如何配置Jenkins在端口80上运行 [英] How to configure Jenkins to run on port 80

问题描述

我正在运行Ubuntu 11.10并运行 sudo apt-get install jenkins 在此系统上安装Jenkins。

我已经看到一些关于如何设置逆向代理（Apache，Nginx等）的教程，但是这是一个专门用于jenkins的虚拟机，我想保持它尽可能瘦，同时让jenkins在端口上运行80。

我在 /etc/init/jenkins.conf 中找到了upstart配置，到80 env HTTP_PORT = 80

当我通过启动jenkins时jenkins start ， ps 显示它运行了几秒钟，然后终止。

这是因为jenkins是作为 jenkins 用户在特权端口上运行吗？如果是这样，我如何解决这个问题？欢迎任何其他想法。

以下是upstart配置：

  descriptionjenkins：Jenkins Continuous Integration Server
 authorJames Page< [e-mail]> 
 
 start on（local-filesystems and net-device-up IFACE！= lo）
 stop on runlevel [！2345] 
 
 env USER =jenkins 
 env GROUP =jenkins
 env JENKINS_LOG =/ var / log / jenkins
 env JENKINS_ROOT =/ usr / share / jenkins
 env JENKINS_HOME =/ var / lib / jenkins
 env JENKINS_RUN =/ var / run / jenkins
 env HTTP_PORT = 80 
 env AJP_PORT = -1 
 env JAVA_OPTS =
 env JAVA_HOME =/ usr / lib / jvm / default-java
 
限制nofile 8192 8192 
 
预启动脚本
 test -f $ JENKINS_ROOT / jenkins .war || { 停止 ; exit 0; } 
 $ JENKINS_ROOT / bin / maintain-plugins.sh 
 mkdir $ JENKINS_RUN> / dev / null 2>& 1 || true 
 chown -R $ USER：$ GROUP $ JENKINS_RUN || true 
 end script 
 
 script 
 JENKINS_ARGS = -  webroot = $ JENKINS_RUN / war --httpPort = $ HTTP_PORT --ajp13Port = $ AJP_PORT
 exec守护进程--name = jenkins --inherit --output = $ JENKINS_LOG / jenkins.log --user = $ USER \ 
  -  $ JAVA_HOME / bin / java $ JAVA_OPTS -jar $ JENKINS_ROOT / jenkins.war $ JENKINS_ARGS \ 
 --preferredClassLoader = java.net.URLClassLoader 
 end script 
  

解决方案

尝试 authbind '：

  sudo apt-get install authbind 
 sudo touch / etc / authbind / byport / 80 
 sudo chmod 500 / etc / authbind / byport / 80 
 sudo chown jenkins / etc / authbind / byport / 80 
  

然后修改上面的脚本（在 $ JAVA_HOME / bin / java 部分之前添加 authbind ）：

  exec daemon --name = jenkins --inherit --output = $ JENKINS_LOG / jenkins.log \ 
 --user = $ USER  -  authbind $ JAVA_HOME / bin / java $ JAVA_OPTS \ 
 -jar $ JENKINS_ROOT / jenkins.war $ JENKINS_ARGS \ 
 --preferredClassLoader = java.net.URLClassLoader 
 

对于较新的Jenkins安装（1.598）在较新的Ubuntu安装（14.04），请编辑 / etc /init.d/jenkins 并在 $ JAVA

$之前添加 authbind b
$ b

  $ SU -l $ JENKINS_USER --shell = / bin / bash -c$ DAEMON $ DAEMON_ARGS  -  authbind $ JAVA $ JAVA_ARGS -jar $ JENKINS_WAR $ JENKINS_ARGS|| return 2 
  

如 Alan （见下面的注释）如果你需要IPv6和你的系统低于Quantal你可以使用 apt-get 安装 authbind 下载更高版本。
确保您已安装 libc6 和 libc6-udeb 。这是来自Ubuntu的 authbind 版本2.1.1：

• amd64


• i386

然后执行：

  sudo dpkg -i authbind_2.1.1_amd64.deb 
＃或sudo dpkg -i authbind_2.1.1_i386.deb 
 
 sudo touch / etc / authbind / byport / 80 
 sudo chmod 500 / etc / authbind / byport / 80 
 sudo chown jenkins / etc / authbind / byport / 80 
  

I'm running Ubuntu 11.10 and have run sudo apt-get install jenkins to install Jenkins on this system.

