General :: What Is Short Cut Key To Toggle Between Pseudo Terminals In Red Hat?
Apr 21, 2011what is short cut key to toggle between pseudo terminals in red hat? how can i create customized short cut keys in red hat?
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General :: Random Keyboard Pseudo-failure?
Jan 9, 2011Occasionally when I start typing into a text box, it will not enter text until I go to another window or text box and click back in. This seems to happen at random without any pattern or to any specific applications more than others. I can still use alt-tab and similar commands, so I know it's not the hardware. I am running Ubuntu 10.04 Lucid Lynx using a Microsoft Multimedia keyboard and I am running SCIM for Japanese input, but I almost always have it set to English, and it can be set t
View 12 Replies View RelatedGeneral :: Find The Valid Values For The Sys Pseudo-filesystem Interface?
May 11, 2011Specifically, I'd love to know what the valid values of:
And, where I can find this information? I've always wondered if it was documented somewhere, or if there was an interface into the kernel to query for it.
General :: Powerdevil Doesn't Toggle Between AC Adapter And Plugged In
Jan 20, 2010Powerdevil has been a pain for me for as long as I've use it, since KDE 4.3.1(Even Pre 4.3.1, up to 4.4)... It doesn't toggle when I unplug the AC adapter and doesn't toggle between power management modes, so in-turn shuts off immediately without any notification that power has ran out. When I ran 'acpi', AC Adapter indicates properly when I unplug it and plug it back in, so I would rule out an ACPI issue, no? Is this a bug in Powerdevil?
View 1 Replies View RelatedGeneral :: Xorg: Map AltGr To The CapsLock Key (to Toggle 3rd Level Symbols)
May 7, 2010as many others I don't need CapsLock. I want to reassign it such that it has the function of AltGr. I use Kubuntu 9.10 but I think there must be a solution which is distribution independent.
I already tried to use setxkbmap or xmodmap. Using xmodmap at least I managed that CapsLock to behaves like Del by following this description.
But I could not achieve assigning the AltGr behavior to CapsLock.
General :: Send Commands To Another "pseudo Terminal"?
May 8, 2010Is there some way to send commands to another "pseudo terminal" or otherwise access one when the desktop environment has frozen to get a program there to save its data? (i.e. after logging in remotely) I tried "echoing" to "/dev/pts/X" (X = number) but that doesn't seem to work. It just displays whatever is echoed there -- it is not accepted as input.
View 3 Replies View RelatedGeneral :: DBus Command To Toggle Auto-hide On A KDE Plasma Panel?
Mar 5, 2011Is there a DBus command (or some other way from the command line) to toggle auto-hide on a panel in KDE Plasma? (I'm running KDE 4.6.)
I have a game I run in WINE that doesn't work right if it's autohidden and it would be nice to run it from a script that takes care of that for me.
General :: Keep A Layout Of Terminals?
Mar 27, 2011Is there a way to "save" a layout of terminals on Ubuntu?Let's say I have 4 Terminals on a workspace that I'd like to save/restore at will, how could I do this?UPDATE:create gnome-terminal desktop entryedit the preferences and under "Title and Command" be sure to set "Keep initial title" for "When terminal commands set their own titles"use wmctrl (available on universe repo) to control windowUsing the above procedure, one can create as many desktop profiles for gnome terminals and control them by "title" using wmtrl -R $title_here.The profiles are kept under ~/.gconf/apps/gnome-terminal/profiles.
View 2 Replies View RelatedGeneral :: Vim Copy-paste Across Terminals?
Jan 19, 2011The usual vim yank and paste works only in the same window (but does work across files and close/save commands). Is it possible to make it work across terminals (yank from window in one terminal and paste in another) and if so, how?
View 1 Replies View RelatedGeneral :: Get 2+ Terminals In BASH Script?
Jan 19, 2010I am making a bash script. I have captured user input like so. code...
But it does not work. Airodump-ng "takes over" and the script does not continue.
