A terminal is an environment for text input/output. Inside the terminal, one runs command-line and text mode programs (including shells).

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3
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3answers
156 views

Starting a process from one terminal from another terminal

I was wondering of there is any method to start a new process or a program from one terminal into other. What I mean is: Let's say I have to run gedit abc.txt, but I don't want it to block my current ...
4
votes
1answer
28 views

What does “mouse reporting” mean?

Today I saw a description on iterm2's doc about its tmux integration. It says: To adjust split panes, you have to enable mouse reporting, even if you don't want it otherwise. What does mouse ...
3
votes
1answer
27 views

Why does my application die without nohup?

I have a simple system (running on Debian) that works by invoking a script from /etc/init.d/rc.local At the bottom of rc.local I call myScript.sh who sets up some things, and then starts a binary ...
3
votes
3answers
512 views

How to undo in spreadsheet calculator sc?

spreadsheet calculator sc is a very old console-based program. It does what the name says. I cannot find how to undo an operation in its man page. I currently use it together with RCS, ie. manually ...
97
votes
7answers
12k views

How to kill a runaway cat?

Many times I accidentally run the cat command on files that have contents up to few thousand lines. I try to kill the cat command with Ctrl+ C or Ctrl+Z, but both only take effect after the total ...
0
votes
0answers
16 views

Apticron fails to send emails

I'm running Debian I've set up ssmtp as my MTA and this works perfectly I can send mail using both mail and mailx (which apticron uses) BUT... When I run sudo apticron I get: send-mail: RCPT ...
0
votes
0answers
15 views

Configure FreeBSD pf firewall (non GUI) for beginner

I am running Mac OS X 10.10, but my research has led me to the understanding that the particular flavor of pf was ported from FreeBSD. I have tried the popular GUI software (IceFloor) but it is a bit ...
0
votes
1answer
34 views

how to write a shell script to run multiple programs

I want to run two programs ssh -f mike@c15-0330-02 'cd /home && nohup Rscript L_1.R> L_1_sh.txt ' AND ssh -f mike@c15-0330-03 'cd /home && nohup Rscript L_2.R> L_2_sh.txt ' I ...
4
votes
4answers
202 views

Make tail not modify the charset of the terminal

In a linux terminal (CentOS) I am using the command tail --follow=name my-rolling-file.log in order to see the logs of my application. Sometimes in the log there is some binary data dumped (I dump ...
8
votes
4answers
7k views

Poor TTY resolution with nVidia driver

The resolution of the TTY1-6 is poor ~ 640×480 Ubuntu 11.10 | Grub2 | nVidia | NVIDIA GT215 Board I went through the process on this site and after the edit the GRUB menu appears in the correct ...
1
vote
2answers
57 views

How are long command lines ( > $COLUMNS ) automatically wrapped to a new line?

There are several points where I/O is passed through, some of which (to my knowledge) are the shell, pty, tty, termios, terminal emulator application. In most terminal emulators, long command lines ...
1
vote
2answers
40 views

how to use ssh command to connect to multiple computers and send different commands to each computers at same time

I need to connect multiple computers to run different programs. For different computers, I need to send them different command. How to use ssh command to connect to multiple computers and send ...
1
vote
1answer
73 views

Using the grep filter

I have a text file with the name "hello.txt" that contains the following two lines: Hello WORLD! Hallo world! When I wrote the following grep -i h[ae]llo hello.txt in the terminal, the output ...
2
votes
2answers
81 views

Passing a bash command line arguments containing #

I am trying to pass pound sign as a command line argument then echoing the argument. When I pass for example 2 # 2 then I echo $1 $2 $3, I assume the terminal will output 2 # 2 but it outputs just 2. ...
0
votes
1answer
10 views

How to redirect output of a 'xterm -hold -e' command

I know you can use tee to log output from a command in a terminal, e.g.: df -h | tee ~/log.txt However, how can I do this with a more complex command like this: xterm -hold -e program arg1 arg2 ...
6
votes
2answers
725 views

Log file visualizer in a Terminal (UNIX) (terminal logging replay)

I need to log in to various servers via ssh, and its a useful thing to log the terminal (even things in smitty menus/AIX and with correct/exact date/time). I already have a solution for this: 0) # ...
1
vote
1answer
228 views

Modify .inputrc to fix Mac Terminal bug with vi mode

I currently have a bug in my Mac's Terminal (I actually use iTerm2 but it's still there), where once I press left arrow after typing, I can't go past the last character. Is there a way I can modify ...
0
votes
1answer
507 views

How to update CodeBlocks in Kali Linux?

