{"id":2233,"date":"2021-11-02T12:55:29","date_gmt":"2021-11-02T04:55:29","guid":{"rendered":"https:\/\/www.eumz.com\/?p=2233"},"modified":"2021-11-02T12:55:29","modified_gmt":"2021-11-02T04:55:29","slug":"linux%e5%86%85%e6%a0%b8%e8%b0%83%e4%bc%98","status":"publish","type":"post","link":"https:\/\/www.wxcn.com\/?p=2233","title":{"rendered":"linux\u5185\u6838\u8c03\u4f18"},"content":{"rendered":"\n

vm.swappiness = 10
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw<\/a>_recycle = 1
net.ipv4.tcp_fin_timeout = 30
net.ipv4.tcp_keepalive_time = 1200
net.ipv4.ip_local_port_range = 1024 65000
net.ipv4.tcp_max_tw_buckets = 5000
net.ipv4.tcp_mem = 786432 1048576 1572864
net.core.wmem_max = 873200
net.core.rmem_max = 873200
net.ipv4.tcp_wmem = 8192 436600 873200
net.ipv4.tcp_rmem = 32768 436600 873200
net.core.somaxconn = 256
net.core.netdev_max_backlog = 1000
net.ipv4.tcp_max_syn_backlog = 2048
net.ipv4.tcp_retries2 = 5
net.ipv4.tcp_keepalive_intvl = 30
net.ipv4.tcp_keepalive_probes = 3
net.ipv4.conf.lo.arp_ignore = 0
net.ipv4.conf.lo.arp_announce = 0
net.ipv4.conf.all.arp_ignore = 0
net.ipv4.conf.all.arp_announce = 0<\/p>\n\n\n\n

#\u4e0b\u9762\u662fiptables\u76f8\u5173
net.ipv4.ip_conntrack_max = 6553600
net.ipv4.netfilter.ip_conntrack_max = 6553600
net.ipv4.netfilter.ip_conntrack_tcp_timeout_established = 300
net.ipv4.netfilter.ip_conntrack_tcp_timeout_time_wait = 120
net.ipv4.netfilter.ip_conntrack_tcp_timeout_close_wait = 60
net.ipv4.netfilter.ip_conntrack_tcp_timeout_fin_wait = 120
net.ipv4.neigh.default.gc_thresh1 = 10240
net.ipv4.neigh.default.gc_thresh2 = 40960
net.ipv4.neigh.default.gc_thresh3 = 81920<\/p>\n\n\n\n

\u51e0\u4e2a\u89e3\u91ca\uff1a<\/p>\n\n\n\n

swappiness\u7684\u503c\u7684\u5927\u5c0f\u5bf9\u5982\u4f55\u4f7f\u7528swap\u5206\u533a\u662f\u6709\u7740\u5f88\u5927\u7684\u8054\u7cfb\u7684\u3002swappiness=0\u7684\u65f6\u5019\u8868\u793a\u6700\u5927\u9650\u5ea6\u4f7f\u7528\u7269\u7406\u5185\u5b58\uff0c\u7136\u540e\u624d\u662f swap\u7a7a\u95f4\uff0cswappiness\uff1d100\u7684\u65f6\u5019\u8868\u793a\u79ef\u6781\u7684\u4f7f\u7528swap\u5206\u533a\uff0c\u5e76\u4e14\u628a\u5185\u5b58\u4e0a\u7684\u6570\u636e\u53ca\u65f6\u7684\u642c\u8fd0\u5230swap\u7a7a\u95f4\u91cc\u9762\u3002\u4e24\u4e2a\u6781\u7aef\uff0c\u5bf9\u4e8e centos linux 5\u7684\u9ed8\u8ba4\u8bbe\u7f6e\uff0c\u8fd9\u4e2a\u503c\u7b49\u4e8e60\uff0c\u5efa\u8bae\u4fee\u6539\u4e3a10\u3002<\/p>\n\n\n\n