How do I make it so that I can make a new Terminal, or allow more commands to take place on the current one, allow the output from airodump-ng to be shown, and keep the caught user input?
I'm using Ubuntu 9.10, GNOME and would like it so that anyone with a GUI Terminal, Konsole or whatever can execute the script successfully.
I'm confused...I looked up on Google and couldn't find anything! Just "Beginners guide to Bash Scripting" and "How to BASH script" but nothing relevant that answer my question!
General :: Can't Close Multiple Terminals?
Sep 3, 2010I just started using Fedora Linux Console. I know how to open multiple consoles, but i don't know how to close them.
View 5 Replies View RelatedGeneral :: Short Cuts For KDE?
Jun 25, 2010What are the short cuts we can use for KDE desktop , for eg. To run command , to lock session. etc.
View 1 Replies View RelatedGeneral :: Ubuntu - Spawn Multiple Ssh Terminals?
Nov 25, 2010when i am logged into my server via SSH how can i spawn many ssh terminals? is there a xterm command for this?
View 6 Replies View RelatedGeneral :: Auto Start Several Terminals On Linux
Apr 23, 2011Every time I reboot my linux machine I have to set up 5 or 6 terminals and Im trying to find a way to do this automatically. Bind a script to a shortcut or on startup that starts several terminals (extra point if theyre tabbed) and have each terminal ssh to different servers.
View 3 Replies View RelatedGeneral :: Split Output Of A Command To Two Terminals?
Jun 27, 2011How can I split an output of a command to two terminals? one will get stdout and the other will get stderr. The best I could do is:
On first terminal code...
This works ok but it prints the errors over and over again every time, is there any better way to redirect the errors to another terminal?
General :: Open Multiple Terminals In Run Level 3?
Dec 8, 2010I am using red hat Linux 4 I have two question.
Normally in GUI interface i open multiple terminal at a time like one for log file and one for configuring any file etc etc.
The problem is normally I do work on run level 3 but in that way how can i open multiple terminal at at time ? Is there any way...
2- When I use the command
Code:
# tail -f /var/log/messages
in GUI i normally close the windows after viewing the log file messages.Is there any hot key by which I can again see the prompt example [root@localhost ~}# to write the command instead of closing the terminal windows ?
General :: Socat And Rich Terminals - No Job Control In This Shell
Mar 24, 2010socat - exec:'bash -li',pty,stderr,ctty -> bash: no job control in this shell
What options should I use to get fully fledged shell as I get with ssh/sshd? I want to be able to connect the shell to everything socat can handle (SOCKS 5, UDP, OpenSSL), but also to have a nice shell which correctly interprets all keys, various Ctrl+C/Ctrl+Z, tab completion, up/down keys (with remote history).
- Found "setsid" socat option. It fixes "no job control". Now trying to fix Ctrl+D.
- socat file:`tty`,raw,echo=0 exec:'bash -li', pty, stderr, setsid, sigint, sane. Not it handles Ctrl+D/Ctrl+Z/Ctrl+C well, I can start Vim inside it, remote history is OK.
General :: Command To Keep Track All The Previously Run Applications From All Terminals?
Apr 13, 2010Is there a way or command to keep track all the previously run applications from all terminals that are connected to your linux machine? Something that will display the name of the application, start time, and end time of its execution?
View 3 Replies View RelatedRed Hat / Fedora :: Pseudo-ttys - Both BSD And SVR5 Versions Seem To Be Incomplete
May 21, 2010I'm trying to complete the porting to RHEL 5 of a commercial application that we've had running on AIX and SCO for decades. It originally ran on dumb-terminals, and even now runs on dumb-terminal emulators that run on Windows. We have thousands of customers, many of whom we'd like to migrate to Linux. We're pretty much done with the port, with the exception of this little glitch we're having with pseudo-ttys...
