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= this page is junk, but useful for me for now =
  
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== What - Remote Access to Ubunto 18.04 ==
 
  
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How do you work with a headless Ubuntu 18.04 system?  I would like to make this easy so for me a remote desktop just like the local real
 
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desktop would be great.  I think I have now, it but it has been hard to get there.  I would like to maintain as much security as possible.
 
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The access to the Ubuntu machine will be from Windows 10.  For me this is all inside my local network.  I have found 3 useful ways to do this on my system:
 
  
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* Get command line access ( Putty and SSH )
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=======================al servers  ==============================
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* Webmin, remote http web access.
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VNC/Servers - Community Help Wiki
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* Full VNC desktop ( there are other remote desktops )
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    *>url https://help.ubuntu.com/community/VNC/Servers
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* Why not just use option Share Desktop ? Because mine would not turn on thats why. Why it would not turn on, I was not able to figure out.
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==================== vino ==================================
  
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Of these VNC is the most difficult, and the one I wanted, it will be discussed first.  It also mentions tools that may be useful in other approaches.
 
  
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vino - Enable remote VNC from the commandline? - Ask Ubuntu
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    *>url  https://askubuntu.com/questions/4474/enable-remote-vnc-from-the-commandline
  
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=== VNC full Desktop -- My Goal ===
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Just running
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/usr/lib/vino/vino-server
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should do the job.
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Once you have access to your server, I would recommend that you add it to Autostarted Apps so it is always started.
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You'll probably like change some settings with :
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vino-preferences
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be very careful when you run vino-preference on a remote machine, if you uncheck "Allow other users to control your desktop", you won't be able to check it back.
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or to edit :
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~/.gconf/desktop/gnome/remote_access/%gconf.xml
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Here a sample file :
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<?xml version="1.0"?>
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<gconf>
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    <entry name="vnc_password" mtime="1289267042" type="string">
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        <stringvalue>cXdlcnR5</stringvalue>
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    </entry>
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    <entry name="view_only" mtime="1289262982" type="bool" value="false"/>
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    <entry name="prompt_enabled" mtime="1254965869" type="bool" value="false"/>
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    <entry name="authentication_methods" mtime="1289267034" type="list" ltype="string">
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        <li type="string">
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            <stringvalue>vnc</stringvalue>
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        </li>
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    </entry>
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    <entry name="enabled" mtime="128926
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============================ x11vnc ===================
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= Just a few scribbled links =
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*'''[https://www.google.com/search?client=opera&q=ubuntu+enable+nas+access&sourceid=opera&ie=UTF-8&oe=UTF-8 ubuntu enable nas access - Google Search ]'''
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*'''[https://www.google.com/search?safe=off&client=opera&hs=9g3&q=ubuntu+enable+nfs+access&spell=1&sa=X&ved=0ahUKEwi_lcKivt7gAhUIWN8KHcQXDW0QBQgrKAA ubuntu enable nfs access - Google Search ]'''
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*'''[https://ubuntuforums.org/showthread.php?t=1397766 [ubuntu] How do I access a NAS on my home network? ]'''
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*'''[https://ubuntuforums.org/showthread.php?t=288534 Mount samba shares with utf8 encoding using cifs ]'''
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*'''[https://ubuntuforums.org/showthread.php?t=1169149 Howto: Fix Windows share browsing issues ]'''
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*'''[http://www.opencircuits.com/index.php?title=BullDog_Notes&action=edit&redlink=1 Editing BullDog Notes - OpenCircuits ]'''
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== VNC  SSH  ==
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*'''[https://www.cl.cam.ac.uk/research/dtg/attarchive/vnc/sshvnc.html Using VNC with SSH ]'''
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*'''[https://www.liquidweb.com/kb/how-to-configure-a-vnc-server-to-use-an-ssh-tunnel-on-ubuntu-14-04-lts/ How to Configure a VNC Server to Use an SSH Tunnel on Ubuntu 14.04 LTS | Liquid Web Knowledge Base ]'''
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*'''[https://ubuntuforums.org/archive/index.php/t-11808.html HOWTO: Tunnel VNC through SSH from a windows machine [Archive] - Ubuntu Forums ]'''
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*'''[https://askubuntu.com/questions/636018/how-do-i-set-up-an-encrypted-ssh-tunnel-for-vnc gnome - How do I set up an encrypted SSH tunnel for VNC? - Ask Ubuntu ]'''
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== misc vnc notes ==
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=== Goal ===
  
 
I would like to use VNC to access a Ubuntu 18.04 system from windows like I do with the Raspberry Pi.   
 
