The command-line is the interactive interface to your shell.

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3
votes
4answers
311 views

List all commands of a specific Debian package

I want to know the commands that a specific Debian package offers me. For example lets say I installed a package called x.deb. This package surely contains some commands that i can use. How to list ...
6
votes
2answers
3k views

What is “Print to File” and can it be used from command line?

When you select "Print to File" in a Gnome print dialog (not cups-pdf): ... what is the actual command that gets executed? (I'm interested in the postscript variant, as on the image) On the other ...
4
votes
1answer
388 views

How can I get less or cat to use color in the output from .cat of my .bashrc, similar to vi 'ing it?

When I vi my .bashrc file it is colorized, i.e. but when I cat or less the file I get all white, i.e. How can I get cat (and less) to have color? cat does have color for my ruby .rb files but ...
0
votes
1answer
127 views

Logging into an RDS session from the command-line

Is it possible to start an xfreerdp session into Microsoft windows from a command-line only install of Linux? The command I use from a full blown Linux install is this: $ sudo xfreerdp ...
3
votes
1answer
245 views

Change script to use whiptail instead of zenity

I'm having difficulty converting some zenity based script to use whiptail instead. The working script looks something like this: #!/bin/bash xfreerdp /v:farm.company.com \ /d:company.com \ ...
3
votes
1answer
624 views

setting output of a command to a variable [duplicate]

How can I put the output of head -15 textfile.txt to a variable $X to use it in an if command like this: if $X = 'disabled' then ?
0
votes
2answers
371 views

Unable to access a folder through group permissions

In order to secure data on my webserver, I have moved the PHP includes to a folder called /var/www-includes (outside of /var/www, the server root). I also ran chown root:wwwadmin and chmod 770 on that ...
0
votes
1answer
68 views

Is there any command to list all related files and folders to specified file in macosx?

I have many ctags in my macosx. When doing which ctags, it gave me /usr/bin/ctags. But I also want to know where is all related folders and files to this /usr/bin/ctags Any useful command?
15
votes
5answers
12k views

How can I see dmesg output as it changes?

I'm writing a device driver that prints error message into ring buffer dmesg output. I want to see the output of dmesg as it changes. How can I do this?
0
votes
1answer
150 views

arm-linux-gcc command not working

I have installed the following : yum install gcc-arm-linux* but when i am trying to run the following command: ./arm-linux-gcc it is giving the output as: ./arm-linux-gcc: no such file ...
4
votes
1answer
502 views

What's the difference between \b and \< in the grep command

In the man page of grep, I see The symbols \< and \> respectively match the empty string at the beginning and end of a word. The symbol \b matches the empty string at the edge of a ...
1
vote
0answers
32 views

How to correctly set kernel command parameter for sdboot

Thease are the kernel command line parameter Kernel command line (user set) root=/dev/mmcblk0p2 rw rootwait console=ttyPS0,115200 I am trying to run linux from sd card, and the file ...
2
votes
1answer
297 views

How to talk to geoclue through its dbus interface?

I'm trying to better understand what geoclue does, and how to gain information from it. From my understanding, it can be accessed through it's dbus interface to find geographic information about the ...
4
votes
2answers
350 views

Is there a way to 'tee' input to a program or script?

I'm trying to find a way to use an input file for a program in such a way that I can also use stdin. For example, say I have a SQL script that creates a table. I invoke it like this: mysql -p ...
1
vote
2answers
79 views

Incorrect output from cp, rm, and so on

When I run, say, cp, I get output like the following: # cp -v Foo Bar âFooâ -> âBarâ What's up with the weird â characters? Why is the shell doing this? It looks like some kind of strange ...
0
votes
1answer
69 views

Does the unix calendar program `pal` support line breaks?

The unix program pal is one of a variety of command-line calendar programs. Based on the man page, each line refers to an event, and it does not mention event descriptions that span multiple lines at ...
2
votes
2answers
11k views

How to fix non-responsive Ubuntu system?

