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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4
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2answers
120 views

Shift-Space in less

In modern web browsers and other software with text content, Space scrolls down more or less a screenful. ShiftSpace scrolls up in everything but less. How can one use ShiftSpace to scroll up in ...
1
vote
3answers
83 views

Terminal: Use different command on previous file

I know that there is the !! command to reuse the previous command. How would one reuse the file or directory specified in the previous command but use a different command on it? Example: I want to ...
2
votes
3answers
760 views

How to open konsole in fullscreen mode?

Is there a command or better yet a setting in the config file to allow me to open konsole (the KDE terminal emulator) in fullscreen mode?
5
votes
1answer
972 views

terminal: displaying special characters

In some programs, such as htop the lines and frames are not displayed correctly. Instead, they are displayed as - and /. But on another machine, they are displayed correctly as proper lines: I ...
1
vote
1answer
958 views

Ubuntu- How do I change clock speed from terminal? [duplicate]

The title of this question pretty much says it all. What command or program do I need to run in order to change the clock speed to a specific value I want? For example, I'm looking for something like ...
1
vote
1answer
412 views

How do I reload ~/.dir_colors?

I copied /etc/DIR_COLORS to ~/.dir_colors because /etc/DIR_COLORS.xterm was being used and colours in ls --color=auto were too dark. Now, how do I get this file to take effect immediately? (i.e. ...
4
votes
1answer
445 views

gnome-open replaced by sublime?

Update: It seems that it has been automatically fixed, however the same applies whenever I try to sudo gnome-open or gksu gnome-open Well, this is a really weird one. I'm currently running Mint 13 ...
0
votes
1answer
72 views

Why this sort command gives me an empty file? [duplicate]

prova1 is a file with some text. When I run this code prova1 become empty: sort prova1 > prova1 I know that to achieve the effect I can do: sort prova1 -o prova1 I would just know the reason ...
14
votes
4answers
6k views

Is there a way to lock command line?

For example, in X session, I can use Ctrl-Alt-L to lock the screen, so it would ask for password to unlock and prevent somebody from messing with mine computer. But if I have an open terminal session ...
0
votes
0answers
25 views

Keyboard shortcut glossary for terminal apps

I would like to be able to fire up any terminal app (including ones I've never used) and see, on my second monitor (which is actually a second iPad running a terminal emulator) a glossary of keyboard ...
1
vote
2answers
231 views

talkd doesn't print a message

I wanted to use talk with my brother (we both have Debian jessie). So i installed inetutils-inetd, inetutils-talk, and inetutils-talkd. Now i wanted to try wether it works. So i created a testuser ...
3
votes
1answer
473 views

Is there something like a lorem ipsum generator?

Is there something like a 'lorem ipsum generator'? I know it exists in Latex, and even in LibreOffice, but I'm looking for a terminal command. I would like to type something like loremipsum 10 ...
3
votes
0answers
110 views

No Login on created on tty2 to 6

On my Debian Linux no Login is possible on terminals 2 to 6. Login on 1 works fine, xorg-session with XDM and awesome wm works, too. The Error Message shown on these 5 screens is: ...
0
votes
1answer
438 views

Linux Mint XFCE, command to launch menu

What is the command that launches the whisker menu in the Linux Mint xfce edition. For another distribution that used xfce it was xfce4-popup-whisker menu but that doesn't seem to work. I would like ...
3
votes
1answer
307 views

python3 traceback error

Whenever I mistype any command in terminal instead of getting Error:Command not found I get this python message error Traceback (most recent call last): File "/usr/lib/python3.3/site.py", line ...
4
votes
1answer
195 views

Idle terminal safe character

I'm using iTerm2 on a Mac to do Linux work. In order to avoid losing terminal connections, I turned on "When idle, sent Ascii code". The default is 0. This works like a charm to keep connections ...
1
vote
1answer
63 views

how to make less -S not take up the entire screen

suppose I have this: cat new_file.txt | less -FRSX Then suppose I press the right button in order to scroll to the right This will cause the contents of new_file.txt to move to the top of the ...
0
votes
0answers
139 views

gdb debugging in Terminal OS X (10.8.5) with zsh - zsh doesn't know gdb

For my studies I have to run a binary unix-program called bomb with gdb. Some time ago I followed the steps on ...
2
votes
2answers
165 views

Is it possible to show mathematical symbols in the terminal?

