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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47
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2answers
22k views

Ctrl-s hang terminal emulator?

I came across a sentence in vimdoc: Note: CTRL-S does not work on all terminals and might block further input, use CTRL-Q to get going again. and this key indeed hangs my vim. I was ...
3
votes
1answer
100 views

Bind Ctrl+Down in Joe on a Linux console

When I want to select a line in joe editor, I can go to the beginning and simply pres CTRL-Down and this will select the line. I can move somewhere ales and copy the line with CTRL-k-c. The key code ...
2
votes
1answer
185 views

To write this Pseudocode with Regex

I am doing a Makefile which I run regularly by Crontab every day at 0230 crontab -e; 30 2 * * * /bin/thePseudocode Python-like Pseudocode directories = ["Cardiology", "Rheumatology", "Surgery"] ...
3
votes
2answers
64 views

Modular $TERM for different terminal emulators

Is there a way to set different $TERM for different terminal emulators. For example if I am in xterm the $TERM will read xterm-256color, in urxvt urxvt-256color, in sakura xterm-256color and in tmux ...
2
votes
1answer
486 views

How to remove specific lines from a file?

I have a file (ip.txt) that contains ip rules /sbin/iptables -A INPUT -p tcp -s 140.237.4.252 -j DROP /sbin/iptables -A INPUT -p tcp -s 143.227.5.22 -j DROP /sbin/iptables -A INPUT -p udp -s ...
3
votes
1answer
546 views

cannot create special file /dev/pts/0

When using midnight commander in console, I cannot "toggle" the window (using CTRL-o Not an xterm or Linux console; the panels cannot be toggled however, my $TERM is set to linux. After some ...
4
votes
2answers
58 views

Long start time of MC due to bash function

I have next bash function to ensure new-lines after commands: user at terra in ~ $ echo "m" m user at terra in ~ $ echo -n "m" m↵ And the function itself in a .bashrc: function prompt_command { ...
2
votes
1answer
154 views

Why doesn't Ctrl+R do anything in Ubuntu's terminal? [closed]

The keystroke Ctrl+R is important to me because it's the redo command in vim. However, it seems to do nothing at all in Ubuntu's terminal. When I press Ctrl+V and then Ctrl+R, nothing is registered at ...
1
vote
1answer
86 views

exec -t is invalid

I made an rpm that installs a .run file and whenever I run the rpm and the rpm tries to execute the .run file I keep getting the error that exec -t is an invalid option at the following lines of code ...
29
votes
4answers
3k views

What are the responsibilities of each Pseudo-Terminal (PTY) component (software, master side, slave side)?

I am trying to figure out how a tty works1 (the work-flow and responsibilities of each elements). I have read several interesting articles about it, but there are still some blurry areas. This is ...
19
votes
2answers
1k views

Are the terminal color escape sequences defined anywhere for bash?

I've used every so often colors in Bash scripting (mostly on CentOS), but to make their usage more convinient I end up redefining variables to color values: local GRAY="\[\033[1;30m\]" local ...
2
votes
1answer
136 views

Tmux: how do I bind to C— (control-minus)?

I'd like to bind to control-minus in my .tmux.conf but it doesn't seem to work: bind C-- split-window -v Is this possible?
1
vote
0answers
59 views

How does a terminal emulator work [duplicate]

I never really understood how a terminal emulator (be it e.g. XTerm or the Linux virtual console) works. What transformations happen to the input (key up/down events) to produce the output (usually ...
6
votes
2answers
350 views

Copy a long single-line text from a terminal with undesired change-line

locate ... | less outputs a long path, which is shown as several lines in the terminal, although it is actually a single line. I copy the path from the terminal by selecting the text with mouse and ...
0
votes
0answers
14 views

Terminal output from a program not opened in terminal [duplicate]

Using bash on Ubuntu, I can launch programs from command line and watch what the program is doing 'in the background' while I use the GUI frontend. This is particularly handy when a GUI progress bar ...
1
vote
1answer
50 views

ag output appears different in the terminal vs when piped to a file

When I run the ag command to search text files, I get output that looks like this on the command line (full results not shown): ❯ ag dependency 140317155505.md 27:The Bundler dependencies API ... ...
2
votes
2answers
155 views

Non-printing escape sequence: when?

