使用ubuntu apt 安裝jenkins 預設的端口是8080
此端口和tomcat的端口一般會有沖突，tomcat的端口一般就不太會改。
我們就來改一下jenkins的端口來解決這個問題。
一般我們apt 安裝的服務 都會再/etc/init.d/下有啟動檔案。
找到/etc/init.d/jenkins
查找得知以下常用的資訊：
pid:/var/run/jenkins/jenkins.pid
啟動一般是守護的
預設配置檔案在/etc/default/jenkins下
預設語言檔案：/etc/default/locale
端口的更改可以再/etc/default/jenkins裡找到8080 更改成你想設定的那個。
然後重新開機服務
sudo service jenkins restart
即可。
而jenkins的語言設定是根據/etc/default/locale
你可以在此檔案 或者 啟動腳本裡更改此選項 來更換語言顯示;建議改腳本而不是改locale ,因為更改locale會影響ubuntu的系統顯示
更友善的修改顯示語言的方法是浏覽器中設定浏覽器的語言顯示，這樣jenkins的web也會根據此設定來顯示具體的語言，不再示範。
貼出jenkins腳本：
#!/bin/bash
# /etc/init.d/jenkins
# debian-compatible jenkins startup script.
# Amelia A Lewis <[email protected]>
#
### BEGIN INIT INFO
# Provides: jenkins
# Required-Start: $remote_fs $syslog $network
# Required-Stop: $remote_fs $syslog $network
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Start Jenkins at boot time
# Description: Controls Jenkins Continuous Integration Server
### END INIT INFO
PATH=/bin:/usr/bin:/sbin:/usr/sbin
DESC="Jenkins Continuous Integration Server"
NAME=jenkins
SCRIPTNAME=/etc/init.d/$NAME
[ -r /etc/default/$NAME ] && . /etc/default/$NAME
#DAEMON=$JENKINS_SH
DAEMON=/usr/bin/daemon
DAEMON_ARGS="--name=$NAME --inherit --env=JENKINS_HOME=$JENKINS_HOME --output=$JENKINS_LOG --pidfile=$PIDFILE"
if [ -n "$UMASK" ]; then
DAEMON_ARGS="$DAEMON_ARGS --umask=$UMASK"
fi
SU=/bin/su
# Exit if the package is not installed
if [ ! -x "$DAEMON" ]; then
echo "daemon package not installed" >&2
exit 1
fi
# Exit if not supposed to run standalone
if [ "$RUN_STANDALONE" = "false" ]; then
echo "Not configured to run standalone" >&2
exit 1
fi
# load environments
if [ -r /etc/default/locale ]; then
. /etc/default/locale
export LANG LANGUAGE
elif [ -r /etc/environment ]; then
. /etc/environment
export LANG LANGUAGE
fi
# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions
# Make sure we run as root, since setting the max open files through
# ulimit requires root access
if [ `id -u` -ne 0 ]; then
echo "The $NAME init script can only be run as root"
exit 1
fi
check_tcp_port() {
local service=$1
local assigned=$2
local default=$3
if [ -n "$assigned" ]; then
port=$assigned
else
port=$default
fi
count=`netstat --listen --numeric-ports | grep \:$port[[:space:]] | grep -c . `
if [ $count -ne 0 ]; then
echo "The selected $service port ($port) seems to be in use by another program "
echo "Please select another port to use for $NAME"
return 1
fi
}
#
# 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" "8080" || return 2
# 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 $MAXOPENFILES
fi
# notify of explicit umask
if [ -n "$UMASK" ]; then
[ "$VERBOSE" != no ] && echo Setting umask to $UMASK
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
}
#
# Verify that all jenkins processes have been shutdown
# and if not, then do killall for them
#
get_running()
{
return `ps -U $JENKINS_USER --no-headers -f | egrep -e '(java|daemon)' | grep -c . `
}
force_stop()
{
get_running
if [ $? -ne 0 ]; then
killall -u $JENKINS_USER java daemon || return 3
fi
}
# Get the status of the daemon process
get_daemon_status()
{
$DAEMON $DAEMON_ARGS --running || return 1
}
#
# Function that stops the daemon/service
#
do_stop()
{
# Return
# 0 if daemon has been stopped
# 1 if daemon was already stopped
# 2 if daemon could not be stopped
# other if a failure occurred
get_daemon_status
case "$?" in
0)
$DAEMON $DAEMON_ARGS --stop || return 2
# wait for the process to really terminate
for n in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
sleep 1
$DAEMON $DAEMON_ARGS --running || break
done
if get_daemon_status; then
force_stop || return 3
fi
;;
*)
force_stop || return 3
;;
esac
# Many daemons don't delete their pidfiles when they exit.
rm -f $PIDFILE
return 0
}
# Verify the process did in fact start successfully and didn't just bomb out
do_check_started_ok() {
sleep 1
if [ "$1" -ne "0" ]; then return $1; fi
get_running
if [ "$?" -eq "0" ]; then
return 2
else
return 0
fi
}
case "$1" in
start)
log_daemon_msg "Starting $DESC" "$NAME"
do_start
START_STATUS="$?"
do_check_started_ok "$START_STATUS"
case "$?" in
0|1) log_end_msg 0 ;;
2) log_end_msg 1 ; exit 7 ;;
esac
;;
stop)
log_daemon_msg "Stopping $DESC" "$NAME"
do_stop
case "$?" in
0|1) log_end_msg 0 ;;
2) log_end_msg 1 ; exit 100 ;;
esac
;;
restart|force-reload)
#
# If the "reload" option is implemented then remove the
# 'force-reload' alias
#
log_daemon_msg "Restarting $DESC" "$NAME"
do_stop
case "$?" in
0|1)
do_start
START_STATUS="$?"
sleep 1
do_check_started_ok "$START_STATUS"
case "$?" in
0) log_end_msg 0 ;;
1) log_end_msg 1 ; exit 100 ;; # Old process is still running
*) log_end_msg 1 ; exit 100 ;; # Failed to start
esac
;;
*)
# Failed to stop
log_end_msg 1
;;
esac
;;
status)
get_daemon_status
case "$?" in
0)
echo "$DESC is running with the pid `cat $PIDFILE`"
rc=0
;;
*)
get_running
procs=$?
if [ $procs -eq 0 ]; then
echo -n "$DESC is not running"
if [ -f $PIDFILE ]; then
echo ", but the pidfile ($PIDFILE) still exists"
rc=1
else
echo
rc=3
fi
else
echo "$procs instances of jenkins are running at the moment"
echo "but the pidfile $PIDFILE is missing"
rc=0
fi
exit $rc
;;
esac
;;
*)
echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
exit 3
;;
esac
exit 0
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