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

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3
votes
1answer
329 views

Pausing rsync via bash script?

Is there a way to pause rsync via command line, if it transfers data for over X minutes? I'm working on using it as a backup and would like it to pause every once in a while to prevent the hard disks ...
1
vote
2answers
126 views

How can I see output from a command progressively?

I have fired an ls -1 command that runs and displays a long list of values. When the command ends I can not see the output which is outside the screen vertical length. How can I see those previous ...
0
votes
1answer
146 views

How to find the command line for tinymce

I have installed the packages tinymce and tinymce2. It's an HTML Editor. sudo apt-get install tinymce tinymce2 but when I launch the command tinymce the system tells me there's no such command. ...
1
vote
2answers
894 views

ALT+F2 doesnt work in Linux Mint Mate

I am trying to install Sublime Text 2 on Linux MINT (Mate) from this tutorial. http://community.linuxmint.com/tutorial/view/907 and I'm stuck on: Next , to create a menu icon press Alt+F2 and type: ...
3
votes
2answers
439 views

Make copies of a single directory to multiple directories with different names

I'm trying to replicate a single directory (with sub-directories) to a bunch of new directories based on a list. For example I can: mkdir Fred Barney Thelma Louise Foo Bar How would I copy a premade ...
1
vote
4answers
517 views

Rerunning the same command with a different parameter

I know that I can run the following command ls Some{File,Folder} And it is equivalent to running this: ls SomeFile SomeFolder (I also use it a lot for things like mv place_{a,b}) However, I was ...
2
votes
0answers
110 views

Command-line file reader (like “less”) that can tell the line where the user stopped reading

[Context] I'm developing a little app, as a hobby to learn ncurses, that catalogs and lists and searches within a set of documents (for now, they are the HOWTOs from TLDP). The most tricky part of ...
1
vote
1answer
274 views

Application in terminal still running but not directly accessible [duplicate]

Possible Duplicate: How to suspend and bring a background process to foreground I have kind of an odd problem which I haven't encountered before. Here's what I did: I started an ...
6
votes
1answer
180 views

What's the difference between “command directory” and “command directory/”? [duplicate]

Possible Duplicate: When should I use a trailing slash on a directory? Does the slash make any difference?
2
votes
1answer
202 views

Does each user get his/her own tty(s)?

I put a simple echo command in a CLI tty by user1 expecting it to reach user2 who is logged in a separate tty. echo "Hello, world!" >> /dev/tty5 I expected user2 to get the echo message but ...
8
votes
3answers
968 views

Bash: Capture / Use last (or Nth) line in stdout

Query I use Bash. When I'm looking for files, often I'll do the following: find -name stackexchange.hs And often the results will look like: /youre/the/man/now/dog/stackexchange.hs ...
1
vote
0answers
485 views

Wired connection from CLI with NetworkManager - “up” in elegant way

Sometimes I need to do some operational work in text mode and I need to setup internet connection from command line (without any networkmanager applet). (Please note: that when I run Window Manager, ...
3
votes
1answer
2k views

How to change the properties of a desktop panel from the command line?

I use RHEL 6 as my regular operating system and for one of my user accounts I made one of the desktop panels as auto-hide and other as a fixed panel. I expected the hidden panel to appear above the ...
3
votes
2answers
2k views

Can the UNIX command tree display only directories matching a pattern?

I'm trying to figure out if there is a way to get the UNIX command tree to display only directories that match a specific pattern. % tree -d tstdir -P '*qm*' -L 1 tstdir |-- d1 |-- d2 |-- qm1 |-- ...
1
vote
2answers
1k views

Can the UNIX command tree display only directories matching a pattern?

I'm trying to figure out if there is a way to get the UNIX command tree to display only directories that match a specific pattern. % tree -d tstdir -P '*qm*' -L 1 tstdir |-- d1 |-- d2 |-- qm1 |-- ...
1
vote
1answer
212 views

Sed and Awk learning material [closed]

I'm looking for some learning material for sed and awk, can anyone make any suggestions? Please don’t refer to man and help pages. -O-
12
votes
6answers
2k views

How to find files with 100% NUL characters in their contents?

