{"id":257,"date":"2016-03-19T17:00:52","date_gmt":"2016-03-19T09:00:52","guid":{"rendered":"http:\/\/www.xiaoxiaoliang.com\/?p=257"},"modified":"2016-03-19T17:00:52","modified_gmt":"2016-03-19T09:00:52","slug":"linux%e8%84%9a%e6%9c%ac%e5%b7%a5%e5%85%b7%e4%b8%80%e9%94%ae%e4%bc%98%e5%8c%96%e7%b3%bb%e7%bb%9fsocket%e5%8f%82%e6%95%b0","status":"publish","type":"post","link":"https:\/\/www.xiaoxiaoliang.com\/?p=257","title":{"rendered":"LINUX\u811a\u672c\u5de5\u5177:\u4e00\u952e\u4f18\u5316\u7cfb\u7edfsocket\u53c2\u6570"},"content":{"rendered":"<pre class=\"lang:sh decode:true \">#!\/bin\/bash\n\n# set ulimit\nlimit()\n{\necho \"ulimit -SHn 102400\" &gt;&gt;\/etc\/rc.local\ncat &gt;&gt; \/etc\/security\/limits.conf &lt;&lt; EOF\n*           soft   nofile       65535\n*           hard   nofile       65535\nEOF\n}\n\n# set sysctl\nsysctl()\n{\ncp \/etc\/sysctl.conf \/etc\/sysctl.conf-$(date +%F).bak\ntrue &gt; \/etc\/sysctl.conf\ncat &gt;&gt; \/etc\/sysctl.conf &lt;&lt; EOF\nnet.ipv4.ip_forward = 0\nnet.ipv4.conf.default.rp_filter = 1\nnet.ipv4.conf.default.accept_source_route = 0\nkernel.sysrq = 0\nkernel.core_uses_pid = 1\nnet.ipv4.tcp_syncookies = 1\nkernel.msgmnb = 65536\nkernel.msgmax = 65536\nkernel.shmmax = 68719476736\nkernel.shmall = 4294967296\nnet.ipv4.tcp_max_tw_buckets = 6000\nnet.ipv4.tcp_sack = 1\nnet.ipv4.tcp_window_scaling = 1\nnet.ipv4.tcp_rmem = 4096 87380 4194304\nnet.ipv4.tcp_wmem = 4096 16384 4194304\nnet.core.wmem_default = 8388608\nnet.core.rmem_default = 8388608\nnet.core.rmem_max = 16777216\nnet.core.wmem_max = 16777216\nnet.core.netdev_max_backlog = 262144\nnet.core.somaxconn = 262144\nnet.ipv4.tcp_max_orphans = 3276800\nnet.ipv4.tcp_max_syn_backlog = 262144\nnet.ipv4.tcp_timestamps = 0\nnet.ipv4.tcp_synack_retries = 1\nnet.ipv4.tcp_syn_retries = 1\nnet.ipv4.tcp_tw_recycle = 1\nnet.ipv4.tcp_tw_reuse = 1\nnet.ipv4.tcp_mem = 94500000 915000000 927000000\nnet.ipv4.tcp_fin_timeout = 1\nnet.ipv4.tcp_keepalive_time = 1200\nnet.ipv4.ip_local_port_range = 1024 65535\n#net.ipv4.icmp_echo_ignore_all = 1  #\u7981ping\uff0c\u5982\u679c\u6709nagios\u76d1\u63a7\uff0c\u8fd9\u6b65\u53ef\u7701\u53bb\nEOF\n\/sbin\/sysctl -p\necho \"sysctl set OK!!\"\n}\n\n#-----------------------------------------------------------------------------\nlimit\nsysctl<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>#!\/bin\/bash # set ulimit limit() { echo &#8220;ulimit -SHn 10 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=\/wp\/v2\/posts\/257"}],"collection":[{"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=257"}],"version-history":[{"count":0,"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=\/wp\/v2\/posts\/257\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaoxiaoliang.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}