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--- en:guides:conspy [2010/02/21 02:25]
jozee created
+++ en:guides:conspy [2012/04/22 11:00]
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-====== Install the latest non-free Nvidia driver ======
+====== Conspy : tiny screen or VNC ======
-=== Required Reading ===
+Slitaz core provides the 10Kb conspy to get remote control of Linux virtual consoles. See http://ace-host.stuart.id.au/russell/files/conspy/
-    * Handbook - [[http://www.slitaz.org/en/doc/handbook/x-window.html#xorg|Xorg Installation]]
+Slitaz opens 6 virtual consoles which you can access with Ctrl-Alt-F1 to Ctrl-Alt-F6. You can connect to console 1 with //conspy 1// and console n with //conspy n// or the current active console with //conspy// (root user only).
-    * Quickstart Guide - [[en:guides:quickstart:kernel|Build your own custom Linux Kernel]]
-=== Prepare ===
+To exit from conspy (and the virtual console) press the escape key three times in quick succession.
-    * Download the installer from the Nvidia [[http://www.nvidia.com/object/unix.html|website]]. Latest version 190.53
+===== Conspy as screen (session manager) =====
-    * Install the Xorg server
+Linux supports up to 63 virtual consoles. You can have up to 62 (63 - X11 on console 7) sessions. Six sessions are already opened by Slitaz.
+You can open a new console / new session (say console 28) with //openvt -c 28 /bin/login// or //openvt -c 28 /bin/ash//.
+You can free this virtual console with //deallocvt 28//.
+Example:
 <code>
-# tazpkg get-install xorg-server
+home$ ssh tux@slitazbox
+box$ su
+box# openvt -c 28 /bin/ash
+box# conspy 28
+# some commands
+...
+# <ESC><ESC><ESC>
+box# exit
+box$ exit
 </code>
+<note tip>
-    * Install the linux-source package and development tools. See [[http://community.slitaz.org/wiki/quickstart/customkernel|here]]
+With a recent busybox (see below) you can skip the openvt step:
 <code>
-# tazpkg get-install linux-source
+home$ ssh tux@slitazbox
+box$ su
+box# conspy -cs 28
+# some commands
+...
+# <ESC><ESC><ESC>
+box# exit
+box$ exit
 </code>
+</note>
+Later:
-=== Install the driver ===
-For this part you're going to need a pencil and paper as we now have to work in text mode without a X-server running
-When you're ready press alt-ctrl-del, you should now see a command line:-
-    * Configure the X-server and copy the (generated) xorg.conf
 <code>
-# Xorg -configure
+home$ ssh tux@slitazbox
-# cp /root/xorg.conf.new /etc/X11/xorg.conf
+box$ su
+box# conspy 28
+# more commands
+...
+# <ESC><ESC><ESC>
+box# exit
+box$ exit
 </code>
+To close the session:
-    * Prepare the Kernel
 <code>
-# cd /usr/src/linux
+home$ ssh tux@slitazbox
+box$ su
-# make oldconfig && make prepare
+box# conspy 28
+# exit
-# make menuconfig (not required - but if you've come this far, you can take a peek)
+<ESC><ESC><ESC>
-# make bzImage
+box# deallocvt 28
-# make modules
+box# exit
-# make modules_install
+box$ exit
 </code>
+<note tip>
-    * Now make executable and install the Nvidia driver, change to directory you installed to
+With a recent busybox (see below) you can skip the deallocvt step:
 <code>
- # chmod +x NVIDIA-Linux-x86-177.80.pkg1.run
+home$ ssh tux@slitazbox
- # ./NVIDIA-Linux-x86-177.80.pkg1.run --kernel-source-path=/usr/src/linux
+box$ su
+box# conspy 28
+# clear; exit
+<ESC><ESC><ESC>
+box# exit
+box$ exit
+</code>
+</note>
+If you prefer to use screen, see http://www.gnu.org/software/screen:
+<code>
+# tazpkg get-install screen
+$ screen -S MySession
 </code>
-    * Copy the Kernel Image to /boot
+===== Conspy as VNC (shared console) =====
+You can share a virtual console between two or more users.
