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创建 X11VNC 服务器启动脚本在启动时未成功（手动启动有效）

tag-icon • tag-icon debian vnc init-script init.d
创建 X11VNC 服务器启动脚本在启动时未成功（手动启动有效）

我已经安装了 X11VNC 并在终端中正在运行的系统（正在运行 X 和 XFCE）上启动它确实可以工作。我为此编写了一个启动脚本（使用 /etc/init.d/sculpture 中的骨架）。启动后在终端中运行该脚本

service x11vnc start

实际上启动了服务器。尽管由于某种原因该进程不在后台运行，因此我无法再使用终端。

但主要问题是：服务器在启动时启动，我不太知道从哪里开始寻找错误，并且我不确定（如果有的话）在哪里可以找到显示错误的日志文件。

#! /bin/sh
### BEGIN INIT INFO
# Provides:          x11vnc server
# Required-Start:    lightdm
# Required-Stop:     
# Default-Start:     5
# Default-Stop:      0 1 2 6
# Short-Description: 
# Description:       Start VNC Server
### END INIT INFO

#
# Please remove the "Author" lines above and replace them
# with your own name if you copy and modify this script.

# Do NOT "set -e"

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Start VNC Server"
NAME=x11vnc
PASSWD=/etc/x11vnc.pass
LOGFILE=/var/log/x11vnc.log
DAEMON=/usr/bin/$NAME
DAEMON_ARGS="-display :0 -auth /var/run/lightdm/root/:0 -rfbauth /etc/x11vnc.pass"
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions

#
# Function that starts the daemon/service
#
do_start()
{
    # Return
    #   0 if daemon has been started
    #   1 if daemon was already running
    #   2 if daemon could not be started
    start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test> /dev/null \
        || return 1
    start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- $DAEMON_ARGS \
        || return 2
    # Add code here, if necessary, that waits for the process to be ready
    # to handle requests from services started subsequently which depend
    # on this one.  As a last resort, sleep for some time.
}

#
# 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
    start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
    RETVAL="$?"
    [ "$RETVAL" = 2 ] && return 2
    # Wait for children to finish too if this is a daemon that forks
    # and if the daemon is only ever run from this initscript.
    # If the above conditions are not satisfied then add some other code
    # that waits for the process to drop all resources that could be
    # needed by services started subsequently.  A last resort is to
    # sleep for some time.
    start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
    [ "$?" = 2 ] && return 2
    # Many daemons don't delete their pidfiles when they exit.
    rm -f $PIDFILE
    return "$RETVAL"
}

#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
    #
    # If the daemon can reload its configuration without
    # restarting (for example, when it is sent a SIGHUP),
    # then implement that here.
    #
    start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
    return 0
}

case "$1" in
  start)
    [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
    do_start
    case "$?" in
        0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
        2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
    esac
    ;;
  stop)
    [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
    do_stop
    case "$?" in
        0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
        2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
    esac
    ;;
  status)
    status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
    ;;
  #reload|force-reload)
    #
    # If do_reload() is not implemented then leave this commented out
    # and leave 'force-reload' as an alias for 'restart'.
    #
    #log_daemon_msg "Reloading $DESC" "$NAME"
    #do_reload
    #log_end_msg $?
    #;;
  restart|force-reload)
    #
    # If the "reload" option is implemented then remove the
    # 'force-reload' alias
    #
    log_daemon_msg "Restarting $DESC" "$NAME"
    do_stop
    case "$?" in
      0|1)
        do_start
        case "$?" in
            0) log_end_msg 0 ;;
            1) log_end_msg 1 ;; # Old process is still running
            *) log_end_msg 1 ;; # Failed to start
        esac
        ;;
      *)
        # Failed to stop
        log_end_msg 1
        ;;
    esac
    ;;
  *)
    #echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
    echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
    exit 3
    ;;
esac

跑步update-rc.d x11vnc defaults没有帮助。还在ls /etc/rc?.d/几个文件中显示了我的脚本。

但我得到以下信息

$ insserv -n x11vnc
insserv: dryrun, not creating .depend.boot, .depend.start, and .depend.stop
$ insserv x11vnc # returnes no errors

答案1

经过长时间的查找，我终于找到了解决方案。

使用xinetd。我再次删除了初始化脚本/etc/init.d/并执行了以下操作。

  • apt-get install xinetd
  • 将内容创建到文件中/etc/xinetd.d/x11vnc

service x11vnc { type = UNLISTED disable = no socket_type = stream protocol = tcp wait = no user = root server = /usr/bin/x11vnc server_args = -inetd -o /var/log/x11vnc.log -display :0 -forever -bg -rfbauth /etc/vncpasswd -shared -enablehttpproxy -forever -nolookup -auth /var/run/lightdm/root/:0 port = 5900 }

  • chmod a+x x11vnc
  • 重新启动，它就可以工作了。

该标志-auth取决于您的登录管理器。如果您需要找出标志应该指向您的位置，请使用：ps wwaux | grep auth。这将打印路径。

找到解决方案这里。

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