VNC Client : noVNC

VNC Client : noVNC 2015/08/05

	Install noVNC which is a VNC Client tool to connect to VNC server via Web Browser.
[1]	Install some packages and create SSL certificates.

# install from EPEL [root@dlp ~]#  yum --enablerepo=epel -y install novnc python-websockify numpy [root@dlp ~]#  cd /etc/pki/tls/certs  [root@dlp certs]#  openssl req -x509 -nodes -newkey rsa:2048 -keyout /etc/pki/tls/certs/novnc.pem -out /etc/pki/tls/certs/novnc.pem -days 365  Generating a 2048 bit RSA private key ..........................................+++ ..........................................+++ writing new private key to '/etc/pki/tls/certs/novnc.pem' ----- You are about to be asked to enter information that will be incorporated into your certificate request. What you are about to enter is what is called a Distinguished Name or a DN. There are quite a few fields but you can leave some blank For some fields there will be a default value, If you enter '.', the field will be left blank. ----- Country Name (2 letter code) [AU]: JP # country State or Province Name (full name) [Some-State]: Hiroshima     # state Locality Name (eg, city) []: Hiroshima # city Organization Name (eg, company) [Internet Widgits Pty Ltd]: Server World     # company Organizational Unit Name (eg, section) []: IT Solution     # department Common Name (eg, YOUR name) []: dlp.server.world     # server's FQDN Email Address []: xxx@server.world # admin email

[2]	Start VNC Server, refer to here (section [1]). This example is based on that "cent" user runs VNC server with 5901 port.
[3]	Start Websockify with the user who runs VNC server and proxying localhost:5901 on port 6080.

[cent@dlp ~]$  websockify -D --web=/usr/share/novnc/ --cert=/etc/pki/tls/certs/novnc.pem 6080 localhost:5901  WebSocket server settings: - Listen on :6080 - Flash security policy server - Web server. Web root: /usr/share/novnc - SSL/TLS support - Backgrounding (daemon)

[4]	Access to the "http://(server's hostname or IP address):6080/" from a client with web browser, then noVNC form is displayed like follows, Login with VNC password.

[5]	Just connected. It's possible to operate CentOS on Web browser.