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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2
votes
1answer
36 views

Why does the `users` command return different users depending on whether I ssh or open a new terminal?

How does users define what users are logged in? If I ssh into a box twice, I see my username twice listed if I execute users. However, if I create a new login shell via sudo su -, I do not see root ...
0
votes
0answers
11 views

Synchronize strings copied on vim with the xserver clipboard [duplicate]

How to copy a string in vim under terminal and get it available in the main clipboard? Seems that by default, is not possible to copy from vim to my browser, for example
3
votes
1answer
32 views

sudo command inside heredoc block in a ssh session is not working

When i use heredoc and put all the commands inside heredoc as, ssh -t -i master.pem cloud-user@$1 <<EOSSH sudo service x restart sudo service y restart EOSSH it throws error as, ...
0
votes
0answers
25 views

tmux doesn't resize with terminal window

When I resize a terminal window containing a tmux session, tmux doesn't detect this change, but continues to function normally within the old window boundaries. tmux ls shows no other attached ...
0
votes
1answer
26 views

gnome-terminal broke after adding command to initialize

I just broke my gnome-terminal. At the options I tried to force my terminal to open with 256 colors adding the command: export TERM=xterm-256color but now my terminal open and exits immediately. ...
0
votes
0answers
7 views

Keyboard's Control key detected as Primary

I use ArchLinux 64-bit, with these apps: xfce4-panel 4.12.0-1 xfce4-session 4.12.1-2 xorg-server 1.17.1-7 xorg-server-common 1.17.1-7 xorg-server-xwayland 1.17.1-7 xorg-setxkbmap 1.3.1-1 xorg-xauth ...
5
votes
3answers
204 views

How to display commands in a different terminal?

I have a raspberry pi with a screen attached to it. It boots up to a login prompt. I have no keyboard and no mouse attached to it and would like to keep it this way. I proceed to login to it via ssh ...
0
votes
0answers
18 views

Serial Console Log Redraw Characters [duplicate]

We have a server in our infrastructure that logs all serial output of devices. One of the main issues we experience with it, is that sometimes we get output that is virtually unreadable due to the ...
3
votes
1answer
111 views

terminal color theory

TLDR: What is the theory behind terminal colors? I have a fixed value of LS_COLORS in numbers: ...
3
votes
2answers
73 views

preventing terminal prompt from being overwritten by program output

Suppose I run a command like this in the terminal: ~$ echo 'sleep 2; echo "hello!"' | sh then start typing the next line. After two seconds the words "hello!\n" will be inserted into whatever I'm ...
5
votes
1answer
65 views

How to scroll up after a kernel panic?

While tinkering with a Linux VM I regularly get kernel panics, that push up all the helpful output with stuff I don't understand and that is probably not helpful to me. The panics mostly occur during ...
0
votes
0answers
33 views

How can I update or upgrade BOSS Linux by terminal?

I use EduBOSS Linux 3.0. Since installation I still not update my OS. But I want to solve some Audio, Video and Graphics problems. To solve that problems I want update my BOSS Linux. How can I ...
5
votes
2answers
93 views

How are terminal length and width forwarded over SSH and telnet?

When I view the length and width of my terminal emulator with stty size then it is 271 characters long and 71 lines tall. When I log into another server over SSH and execute stty size, then it is also ...
1
vote
1answer
20 views

keyboard shortcut for terminal opens and instantly closes terminal (konsole)

After upgrading to latest Kubuntu 15.04 my keyboard shortcut ctrl+alt+T no longer works. The konsole window opens and instantly shuts down. Different keybindings dont work either. Other shortucts like ...
0
votes
1answer
56 views

Compile OpenBroadcaster on Debian

Trying to compile obs on debian like here described: https://github.com/jp9000/obs-studio/blob/master/INSTALL gives me this error: Linking C shared library libobs.so /usr/bin/ld: ...
0
votes
1answer
62 views

What does this ls command do? [duplicate]

what does this command do if it was executed in my current working directory that has files in it? ls 2> result I think whatever ls writes will be redirected to the result file? Is that correct and ...
-6
votes
1answer
44 views

Find Command: display the file numbers [closed]

