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CentOS 7.7 upgrades the Tomcat version with soft links

Shulou Source: shulou.com Published: 2022-06-03 09:57:05 09月21日 Update

1. Install JDK:

# rpm-ivh jdk-8u241-linux-x64.rpm

# java-version

2. Decompress Tomcat 8.5:

# tar-xf apache-tomcat-8.5.50.tar.gz-C / usr/local

# cd / usr/local

# ln-sv apache-tomcat-8.5.50/ tomcat

# ll | grep tomcat

Remarks: option description

(1)-s: soft link

(2)-v: displays the name of each linked file

3. Configure Tomcat environment variables:

# vim / etc/profile.d/tomcat.sh

Export CATALINA_HOME=/usr/local/tomcat

Export PATH=$CATALINA_HOME/bin:$PATH

Export JAVA_HOME=/usr/java/latest

Export JRE_HOME=$JAVA_HOME/jre

#. / etc/profile.d/tomcat.sh

# echo $CATALINA_HOME

# catalina.sh version

4. Decompress Tomcat 9.0:

# tar-xf apache-tomcat-9.0.30.tar.gz-C / usr/local

# cd / usr/local

Modify the soft link:

# ln-snf apache-tomcat-9.0.30/ tomcat

# ll | grep tomcat

Remarks: option description

(1)-s: soft link

(2)-n: if the link name is a symbolic link to a directory, it is treated as a normal file

(3)-f: delete the existing target file

5. View Tomcat environment variables and version information:

# echo $CATALINA_HOME

# version.sh