Recently, I have been playing around a lot with color in the terminal and, therefore, with escape sequences, too. I've read the relevant parts of the Bash manpage along with numerous helpful pages on ...
5
votes
1answer
113 views

Printing to an X terminal faster than printing to tty?

In Linux Mint 17, I was testing the printing speed of the default ttys versus the speed of a mate-terminal running on Xorg. To test the speeds, I generated a random file: dd if=/dev/urandom ...
0
votes
0answers
77 views

How to suppress label hover-over path display in MobaXterm (or Xterm generally?) of file being edited

I am using a great free package called MobaXterm [ http://mobaxterm.mobatek.net ] on Windows to access linux systems via SSH. With this I often find it useful to flip between two tabs to visually ...
1
vote
0answers
28 views

Set numer of rows for gnome-terminal or other emulators

I'm aware there exists stty, which allows to set number of rows in a virtual console, such as tty1. However, this does not seem to work with gnome-terminal or xterm. The question therefore is, how ...
1
vote
1answer
210 views

Neither `less` or `less -X` clear screen on exit

Neither less or less -X clear screen on exit. At the same time, vim does.... Env iTerm2, protocol mosh, server Centos + tmux + zsh iTerm2: report term as xterm-256color tmux: set -g ...
1
vote
1answer
157 views

How do I switch from bash to zsh? [duplicate]

I can start zsh with zsh. How can I make it be the default for new terminal windows? Will it be ok to copy my .bashrc to .zshrc to get things like my customized PS1 prompt.
1
vote
0answers
31 views

Is there a version of script that plays nicely with vim?

man script says: Certain interactive commands, such as vi(1), create garbage in the type‐ script file. Script works best with commands that do not manipulate the screen, the results ...
3
votes
4answers
228 views

is there a pastebin service that supports terminal escape sequences?

Is there a pastebin service that supports colors? I understand some of them have syntax hilighting, but I'd like to do arbitrary coloring, preferably using the terminal escape sequences. Example, i'd ...
1
vote
1answer
114 views

Some letters on gnome-terminal can't be typed by specific user

I have a very strange problem on my Ubuntu 14.04 machine. I can't use some letters like r and i in gnome-terminal. Note: when my CapsLock is on I can type R and I in terminal. The problem on my ...
1
vote
1answer
109 views

Send specific signal number with specific key

I want to set a specific key like F12 to send me a specific signal number that out of linux signals range that I can handle this signal with trap command. How can I do that? NOTE: I'm working with ...
2
votes
1answer
7k views

make: *** [all] Error 2

I tried to install a decompiler on my macbook, but the terminal returned errors below. ouekihodos-MacBook-Pro:radare2 LewisWang$ gmake /Applications/Xcode.app/Contents/Developer/usr/bin/make -C ...
0
votes
1answer
107 views

Can I get my iTerm key-combos working in tmux?

I have some shortcut keys defined in iTerm, and I use them for key-mappings in Vim. For example, I map Ctrl-Enter to send a ^[O2P escape code, which I then use to define a Ctrl-Enter key-mapping in ...
3
votes
2answers
103 views

Shell loses keypresses when running SSH in the background

I'm experiencing a bizarre problem with SSH + Bash + Terminal.app: when SSH is run in the background, the shell appears to randomly lose keypresses ~50% of the time. For example, if I run: $ ssh -N ...
3
votes
0answers
189 views

Hex codes for input key combinations

In iTerm2 one can setup keyboard shortcuts so that for a given input sequence, iTerm2 sends a specific hex code to the terminal. What exactly are these hex codes? And how can I identify a hex code ...
4
votes
1answer
352 views

vi setting for new window

I'm using Terminator for my terminal emulator. Whenever I open it, the initial workspace comes with the setting I defined in the config file. But whenever I split the workspace, the new workspace ...
1
vote
1answer
126 views

Use PSF font in X11 terminal emulator

I want to use a specific console font (/usr/share/consolefonts/Uni3-Fixed16.psf.gz) in a X11 terminal emulator (for example Terminator or gnome-terminal). I've stumbled over similar questions, but ...
0
votes
0answers
113 views

Mac Terminal: Scroll up and down in screen mode

I am in screen mode and I am outputing results that are too long to read through even using Ctrl+a + [ + Up / Down Arrow Key. Is there a way that I can scroll up and down using the mouse in screen ...
0
votes
1answer
496 views

Terminal: termcapinfo command not found

I added the following line to my .screenrc script such that I can use my mouse to scroll up and down in the terminal when the output is too large and long. However, when I try to source .screenrc ...
1
vote
2answers
4k views

Turn off --skip-grant-tables in MySQL

I'm pretty new to using Linux but am setting up my MySQL databases on an Amazon ec2 instance. I followed some directions I found about resetting the user login pass by using the --skip-grant-tables ...
3
votes
3answers
724 views

How are “xterm” and “screen” related?