What is the Linux command-line command that can identify such files? AFAIK the find command (or grep) can only match a specific string inside the text file. But I want to match whole contents, i.e. ...
3
votes
4answers
17k views

Installing JDK 7 on debian

So I just rented a dedicated server running Debian, and I know nothing about Linux. Anyway, I want to install the JDK 7, first I connected through SSH and granted myself administrator rights by ...
3
votes
3answers
3k views

How can I call bc from within awk in this case?

OK, so I love my awk, but yeah, it has precision issues, and unfortunately there's no easy way for me to install the multi-precision extensions known as gawkextlib. What I am doing is, I am working ...
4
votes
1answer
1k views

Mass ID3 tag editor like vorbistagedit?

My favorite tool for batch editing of vorbis comments is vorbistagedit. I can do vorbistagedit *.ogg and it lets me edit the metadata in all my ogg files at once in my favorite editor (emacs). I'm ...
1
vote
3answers
515 views

Automatically printing images with added captions

I have a lot of scanned images and images/photos I'm working on with multiple versions. When I print them (using various programs), all I get is the image and, often, it's difficult to tell which ...
2
votes
3answers
5k views

How does the set-user-ID mechanism work in Unix?

Can someone please explain the set-user-ID mechanism in Unix ? What was the rationale behind this design decision? How is it different from effective user id mechanism ?
3
votes
1answer
1k views

Configuring Yaboot and Debian to Boot into a Command Line Login Shell?

I have a Debian Squeeze variant (MintPPC 9) installed on an old Mac Powerbook G4 (PowerPC CPU). I wish to boot it into a multiuser CLI login shell instead of automatically booting into the login ...
0
votes
2answers
86 views

Is there any way of prompt a message when a command in /usr/sbin/ is tried to run as nonroot?

In most Linux distros I've used when you type for example ifconfig as a normal user, you get a prompt message telling you that only root can execute such command. In Debian, it only says command not ...
2
votes
2answers
7k views

Get list of installed printers

Inside of a script I send a certain file to print using the lpr command on an user-selected printer. The list of the printers, from which the user selects the one to use, I get using the lpstat -a ...
5
votes
2answers
3k views

Check SMTP server capabilities on the command line

I know an SMTP server's URL. I want to know about that SMTP server's capabilities: TLS, password encryption, etc. Evolution Mail knows how to report these. How can I get them from the command line? ...
2
votes
1answer
171 views

Monitor if a running X session is idle for a while

Is there any way to monitor if a X session is inactive for i.e 10 minutes? And I would execute a command when it happens, like a screensaver, but it's not a screensaver in this case.
1
vote
1answer
282 views

Display words in color

I am looking for a tool which takes a file in input and a word to search. It should display the file with color the words if it corresponds to the search. Like grep --colors but displays all the ...
3
votes
1answer
592 views

How to get bash to suggest a missing package?

While running Ubuntu, while trying to execute a commmand in bash, it used to suggest that the said program was missing but found in another package Y, and that I could try installing it. Now on a ...
24
votes
3answers
116k views

Zip all files in directory?

Is there a way to zip all files in a given directory with the zip command? I've heard of using *.*, but I want it to work for extensionless files, too.
2
votes
1answer
492 views

Is there a way of color-highlighting paired brackets in shell (bash)?

Does anyone know if there is a way reproducing the same behaviour many text editors provide for colour-highlighting the syntax operators such as brackets or curly brackets. It would be very useful for ...
1
vote
3answers
6k views

How to run the most recent command on AIX?

How can I run the most recent command again from history in AIX Server? And how to edit the most recent command and run it again in AIX?
4
votes
2answers
2k views

xargs : using same argument in multiple commands

Am trying to write a one-liner that can probe the output of df -h and alert when one of the partitions is out [or almost] of space. It's the part using xargs that kicking me in the ass now... echo 95 ...
5
votes
4answers
7k views

How to exit sh program?

