Bash commands to create user for tomcat service in Unix

TomcatUser.sh

#Create group and user
groupadd tomcat
useradd -r -m -d ${USR_TOMCAT_HOME_DIR} -s /bin/false tomcat -g tomcat

# In debian distro you can use this alternative
useradd -r -m -d ${USR_TOMCAT_HOME_DIR} -s /sbin/nologin tomcat -g tomcat

#set user password
passwd tomcat

#Change folder privilegies
chown -R tomcat.tomcat /path/to/tomcat
chmod 775 /path/to/tomcat/webapps

#start or stop server
sudo -u tomcat /opt/tomcat/bin/startup.sh
sudo -u tomcat /opt/tomcat/bin/shutdown.sh

#if you have normal or admin user you need these commands:
su - tomcat -c /opt/tomcat/bin/startup.sh
su - tomcat -c /opt/tomcat/bin/shutdown.sh