添加 vnc/install_vncserver.sh

2026-08-04 14:27:41 +08:00
parent a60f196d5a
commit 9db409916d
1 changed files with 141 additions and 0 deletions
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+
+📋 复制
+139 行
+#!/usr/bin/env bash
+# Generated by shell-gen (https://github.com/yourname/shell-gen)
+# Generator: VNC 远程桌面 (TigerVNC + 多桌面)
+# Generated at: 2026-08-04 14:12:09
+# OS: Ubuntu / Debian / CentOS / RHEL / Rocky / Alma
+set -euo pipefail
+SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"
+LOG_PREFIX="[VNC 远程桌面 (TigerVNC + 多桌面)]"
+
+log()  { echo "${LOG_PREFIX} $*" ; }
+warn() { echo "${LOG_PREFIX} WARN: $*" >&2 ; }
+die()  { echo "${LOG_PREFIX} ERROR: $*" >&2 ; exit 1 ; }
+
+[ "$(id -u)" -eq 0 ] || die "This script must be run as root. Re-run with sudo."
+
+# ---- detect distro ----
+. /etc/os-release 2>/dev/null || true
+DISTRO_ID="${ID:-unknown}"
+DISTRO_LIKE="${ID_LIKE:-}"
+case "$DISTRO_ID" in
+    ubuntu|debian) PKG="apt-get"; PKG_INSTALL="DEBIAN_FRONTEND=noninteractive apt-get install -y" ;;
+    centos|rhel|rocky|almalinux|ol) PKG="yum"; PKG_INSTALL="yum install -y" ;;
+    fedora) PKG="dnf"; PKG_INSTALL="dnf install -y" ;;
+    *)
+        if echo "$DISTRO_LIKE" | grep -qiE "rhel|centos|fedora"; then
+            PKG="yum"; PKG_INSTALL="yum install -y"
+        elif echo "$DISTRO_LIKE" | grep -qi "debian"; then
+            PKG="apt-get"; PKG_INSTALL="DEBIAN_FRONTEND=noninteractive apt-get install -y"
+        else
+            die "Unsupported distribution: $DISTRO_ID"
+        fi
+        ;;
+esac
+
+log "Detected distro: $DISTRO_ID (package manager: $PKG)"
+
+log "Installing VNC + gnome desktop for user 'wxj' on display :15"
+log "Updating apt cache..."
+apt-get update
+log "Installing gnome desktop + TigerVNC..."
+DEBIAN_FRONTEND=noninteractive apt-get install -y \
+  ubuntu-desktop-minimal \
+  dbus-x11 tigervnc-standalone-server tigervnc-common tigervnc-xorg-extension \
+  xvfb x11vnc x11-utils 2>/dev/null || \
+DEBIAN_FRONTEND=noninteractive apt-get install -y \
+  gnome-session gnome-shell gnome-terminal nautilus metacity \
+  dbus-x11 tigervnc-standalone-server tigervnc-common \
+  xvfb x11vnc x11-utils \
+  xserver-xorg-video-dummy \
+  gnome-shell-extension-desktop-icons-ng gnome-terminal nautilus-extension-gnome-terminal gnome-tweaks
+log "Preparing VNC directory..."
+USER_HOME="$(getent passwd 'wxj' | cut -d: -f6 || echo /root)"
+if [ "$USER_HOME" = "/root" ] && [ "wxj" != "root" ]; then
+    warn "getent passwd wxj returned home=/root; assuming /home/wxj"
+    USER_HOME="/home/wxj"
+fi
+log "User 'wxj' home: $USER_HOME"
+# Ensure user exists (idempotent — useradd exits 9 if user exists)
+# Force login shell = /bin/bash so systemd User= can run xstartup
+id "wxj" >/dev/null 2>&1 || useradd -m -d "$USER_HOME" -s /bin/bash wxj
+CURRENT_HOME="$(getent passwd "wxj" | cut -d: -f6)"
+if [ "$CURRENT_HOME" != "$USER_HOME" ]; then
+    warn "Fixing home for user wxj: $CURRENT_HOME -> $USER_HOME"
+    usermod -d "$USER_HOME" -m "wxj" 2>/dev/null || true
+fi
+CURRENT_SHELL="$(getent passwd "wxj" | cut -d: -f7)"
+if [ "$CURRENT_SHELL" != "/bin/bash" ]; then
+    warn "Fixing shell for user wxj: $CURRENT_SHELL -> /bin/bash"
+    usermod -s /bin/bash "wxj"
+fi
+[ -d /home ] && chmod 755 /home || true
+install -d -o "wxj" -g "wxj" -m 0750 "$USER_HOME"
+install -d -o "wxj" -g "wxj" -m 0700 "$USER_HOME/.vnc"
+
+log "Setting VNC password..."