I bungled the commands and wrote sh -man Now I've entered a program called sh-3.2 that is seemingly impossible to exit. Ctrlc,Ctrlz, or Ctrlxdoes not work. exit, quit, q, :q also does not work. ...
3
votes
1answer
537 views

Make stdout and stderr be buffered by the same buffer

Is it possible to force glibc to use the same buffer for stdout and stderr? If I tee the both outputs: ./tests/tests 2>&1 | tee log I get mixed messages (i.e. messages are ordered inside ...
2
votes
2answers
1k views

Sort the output of find before piping to openssh

I'm using this command to recursively generate a SHA-512 hash for each file in a directory hierarchy: find . -type f -exec openssl sha512 {} \; I'd like to sort the files in lexicographical order ...
0
votes
2answers
5k views

“system-config-network-tui &” doesn't work

When I try to edit or assign the IP using this command: system-config-network-tui & Terminal opens a console which is uncontrollable, just like this: This happens on CentOS and Red Hat.
2
votes
0answers
3k views

How can I connect to a wireless network with hidden SSID using the terminal? [closed]

I'm starting to learn about wireless pentesting with BackTrack, and while learning how to find out the hidden SSID I wondered how could I connect to the wireless network after I discover the SSID. The ...
12
votes
6answers
56k views

How can I monitor all outgoing requests/connections from my machine?

My machine is a server so I want to ignore connections being made to my server (e.g. when someone visits my website). I want to see only connections/requests being made by my server to other places. ...
8
votes
6answers
2k views

Colourful terminal or console?

I love colors in my console, and I wonder if there is any way to get a terminal (I guess only a software is able to do that) printing almost everything in colors. Of course there is the --color=auto ...
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?
1
vote
1answer
160 views

What's the essential difference between grep foo $(CMD) and CMD | grep foo

It's really important because intuitively they are all similar for me. Could one realise that those two are really like one another for me, i.e. absolutely equal?
2
votes
2answers
151 views

Zipping files two by two

I have a directory that has 800 files like this: file1.png file1@2x.png file2.png file2@2x.png file3.png file3@2x.png ... etc I need to create zip files like this file1.zip (containing ...
3
votes
1answer
3k views

Extrat tar “Cannot open: File name too long”

I made a tar with a directory on a remote machine with: tar -czvf I scp it to my local machine, where I wanted to untar it: tar -xzvf But I get : Cannot open: File name too long On my local ...
4
votes
4answers
2k views

Pipe the output of a command to rm command

Following command prints the path of the song being played. mpc | head -n 1 songs/oldSongs/Mukesh_D/041 KANHAIYA = YAAD AAYI ADHI RAAT KO.mp3 Can I delete this file by modifying the command I used ...
1
vote
1answer
4k views

Uncompress txt.gz files [closed]

Trying to uncompress txt.gz files on Linux. gzip, gunzip, unzip are not recognizing the file format. The archive is guaranteed to be not corrupted.
15
votes
1answer
609 views

Make program first read from pipe, then from keyboard

Consider the interactive program interactive. I have to run this program fairly frequently, and each time I run it the first few commands are the same. Obviously, having to type those commands over ...
5
votes
2answers
293 views

Why arguments in braces do not expand in this case?

For example, I want to put some file names inside braces for expansion like this: $ ls blue_texture blue_waves green_light $ ls -m | tr -d ' \n' blue_texture,blue_waves,green_light $ echo ...
3
votes
4answers
10k views

CentOS 6 - nameserver entry in resolve.conf resetting after restarting network services?

In /etc/resolv.conf, I've changed the nameserver line to a new IP address. After saving and exiting, I run service network restart. I then go open /etc/resolve.conf again and see that the IP address ...
22
votes
5answers
12k views

echo a file without the first and last lines

Is there a simple way I can echo a file, skipping the first and last lines? I was looking at piping from head into tail, but for those it seems like I would have to know the total lines from the ...