net.ipv4.tcp_syncookies = 1
#\u8868\u793a\u5f00\u542fSYN Cookies\u3002\u5f53\u51fa\u73b0SYN\u7b49\u5f85\u961f\u5217\u6ea2\u51fa\u65f6\uff0c\u542f\u7528cookies\u6765\u5904\u7406\uff0c\u53ef\u9632\u8303\u5c11\u91cfSYN\u653b\u51fb\uff0c\u9ed8\u8ba4\u4e3a0\uff0c\u8868\u793a\u5173\u95ed\uff1b
net.ipv4.tcp_tw_reuse = 1
#\u8868\u793a\u5f00\u542f\u91cd\u7528\u3002\u5141\u8bb8\u5c06TIME-WAIT sockets\u91cd\u65b0\u7528\u4e8e\u65b0\u7684TCP\u8fde\u63a5\uff0c\u9ed8\u8ba4\u4e3a0\uff0c\u8868\u793a\u5173\u95ed\uff1b
net.ipv4.tcp_tw_recycle = 1
#\u8868\u793a\u5f00\u542fTCP\u8fde\u63a5\u4e2dTIME-WAIT sockets\u7684\u5feb\u901f\u56de\u6536\uff0c\u9ed8\u8ba4\u4e3a0\uff0c\u8868\u793a\u5173\u95ed\u3002
net.ipv4.tcp_fin_timeout = 30
#\u8868\u793a\u5982\u679c\u5957\u63a5\u5b57\u7531\u672c\u7aef\u8981\u6c42\u5173\u95ed\uff0c\u8fd9\u4e2a\u53c2\u6570\u51b3\u5b9a\u4e86\u5b83\u4fdd\u6301\u5728FIN-WAIT-2\u72b6\u6001\u7684\u65f6\u95f4\u3002
net.ipv4.tcp_keepalive_time = 1200 
#\u8868\u793a\u5f53keepalive\u8d77\u7528\u7684\u65f6\u5019\uff0cTCP\u53d1\u9001keepalive\u6d88\u606f\u7684\u9891\u5ea6\u3002\u7f3a\u7701\u662f2\u5c0f\u65f6\uff0c\u6539\u4e3a20\u5206\u949f\u3002
net.ipv4.ip_local_port_range = 1024    65000 
#\u8868\u793a\u7528\u4e8e\u5411\u5916\u8fde\u63a5\u7684\u7aef\u53e3\u8303\u56f4\u3002\u7f3a\u7701\u60c5\u51b5\u4e0b\u5f88\u5c0f\uff1a32768\u523061000\uff0c\u6539\u4e3a1024\u523065000\u3002<\/p>\n\n\n\n

net.ipv4.tcp_max_tw_buckets = 5000
#\u8868\u793a\u7cfb\u7edf\u540c\u65f6\u4fdd\u6301TIME_WAIT\u5957\u63a5\u5b57\u7684\u6700\u5927\u6570\u91cf\uff0c\u5982\u679c\u8d85\u8fc7\u8fd9\u4e2a\u6570\u5b57\uff0c
#TIME_WAIT\u5957\u63a5\u5b57\u5c06\u7acb\u523b\u88ab\u6e05\u9664\u5e76\u6253\u5370\u8b66\u544a\u4fe1\u606f\u3002\u9ed8\u8ba4\u4e3a180000\uff0c\u6539\u4e3a5000\u3002
#\u5bf9\u4e8eApache\u3001Nginx\u7b49\u670d\u52a1\u5668\uff0c\u4e0a\u51e0\u884c\u7684\u53c2\u6570\u53ef\u4ee5\u5f88\u597d\u5730\u51cf\u5c11TIME_WAIT\u5957\u63a5\u5b57\u6570\u91cf\uff0c
#\u4f46\u662f\u5bf9\u4e8eSquid\uff0c\u6548\u679c\u5374\u4e0d\u5927\u3002\u6b64\u9879\u53c2\u6570\u53ef\u4ee5\u63a7\u5236TIME_WAIT\u5957\u63a5\u5b57\u7684\u6700\u5927\u6570\u91cf\uff0c\u907f\u514dSquid\u670d\u52a1\u5668\u88ab\u5927\u91cf\u7684TIME_WAIT\u5957\u63a5\u5b57\u62d6\u6b7b\u3002<\/p>\n\n\n\n

