Nginx
\/usr\/local\/nginx\/sbin\/nginx -s reload\u00a0\u00a0 \u91cd\u555fnginx
\/usr\/local\/nginx\/sbin\/nginx \u555f\u52d5nginx<\/p>\n\n\n\n
Network
telnet 47.90.45.137 9091 ping\u6307\u5b9a\u57e0\u662f\u5426\u901a<\/p>\n\n\n\n
Port
firewall-cmd –list-ports \u67e5\u770b\u5c0d\u5916\u958b\u653e\u7684\u6240\u6709\u57e0
netstat -ntulp |grep 8880 \u67e5\u770b8880\u57e0\u662f\u5426\u555f\u52d5
netstat -nat|grep -i \u201c80\u201d|wc -l \u67e5\u770b\u6307\u5b9a80\u57e0\u7684\u63a7\u5236\u78bc\u6578
firewall-cmd –permanent –zone=public –add-port=8080\/tcp \u958b\u653e\u6307\u5b9a\u57e0
systemctl reload firewalld \u91cd\u555f\u9632\u706b\u7246<\/p>\n\n\n\n
Process
netstat -nap | grep 30754 \u67e5\u770b\u6307\u5b9a\u9032\u7a0b\u4f54\u7528\u57e0
netstat -an | grep 8101 \u67e5\u770b\u6307\u5b9a\u57e0\u4f54\u7528\u9032\u7a0b
netstat -anpt | grep LISTEN | grep 3658 \u67e5\u770b\u6307\u5b9a\u57e0\u4f54\u7528\u9032\u7a0b<\/p>\n\n\n\n
File
du -h \u2013max-depth=1 * \u67e5\u770b\u7576\u524d\u8def\u5f91\u4e0b\u5404\u500b\u6a94\u5927\u5c0f
du -h * \u5217\u51fa\u7576\u524d\u6bcf\u500b\u8cc7\u6599\u593e\u5927\u5c0f
Find \/ -name \u2018filename\u2019 \/\u76ee\u9304\u4e0b\u641c\u7d22\u6307\u5b9a\u6a94\u8def\u5f91
sed -n \u20181021960,1023960p\u2019 info.log \u67e5\u770b\u6307\u5b9a\u884c\u7bc4\u570d\u7684\u8cc7\u8a0a
cat info.log |grep -n -A10 -B200 \u201ce15227019222@163.com\u201d
\u67e5\u770b\u6307\u5b9a\u8cc7\u8a0a\u51fa\u73fe\u7684 \u4e0a\u4e0b\u591a\u5c11\u884c
netstat -n | awk \u2018\/^tcp\/ {++state[$NF]} END {for(key in state) print key,”\\t”,state[key]}\u2019
\u67e5\u770btcpip\u9023\u63a5\u6578<\/p>\n\n\n\n
Occupy
ps aux | head -1;ps aux |grep -v PID |sort -rn -k +4 | head -30
\u4f7f\u7528ps\u547d\u4ee4\u627e\u51fa\u4f54\u7528\u8a18\u61b6\u9ad4\u8cc7\u6e90\u6700\u591a\u768430\u500b\u9032\u7a0b
ps -eo pmem,pcpu,rss,vsize,args | sort -k 1 -n -r | less
\u67e5\u770b\u9032\u7a0b\u4f54\u7528\u7684\u5be6\u969b\u5be6\u9ad4\u8a18\u61b6\u9ad4\uff08\u5f9e\u5927\u5230\u5c0f\uff09
pmap -x 32462 \u67e5\u770b\u5177\u9ad4\u9032\u7a0b\u4e0b\u8a73\u7d30\u7684\u8a18\u61b6\u9ad4\u4f7f\u7528\u60c5\u6cc1
jmap -dump:format=b,file=\/app\/fkex\/dump\/dump.out 32227 \u6307\u5b9a\u9032\u7a0b\u751f\u6210dump\u5806\u8cc7\u8a0a<\/p>\n\n\n\n
Performance
CPU\u4f54\u7528\u6700\u591a\u7684\u524d10\u500b\u9032\u7a0b ps auxw|head -1;ps auxw|sort -rn -k3|head -10
\u8a18\u61b6\u9ad4\u6d88\u8017\u6700\u591a\u7684\u524d10\u500b\u9032\u7a0b ps auxw|head -1;ps auxw|sort -rn -k4|head -10
\u865b\u64ec\u8a18\u61b6\u9ad4\u4f7f\u7528\u6700\u591a\u7684\u524d10\u500b\u9032\u7a0b ps auxw|head -1;ps auxw|sort -rn -k5|head -10<\/p>\n\n\n\n
%MEM \u9032\u7a0b\u7684\u8a18\u61b6\u9ad4\u4f54\u7528\u7387
MAJFL is the major page fault count,
VSZ \u9032\u7a0b\u6240\u4f7f\u7528\u7684\u865b\u5b58\u7684\u5927\u5c0f
RSS \u9032\u7a0b\u4f7f\u7528\u7684\u99d0\u7559\u96c6\u5927\u5c0f\u6216\u8005\u662f\u5be6\u969b\u8a18\u61b6\u9ad4\u7684\u5927\u5c0f
(RSS is the \u201cresident set size\u201d meaning physical memory used)
TTY \u8207\u9032\u7a0b\u95dc\u806f\u7684\u7d42\u7aef\uff08tty\uff09<\/p>\n\n\n\n
View broadband
\u5b89\u88dd\u5916\u639b\u7a0b\u5f0f\uff1ayum install libpcap nethogs
\u57f7\u884c\u547d\u4ee4\uff1anethogs<\/p>\n","protected":false},"excerpt":{"rendered":"
Nginx\/usr\/local\/nginx\/sbin\/nginx -s reload\u00a0\u00a0 \u91cd\u555fnginx\/us …<\/p>\n