I would like to use VNC to access a Ubuntu 18.04 system from windows like I do with the Raspberry Pi.   
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* Connect to the existing desktop
 
* Connect to the existing desktop
 
* Keep the connection secure
 
* Keep the connection secure
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* Stick to open source.
 
  
 
This has been a bit of a struggle for a number of gotchas.
 
This has been a bit of a struggle for a number of gotchas.
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* VNC has a server ( run on the machine you wish to view ) and viewer ( run on the machine you wish to access).
 
* VNC has a server ( run on the machine you wish to view ) and viewer ( run on the machine you wish to access).
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* In addition to having several components there are many versions of VNC.  Directions for each differ, and differ across versions of Linux.  Make sure you directions match your software.
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* In addition to having several components there are many versions of VNC.  Directions for each differ, and differ across versions of Linux.
 
* I will focus on Tiger VNC and Ubuntu 18.04
 
* I will focus on Tiger VNC and Ubuntu 18.04
 
* To get VNC working there seem to be various components.
 
* To get VNC working there seem to be various components.
 
** VNC server
 
** VNC server
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** Desktop software ( there are many different ones, you may need to install -- however here I want to run on the default Ubuntu 18.04 desktop so, of course, it is already installed. )
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** Desktop software ( there are many different ones, you may need to install -- however here I want to run on the default Ubuntu 18.04 desktop so no install is necessary )
 
** A way to connect to the VNC server -- many servers will only connect to localhost 127.0.0.1 so we will use vnc tunnelling to make a remote connection appear to be on localhost
 
** A way to connect to the VNC server -- many servers will only connect to localhost 127.0.0.1 so we will use vnc tunnelling to make a remote connection appear to be on localhost
  
  
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=== Software Used ===
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=== Other Software Used ===
  
 
before installs
 
before installs
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==== Process viewer (htop) ====
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==== Install a process viewer (htop) ====
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* Why This will let you see what vnc software is running.
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* Install >> sudo apt -install htop
 
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* Run >> htop
 
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* Exit >> ctrl-c
 
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==== IfConfig ====
 
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*Why see your server's tcp ip address
 
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* Install >> sudo apt -install ??
 
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* Run >> ifconfig
 
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* Exit >> just ends
 
  
 
==== SSH ====
 
==== SSH ====
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* Install >> sudo apt install openssh-server
 
* Install >> sudo apt install openssh-server
  
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==== what ====
 
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might this help gconf-editor
 
  
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==== System Control ====
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==== Ubuntu text editor ( gedit ) ====
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* Install >> apt-get -install  ??
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* Run >> htop
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==== Ubuntu File Browser ====
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===  Tiger VNC ===
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* Install  >> apt-get -install  ???
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* Install  >> sudo apt install tigervnc-standalone-server tigervnc-viewer
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* Run >> tigervncserver -xstartup /usr/bin/xterm
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* see running servers >>  vncserver -list
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* what runs with command vncserver  >> which vncserver
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    right answer is ??
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/usr/bin/vncserver
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=== 3 ===
  
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systemctl vs. service
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no keyboard untill 1 - > 4 gig memory  still running slugish??
  
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* sudo systemctl stop httpd  << The Apache server would stop and you'd be returned to the bash prompt. To start the same service, we'd issue the command:
 
  
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* sudo systemctl start httpd << The service would start and you'd be returned to your bash prompt.
 