I want to do some program that can help me to check scientific formulars via terminal. It is possible or not if i want to show mathematical symbols (e.g. integral, diff Greek's Alphabets) on Linux's ...
2
votes
1answer
239 views

how can we know which pts in /dev/pts mapping to which ip address?

Can anyone explain , how can we detect which ssh session belong to which ip address using /dev/pts directory ?
3
votes
1answer
4k views

Search text in command output on a PuTTY terminal

I would like to know how to search particular text on the terminal. If I do cat of log files, I would like to find certain words like job or summary so that I don't have to read through the entire log ...
0
votes
4answers
191 views

How do I store long hostnames list for SSH quick usage?

I have an SSH access to a lot of servers. And all that hostnames (and sometimes usernames) are long and hard to remember. Also even if I tweak my Terminal to keep eternal bash history, the using of ...
6
votes
2answers
598 views

Pushdown Terminal Output

Is there a standard way to reverse the output order of a terminal output, ie: ~/Developer $ command0 -bash: comman0: command not found ~/Developer $ command2 -bash: command2: command not found ...
1
vote
2answers
73 views

How is replaceable text shown in a terminal? [duplicate]

For example after doing apt-get update, it shows Reading package lists... 82% with the percentage changing in the same line. How is that achieved? Is it possible to use it in a bash script?
7
votes
5answers
2k views

How does “top” command show live results?

How can I write a shell script that shows the results in real time? Something like the top command that updates the results after some fixed intervals of time.
5
votes
2answers
630 views

What is the terminal's graphic API?

How can certain programs set background and font colors, write characters to the same location on screen (e.g. to the third row, fifth column) more than once? Some examples are the progress bar ...
0
votes
1answer
107 views

Renaming a Hard Drive

I have a secondary internal HDD to store auxiliary data. I want to give it a better name. How do I do it?
2
votes
1answer
586 views

Mosh: Retain backscroll beyond terminal window height

I'm experimenting using Mosh instead of raw SSH for remote shell connections. So far I like it, but I've become used to being able to page-up or scroll through backscroll in my terminal window to see ...
4
votes
2answers
418 views

Can't apply brightness to terminal's background color

I have a problem with colors in my terminal emulator. I am using LXTerminal as my terminal emulator and LXDE as my desktop environment. The following command is supposed to print red text on grey ...
2
votes
1answer
68 views

How to restore from a scrambled screen?

My screen is scrambled while reading some unexpected chars, It happens in a local tty, so logging out won't help. Any ideas? Hopefully I don't have to reboot
11
votes
1answer
946 views

Ctrl-C does not work with pppd non-detached session

I have a Mini2440 ARM Board, and I have put a base Debian 6.0 system on it using multistrap. I have used tmux to run several processes in defferent windows from /etc/rc.local. I connect to the board ...
14
votes
3answers
3k views

Which terminal type am I using?

I have tested this with both Ubuntu 12.04 and Debian 7. When I do echo $TERM I get xterm But if I use the dropdown menu "help" > "about" then it says gnome terminal 3.4.1.1. Does this mean I am ...
4
votes
1answer
137 views

Keeping sudo authentication with gnome-terminal (zsh)

Can sudo sessions be shared across tabs of gnome-terminal, so that once I use sudo in one tab, I won't have to re-enter my password every time I open another tab and use sudo?
2
votes
2answers
709 views

bash PS1 256 colors with bold

I want to list all colors that I can use in bash console. And after it I want to set my prompt to be bold and orange like color. I'm using this to do listing color codes for me: for code in {0..255}; ...
2
votes
1answer
60 views

Getting IO privileges in Linux

I have installed flashrom software. When i try to run sudo flashrom command it gives me "Could not get I/O privileges (Operation not permitted). You need to be root" error. Also I tried su command to ...
5
votes
1answer
503 views

What's the right value of $TERM for emacs' ansi-term, especially if 'eterm-color' isn't available after SSH?

