linxu 解压war包

unzip -oq jenkins2.164.war -d jenkins

查询所有的软连接

find ./ -lname v1.txt

查询全部服务

systemctl list-unit-files

服务文件放置的位置

/lib/systemd/system/

查看 开机启动状态

systemctl status rc-local.service

nohup

nohup ./program >/dev/null 2>&1 &;

netstat命令

http://man.linuxde.net/netstat

curl

curl -H "Accept:application/json" -H "Content-type:application/json"  -X POST --data '{"uuid":"7f74656ef47b421e9e3099de99bb8ace","taskNodeId":"7904948","flowConfId":"243","flowType":1,"data":{"action":0,"flowType":1,"ingoreSize":0}}' http://172.30.9.162:10181/icapi/system/pushresult

缓存清理

echo 3 > /proc/sys/vm/drop_caches

程序最大线程

cat /proc/8106/status
ps hH p 8106|wc -l
centos7系统最大线程
ulimit -a

磁盘读写查询

iostat -x 1 10

查询性能消耗前几进程

ps aux|head -1; ps aux | sort -k4nr | head -5