\u76f8\u5173\u53c2\u6570\u8bf4\u660e\uff1aARP\u652f\u6301\u4e00\u4e2asysctl\u63a5\u53e3\uff0c\u53ef\u4ee5\u7528\u4ee5\u914d\u7f6e\u5168\u5c40\u53c2\u6570\u6216\u9010\u4e2a\u7f51\u7edc\u63a5\u53e3\u5730\u8fdb\u884c\u914d\u5236\u3002\u8be5sysctl\u53ef\u4ee5\u901a\u8fc7\/proc\/sys \/net\/ipv4\/neigh\/*\/*\u6587\u4ef6\u6216\u8005\u4f7f\u7528sysctl(2)\u63a5\u53e3\u6765\u8bbf\u95ee\u3002\u7cfb\u7edf\u4e2d\u6bcf\u4e2a\u63a5\u53e3\u90fd\u5728\/proc\/sys\/net\/ipv4 \/neigh\/.\u4e2d\u6709\u81ea\u5df1\u7684\u76ee\u5f55\u3002`default’\u76ee\u5f55\u4e2d\u7684\u8bbe\u7f6e\u7528\u4e8e\u6240\u6709\u65b0\u5efa\u7684\u8bbe\u5907\u3002sysctl\u76f8\u5173\u7684\u65f6\u95f4\u662f\u4ee5\u79d2\u4e3a\u5355\u4f4d\uff0c\u9664\u975e\u7279\u522b\u58f0\u660e\u8fc7\uff0e
anycast_delay \u3000\u3000\u5bf9IPv6\u76f8\u90bb\u8bf7\u6c42\u4fe1\u606f\u7684\u56de\u590d\u7684\u6700\u5927\u5ef6\u8fdf\u65f6\u95f4\uff1b\u76ee\u524d\u8fd8\u4e0d\u652f\u6301anycast\u3002\u7f3a\u7701\u503c\u4e3a1\u79d2\u3002\u3000\u3000app_solicit\u3000\u3000\u8fd9\u662f\u5728\u4f7f\u7528\u591a\u8def\u5e7f\u64ad\u63a2\u6d4b(multicast probe)\u524d\uff0c\u7ecf\u8fc7\u7f51\u7edc\u8fde\u63a5\u9001\u5230\u7528\u6237\u95f4\u9699ARP\u7aef\u53e3\u76d1\u63a7\u7a0b\u5e8f\u7684\u63a2\u6d4b\uff08probe\uff09\u6700\u5927\u6570\u76ee(\u89c1mcast_solicit)\u3002\u7f3a\u7701\u503c\u4e3a0\u3002\u3000\u3000base_reachable_time\u3000\u3000\u4e00\u65e6\u53d1\u73b0\u76f8\u90bb\u8bb0\u5f55\uff0c\u81f3\u5c11\u5728\u4e00\u6bb5\u4ecb\u4e8ebase_reachable_time\/2\u548c3*base_reachable_time\/2\u4e4b\u95f4\u7684\u968f\u673a\u65f6\u95f4\u5185\uff0c\u8be5\u8bb0\u5f55\u662f\u6709\u6548\u7684\u3002\u5982\u679c\u6536\u5230\u4e0a\u5c42\u534f\u8bae\u7684\u80af\u5b9a\u53cd\u9988\uff0c\u90a3\u4e48\u8bb0\u5f55\u7684\u6709\u6548\u671f\u5c06\u5ef6\u957f\u3002\u7f3a\u7701\u503c\u662f30\u79d2\u3002\u3000\u3000delay_first_probe_time\u3000\u3000\u53d1\u73b0\u67d0\u4e2a\u76f8\u90bb\u5c42\u8bb0\u5f55\u65e0\u6548(stale)\u540e\uff0c\u53d1\u51fa\u7b2c\u4e00\u4e2a\u63a2\u6d4b\u8981\u7b49\u5f85\u7684\u65f6\u95f4\u3002\u7f3a\u7701\u503c\u662f5\u79d2\u3002\u3000\u3000gc_interval\u3000\u3000\u6536\u96c6\u76f8\u90bb\u5c42\u8bb0\u5f55\u7684\u65e0\u7528\u8bb0\u5f55\u7684\u5783\u573e\u6536\u96c6\u7a0b\u5e8f\u7684\u8fd0\u884c\u5468\u671f\uff0c\u7f3a\u7701\u4e3a30\u79d2\u3002\u3000\u3000gc_stale_time\u3000\u3000\u51b3\u5b9a\u68c0\u67e5\u4e00\u6b21\u76f8\u90bb\u5c42\u8bb0\u5f55\u7684\u6709\u6548\u6027\u7684\u5468\u671f\u3002\u5f53\u76f8\u90bb\u5c42\u8bb0\u5f55\u5931\u6548\u65f6\uff0c\u5c06\u5728\u7ed9\u5b83\u53d1\u9001\u6570\u636e\u524d\uff0c\u518d\u89e3\u6790\u4e00\u6b21\u3002\u7f3a\u7701\u503c\u662f60\u79d2\u3002\u3000\u3000gc_thresh1\u3000\u3000\u5b58\u5728\u4e8eARP\u9ad8\u901f\u7f13\u5b58\u4e2d\u7684\u6700\u5c11\u5c42\u6570\uff0c\u5982\u679c\u5c11\u4e8e\u8fd9\u4e2a\u6570\uff0c\u5783\u573e\u6536\u