107 lines
1.8 KiB
Bash
Executable file
107 lines
1.8 KiB
Bash
Executable file
#!/bin/bash
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# cd to the local VNC directory, exit if it fails
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cd "${HOME}/.vnc" || exit 5
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# Variable
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verbs="start status stop restart help"
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# echo bold text
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echobf() {
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printf '\033[1m%s\033[0m\n' "$*"
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}
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# Print an error message
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print_error() {
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(
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printf '\033[1;31m%s\033[0m ' "ERROR:"
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echobf "$*"
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) > /dev/stderr
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}
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# Print an error and exit
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error() {
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print_error "$1"
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shift
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exit "$1"
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}
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# Check if the VNC server is running
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is_running() {
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vncserver -list | grep -q '^:1'
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}
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# Show a help message
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public_help() {
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local name
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name="$(basename "$0")"
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cat << EOF
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${name} - Start a VNC server
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Usage:
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${name} ${verbs// /|}
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EOF
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}
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# Show the same help with an error
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error_help() {
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print_error "Invalid usage"
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>&2 public_help
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return 1
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}
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# Start the VNC server
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public_start() {
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if ! is_running; then
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set -e
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vncserver \
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-xstartup ./xstartup \
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-localhost \
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-alwaysshared \
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-securitytypes none \
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-nocursor \
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-geometry 1600x900
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else
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error "The VNC server is already running!" 4
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fi
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}
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# Check if the server is running
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public_status() {
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if is_running; then
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echobf "The VNC server is running."
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tail "./$(cat /proc/sys/kernel/hostname):1.log" | sed 's/^/\t/g'
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else
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echobf "The VNC server is not running."
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fi
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}
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# Stop the VNC server
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public_stop() {
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if is_running; then
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vncserver -kill :1
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else
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error "The VNC server is not running!" 3
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fi
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}
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# Restart the VNC server
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public_restart() {
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public_stop
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public_start
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}
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# Parse argument
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if [ -n "$1" ]; then
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arg="$1"
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else
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arg=status
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fi
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# Main switch
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if echo "$verbs" | tr ' ' '\n' | grep -q "$arg"; then
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"public_${arg}"
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else
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error_help
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fi
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