  
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spyder
  
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* sudo systemctl restart httpd  << to restart the same service
 
  
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==== Ubuntu text editor ( gedit ) ====
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tiger vnc
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sudo apt install tigervnc-standalone-server tigervnc-viewer
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start in terminal with
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vncserver
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vncviewer
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russ@UbuntuBase-VB:~$ vncserver
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New 'UbuntuBase-VB:1 (russ)' desktop at :1 on machine UbuntuBase-VB
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Starting applications specified in /etc/X11/Xvnc-session
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Log file is /home/russ/.vnc/UbuntuBase-VB:1.log
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Use xtigervncviewer -SecurityTypes VncAuth -passwd /home/russ/.vnc/passwd :1 to connect to the VNC server.
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russ@UbuntuBase-VB:~$ vncserver
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loopback IP address is 127.0.0.1
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------------- not done yet ------
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Start TigerVNC vncserver at boot
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The ubuntu install package also registers a system service, making it easy to define listening vnc servers on startup. Edit the file /etc/default/vncserver and add the display number and user to start as:
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sudo gedit /etc/default/vncserver
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VNCSERVERS="1:myusername"
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Then enable the service at boot with:
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sudo update-rc.d vncserver defaults
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--------------------- end not done
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vncserver in terminal to start
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Use xtigervncviewer -SecurityTypes VncAuth -passwd /home/russ/.vnc/passwd :1 to connect to the VNC server.
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------------------- more installs --------------------
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remmina
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sudo apt install openssh-server
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----------------- done ------------------
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https://linuxize.com/post/how-to-install-webmin-on-ubuntu-18-04/
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sudo apt install software-properties-common apt-transport-https wget
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sudo add-apt-repository "deb [arch=amd64] http://download.webmin.com/download/repository sarge contrib"
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etting up libauthen-pam-perl (0.16-3build5) ...
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Setting up apt-show-versions (0.22.7ubuntu1) ...
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** initializing cache. This may take a while **
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Processing triggers for ureadahead (0.100.0-21) ...
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Setting up webmin (1.910) ...
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Webmin install complete. You can now login to https://UbuntuBase-VB:10000/
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as root with your root password, or as any user who can use sudo
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to run commands as root.
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Processing triggers for systemd (237-3ubuntu10.21) ...
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Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
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Processing triggers for ureadahead (0.100.0-21) ...
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russ@UbuntuBase-VB:~$
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------------------- what is running tiger?? ----------------
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sudo apt-get install htop
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htop
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----------------------
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start with
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tigervncserver -xstartup /usr/bin/xterm
  
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* Install >> apt-get -install  ??
 
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* Run >> htop
 
  
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==== Ubuntu File Browser ====
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remania connccts ok with  127.0.0.1:5904 
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password squeak1313
  
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===  Tiger VNC ===
 
  
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* Note: there may already be vncserver software installed perhaps vineo ??
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590  desktop number  may get the desktop number whhen start tigervnc with the command
  
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* Install  >> sudo apt-get install tigervnc-scraping-server
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vncserver ??
  
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* Install ( may not be needed ) >> sudo apt install tigervnc-standalone-server tigervnc-viewer
 
  
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* Set password >>vncpasswd << gotcha, if run server with no password set. If this does not run find an install -- perhaps full tiger vnc to get it.
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how do I know so little
  
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* Run gotcha  >> x0tigervncserver  << but gotcha, needs to be pointed to password file so
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see what is going on with htop
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* Run >> x0tigervncserver -PasswordFile ~/.vnc/passwd
 
  
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* Run gotcha this is not the scraping server may not be installed >> tigervncserver -xstartup /usr/bin/xterm
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    vncserver -kill :1
  
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* Set password >>vncpasswd << gotcha, if run server with no password set it will not work.
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vnc viewerr is also installed
  
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* edit configuration file >>  use file browser but .vnc is hidden so turn on hidden file abillity ( one of its menus )
 