I use Ubuntu. Sometimes, the system does not have any response with mouse and keyboard. Is there any way to solve this problem except hitting the reset button on the machine?
3
votes
3answers
3k views

MySQL Linux Client Timeout/Keepalive

Is there a way to set a keepalive in the command-line MySQL client on Linux? Our network recently moved to a VLAN setup, and our systems department no longer has control of the firewall. The ...
5
votes
1answer
121 views

Lightdm service - contradictory results for `status` command

When I run in my gnome-terminal: service lightdm status everything looks OK and it is as expected: lightdm start/running, process 1221 But when I run: service --status-all 2>&1 | grep ...
2
votes
4answers
297 views

How much disk space does a list of files use

How can I find how much disk does a list of files uses? I'm looking for a variation of du -s *.sql I want to see only the grand total, and with the command above, it always shows a line for each ...
10
votes
2answers
1k views

Command line prediction

I've found an interesting paper: Predicting UNIX Command Lines about command-line prediction (based on user past activity), and I wonder if any actual implementation of such thing exists?
0
votes
2answers
623 views

How to display technical codec info for a FLAC file?

Given a .flac file, how is it possible to query and display the technical info relating to the codec? I looked into man flac with no luck (the --analyze output is not humanly parseable). I'm ...
0
votes
2answers
60 views

Prompt when copying multiple files?

When copying multiple files from one directory to another is there a way to get bash to run through each file and ask for y/n? I vaguely remember adding something to the end of my command like 'ok?' ...
9
votes
3answers
491 views

How to execute a command repeatedly with different arguments?

I'm on Ubuntu. I copied some arguments (separated by newline) and I can use xsel to print them out like this $ xsel arg1 arg2 arg3 arg4 ... Now, I want to use each of these arguments for another ...
0
votes
1answer
52 views

How to issue a warning to administrator (when the administrator issues a system restart) when user has process running

Background I work on a development team and for each project we have a different server setup to emulate the environment of our customers. It can be hard to keep track of what I was doing on each ...
1
vote
2answers
319 views

MediaTomb fast image resize

The goal is to setup MediaTomb to (almost) instantaneously resize a 4-7MB jpeg from its original 8 or 12MP resolution down to somewhere about 1280x* so that it can be viewed on a mobile device. ...
1
vote
1answer
209 views

How to extract the Nth file using 7-zip

I have an archive which, for reasons beyond my comprehension, contains 900 files all with the same name. That means that if I ask 7zip to extract them all, at the end there is just one file. The ...
1
vote
0answers
272 views

How to use fslint (in particular findnl) on the command line to actually mimic the behavior of the fslint-gui?

So I am trying the fslint tools. However, the help included in those tools as well as the man page don't indicate that the cleanup actions offered by the fslint-gui are also available through fslint ...
1
vote
1answer
485 views

How to alter stored procedure in a MySQL database using the Linux command prompt?

I want to alter the stored procedure in my server machine. I'm uploading the codes via SSH Linux command prompt, I need to alter an existing stored procedure in my server. I don't have c-panel or ...
18
votes
4answers
20k views

How do I make multiple directories at once in a directory?

I know with mkdir I can do mkdir A B C D E F to create each directory. How do I create directories A-Z or 1-100 with out typing in each letter or number?
0
votes
2answers
128 views

Using an email without email services

I know that I can send email with the mail command. Something like echo “Hello world” | mail -s “Hello world” foo@bar.com would do the trick. But, given that I and a partner are online, how can we ...
13
votes
2answers
8k views

Add album-art cover to mp3/ogg file from command-line in batch mode?

I am looking for a software in Linux, that will add the album-art/cover to each of the selected files in batch-mode. The album art is a jpg/png stored in my computer. It will be awesome if it can ...
5
votes
1answer
378 views

How to access the Evolution calendar data from the command line?