96c6\u5668\u5c06\u4e0d\u4f1a\u8fd0\u884c\u3002\u7f3a\u7701\u503c\u662f128\u3002\u3000\u3000gc_thresh2\u3000\u3000\u4fdd\u5b58\u5728ARP\u9ad8\u901f\u7f13\u5b58\u4e2d\u7684\u6700\u591a\u7684\u8bb0\u5f55\u8f6f\u9650\u5236\u3002\u5783\u573e\u6536\u96c6\u5668\u5728\u5f00\u59cb\u6536\u96c6\u524d\uff0c\u5141\u8bb8\u8bb0\u5f55\u6570\u8d85\u8fc7\u8fd9\u4e2a\u6570\u5b575\u79d2\u3002\u7f3a\u7701\u503c\u662f512\u3002\u3000\u3000gc_thresh3\u3000\u3000\u4fdd\u5b58\u5728ARP\u9ad8\u901f\u7f13\u5b58\u4e2d\u7684\u6700\u591a\u8bb0\u5f55\u7684\u786c\u9650\u5236\uff0c\u4e00\u65e6\u9ad8\u901f\u7f13\u5b58\u4e2d\u7684\u6570\u76ee\u9ad8\u4e8e\u6b64\uff0c\u5783\u573e\u6536\u96c6\u5668\u5c06\u9a6c\u4e0a\u8fd0\u884c\u3002\u7f3a\u7701\u503c\u662f1024\u3002\u3000\u3000locktime\u3000\u3000ARP\u8bb0\u5f55\u4fdd\u5b58\u5728\u9ad8\u901f\u7f13\u5b58\u5185\u7684\u6700\u77ed\u65f6\u95f4\uff08jiffy\u6570\uff09\uff0c\u4ee5\u9632\u6b62\u5b58\u5728\u591a\u4e2a\u53ef\u80fd\u7684\u6620\u5c04(potential mapping)\u65f6\uff0cARP\u9ad8\u901f\u7f13\u5b58\u7cfb\u7edf\u7684\u98a0\u7c38(\u7ecf\u5e38\u662f\u7531\u4e8e\u7f51\u7edc\u7684\u9519\u8bef\u914d\u7f6e\u800c\u5f15\u8d77)\u3002\u7f3a\u7701\u503c\u662f1\u79d2\u3002\u3000\u3000mcast_solicit\u3000\u3000\u5728\u628a\u8bb0\u5f55\u6807\u8bb0\u4e3a\u4e0d\u53ef\u62b5\u8fbe\u7684\u4e4b\u524d\uff0c\u7528\u591a\u8def\u5e7f\u64ad\/\u5e7f\u64ad\uff08multicast\/broadcast\uff09\u65b9\u5f0f\u89e3\u6790\u5730\u5740\u7684\u6700\u5927\u6b21\u6570\u3002\u3000\u3000\u7f3a\u7701\u503c\u662f3\u3002\u3000\u3000proxy_delay\u3000\u3000\u5f53\u63a5\u6536\u5230\u6709\u4e00\u4e2a\u8bf7\u6c42\u5df2\u77e5\u7684\u4ee3\u7406ARP\u5730\u5740\u7684ARP\u8bf7\u6c42\u65f6\uff0c\u5728\u56de\u5e94\u524d\u53ef\u4ee5\u5ef6\u8fdf\u7684jiffy\uff08\u65f6\u95f4\u5355\u4f4d\uff0c\u89c1BUG\uff09\u6570\u76ee\u3002\u8fd9\u6837\uff0c\u4ee5\u9632\u6b62\u7f51\u7edc\u98ce\u66b4\u3002\u7f3a\u7701\u503c\u662f0.8\u79d2\u3002\u3000\u3000proxy_qlen\u3000\u3000\u80fd\u653e\u5165\u4ee3\u7406ARP\u5730\u5740\u961f\u5217(proxy-ARP addresses)\u7684\u6570\u636e\u5305\u6700\u5927\u6570\u76ee\u3002\u7f3a\u7701\u503c\u662f64\u3002\u3000\u3000retrans_time\u3000\u3000\u91cd\u53d1\u4e00\u4e2a\u8bf7\u6c42\u524d\u7684\u7b49\u5f85jiffy\uff08\u65f6\u95f4\u5355\u4f4d\uff0c\u89c1BUG\uff09\u7684\u6570\u76ee\u3002\u7f3a\u7701\u503c\u662f1\u79d2\u3002\u3000\u3000ucast_solicit\u3000\u3000\u8be2\u95eeARP\u7aef\u53e3\u76d1\u63a7\u7a0b\u5e8f\u524d\uff0c\u8bd5\u56fe\u53d1\u9001\u5355\u63a2\u6d4b\uff08unicast probe\uff09\u7684\u6b21\u6570\u3002(\u89c1app_solicit).\u7f3a\u7701\u503c\u662f3\u79d2\u3002\u3000\u3000unres_qlen\u3000\u3000\u6bcf\u4e2a\u6ca1\u6709\u88ab\u5176\u5b83\u7f51\u7edc\u5c42\u89e3\u6790\u7684\u5730\u5740\uff0c\u5728\u961f\u5217\u4e2d\u53ef\u5b58\u653e\u5305\u7684\u6700\u5927\u6570\u76ee\u3002\u7f3a\u7701\u503c\u662f3\u3002<\/p>\n\n\n\n