I have a couple of questions about the find command. How to show how many files and directories(only the result numbers) within the /var directory (and below) are owned by someone other than you or ...
2
votes
1answer
54 views

What happens step by step when using “rm -rf directory”? [duplicate]

Let's assume that I have 150 GB of data in a directory and I have accidentally run this command for a directory. Suddenly I realised, I should not put "/" in the beginning of directory and I ...
5
votes
3answers
226 views

cssh: change terminal from xterm to terminator

I would like cssh to use terminator terminal emulator, instead of the default xterm. In ~/.clusterssh/config I have changed the following line: #terminal=/usr/bin/xterm terminal=/usr/bin/terminator ...
2
votes
2answers
61 views

What allows a command to be typed while the previous command is still running in foreground?

Sometimes I have seen when one program (say A) is running in the foreground and printing its output to stdout, I can type another command (say B), and when I press Enter it is run, even though I had ...
0
votes
0answers
13 views

Changing from bash-4.3$ to [user@hostname currentfolder]# [duplicate]

I'm tring out different linux distros. I've settled on Fedora, but I'm a bit confused. On my other distros, my terminal would open up with a [user@hostname currentfolder]# before each prompt. Now I ...
0
votes
1answer
110 views

sudo apt-get update doesn't work

I am using ubuntu 14.04 LTS. when I run sudo apt-get update command in terminal, following error will appear E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) ...
1
vote
1answer
34 views

Resizing the terminal window for ipython command prompt

I am using the OS X Terminal (I know, not Linux or Unix, but hopefully that's irrelevant here) for a number of operations, and commonly use nano to quickly edit files. In doing so I often resize the ...
1
vote
1answer
44 views

Why is sudo slow when I mistype my password? [duplicate]

If I'm asked for the sudo password, after typing it in correctly, the terminal moves on almost instantaneously. However, if I mistype my password, it takes a few seconds before working it out and ...
6
votes
1answer
118 views

Terminal does not accept pasted or typed lines of more than 1024 characters [duplicate]

When I enter text on stdin in an OS X Terminal, a single line is limited to 1024 characters. For example, cat > /dev/null beeps after I type (or paste) a line longer than this, and refuses to ...
2
votes
2answers
237 views

How can I import new Unix commands on my OS X Terminal?

There are a number of Unix commands which do not work on my OS X Yosemite 10.10.3, Terminal Version 2.5.3. For instance, I often use this cheatsheet of Unix commands: ...
1
vote
1answer
31 views

LS_COLORS for 256-color terminal

I thought ls colors are defined as <file_type>=[<bg(40-47)>];<font_spec(0:5)>;<font_color(30-37)> but, I recently found this where there are more colors and colors are ...
2
votes
0answers
43 views

Terminal pty name according to the source IP address

Is possible to have some Unix (either just in Linux) 'engine' mounting the pts'es (terminals) names according to their IP (socket) source ? In the past we could map each physical ports to its tty ...
1
vote
1answer
39 views

Malloc error after running chown -R on /usr/

I'm running Yosemite on a macbook air. I was following the suggestions after running brew doctor which told me that usr/local did not have write access. It told me to run chown on a bunch of ...
0
votes
1answer
42 views

page up and page down alternative for horizontal scrolling in less

In vertical scrolling using less the page up and page down keys are working. Which keys scrolls one page down/up vertically? The less was started with -S option.
4
votes
1answer
500 views

Ping doesn't work, but I can browse through the internet

Pinging my default gateway is working properly and I can browse google and facebook in my browser. But, ping google.com and ping facebook.com on my terminal are not working. PING google.com ...
1
vote
2answers
74 views

Run commands “without” terminal [closed]

Months ago I saw a guy running commands from a small, text-box-like window, showing nothing else other than the text-box for you to write the command. Such text-box would popup by pressing some ...
2
votes
1answer
62 views

Bind C-i and TAB keys to different commands in terminal applications via .inputrc

For what I have tried, "TAB" and "C-i" in .inputrc seems to mean the same thing, whatever I bind to one is bound to the other. I know that originally, it was the same thing and that this behavior is ...
0
votes
2answers
33 views

Where can I find the speciation that a terminal emulator must meet?

