系統環境:CentOS Linux release 7.4.1708
Kernel:3.10.0-693.el7.x86_64
系統現狀:最小化安裝,沒有安裝任何圖形支持軟件
安裝圖形化支持
不建議安裝GNOME Desktop,它會占用大量系統資源,安裝完后大約要占用1G左右的空間,而且安裝過程也較長。以root權限安裝“X Window System”即可
# yum groups install "X Window System" # yum install gnome-classic-session gnome-terminal nautilus-open-terminal control-center liberation-mono-fonts
修改系統啟動級別
# systemctl set-default graphical.target #graphical.target相當於level5,multi-user.target相當於level3
安裝vncserver
# yum install tigervnc-server
配置vncserver實例
分別配置root用戶和st-jun用戶,配置略有不同
root用戶,服務名是vncserver@:1.service:
# cp /lib/systemd/system/vncserver@.service /etc/systemd/system/vncserver@:1.service
修改拷貝過來的模板配置文件,主要是[Service]部分
# vim /etc/systemd/system/vncserver@\:1.service [Service] Type=forking User=root # Clean any existing files in /tmp/.X11-unix environment ExecStartPre=-/usr/bin/vncserver -kill %i ExecStart=/sbin/runuser -l root -c "/usr/bin/vncserver %i" PIDFile=/root/.vnc/%H%i.pid ExecStop=-/usr/bin/vncserver -kill %i
st-jun用戶,服務名是vncserver@:2.service:
# cp /lib/systemd/system/vncserver@.service /etc/systemd/system/vncserver@:2.service
# vim /etc/systemd/system/vncserver@\:2.service [Service] Type=forking User=st-jun # Clean any existing files in /tmp/.X11-unix environment ExecStartPre=-/usr/bin/vncserver -kill %i ExecStart=/usr/bin/vncserver %i PIDFile=/home/st-jun/.vnc/%H%i.pid ExecStop=-/usr/bin/vncserver -kill %i
普通用戶的ExecStart不同於root,加/sbin/runuser則會在啟動服務時報以下錯誤
Job for vncserver@:2.service failed because the control process exited with error code. See "systemctl status vncserver@:2.service" and "journalctl -xe" for details.
設置vncpasswd
# vncpasswd #root用戶實例的vnc密碼 # su - st-jun $ vncpasswd #普通用戶一定要切換到用戶自己的環境下
密碼設置完成后回到root權限下,啟動服務
加載進程,重啟服務
# systemctl daemon-reload # systemctl start vncserver@:1.service # systemctl start vncserver@:2.service # systemctl enable vncserver@:1.service # systemctl enable vncserver@:2.service #開機啟動
配置系統防火牆
# firewall-cmd --zone=public --add-port=5901/tcp # firewall-cmd --zone=public --add-port=5902/tcp
# firewall-cmd --reload