$ \/proc\/sys\/net\/core\/wmem_max
\u6700\u5927socket\u5199buffer,\u53ef\u53c2\u8003\u7684\u4f18\u5316\u503c:873200<\/p>\n\n\n\n

$ \/proc\/sys\/net\/core\/rmem_max
\u6700\u5927socket\u8bfbbuffer,\u53ef\u53c2\u8003\u7684\u4f18\u5316\u503c:873200<\/p>\n\n\n\n

$ \/proc\/sys\/net\/ipv4\/tcp_wmem
TCP\u5199buffer,\u53ef\u53c2\u8003\u7684\u4f18\u5316\u503c: 8192 436600 873200<\/p>\n\n\n\n

$ \/proc\/sys\/net\/ipv4\/tcp_rmem
TCP\u8bfbbuffer,\u53ef\u53c2\u8003\u7684\u4f18\u5316\u503c: 32768 436600 873200<\/p>\n\n\n\n

$ \/proc\/sys\/net\/ipv4\/tcp_mem
\u540c\u6837\u67093\u4e2a\u503c,\u610f\u601d\u662f:
net.ipv4.tcp_mem[0]:\u4f4e\u4e8e\u6b64\u503c,TCP\u6ca1\u6709\u5185\u5b58\u538b\u529b \u3002
net.ipv4.tcp_mem[1]:\u5728\u6b64\u503c\u4e0b,\u8fdb\u5165\u5185\u5b58\u538b\u529b\u9636\u6bb5 \u3002
net.ipv4.tcp_mem[2]:\u9ad8\u4e8e\u6b64\u503c,TCP\u62d2\u7edd\u5206\u914dsocket \u3002
\u4e0a\u8ff0\u5185\u5b58\u5355\u4f4d\u662f\u9875,\u800c\u4e0d\u662f\u5b57\u8282 \u3002
\u53ef\u53c2\u8003\u7684\u4f18\u5316\u503c\u662f:786432 1048576 1572864<\/p>\n\n\n\n

$ \/proc\/sys\/net\/core\/netdev_max_backlog
\u8fdb\u5165\u5305\u7684\u6700\u5927\u8bbe\u5907\u961f\u5217.\u9ed8\u8ba4\u662f300,\u5bf9\u91cd\u8d1f\u8f7d\u670d\u52a1\u5668\u800c\u8a00,\u8be5\u503c\u592a\u4f4e,\u53ef\u8c03\u6574\u52301000 \u3002 <\/p>\n\n\n\n