I installed CodeBlocks on Kali Linux but I got 10.05 version and I want to update it to 13.12, preferably via terminal. Also I would like to know how to update any application this way.
3
votes
1answer
27 views

Start a single color full screen from the terminal

For testing displays, I need to show a single color fullscreen, and quickly switch from one to the next color. Can this be done from the terminal? Something like this: DISPLAY=:0 color #ff0000
0
votes
2answers
2k views

How to install most recent version of Eclipse via the Terminal

I'm new to Linux and have just been given a VM of Oracle Linux to work with. I need to install Eclipse on it and, after a bit of research, discovered that this could most easily be done with the ...
1
vote
0answers
23 views

What Does the Output of “--help” Mean? [duplicate]

When using the --help option of a terminal program, a lot of output is produced. It usually starts with Usage: and then a bunch of things and brackets and parentheses. My question is, what doe the ...
1
vote
0answers
3k views

I can't open the terminal in Cinnamon

I have Linux Mint 13 with Cinnamon installed, but I can't open a terminal using right click nor using CtlrAltt this is just an issue with Cinnamon, why is that happening? Update I tried to solve the ...
18
votes
4answers
2k views

How to know the “level” of shells I am in?

If I open a terminal like xterm I will have a shell. Then if I use ssh or zsh I will have another "level" of shell. Is there a way to know how many times I have to Ctrl+D or type exit to exit all of ...
1
vote
1answer
18 views

How can I see if termcap or terminfo was used and how to change between them?

When I login to a remote machine (Debian Wheezy in my case) using SSH with Putty (in my case with default xterm), how can I check if the terminal defintion from termcap or from terminfo was used? What ...
9
votes
1answer
116 views

What terminal emulators support tmux control mode?

tmux has its control mode, activated with -CC, to allow the terminal emulator to control tmux. iTerm2 uses this to great effect for allowing tmux windows to appear as separate iTerm windows. Are ...
28
votes
2answers
32k views

How to display `top` results sorted by memory usage in real time?

How can I display the top results in my terminal in real time so that the list is sorted by memory usage?
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vote
2answers
67 views

Mac Terminal - rename *.png.png to *.png

I have a bunch of images that I'd like to rename as follows: *.png.png --> *.png *.jpeg.jpg --> *.jpg *.JPEG --> *.jpg The only thing I've tried thus far is mv *.png.png *.png, but I knew ...
0
votes
1answer
34 views

Local system doesn't forward to intended port defined in OpenShift proxy app

I've set up a proxy server via OpenShift based on this tutorial and used a few days by forwarding my local system's ports to remote app's ports: $ rhc port-forward AppName The result in the proper ...
6
votes
3answers
769 views

Terminal change keys

Is it possible in the Unix terminal to change some of the keyboard keys? For example: when I press , then _ gets printed? If this is indeed possible, how do I go about doing that? I'm on Ubuntu.
0
votes
0answers
21 views

command line tool group chat utility under linux

I am working on mac osx Yosemite. I want to reach to a user under a certain IP address. (It might be local network or thru internet). I want to do it thru terminal using the default tools that ...
14
votes
6answers
14k views

Best way to use a shell with Cygwin in Windows 7

I installed Cygwin, to be disappointed that bash by default runs within "cmd.exe". I googled around and found Console2. It's not a particularly well-designed application, as doing adjustments is ...
0
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0answers
30 views

Swap OS X Command/Control keys without changing bash shortcuts

I originally asked this on Ask Different, but I think since my issue is probably more with bash this would be a more appropriate site. First of all, I know that you can use the System Preferences to ...
2
votes
1answer
48 views

Using ps and watch to observe parent and child process

I got a parent and a child process running, I know their IDs. How do I utilize 'ps' and 'watch' to filter them out, so that I can see their used CPU times? I tried 'watch ps -u USERNAME', but as you ...
4
votes
1answer
54 views

Source Bash automatically in terminal

How can I automatically source a particular bash script when I open a terminal window by right clicking somewhere and choosing "open in terminal"? For example, every time I open a terminal I need to ...
2
votes
2answers
64 views

Can I recover my .bash_profile from an open Terminal tab?