I'm interested in writing a terminal emulator for fun. I roughly understand the division of labor between the shell and the terminal emulator from this post: What is the exact difference between a ...
1
vote
1answer
66 views

White terminal cursor and yellow Vim searches

I have a blinking block cursor in the XTerm. The goal is to always be able to tell my current position. It usually works fine, but it fails when I place my cursor on a background similar to the cursor ...
2
votes
1answer
55 views

change terminal appearance according to server

I have 2 different serves (all running Linux) to which I connect via ssh . After login all terminal background looks same. I want to have different color theme or background for different servers. For ...
0
votes
1answer
54 views

csh: Terminal inherits environment variables from an unknown location

I'm on a shared machine running CentOS 5.10 that I log onto using VNC from Windows 7. Our default and official shell is csh. Every time I open a new terminal, I have three particular environment ...
6
votes
2answers
754 views

bash - why does \x0d\x20 erase the line

This is the view from gedit editor: and the view from vim editor: I then try to grep it, it did grep successfully if i put Log instead of Tog, but the output is corrupted: [xiaobai@xiaobai grep]$ ...
1
vote
2answers
75 views

Show output of a command run inside screen if it exits with errors

I am using the screen command for starting server running in foreground. But in case there is an error when starting server I am not able to see the output of command. I have to run it again without ...
1
vote
1answer
31 views

Spawn another terminal running tmux (from a terminal running tmux)

I'm currently using urxvt with tmux, run as such: urxvt -e tmux I wish to start up a completely separate instance of urxvt -e tmux (another urxvt, also running tmux) using the terminal. (More ...
1
vote
1answer
90 views

Save all the terminal output to a file

Is there some way of saving all the terminal output to a file with a command? I'm not talking about redirection command > file.txt Not the history history > file.txt, I need the full terminal ...
-2
votes
1answer
61 views

I am using Kali Linux, but however, I want to know how to switch my normal user account into root admin?

I want to know how to switch my normal user account into root admin? For example, when I log into my account I cannot modify and save sources.list from etc/apt/folder nor can I get an update for ...
0
votes
1answer
38 views

Build gdal with mrsid plugin on fedora 21 server

I've been having an issue for over a week now. The problem is, I can't build gdal source with MrSid DSDK on Fedora 21 Server. I have built and installed gdal with MrSid on Fedora 21 without any ...
2
votes
4answers
188 views

Recovering Invisible screens and dropdowns on linux

The terminal has gone invisible , although I can type commands and they get executed: Even some firefox download dropdowns are invisible, I can click the items in the drop down list but the list ...
0
votes
1answer
85 views

Why my terminal screen crashes?

Sometimes my system gets freezed, after that my icons looks crashed and the terminal fonts are also crashed Whenever I restart it looks normal, how to fix this?
0
votes
1answer
35 views

pager “less”: --quit-if-one-screen without --no-init [duplicate]

I can't get less --quit-if-one-screen (-F) working without --no-init (-X). less --quit-if-one-screen /proc/uptime I see no output. This works: less --quit-if-one-screen --no-init /proc/uptime ...
1
vote
1answer
48 views

How should look script that launches program on startup

I want program rescuetime to be launched when computer loads. I've found that for this task script should be created in /etc/init.d/my_script and this lines to be entered to console chmod 755 ...
4
votes
0answers
61 views

rm -rf ~/.Trash/* doesn't work, Mail Attachment.eml:OECustomProperty unable remove

I'm on OSX10.10.3, I've had a file in my trash for about 6 months or so. I have a file in my trash, 2 actually. That are from my mail cache that I dumped since I don't have the space on my SSD for my ...
1
vote
1answer
83 views

Host linux distro without GUI?

I saw this video on Youtube: Run Kali Linux on Android The phone uses the app: Linux deploy, which uses the phone to host the distro, but there's is no GUI. The only way to connect to Kali, is by ...
0
votes
1answer
26 views

How to change the key repeat interval?

How can I change the key repeat interval in FreeBSD? I'm talking about when you hold down a key, and the terminal repeatedly registers key presses for that key. I'm having a problem where if I type ...