I've seen some tutorials on how to setup a reverse proxy (Apache, Nginx, etc), however this is a VM dedicated for just jenkins and I'd like keep it as lean as possible while having jenkins running on port 80.

I've found the upstart config in /etc/init/jenkins.conf and modified the port to 80 env HTTP_PORT=80

When I start jenkins via service jenkins start, ps reveals that it runs for a few seconds then terminates.

Is this because jenkins is running as the jenkins user on a privileged port? If so, how do I fix this? Any other ideas a welcome.

Here is the upstart config:

description "jenkins: Jenkins Continuous Integration Server"
author "James Page <[e-mail]>"

start on (local-filesystems and net-device-up IFACE!=lo)
stop on runlevel [!2345]

env USER="jenkins"
env GROUP="jenkins"
env JENKINS_LOG="/var/log/jenkins"
env JENKINS_ROOT="/usr/share/jenkins"
env JENKINS_HOME="/var/lib/jenkins"
env JENKINS_RUN="/var/run/jenkins"
env HTTP_PORT=80
env AJP_PORT=-1
env JAVA_OPTS=""
env JAVA_HOME="/usr/lib/jvm/default-java"

limit nofile 8192 8192

pre-start script
    test -f $JENKINS_ROOT/jenkins.war || { stop ; exit 0; }
    $JENKINS_ROOT/bin/maintain-plugins.sh   
    mkdir $JENKINS_RUN > /dev/null 2>&1  || true
    chown -R $USER:$GROUP $JENKINS_RUN || true
end script

script
    JENKINS_ARGS="--webroot=$JENKINS_RUN/war --httpPort=$HTTP_PORT --ajp13Port=$AJP_PORT"
    exec daemon --name=jenkins --inherit --output=$JENKINS_LOG/jenkins.log --user=$USER \
        -- $JAVA_HOME/bin/java $JAVA_OPTS -jar $JENKINS_ROOT/jenkins.war $JENKINS_ARGS \
        --preferredClassLoader=java.net.URLClassLoader
end script

解决方案

Give a try to 'authbind':

sudo apt-get install authbind
sudo touch /etc/authbind/byport/80
sudo chmod 500 /etc/authbind/byport/80 
sudo chown jenkins /etc/authbind/byport/80

Then modify the script above to have (add authbind before the $JAVA_HOME/bin/java part):

exec daemon --name=jenkins --inherit --output=$JENKINS_LOG/jenkins.log \
--user=$USER -- authbind $JAVA_HOME/bin/java $JAVA_OPTS \
-jar $JENKINS_ROOT/jenkins.war $JENKINS_ARGS \
--preferredClassLoader=java.net.URLClassLoader

For newer Jenkins installations (1.598) on newer Ubuntu installations (14.04) edit /etc/init.d/jenkins and add authbind before $JAVA

$SU -l $JENKINS_USER --shell=/bin/bash -c "$DAEMON $DAEMON_ARGS -- authbind $JAVA $JAVA_ARGS -jar $JENKINS_WAR $JENKINS_ARGS" || return 2

As mentioned by Alan (see comment below) if you need IPv6 and your system is lower than Quantal you can instead of using apt-get to install authbind download a higher version. Make sure you have libc6 and libc6-udeb installed. Here is authbind version 2.1.1 from Ubuntu:

• amd64
• i386

Then execute:

sudo dpkg -i authbind_2.1.1_amd64.deb
# or sudo dpkg -i authbind_2.1.1_i386.deb

sudo touch /etc/authbind/byport/80
sudo chmod 500 /etc/authbind/byport/80 
sudo chown jenkins /etc/authbind/byport/80

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