Our app utilizes pseudo-ttys, such that sub-portions of the application run under a screen manager that provides for screen-switching of multiple instances of the sub-apps on non-GUI terminals, some of which are still running serial. In this regard, it is not unlike the GNU "screen" program. However, it also supports file transfers over serial links using zmodem, and requires the ability to switch in and out of a fully 8-bit transparent mode where the screen switching keyboard commands must be ignored.
On AIX, we're using the BSD TIOCUCNTL (UIOCCMD) capability to send commands from the sub-app to the screen manager. TIOCUCNTL provides custom user ioctls and is an ideal way to solve the problem. It is not implemented on Linux, and the "alternative" of TIOCPKT does not provide arbitrary ioctls so at best we'd have to commandeer some of the existing TIOCPKT ioctls for our own use if that's even possible. TIOCPKT seems like a hack, it apparently was implemented not as a general mechanism but to solve problems specific to rlogin/rlogind.
SCO didn't support TIOCUCNTL either, so years ago we used the SVR5 alternative of putmsg/getmsg. This is a streams-based mechanism of sending control information over streams separate from the data. While RHEL 5 seems to have man pages indicating these commands exist, and in fact you can link programs using them to libc without errors, they are apparently stubbed out and return "function not implemented." This seems to be, according to this Wiki, due to certain Linux factions deeming that streams are "technically inadequate":
Certainly, I would agree that a streams implementation that is incomplete is undoubtedly "technically inadequate."
At the same time, it would appear that the SVR5 method of pseudo-tty is now the recommended implementation, the BSD one being "deprecated" (not to mention, also incomplete on Linux, given TIOCUCNTL is missing):
So here I am trying to figure out how to solve the problem. I have found a library that apparently implements the getmsg/putmsg commands for Linux, called libLiS. However, according to IBM, it has a problem with SELinux:
We've had to disable SELinux for other reasons anyway, so this is not a show stopper for us, and I am actively exploring using it as our solution. However, I've never been exactly crazy about the idea of depending on disabling security features to make something work. But, there's something to be said for the compatibility it would offer for our apps.
However, it occured ot me that we are probably not the first to have this problem, and was wondering if perhaps there is another solution that we should consider.
It has occured to me to use named pipes, but this would be rather ugly--we'd have to maintain a directory full of hundreds of named pipes, probably named after the associated ptys that the sub-apps could use to issue control commands to their screen manager, and the manager would have to monitor these pipes for commands, etc.-- certainly possible, but it seems like it might be re-inventing the wheel a bit, or at the very least, is a somewhat kludgy work-around to the apparent lack of any user-customizable control mechanisms in the pseudo-ttys. And we'd have to support it in addition to the code for the other methods since those platforms aren't going away anytime soon (SCO death-throes notwithstanding).
Server :: Parallel Multiple Ssh Tool Pseudo Tty Support
Jan 24, 2011I use mpssh or pssh to issue commands to multiple servers. Problem is that some of the commands require pseudo terminal and won't work with these tools. This will work just fine: "ssh -t user@server command" as stated under SSH man: -t = Force pseudo-tty allocation. This can be used to execute arbitrary screen-based programs on a remote machine, which can be very useful, e.g., when implementing menu services.
Multiple -t options force tty allocation, even if ssh has no local tty. So, is there a workaround for the above tools? Or is there any other tool for multi server administration that will work? If you are not sure what I am talking about just try executing "ssh user@server top" and "ssh -t user@server top" to know exactly the difference.
Programming :: Pseudo Virtual Files In Shell Script?
Jan 30, 2010Perl has the concept of pseudo virtual files where data can be appended to the end of the script, & Perl will treat it as a legitimate source of data:
Code:
$ cat pseudo_file.pl
#!/usr/bin/env perl
use strict;
while (<DATA>) {
print; }
__DATA__
1
2
3
$ perl pseudo_file.pl
1
2
3
$ _
I would really like to be able to do something similar in a Bourne shell script where I don't have to manage a collateral text file which is prone to getting lost. Does anyone know if there is a similar construct in shell programming? I would have thought this feature was a remnant that Perl inherited from its shell programming roots, but searching on the Web has revealed nothing of consequence.
