Linux Commands Examples

A great documentation place for Linux commands

open

start a program on a new virtual terminal (VT).


see also : chvt - login

Synopsis

openvt [-c vtnumber] [OPTIONS] [--] command


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examples

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openvt can be used to start a shell on the next free VT, by using the command:
openvt bash

To start the shell as a login shell, use:
openvt -l bash

To get a long listing you must supply the -- separator:
openvt -- ls -l


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open $*
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How to open an OpenOffice document and scroll to a bookmark?

You will likely need to look into the OpenOffice scripting facilities. Look at some of the OpenOffice Macro Information by Andrew Pitonyak. In his document "Useful Macro Information" (.odt file link warning) pay attention to section 7.2.3 "You can move a cursor to a Bookmark anchor"

Dim oAnchor  'Bookmark anchor
  Dim oCursor  'Cursor at the left most range.
  Dim oMarks

  oMarks = ThisComponent.getBookmarks()
  oAnchor = oMarks.getByName("MyMark").getAnchor()
  oCursor = ThisComponent.getCurrentController().getViewCursor()
  oCursor.gotoRange(oAnchor, False)

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How do you connect to a remote linux server (graphically) with Open Text Exceed

If I recall correctly, Exceed is a generic X11 server for Windows.

The usual way to use X11 over the network is by forwarding it over SSH, the secure shell protocol. Most SSH clients support X11 forwarding; this includes PuTTY (Connection - SSH - X11) and SecureCRT. First ensure that the X11 server (Exceed) is running, then enable X11 forwarding in the SSH client, connect to the remote machine, and run your program.

The older, less secure way is to allow X11 connections to be made directly from the remote machine; again, connect over SSH, but set the $DISPLAY environment variable to your IP address followed by a : and the display number (usually zero). This obviously requires mucking with port forwarding (TCP ports starting with 6000 at display 0), and is much less secure.

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Map open port to process

You can do netstat -tulpn and grep for the name of the port.

For instance, using your example port, the command would be netstat -tulpn | grep 10101

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How to setup internet television using Linux box with DNS name?

Take a look at a few of the open source video players like JW player, OSFLV, Flowplayer, etc. They might give you some ideas.

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MacOS 'open'-command for GNU/Linux

No, Linux is too configurable for that, on OSX you start off with Safari, the OSX File Manager, etc, but on my laptop right now I don't even have graphical and I work purely in TTY, to get an open command on Linux to work it would need to be told how to handle every file, which at that point I might as well just make my own.

#!/bin/bash
if [ -d $1 ]; then #Check if $1 is a directory
    nautilus $1 #To be honest pcmanf is way better
fi
if [ -f $1 ]; then #Check if $1 is a file
    if [ $1 == *.txt ]; then #Is the extension .txt?
        gedit $1
    fi
fi

I personally prefer to alias the file extensions, so I can just type to path to the file and it will open it, decompress it, compile it, etc, it's one of the better features of ZSH, I recommend you try it.

description

openvt will find the first available VT, and run on it the given command with the given command options, standard input, output and error are directed to that terminal. The current search path ($PATH) is used to find the requested command. If no command is specified then the environment variable $SHELL is used.

OPTIONS
-c, --console=VTNUMBER

Use the given VT number and not the first available. Note you must have write access to the supplied VT for this to work;

-f, --force

Force opening a VT without checking whether it is already in use;

-e, --exec

Directly execute the given command, without forking. This option is meant for use in /etc/inittab. If you want to use this feature in another context, be aware that openvt has to be a session leader in order for -e to work. See setsid(2) or setsid(1) on how to achieve this.

-s, --switch

Switch to the new VT when starting the command. The VT of the new command will be made the new current VT;

-u, --user

Figure out the owner of the current VT, and run login as that user. Suitable to be called by init. Shouldn’t be used with -c or -l;

-l, --login

Make the command a login shell. A - is prepended to the name of the command to be executed;

-v, --verbose

Be a bit more verbose;

-w, --wait

wait for command to complete. If -w and -s are used together then openvt will switch back to the controlling terminal when the command completes;

-V, --version

print program version and exit;

-h, --help

show this text and exit.

--

end of options to openvt.

note

If openvt is compiled with a getopt_long() and you wish to set options to the command to be run, then you must supply the end of options -- flag before the command.


history

Earlier, openvt was called open. It was written by Jon Tombs <jon[:at:]gtex02.us[:dot:]es or jon[:at:]robots.ox.ac[:dot:]uk>. The -w idea is from "sam".


see also

chvt , doshell, login

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