[转] 修改Ubuntu下的jenkins端口号
修改Ubuntu下的jenkins端口号安装Jenkins到Ubuntu server推荐采用官方文档描述的方法：
http://pkg.jenkins-ci.org/debian/
很快就可以使用了。而且这种方法能够方便的升级到最新版本。不过端口号是8080，我的另一个程序用到了8080，怎么修改呢？
网上一些方法介绍通过nginx或者apache将80端口映射到8080, 还有人说用iptables, 这都是间接迂回。我就是不想让jenkins占用8080端口。
通过检查/etc/init.d/jenkins脚本，发现其实就需要做两步：
1. 修改do_start函数的check_tcp_port命令，端口号从8080换成8082
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[*]#
[*]# Function that starts the daemon/service
[*]#
[*]do_start()
[*]{
[*] # the default location is /var/run/jenkins/jenkins.pid but the parent directory needs to be created
[*] mkdir `dirname $PIDFILE` > /dev/null 2>&1 || true
[*] chown $JENKINS_USER `dirname $PIDFILE`
[*] # Return
[*] # 0 if daemon has been started
[*] # 1 if daemon was already running
[*] # 2 if daemon could not be started
[*] $DAEMON $DAEMON_ARGS --running && return 1
[*]
[*] # Verify that the jenkins port is not already in use, winstone does not exit
[*] # even for BindException
[*] check_tcp_port "http" "$HTTP_PORT" "8082" || return 1
[*]
[*] # If the var MAXOPENFILES is enabled in /etc/default/jenkins then set the max open files to the
[*] # proper value
[*] if [ -n "$MAXOPENFILES" ]; then
[*] [ "$VERBOSE" != no ] && echo Setting up max open files limit to $MAXOPENFILES
[*] ulimit -n $MAXOPENFILES
[*] fi
[*]
[*] # --user in daemon doesn't prepare environment variables like HOME, USER, LOGNAME or USERNAME,
[*] # so we let su do so for us now
[*] $SU -l $JENKINS_USER --shell=/bin/bash -c "$DAEMON $DAEMON_ARGS -- $JAVA $JAVA_ARGS -jar $JENKINS_WAR $JENKINS_ARGS" || return 2
[*]}
2.修改/etc/default/jenkins文件，将端口8080改成8082
然后重新启动jenkins, 检查一下：
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[*]ps -def | grep java
[*]jenkins 7234 7233 99 11:14 ? 00:00:04 /usr/bin/java -jar /usr/share/jenkins/jenkins.war --webroot=/var/cache/jenkins/war --httpPort=8082 --ajp13Port=-1
修改成功。
原文网址：http://blog.csdn.net/csfreebird/article/details/9033443
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