  
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* starting thru ssh with putty does not work ( get an authentication error, but can start locally )
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this seems pretty good
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* to start thru ssh install startup script as on https://www.howtoforge.com/tutorial/how-to-start-a-vnc-server-for-the-actual-display-scraping-with-tigervnc/  this script can be run thru putty
 
  
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** sudo apt-get install git psmisc
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How to remotely display and control a Linux desktop from a Windows or Linux system using VNC
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https://www.linuxtopia.org/HowToGuides/VNC_setup_Linux_Windows.html
  
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** git clone https://github.com/sebestyenistvan/runvncserver
 
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** cp ~/runvncserver/startvnc ~
 
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** chmod +x ~/startvnc
 
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** ./startvnc  start
 
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**
 
  
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* Manual Page: may not be the best >> https://man.cx/x0tigervncserver(1)
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ls ~ -a to see home hidden files there is a .vnc
  
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* set password with >> vncpasswd
 
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* see running servers >>  vncserver -list
 
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* what runs with command vncserver  >> which vncserver
 
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    right answer is ??
 
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/usr/bin/vncserver
 
  
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* what about owner of the .Xauthority file,  https://askubuntu.com/questions/772090/how-can-i-resolve-x11-problem-with-putty-if-i-have-this-error-putty-x11-proxy
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sudo gedit ~/.vnc/default.tigervnc
  
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How to list VNC server sessions on Ubuntu Linux
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$ vncserver -list
  
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PuTTY X11 proxy: Unsupported authorisation protocol
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ifconfig -a.
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ip addr (ip a)
  
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How to start a vnc server for the actual display (scraping) with TigerVNC
 
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https://www.howtoforge.com/tutorial/how-to-start-a-vnc-server-for-the-actual-display-scraping-with-tigervnc/
 
  
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==== Workflow In Use ====
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--------------------------------
  
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* Boot the Ubuntu machine, if powered off just power on, if you have access sudo reboot ?? or restart will boot it.
 
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* Wait
 
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* On the windows machine connect with Putty and log in with your password and id
 
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* In Putty issue the command to start the VNC Server >> ./startvnc  start
 
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* Start the windows VNC viewer the one I used is VNC viewer from RealVNC ... because this is the one I use for the Rasberry Pi ( you need to have a configuration with the right ip address of the Ubuntu Machine the same as the one in Putty
 
  
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=== Easiest, no Desktop Putty SSH ===
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sudo apt-get install openssh-server
  
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* Install ssh on Ubuntu
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Input your password (no visual feedback while typing) when it prompts and hit Enter.
  
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* Run Putty on windows using the IP address of the Ubuntu machine
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openssh-server-bionic
  
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3. Once installed, SSH starts automatically in background. And you can check its status via command:
  
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.
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sudo systemctl status ssh.service
  
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=== Webmin Somewhat Graphical, Easier than Command Line ===
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---------------------
  
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* rather than use the desktop use a web based admin tool:
 
  
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x0tigervncserver
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Ubuntu Manpage: x0tigervncserver - TigerVNC Server for X displays
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http://manpages.ubuntu.com/manpages/bionic/man1/x0tigervncserver.1.html
  
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* Website Webmin http://www.webmin.com/
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x0tigervncserver -PasswordFile ~/.vnc/default.tigervnc
  
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* Install >> sudo apt-get install webmin << seems to work on virtual machine but not real one ??
 
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* Start >>  sudo /etc/webmin/start  << you can do this thru putty, then open your browser
 
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* Stop >> /etc/webmin/stop  << not tested may need sudo
 
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* Restart >>/etc/init.d/webmin restart
 
  
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* access on your browser >>https://192.168.0.95:10000/    not work:??  http://192.168.0.95:10000/
 
  
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How To Install Webmin on Ubuntu 18.04 | DigitalOcean
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gedit  ~/.vnc/default.tigervnc
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https://www.digitalocean.com/community/tutorials/how-to-install-webmin-on-ubuntu-18-04
 
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sudo nano /etc/apt/sources.list
 
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sudo gedit /etc/apt/sources.list
 

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