I'm currently setting $TERM to xterm-256color: if [[ -n "$EMACS" ]]; then export TERM=xterm-256color alias emacs="emacsclient --no-wait" export EDITOR="emacsclient --no-wait" export ...
5
votes
1answer
290 views

A program that runs in a shell (e.g. pine) vs. a shell script

Having a bit of trouble finding the answer to my question, perhaps because I may be asking the wrong question. I understand bash scripts. I write them all the time to do little helpful things ...
0
votes
1answer
282 views

List of 'if' switches anywhere? [closed]

Is there a list of all the if switches for use in bash scripting? Sometimes I see someone using it and I wonder what the switch they're using actually does. Example is the -z in this one. I know how ...
1
vote
1answer
74 views

Scrot command - how to save only thumbnail

I'm using scrot to take screenshots from terminal. However when I want to generate thumbnailed version using parameter -t, I got two files: screenshot.png and screenshot-thumbnail.png. How can I ...
3
votes
2answers
315 views

Ruby update not working using two methods

I tried to install ruby version 1.9.3 with this on my mac 10.6.8: $ \curl -L https://get.rvm.io | bash -s stable --ruby Oskar-Niburskis-MacBook-Pro:~ oskarniburski$ rvm install ruby-1.9.3-p362 ...
16
votes
4answers
8k views

Removing control chars (including console codes / colours) from script output

I can use the "script" command to record an interactive session at the command line. However, this includes all control characters and colour codes. I can remove control characters (like backspace) ...
8
votes
2answers
10k views

List all connected SSH sessions?

I just SSH'd into root, and then SSH'd again into root on the same machine. So I have two windows open both SSH'd into root on my remote machine. From the shell, how can I see a list of these two ...
2
votes
1answer
600 views

Bash Commands not working on Mac

Hello I open my terminal window on Mac Os 10.6.8 as I am trying to update my ruby to 1.9.3 and the terminal gives me this response immediately as I open it: -bash: export: ...
6
votes
3answers
388 views

“Friendly” terminal color names in shell scripts?

I'm aware of libraries in languages such as Ruby and Javascript to make colorizing your terminal scripts easier by using color names like "red". But is there something like this for shell scripts in ...
3
votes
0answers
109 views

“Overlay” a shell prompt on top of a terminal session? [closed]

I have several CLI application ideas that would be nice to run as an "overlay" on top of my terminal session. In other words I would like to superimpose a box containing a real live shell prompt on ...
4
votes
2answers
490 views

Capturing Screenshot of terminal application via shell script?

Problem Run iftop for 5 seconds, capture the screenshot and save it to a file. iftop is a beautiful program for visualizing network traffic, but it doesn't have a batch mode where I can run it for ...
0
votes
2answers
207 views

Commands pasted into terminal are truncated

I have a list of commands I would like to paste into the terminal so that they run one after the other. Initially they run fine, but commands later on are being truncated. Example command: ogr2ogr ...
1
vote
3answers
219 views

How do I pause the output of minicom?

What is the key combination to pause/freeze the output of minicom? At times the output scrolls very quickly and it makes it difficult to analyse some event. I know I could instead capture to a file ...
7
votes
1answer
545 views

Raspberry Pi, serial console, minicom, and gnome-terminal

I'm trying to access my raspberry pi via its serial console on the gpio pins. It's working fine through a USB-3.3v serial dongle. However, there's a problem with long lines and long screens not ...
8
votes
4answers
528 views

Terminal - copy from CLI without using mouse

While firing commands in CLI, I want to copy the command I just fired or anything I wrote in terminal and paste it somewhere else without using mouse. Like in following picture, I want to copy the ...