.conf.default.rp_filter = 1<br \/>\nnet.ipv4.icmp_echo_ignore_all = 1<br \/>\nnet.ipv4.icmp_echo_ignore_broadcasts = 1<br \/>\nnet.ipv4.ip_forward = 0<br \/>\nnet.ipv4.ip_local_port_range = 1024 65000<br \/>\nnet.ipv4.tcp_fin_timeout = 30<br \/>\nnet.ipv4.tcp_keepalive_intvl = 15<br \/>\nnet.ipv4.tcp_keepalive_probes = 5<br \/>\nnet.ipv4.tcp_keepalive_time = 300<br \/>\nnet.ipv4.tcp_max_orphans = 3276800<br \/>\nnet.ipv4.tcp_max_syn_backlog = 8192<br \/>\nnet.ipv4.tcp_max_tw_buckets = 6000<br \/>\nnet.ipv4.tcp_mem = 94500000 915000000 927000000<br \/>\nnet.ipv4.tcp_orphan_retries = 3<br \/>\nnet.ipv4.tcp_rmem = 4096 87380 4194304<br \/>\nnet.ipv4.tcp_sack = 1<br \/>\n<span style=\"font-size: 1rem;\">net.ipv4.tcp_syn_retries=2<br \/>\n<\/span>net.ipv4.tcp_synack_retries = 1<br \/>\nnet.ipv4.tcp_syncookies = 1<br \/>\nnet.ipv4.tcp_timestamps = 0<br \/>\nnet.ipv4.tcp_tw_recycle = 1<br \/>\nnet.ipv4.tcp_tw_reuse = 1<br \/>\nnet.ipv4.tcp_window_scaling = 1<br \/>\nnet.ipv4.tcp_wmem = 4096 16384 4194304<\/p>\n<p><strong>Set02.\u7acb\u5373\u5957\u7528<\/strong><br \/>\nsudo sysctl -p<\/p>\n<p><strong>\u6ce8\u610f\u4e8b\u9805\uff1a<\/strong><br \/>\n\u900f\u904e\u8a72\u65b9\u6cd5\u53ef\u4ee5\u63d0\u5347Linux\u4e3b\u6a5f\u7684\u7db2\u8def\u9023\u7ddasession\u8655\u7406\u80fd\u529b\uff0c\u4f46\u4e5f\u8981\u95dc\u6ce8\u4e00\u4e0b\u4e3b\u6a5f\u662f\u5426\u627f\u53d7\u7684\u8d77\uff0c\u907f\u514d\u56e0\u70basession\u904e\u591a\u800c\u7576\u6a5f\u7684\u72c0\u6cc1\u767c\u751f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7576\u4f3a\u670d\u5668\u8ca0\u8f09\u9ad8\u65bc\u4e00\u5b9a\u7a0b\u5ea6\uff0c\u6703\u767c\u73fe\u9810\u8a2d\u7684\u7cfb\u7d71\u74b0\u5883\u8a2d\u5b9a\u6548\u80fd\u6703\u4e0d\u6577\u4f7f\u7528\uff0c\u8ddf\u8457\u5c0f\u7de8\u4e00\u8d77\u958b\u5916\u639b\uff0c\u69a8\u4e7e\u4e3b\u6a5f\u7684\u786c\u9ad4\u6548\u80fd\u5427!<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,379],"tags":[253,155],"class_list":["post-772","post","type-post","status-publish","format-standard","hentry","category-itinfo","category-linux","tag-sessionslinux","tag-ubuntu"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/posts\/772","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/comments?post=772"}],"version-history":[{"count":4,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/posts\/772\/revisions"}],"predecessor-version":[{"id":776,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/posts\/772\/revisions\/776"}],"wp:attachment":[{"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/media?parent=772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/categories?post=772"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/tags?post=772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}