General :: Short Cut To Copy From Terminal Output?
Dec 10, 2010if we type a command such as "locate somefilename" in the terminal we will get all the paths to the file name as output. If i want to copy only one line from that output how do i do that without using mouse?i need terminal short cut to copy one line
View 8 Replies View RelatedGeneral :: Creating Some New Short+keys For The Terminal?
Feb 1, 2010I did something stupid; I think while creating some new short+keys for the terminal, I must have enabled an unknown feature to me. The keypad now acts like a mouse. For example; With NumLock on, I press 7 the mouse goes north+west. I press 6 the mouse pointer goes east.
View 2 Replies View RelatedGeneral :: Command For Short File Descriptor?
Jun 25, 2010the short file descriptor of an ISO file. I have been assigned with a task to match the short file descriptor of an ISO file(to be provided to the customer) to check if thats "Kudgo Support tools" or not.What linux command should I use?
View 6 Replies View RelatedUbuntu :: Script To Open Pseudo-terminal At User Login To GUI: (kiwi) 10.04?
Nov 26, 2010I've been able to write a basic script that opens a terminal a lil messagemy issue, i want it to open its pseudoterminal as soon as i log into GUIthe script:
Code:
#!/bin/bash
if [ $1 = "start" ]
[code]...
General :: Keyboard Activating SHIFT Randomly For A Short Time
Feb 14, 2010I think this might be related to the changes to using udev or DeviceKit. It started when I was running the beta versions of F12. Then it crept into Debian Sid. And my Arch Testing and Gentoo also suffer from the same.
What happens is that I'll be working along. Then when I press any key it is as if the SHIFT key is pressed. When I press CAPSLOCK, some of the keys react as they would normally. This never lasts for more than 5 minutes. And seems to happen infrequently. I say seems because there are the times I am at work and it could be that the same thing is happening only there is no one on the keyboard.
The reason I pick out udev/DeviceKit is that when it used to happen to F12 beta, the other distros had not yet made the move. So back then it was only a F12 issue. Now it is happening across the board. And only started recently.
General :: Vncpasswd Broken - Says 'password Too Short' On Debian Etch?
Sep 22, 2010I recently ordered a vServer with Debian Etch on it and now i kind of desperate because vncpasswd just won't work. When running it, it says:Code:Password too short
The Problem is: I can't even enter one. It just prints this line and exits.What I also noticed was that after this happened I can no longer open man pages until the next reboot, as it says:
Code:
man: command exited with status 256: /usr/bin/zsoelim /tmp/zmaneFTrCR | /usr/bin/tbl | /usr/bin/nroff -mandoc -rLL=195n -rLT=195n -Tascii | /usr/bin/pager -s
General :: Getting An Odd Quirk When Use "Toggle Showing Desktop"
Mar 22, 2010When I have all the desktop showing (referred to in control center-->keyboard shortcuts as "Toggle Showing Desktop"), which effectively minimizes all windows, I find that I can't open a new window of any kind without the other windows popping back up. It seemingly undoes my command to show the desktop. I realize that the system probably doesn't treat "toggle showing desktop" as though I actually clicked the minimize button on every window, but the effect is the same to me (that's why I use the command in the first place); so I expect those windows to stay down until I bring them back individually, and find it annoying that they all pop up when I open some new window.
View 1 Replies View RelatedGeneral :: Getting LESS To Return Back To Command Line If A Short File Is Displayed
Aug 12, 2010Is there a command line option that will allow less to return to the command line if there are not sufficient lines in the file to warrant paging.
View 1 Replies View RelatedGeneral :: Write A Short Script That Tells Whether The Permissions For Two Files Whose Names?
Apr 4, 2011Write a short script that tells you whether the permissions for two files, whose names are given as arguments to the script, are identical. If the permissions for the two files are identical, output the common permission field. Otherwise, output each filename followed by its permission field
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