2021-09-07快速获取进程ID的命令-宽窄表

宽表和窄表

简单快速获取进程ID的命令

pgrep -f processname
pkill -f processname #杀掉进程

[dolphinscheduler@host1 ~]$ jps
1705 Jps
1692 AlertServer
[dolphinscheduler@host1 ~]$ 
[dolphinscheduler@host1 ~]$ ps -ef|grep AlertServer
dolphin+  1692     1 62 10:31 pts/1    00:00:09 /usr/local/java/jdk1.8.0_151/bin/java -Dlogback.configurationFile=conf/logback-alert.xml -Xms1g -Xmx1g -Xmn512m -server -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=128m -Xss512k -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:LargePageSizeInBytes=128m -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70 -XX:+PrintGCDetails -Xloggc:/home/dolphinscheduler/app/dolphinscheduler/logs/gc.log -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=dump.hprof -XshowSettings:vm -classpath /home/dolphinscheduler/app/dolphinscheduler/conf:/home/dolphinscheduler/app/dolphinscheduler/lib/* org.apache.dolphinscheduler.alert.AlertServer
dolphin+  1718  1591  0 10:31 pts/1    00:00:00 grep --color=auto AlertServer
[dolphinscheduler@host1 ~]$ 
[dolphinscheduler@host1 ~]$ pgrep -f AlertServer
1692
[dolphinscheduler@host1 ~]$ pkill -f AlertServer
[dolphinscheduler@host1 ~]$ 
[dolphinscheduler@host1 ~]$ ps -ef|grep AlertServer
dolphin+  1733  1591  0 10:32 pts/1    00:00:00 grep --color=auto AlertServer
[dolphinscheduler@host1 ~]$ 
[dolphinscheduler@host1 ~]$ jps
1734 Jps
[dolphinscheduler@host1 ~]$ 

获取session

HttpSession   session   =   request.getSession();