How to view Tomcat running status under Linux to determine if it starts

1. View the Tomcat boot log. ${catalina_home}\logs

[Email protected] logs]# tail-f catalina.out
Sep 11:50:00 AM org.apache.catalina.startup.HostConfig checkresources
info:undeploying context [/examples]
Sep 11:50:00 AM org.apache.catalina.startup.HostConfig deploydirectory
Info:deploying Web application directory Examples-bak
Sep 11:50:00 AM org.apache.catalina.startup.HostConfig deploydirectory
Info:deploying Web application directory Docs-bak
Sep 11:50:33 AM org.apache.catalina.startup.HostConfig checkresources
info:undeploying context []
Sep 11:50:34 AM org.apache.catalina.startup.HostConfig deploydirectory
Info:deploying Web application directory Root-bak

Jfinal Action Report--------2015-09-10 12:02:46------------------------------
Controller:demo. Hellocontroller. (hellocontroller.java:1)
Method:index
--------------------------------------------------------------------------------

2, using the Tomcat Default management tool (if used)
${web_location}/manager/html

3,netstat look at the port of the Tomcat service to see if Tomcat is started.

[Email protected] bin]# Netstat-na | grep 80
TCP 0 0 0.0.0.0:80 0.0.0.0:* LISTEN
TCP 0 0 127.0.0.1:8005 0.0.0.0:* LISTEN
TCP 0 0 0.0.0.0:8009 0.0.0.0:* LISTEN
TCP 0 0 101.200.90.203:50137 140.205.140.205:80 established

Note: View Tomcat's environment variables

[Email protected] bin]#./catalina.sh
Using catalina_base:/usr/local/tomcat/apache-tomcat-6.0.44
Using Catalina_home:/usr/local/tomcat/apache-tomcat-6.0.44
Using Catalina_tmpdir:/usr/local/tomcat/apache-tomcat-6.0.44/temp
Using Jre_home:/usr/local/java/jdk1.7.0_79/jre
Using CLASSPATH:/usr/local/tomcat/apache-tomcat-6.0.44/bin/bootstrap.jar
Usage:catalina.sh (Commands ...)
Commands
Debug Start Catalina in a debugger
Debug-security Debug Catalina with a security manager
JPDA start start Catalina under JPDA debugger
Run Start Catalina in the current window
Run-security Start in the current window with security Manager
Start start Catalina in a separate window
Start-security Start in a separate windows with Security Manager
Stop Stop Catalina, waiting up to 5 seconds for the process to end
Stop n Stop Catalina, waiting up to n seconds for the process to end
Stop-force Stop Catalina, wait up to 5 seconds and then use Kill-kill if still running
Stop N-force stop Catalina, wait up to n seconds and then use Kill-kill if still running
Version what version of Tomcat is you running?
Note:waiting for the process-to-end and use of the-force option require-$CATALINA _pid is defined

How to view Tomcat running status under Linux to determine if it starts