리눅스·Apache·Tomcat·Java 버전 확인

Apache

httpd -v
# Server version: Apache/x.x.x

Tomcat

$CATALINA_HOME/bin/version.sh
# 또는
$CATALINA_HOME/bin/catalina.sh version
cat $CATALINA_HOME/RELEASE-NOTES | head

# 마이너까지
cd $CATALINA_HOME/lib
jar xf catalina.jar org/apache/catalina/util/ServerInfo.properties
grep number org/apache/catalina/util/ServerInfo.properties

Java

java -version

OS

cat /etc/redhat-release
cat /proc/version
uname -a

mod_jk

strings apache/modules/mod_jk.so | grep mod_jk/