Differences

This shows you the differences between two versions of the page.

--- tutorial:adm:server_preparation_tmp [2020/07/24 08:51]
fiserp [Tomcat]
+++ tutorial:adm:server_preparation_tmp [2020/07/24 09:09]
fiserp [Start Tomcat automatically after system startup]
@@ Line 203: / Line 203: @@
 dnf install -y java-11-openjdk-headless java-11-openjdk-devel
 </code>
-Then create the file ''/etc/profile.d/java.sh'' with following:
-<file bash java.sh>
-[ -d /usr/lib/jvm/java-openjdk ] && export JAVA_HOME=/usr/lib/jvm/java-openjdk
-</file>
@@ Line 218: / Line 213: @@
 useradd -r -s /usr/sbin/nologin -g tomcat -d /opt/tomcat tomcat
 getent passwd tomcat
-#tomcat:x:995:993::/opt/tomcat:/bin/nologin
+#tomcat:x:995:993::/opt/tomcat:/usr/sbin/nologin
 </code>
@@ Line 273: / Line 268: @@
 [Unit]
 Description=Apache Tomcat Web Application Container
-After=syslog.target network.target
+After=syslog.target network.target postgresql.service
 [Service]
@@ Line 296: / Line 291: @@
 WantedBy=multi-user.target
 </file>
+<note>
+  * Values of ''-Xms'' and ''-Xmx'' se are closely dependent on server sizing. If you have enough memory, we strongly recommend to use ''-Xmx 6128M'' or more.
+  * Tomcat will be started under user ''tomcat:tomcat''.
+</note>
-  * Values of Xms a Xmx se are closely dependent on server sizing. If you have enough memory it is strongly advised to use Xmx 6128M or more.
+  * Reload systemd configuration:
-  * Tomcat will be started under user ''tomcat:tomcat'' a will use java installed in ''/usr/lib/jvm/java-1.8.0-openjdk''.
-  * After every systemd configuration change it is necessary to reload:
 <code>
 systemctl daemon-reload
 </code>
-  * Test start:
+  * Start the Tomcat to ensure it is configured properly. Enable its start on OS start.
 <code>
 systemctl start tomcat
+systemctl enable tomcat
 </code>
   * Check that Tomcat runs with desirable parameters:
 <code bash>
-[root@tomcat1 logs]# ps -u tomcat -fwww
+[root@tomcat1 logs]# ps -ef | grep ^tomcat
-UID        PID  PPID  C STIME TTY          TIME CMD
+tomcat      1623       1  9 11:08 ?        00:00:04 /usr/lib/jvm/java-openjdk/bin/java -Djava.util.logging.config.file=/opt/tomcat/current/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.awt.headless=true -Djava.security.egd=file:/dev/./urandom -Dorg.apache.tomcat.util.buf.UDecoder.ALLOW_ENCODED_SLASH=true -Djavax.servlet.request.encoding=UTF-8 -Djdk.tls.ephemeralDHKeySize=2048 -Djava.protocol.handler.pkgs=org.apache.catalina.webresources -Dorg.apache.catalina.security.SecurityListener.UMASK=0027 -Xms512M -Xmx1024M -server -XX:+UseParallelGC -Dignore.endorsed.dirs= -classpath /opt/tomcat/current/bin/bootstrap.jar:/opt/tomcat/current/bin/tomcat-juli.jar -Dcatalina.base=/opt/tomcat/current -Dcatalina.home=/opt/tomcat/current -Djava.io.tmpdir=/opt/tomcat/current/temp org.apache.catalina.startup.Bootstrap start
-tomcat    1602     1  1 09:44 ?        00:00:02 /usr/lib/jvm/java-openjdk/bin/java -Djava.util.logging.config.file=/opt/tomcat/current/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.awt.headless=true -Djava.security.egd=file:/dev/./urandom -Dorg.apache.tomcat.util.buf.UDecoder.ALLOW_ENCODED_SLASH=true -Djavax.servlet.request.encoding=UTF-8 -Djdk.tls.ephemeralDHKeySize=2048 -Djava.protocol.handler.pkgs=org.apache.catalina.webresources -Xms512M -Xmx1024M -server -XX:+UseParallelGC -classpath /opt/tomcat/current/bin/bootstrap.jar:/opt/tomcat/current/bin/tomcat-juli.jar -Dcatalina.base=/opt/tomcat/current -Dcatalina.home=/opt/tomcat/current -Djava.io.tmpdir=/opt/tomcat/current/temp org.apache.catalina.startup.Bootstrap start
 </code>
-  * Stop Apache Tomcat:
+  * Stop the Tomcat.
 <code>
 systemctl stop tomcat
-</code>
-  * Enable tomcat start after OS start:
-<code bash>
-systemctl enable tomcat
 </code>