grep -A 20 " author:哪个没注册啊" /opt/datasvc/logs/catalina.out
chmod -R 777 /opt/tomcat-datasvc/webapps/datasvc/WEB-INF/classes/
tail -f /opt/tomcat-datasvc/logs/catalina.out
tar -cvf file.tar file
tar -xvf file.tar
ps -ef|grep tomcat
kill -9 pid
netstat –apn|grep 56362