Tagged Questions
3
votes
1answer
138 views
Confused about Debian error message from su
On Raspbian, the Debian distro aimed at RPi, I end up getting the following error:
$ sudo su -l root -c /bin/bash
bash: cannot set terminal process group (-1): Inappropriate ioctl for device
bash: no ...
1
vote
2answers
46 views
How to install tar file (jhead) on Mac or Linux machine
I'm new to Linux and tar balls and was wondering how to properly install them on a Mac or Linux machine. I would prefer to know how to install on a mac but I just need some help understanding them. I ...
11
votes
1answer
696 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 ...
0
votes
1answer
102 views
Why does my terminal open the Mint documentation page automatically?
I'm using Linux Mint, today I have a very strange behavior of my terminal. When I type "space" in the keyboard, it opens automatically the page http://www.linuxmint.com/documentation.php and then I ...
10
votes
1answer
400 views
Why don't Linux terminal emulators support full colors?
I just upgraded my gnome-terminal to use 256 colors, yet I am a bit puzzled on the reason why a terminal emulator can't support the full palette any modern desktop environment provides. I guess ...
4
votes
0answers
67 views
why . and .. are listed when ls -a command executed? [duplicate]
When I execute the ls -a command, all files and folders in that directory listed, as well as . and .. are listed too.
Why is that? Are they a file or folder?
1
vote
1answer
445 views
Endless data loop from dev/ttyUSB while sending AT commands
I have problem sending AT commands to my USB modem.
At first I tried php-serial class, but when i was reading data, I got endless loop with strange data. Then I tried to debug problem and opened putty ...
4
votes
1answer
442 views
Is it possible to boot an x86 Linux kernel using both 80x25 text mode consoles and VESA framebuffer consoles?
The Linux kernel documents that you can choose to boot Linux with VESA framebuffer consoles instead of the default 80x25 text mode consoles.
For text application testing purposes, one may need both ...
2
votes
1answer
97 views
What's those underscore commands?
When I tab tab _ in terminal, Bash suggests 206 posibilities. I tried to run one of them _git_rm but nothing happend, what are they?
Here is a screenshot:
3
votes
3answers
299 views
clear command in Konsole
I know about the Linux clear command, but it just moves the previous output from the visible part of terminal window (KDE Konsole). I can still scroll up and see all previous text. Is there similar ...
5
votes
1answer
82 views
Why are multiple command-line terminal consoles available/running at the same time on RHEL systems?
I'm studying for the RHCSA and am trying to wrap my mind around a seemingly basic concept: terminal consoles. I don't understand how/why RHEL systems make 6 terminal consoles (/dev/ttyN) available ...
1
vote
1answer
100 views
Can I use xterm to read/write to a pts without spawning another process (e.g a shell)?
I have a process which reads and writes to a pseudo terminal. I would like to open xterm and have it open a pseudo terminal and leave it open so I can communicate with this process without creating ...
24
votes
1answer
428 views
What happens when Ctrl + Alt + F<Num> is pressed?
I am looking for an explanation of what happens in Linux when this key combination is pressed to change the current terminal. In particular, what software component intercepts this key combination and ...
1
vote
0answers
63 views
How to setup an audio/sound output monitor/listener?
I am working with an Arduino and am trying to get it to respond to sound when it is played on my computer. I'm communicating with it over a serial port.
I need to know if there are any audio/sound ...
2
votes
3answers
119 views
Linux GCC compiler options
I have recently started using Linux as a tool for programing. In my book, I have seen that the GCC is used with 2 options: -g and -o. Now, I know that -o is to set a filename, but what is the purpose ...