+PASS='Aa123456'
+printf "%s\n" "$PASS" | vncpasswd -f > "$USER_HOME/.vnc/passwd"
+chmod 600 "$USER_HOME/.vnc/passwd"
+chown "wxj":"wxj" "$USER_HOME/.vnc/passwd"
+
+log "Writing xstartup (gnome via dbus-launch)..."
+cat > "$USER_HOME/.vnc/xstartup" <<'XSTARTUP_EOF'
+#!/bin/sh
+unset SESSION_MANAGER
+unset DBUS_SESSION_BUS_ADDRESS
+export XDG_CURRENT_DESKTOP=ubuntu:GNOME
+export XDG_SESSION_TYPE=x11
+export GNOME_SHELL_SESSION_MODE=ubuntu
+exec dbus-launch --exit-with-session gnome-session
+XSTARTUP_EOF
+chmod +x "$USER_HOME/.vnc/xstartup"
+
+
+log "Writing systemd unit vncserver@.service..."
+cat > /etc/systemd/system/vncserver@.service <<'UNIT_EOF'
+[Unit]
+Description=TigerVNC server on display :%i (gnome)
+After=syslog.target network.target
+
+[Service]
+Type=simple
+User=wxj
+Group=wxj
+WorkingDirectory=__VNC_HOME__
+ExecStartPre=-/usr/bin/vncserver -kill :%i
+ExecStartPre=-/bin/sh -c 'for f in /tmp/.X%i-lock /tmp/.X11-unix/X%i; do [ -e "$f" ] && rm -f "$f"; done; exit 0'
+ExecStart=/usr/bin/vncserver -fg :%i -geometry 1920x1080 -depth 24 -localhost=0
+ExecStop=/usr/bin/vncserver -kill :%i
+
+[Install]
+WantedBy=multi-user.target
+UNIT_EOF
+# Substitute the placeholder with the actual home path
+sed -i "s|__VNC_HOME__|$USER_HOME|" /etc/systemd/system/vncserver@.service
+log "  WorkingDirectory: $(grep ^WorkingDirectory= /etc/systemd/system/vncserver@.service)"
+log "  Unit written. Verifying WorkingDirectory..."
+# Check if display :${display} is already in use
+if ss -xlpn 2>/dev/null | grep -q "/tmp/.X11-unix/X15 "; then
+    EXISTING="$(ss -xlpn 2>/dev/null | grep "/tmp/.X11-unix/X15 " | head -1)"
+    warn "Display :15 is already in use by another X server:"
+    warn "  $EXISTING"
+    warn "This machine likely has a physical desktop on :15."
+    warn "Please use a higher display number (e.g. :3 or :10)."
+    die "Display :15 is occupied. Aborting."
+fi
+log "Cleaning up stale /tmp/.X11-unix sockets (as root)..."
+rm -f /tmp/.X15-lock /tmp/.X11-unix/X15 2>/dev/null || true
+pkill -f "Xvnc.*:15 " 2>/dev/null || true
+pkill -f "Xtigervnc.*:15" 2>/dev/null || true
+systemctl daemon-reload
+systemctl enable vncserver@15.service
+systemctl restart vncserver@15.service
+sleep 2
+systemctl --no-pager status vncserver@15.service || true
+
+log "Verifying port..."
+ss -ltn | grep ":5915" || warn "Port 5915 not listening yet, give it 5s."
+log "Done. Connect with VNC Viewer to <server>:5915  (desktop: gnome)"