I am not quite sure if there is any subtle or wide differences between screen and xterm. I have used screen before and had it being described as kind of like a multiplexer and have tried xterm a few ...
0
votes
0answers
198 views

Terminal freezes after using tar or gz

On Linux within bash the Pseudo Terminal window (terminator) as well as the Terminal itself "freezes" when trying to use autocomplete (TAB) as well as after getting an error message using gzip and ...
1
vote
0answers
756 views

Load a background image or set the background color if Konsole/Shell is running SSH

I want to set my laptop to load an image in the shell's background or set the background color to red if I'm connected via SSH. How can this be done? With a bash function in .bashrc? I have: Set the ...
17
votes
5answers
14k views

view stdout for another pts

Here is the situation. I left my pc at home doing an rsync from a 2TB hard drive to another 2TB hard drive (it's going to take a while since they are both USB 2.0). I am now at work and I have ssh-ed ...
7
votes
1answer
593 views

Suse 11 vs. Suse 10 difference impacting terminal colors?

I have my dotfiles versioned on github (shameless fork of other people's fine work). At work, I have them on a central linux server (SuSE Enterprise Linux 10). I rsync them from a central management ...
2
votes
0answers
110 views

How can you get the current terminal line (the one that is still editable by the user)?

I need a way to use the current line which the users typed into as variable for a shell function. my current code, which can be called by ctrl+r zle -N search bindkey "^R" search search () { read ...
13
votes
2answers
6k views

Force GNU screen to reflow to current terminal width on reattach?

I would like to force GNU screen to reflow to the existing terminal width when I reattach a session. It seems to me this worked properly before I upgraded a machine to CentOS 6, but I cannot figure ...
1
vote
2answers
62 views

Confusions mitigation while working similar environments in multiple servers

I often have to open multiple ssh sell terminals of remote servers together., eg. Dev and test. These paths and applications are exactly similar. And I am often confused if I run a particular command ...
0
votes
2answers
43 views

Configure distant terminal behaviour

I just installed debian 7 on a VPS, created users, configured ssh ..etc The problem is that the terminal application changed its behavior just after connecting with my new username: Autocompletion ...
2
votes
2answers
3k views

Sublime command line open it twice

I just created a symbolic link to sublime: $ sudo ln -s /opt/SublimeText2/sublime_text /usr/bin/subl The problem is that it opens the last project and the open I want: $ subl my-project or $ ...
0
votes
0answers
229 views

Seeing SSH debug messages in Terminal/console

I am seeing "debug3: Received SSH2_MSG_IGNORE" appear in the terminal on a RHEL 6 Linux server. I thought maybe rsyslog had a console entry, but it doesn't. sshd_config has logging at AUTHPRIV, and ...
171
votes
3answers
89k views

How to unfreeze after accidentally pressing Ctrl-S in a terminal?

It's a situation that has happened quite often to me: after I press (with a different intention) Ctrl-S in a terminal, the interaction (input or output) with it is frozen. It's probably a kind of ...
0
votes
0answers
14 views

Determin if the currnet terminal has a dark or light theme [duplicate]

I have several (Bash) scripts that uses ASCII color codes. They look good on my dark themed terminal, however on my colleagues light themed terminal the colors I selected don't look that good. Is ...
1
vote
0answers
83 views

Broadcast messages don't appear on gnome-terminal, but appear on xterm

I'm curious about the behavior of broadcast messages by $ sudo wall myfile the message from myfile appears on all /dev/ttyN devices (the ones to which I can switch by pressing Ctrl+Alt+fN), it also ...
4
votes
1answer
2k views

Error with gedit can't save any file

meraj@meraj-SATELLITE-C850-A785:~$ sudo gedit /etc/php5/apache2/php.ini (gedit:16243): Gtk-WARNING **: Calling Inhibit failed: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name ...