$ \/proc\/sys\/net\/core\/somaxconn
listen()\u7684\u9ed8\u8ba4\u53c2\u6570,\u6302\u8d77\u8bf7\u6c42\u7684\u6700\u5927\u6570\u91cf.\u9ed8\u8ba4\u662f128.\u5bf9\u7e41\u5fd9\u7684\u670d\u52a1\u5668,\u589e\u52a0\u8be5\u503c\u6709\u52a9\u4e8e\u7f51\u7edc\u6027\u80fd \u3002
\u53ef\u8c03\u6574\u5230256 \u3002 <\/p>\n\n\n\n

$ \/proc\/sys\/net\/core\/optmem_max
socket buffer\u7684\u6700\u5927\u521d\u59cb\u5316\u503c,\u9ed8\u8ba410K \u3002 <\/p>\n\n\n\n

$ \/proc\/sys\/net\/ipv4\/tcp_max_syn_backlog
\u8fdb\u5165SYN\u5305\u7684\u6700\u5927\u8bf7\u6c42\u961f\u5217.\u9ed8\u8ba41024.\u5bf9\u91cd\u8d1f\u8f7d\u670d\u52a1\u5668,\u589e\u52a0\u8be5\u503c\u663e\u7136\u6709\u597d\u5904.
\u53ef\u8c03\u6574\u52302048.<\/p>\n\n\n\n

$ \/proc\/sys\/net\/ipv4\/tcp_retries2
TCP\u5931\u8d25\u91cd\u4f20\u6b21\u6570,\u9ed8\u8ba4\u503c15,\u610f\u5473\u7740\u91cd\u4f2015\u6b21\u624d\u5f7b\u5e95\u653e\u5f03.\u53ef\u51cf\u5c11\u52305,\u4ee5\u5c3d\u65e9\u91ca\u653e\u5185\u6838\u8d44\u6e90 \u3002 <\/p>\n\n\n\n

$ \/proc\/sys\/net\/ipv4\/tcp_keepalive_time
$ \/proc\/sys\/net\/ipv4\/tcp_keepalive_intvl
$ \/proc\/sys\/net\/ipv4\/tcp_keepalive_probes
\u8fd93\u4e2a\u53c2\u6570\u4e0eTCP KeepAlive\u6709\u5173.\u9ed8\u8ba4\u503c\u662f:<\/p>\n\n\n\n

tcp_keepalive_time = 7200 seconds (2 hours)
tcp_keepalive_probes = 9
tcp_keepalive_intvl = 75 seconds<\/p>\n\n\n\n

\u610f\u601d\u662f\u5982\u679c\u67d0\u4e2aTCP\u8fde\u63a5\u5728idle 2\u4e2a\u5c0f\u65f6\u540e,\u5185\u6838\u624d\u53d1\u8d77probe.\u5982\u679cprobe 9\u6b21(\u6bcf\u6b2175\u79d2)\u4e0d\u6210\u529f,\u5185\u6838\u624d\u5f7b\u5e95\u653e\u5f03,\u8ba4\u4e3a\u8be5\u8fde\u63a5\u5df2\u5931\u6548.\u5bf9\u670d\u52a1\u5668\u800c\u8a00,\u663e\u7136\u4e0a\u8ff0\u503c\u592a\u5927 \u3002 \u53ef\u8c03\u6574\u5230:<\/p>\n\n\n\n

\/proc\/sys\/net\/ipv4\/tcp_keepalive_time 1800
\/proc\/sys\/net\/ipv4\/tcp_keepalive_intvl 30
\/proc\/sys\/net\/ipv4\/tcp_keepalive_probes 3<\/p>\n\n\n\n

$ proc\/sys\/net\/ipv4\/ip_local_port_range
\u6307\u5b9a\u7aef\u53e3\u8303\u56f4\u7684\u4e00\u4e2a\u914d\u7f6e,\u9ed8\u8ba4\u662f32768 61000,\u5df2\u591f\u5927\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

vm.swappiness = 10net.ipv4.tcp_syncookies = 1net.ipv4.t […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[183,374,570],"class_list":["post-2233","post","type-post","status-publish","format-standard","hentry","category-operating-system","tag-linux-2","tag-374","tag-570"],"_links":{"self":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts\/2233","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2233"}],"version-history":[{"count":0,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts\/2233\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}