+Say RemoteUser wants to show some commands to SlitazUser using SlitazBox.
+RemoteUser selects SlitazUser's console with //chvt//:
 <code>
-# cd /usr/src/linux
+home$ ssh SlitazBox
-# cp arch/x86/boot/bzImage /boot
+SlitazBox$ su
+SlitazBox# chvt 1
+SlitazBox# conspy 1
 </code>
+Now both users show the same terminal. A third user can do //conspy 1// too.
+If you prefer to share the X11 display, install x11vnc (VNC server) and x11vnc-extra (java VNC client) see http://www.karlrunge.com/x11vnc/:
-=== Restart ===
-    * Reboot into text mode
 <code>
-# reboot - Hard drive users
+SlitazBox# tazpkg get-install x11vnc
-# tazusb writefs gzip && reboot - USB users
+SlitazBox# tazpkg get-install x11vnc-extra
+SlitazBox# /etc/init.d/x11vnc start
+</code>
+<code>
+home$ su
+home# get-java-jre
+home# exit
+home$ firefox http://SlitazBox:5800/ultrasigned.vnc
 </code>
-Don't forget to pass the screen=text option at startup, (it may well boot into text mode anyway, if not just press alt-ctrl-del again)
+===== X11VNC Autostart  =====
+If you'd like to start X11VNC automatically you must edit /home/$USER/.xinitrc with:
-    * Load the nvidia module
+<code> # nano /home/tux/.xinitrc </code>
-<code>
+<file>
-# modprobe -v nvidia
+# ~/.xinitrc: Executed by slim login manager to startx X session.
-</code>
+# You can use F1 with Slim to change your window manager or configure
+# it permanently with your personal applications.conf file.
+#
+. $HOME/.config/slitaz/applications.conf
-    * Edit Slim configuration file to load Xorg server
+############################################################
+## ATTENTION!!! INSERT THE FOLLOWING LINE AFTER .conf FILE CALL
+/etc/init.d/x11vnc start &
-<code>
+case $1 in
-# vi /etc/slim.conf
+	e17|enlightenment*)
+...
+</file>
-default_xserver     /usr/bin/Xorg
+**DO NOT USE** the Autostart Programs option under OpenBox or Daemon tricks, it will start a X11VNCserver before a X11server and crash the VNC after the first client connection. So you'll only connect once to the server (and it's not desirable in support environments).
-#default_xserver     /usr/bin/Xvesa
-#xserver_arguments   -ac -shadow dpms +extension Composite -screen 1024x768x24
-</code>
-    * Restart Slim
+===== Conspy and slow connections =====
-<code>
+Launch a very verbose command into a conspy and the output is displayed at full speed in the virtual console whatever your connection speed to the remote box is (even if your connection is broken).
-# /etc/init.d/slim start
+===== Conspy and Busybox =====
-</code>
-Err… that's it
+Conspy is a busybox applet since busybox 1.17.0. It adds 2.5Kb to busybox, has better terminal support and supports some new options:
+  * -c to create missing devices (/dev/vcsaXX and /dev/ttyXX)
+  * -d for screen shot<code># conspy -nd 28 > screen28.txt</code>
+  * -s to launch a shell<code># conspy -cs 28</code> (no more openvt/deallocvt)
+  * -x COL -y LINE upper left corner position
+  * -f follow cursor with automatic scrollings
-(If you want the nvidia module to persist, just add it to the LOAD_MODULES variable in /etc/rcS.conf)
+The conspy applet is enabled in the busybox package. The conspy package is no longer more useful than the recent busybox and will be removed from the packages database.
+----
+\\
+^  Page Review Section  ^^
+|Quality| Good  |
+|Review| Minor Updates  |
+|Priority| Medium |
+|Problems| add a [[http://forum.slitaz.org|forum post link]]|
+|:::     | OR add a [[http://labs.slitaz.org/issues |lab issue tracker link ]]|
+|How to Improve| Suggest briefly|
+|::: |  |
+\\
+----

en/guides/conspy.txt · Last modified: 2017/05/19 18:51 by hgt

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