I want to be able to access the Evolution calendar from the command line. Specifically, I'd like to be able to: List calendar events (the one-line summary, date and time is enough) Upcoming events ...
1
vote
0answers
86 views

/bin/ and /usr/bin Command Tutorials [closed]

Let me first start off by mentioning that I am not a Linux newbie. I have personally been using the GNU\Linux for nearly 5 years now. However, often times I run across the commands under /bin/ and ...
0
votes
2answers
77 views

How to set Linux to ask for authentication when running potentially dangerous commands?

I've faced times when I accidentally ran dangerous commands and lost all my data. How do I set Linux to ask for current user password or root user password when running potentially dangerous commands ...
0
votes
2answers
62 views

file(1) command termination when using the -f - option

Say I'd like to use the file -f - command inside a script, and send some input using the stdin, when I'm finished I'd like to terminate it gracefully, but unfortunately I haven't found any way to do ...
0
votes
2answers
76 views

htop displays incorrectly on different vps

When I use "htop" command for linux (+F5), layout on 2 my vps different: Why on my first server I see broken tree?
2
votes
2answers
233 views

Custom help / man -like command (for reminders)

I often end up in a situation, where I don't use a command for a while, but then suddenly need to use it; and I need to wade through several help pages until constructing the command line I want. Case ...
18
votes
7answers
3k views

Command-line-friendly full-text indexing?

Is there such a thing as a full-text indexing engine, that can be queried from the command line and ideally wouldn't require using a gui at all ? I'm especially interested in indexing my ebooks and ...
14
votes
4answers
2k views

Is it possible to configure ctrl-w (delete word)?

Normally, Ctrl-w deletes back to the last whitespace. Is it possible to configure it to use additional characters, such as /? Edit: To be more clear: I don't want to configure the key for it, I want ...
1
vote
0answers
87 views

CLI network management

I've set up a console typewriter: a laptop with a minimal Debian install and no X server. I use it as a typewriter and I use wifi to sync my documents. I connect to wifi using wpa-supplicant. That ...
1
vote
1answer
81 views

Command works with tilde at the end. How?

I'm on Ubuntu. I have a script called myscripts in /usr/bin/myscripts This script simply changes the current directory to ~/Work/MyScripts Normally, I simply open a terminal and type ~/Desktop$ . ...
3
votes
1answer
2k views

What code runs when I type “sudo service nginx start”

I am having this problem: http://stackoverflow.com/questions/10939072/add-nginx-as-a-ubuntu-service-stop-and-reload-doesnt-work I am trying to understand if my code to start nginx is point to the ...
1
vote
0answers
26 views

Set memory allocation for applications in Ubuntu [duplicate]

I have an application running under Ubuntu that tries to consume all available memory. Is there a way to specify and restrict the allocations available for a given application?
2
votes
2answers
592 views

Booting from command line

I have a desktop version of #! installed on my laptop. I am quite new to Linux, but learning more everyday. I would like to know if it is possible to choose on start-up to boot into the Desktop, as ...
2
votes
1answer
209 views

bash command line editing (Emacs shortcuts)

When writing a command on the bash command line, I can use CTRL+w to delete a word backwards, or ALT+d to delete word forwards. The problem is, that these two shortcuts are not exactly complementary: ...
1
vote
0answers
134 views

List/query Open X11 Display Connections?

I am hitting this bug: NEWT errors when closing sketch on Linux · Issue #1651 · processing/processing · GitHub, when using Processing on Linux (Ubuntu 11.04); my messages are: X11Util.Display: ...
1
vote
1answer
284 views

Loading input from a file in lex

First of all, I was not sure whether to post this question here or on stackoverflow, but here's my question anyway. Besides using input redirection, i.e. ./code < inputFile.dat, is there any way I ...
1
vote
1answer
962 views

Pass bash script arguments in double quotes to php cli script

I am trying to pass arguments to a bash script and then to a php script, I have literally looked at 30+ links, and tried over a dozen examples, and I for whatever reason have not been able to get the ...
2
votes
3answers
247 views

Tar compress folder without specifying the filename

Is it possible to use tar to compress a folder without giving the filename of the archive to store in? Normally you use: tar -zcvf prog-1-jan-2005.tar.gz /home/jerry/prog I want to do something ...