I'm actually using a Macbook Pro, and am quite new to non-Windows OS' (I know, for shame!), and I've made the mistake of overwriting my bash profile, instead of appending to it... (n00b!). What I do ...
1
vote
1answer
49 views

Orphan process's parent id is not 1 when parent process executed from GNOME Terminal

I start a new process from GNOME Terminal and then this process fork a child. But when I killed the parent process the orphaned process's parent id became something other than 1 which represent init ...
3
votes
4answers
551 views

How can I turn the behavior of `gedit sOmEtHiNg & disown` into the default behavior when calling gedit from the command line?

When I gedit files from the command line, it's always locking the terminal, and I'm tired of explicitly commanding a detached process for it. I tried to alias gedit as something like gedit $* & ...
14
votes
3answers
14k views

Scroll inside Screen, or Pause Output

I use screen for my command-line tasks while managing the servers where I work. I usually run small commands (mostly file-system tasks) but sometimes I run more extensive tasks (like DBA). The output ...
1
vote
1answer
29 views

top not working in batch mode: 'dumb': unknown terminal type

I can't get top (top: procps version 3.2.8) to run in batch mode. root@zenitel063a52:~ top -b 'dumb': unknown terminal type. It will run normally in interactive mode (just when calling top). How ...
2
votes
1answer
42 views

Add a static text layer/bar in terminal

I have a script that I use to automatically generate port forwards for SSH, since I am working in several terminal windows across different servers all day, and this checks whether or not the port has ...
1
vote
1answer
44 views

I'd like to run a few terminal commands from inside vim

There are two common things I do when I code something. I either open that file in the browser or run it in node. So I'd like to create a couple of shortcuts inside vim to that effect. I'd like F5 to ...
2
votes
2answers
45 views

How can I select and copy file names in the command line without using the mouse?

Typically, when I want to perform an action on a file I discovered in the terminal after calling [ls], I would have to - with my mouse - highlight, left click, copy file name, type the command in then ...
0
votes
1answer
16 views

Warning message after updating

I have Linux Mint 17 Cinnamon edition and after updating using the terminal: sudo apt-get && sudo apt-get upgrade I got this warning message: ... Building dependency tree Reading ...
13
votes
2answers
9k views

why there are six getty processes running on my desktop?

My desktop system is: $ uname -a Linux xmachine 3.0.0-13-generic #22-Ubuntu SMP Wed Nov 2 13:25:36 UTC 2011 i686 i686 i386 GNU/Linux By running ps a | grep getty, I get this output: 900 tty4 ...
4
votes
2answers
2k views

use mosh without giving up local scrollback / history?

Is there a way to use mosh without giving up the local scrollback? Basically, in some circumstances, IP-roaming is indeed useful and needed, but the extra terminal emulation and key prediction seems ...
9
votes
1answer
683 views

What exactly is scrollback and scrollback buffer?

What are "scrollback" and "scrollback buffer" in programs like bash and screen, and how do they relate to the tty, the programs being run, and stdin/ stdout/ stderr? Here is the only definition of ...
3
votes
2answers
54 views

Yellow appears as brown in konsole

For some reason, the yellow color color (ANSI Esc. code 33), appears for normal fonts as orange/brownish in my terminal (yakuake, konsole). For example, the command echo -e "\\033[33mhello ...
2
votes
1answer
42 views

Can I re-login a disconnected session? [duplicate]

For some network reasons, my previous SSH sessions to server have disconnected. When I create a new session, I find the previous session still exist: [root@localhost ~]# who root pts/0 ...
0
votes
2answers
867 views

open gnome terminal with serveral tabs and execute a few commands in every tab

This is what I want to accomplish: I want to open a gnome terminal with five tabs in it I want to run a set of commands (5 – 10 commands) in each tab automatically First tab: shall set clear-case ...
0
votes
0answers
30 views

Yocto menuconfig not working

For some reason the menuconfig menu does not come up when I try launching it from my Yocto installation. I am using the Toradex Yocto 1.6 system as is described here ...