How to check whether tomcat is running in linux

View method: 1. Use the "cd /installation directory/tomcat/bin" command to enter tomcat's bin directory; 2. Use the "ps -ef|grep java" command to check the service startup status. If the process is displayed ID number, percentage of CPU occupied and other information, it means that tomcat is running.

#The operating environment of this tutorial: linux5.9.8 system, Dell G3 computer.

linux check whether tomcat is running

1. Enter the bin directory of tomcat

cd /你的安装目录/tomcat/bin

2. Check the service startup status

ps -ef|grep java

If the above information appears in the output result, it means it is running. Among them, the first is the user who started the process, the second is the id of the process, and the third is the percentage of CPU occupied. The fourth is the percentage of occupied memory

When using the kill command, you can directly kill the tomcat process

kill -9 7010

Continue to use the command to check whether tomcat has been closed

ps -ef|grep java

If the following message appears , indicating that tomcat has been closed

root 7010 1 0 Oct19 ? 00:30:30 [java]

Extended knowledge:

1. How to check the path of tomcat

find / -name ‘tomcat’

2. How to check tomcat Log

1) Switch to the logs directory of the path where tomcat is located

cd /你的安装目录/tomcat/logs

2) Execute the command to view the log

tail -f catalina.out

Determine how many lines of logs to view

tail -300 catalina.out

3. tail command parsing

format: tail [required parameters][selected parameters][file]

Function: used to display the content at the end of the specified file, without specifying a file , it is processed as input information. Commonly used to view log files.

Required parameters:

• -f Loop reading

• -q Do not display processing information

• -v Display detailed processing information

• -c Number of bytes displayed

• -n< ;Number of lines> Number of lines displayed

• –pid=PID Used with -f to indicate that it will end after the process ID and PID die

• -q, --quiet, --silent Never output the header of the given file name

• -s, --sleep-interval=S Used with -f, it means that in Sleep for S seconds at each repeated interval

Related recommendations: "Linux Video Tutorial"

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