The command-line is the interactive interface to your shell.
0
votes
2answers
150 views
Total RAM used by a program with `ps`? [duplicate]
Possible Duplicate:
Measuring RAM usage of a program
I am trying to use ps to benchmark a program, I'm just not sure which flags to use. I would like to get the amount of RAM the program ...
3
votes
1answer
91 views
Can I force myself to enter a password when run certain processes?
I frequently work in an environment where, lets call them "pranksters" may gain access to my console.
I am diligent in locking my screen whenever I walk away, but given enough time someone gets the ...
2
votes
1answer
265 views
Regarding generating intersection and union of two csv files
I have two csv files, there are some overlap columns between these two files. Assume one file is called as A.csv and another is called as B.csv. The intersection of A and B is called as C.
I would ...
0
votes
1answer
3k views
access external hard drive to delete folder on terminal Mac
I want to delete a folder of portable hard drive on terminal in Mac. Are there any command line ?
2
votes
2answers
223 views
Urxvt draws lines slowly
I'm using Arch Linux and Urxvt as terminal emulator. When I scroll up/down, text lines gets rendered so slow I can count by top to bottom (heh, 1st line get rendered... ohh, 2nd one! ...). It takes ...
3
votes
2answers
446 views
CentOS: Install packages listed in a text file?
I have an existing CentOS installation which I'd like to install extra packages to. The packages to be installed were supplied to me in a list, one package per line, which looks like:
....
...
3
votes
1answer
170 views
Extract directory from wget's stdout
I am trying to wget a tarball from github.com and, without creating a temporary file, extract a subdirectory from it:
wget -qO- https://github.com/django-nonrel/django-nonrel/tarball/develop | tar ...
3
votes
3answers
221 views
Fastest way to open all files in a directory with multiple file extensions on commandline
If I want to open all mp4 files in a directory, I can simply do something like totem *.mp4. But how can I open all mp4 and all flv files in that directory with one command. I.e. I want to do something ...
3
votes
1answer
790 views
How to mount a Truecrypt container with a timeout from the command line?
I'm mounting a truecrypt container via the command line (i.e. truecrypt file dir). Is there any way to have truecrypt automatically unmount the container after a given amount of inactivity in dir?
8
votes
4answers
2k views
How to Execute multiple command using nohup
I want to execute multiple command using nohup, And each command should execute after previous command, I used this command for example:
nohup wget $url && wget $url2 > /dev/null ...
2
votes
1answer
92 views
Standard command line syntax ambigiuty in interpretation rules?
This question is somewhat similar to this: Unix/Linux command syntax
Suppose I have a program foo that takes arguments -a and -b. If both a and b take a string argument what is the meaning of this
...
8
votes
3answers
213 views
How can my script know when I'm in a virtual console vs. an xterm?
A few of my scripts (keymap changing, public key adding) need to act differently when in a virtual console vs. in an xterm. What's the real code for
#!/bin/ksh
if [[ in_a_virtual_console ]]; then
...
1
vote
1answer
224 views
automate login as sudo and su
I know the security risks, but I am performing this experiment/excercise on an old, seldom used *nix machine I have laying around the house. So doing this excerise will not bring any security risk to ...
2
votes
2answers
190 views
How to make duplicates with different names from a single file? [closed]
I want to duplicate the contents of a file. Suppose there is a file named "Hydrogen.element". I want to duplicate the contents of this file with a different name ie.make another file named ...
1
vote
2answers
256 views
How to find and replace files contents that match a pattern?
Suppose we have a folder named Project.
I would like find each file in the folder that contains the pattern &$
at the function call.
For example should replace:
AnyFunction(&$arg);
with
...
11
votes
2answers
3k views
How tell gzip to keep original file?
I would like to compress a text file using gzip command line tool while keeping the original file. By default running the following command
gzip file.txt
results in modifying this file and renaming ...
1
vote
1answer
286 views
Have netstat not display port numbers for foreign address
I would like to get netstat to not display port numbers on the foreign address so I can run some statistics on it. This is for a FreeBSD system.
The following is a example of the output.
...
3
votes
2answers
384 views
How do I get this find and rename command to work with subdirectories? [duplicate]
Possible Duplicate:
Recursive rename files and directories
I have a large directory of music files that is often changing as files and directories come and go. My preference is to make sure ...
3
votes
1answer
124 views
Is there a way to retrieve the name of the Desktop Environment?
The title is quite exhaustive: is there a way to retrieve the desktop environment name (e.g. Gnome, Unity, XFCE, LXDE, KDE...) from the command line or using Python?
2
votes
0answers
113 views
How to emulate a KWin effect by command line?
I would like to apply the Toogle Invert Effect when I start my system.
So, I need to know how to call this KWin effect using the terminal.
OBS.: I'd tried xte "keydown Meta_L" "key i" "keyup ...
5
votes
5answers
421 views
Read and confirm shell script before piping from curl to sh (curl -s [url] | sh)
Whenever I have to execute a shell script from the web curl -s [url] | sh, I first open url in my web browser to make sure the script isn't malicious and is safe to run.
I remember seeing a command ...
6
votes
3answers
352 views
Understanding different Linux Distros
I'm having a little bit of confusion when understanding linux based OS's. When I download the newest version of Mint and Ubuntu, aren't they the "same" at their core (kernel)? It just seems that they ...
3
votes
0answers
263 views
Cisco-like command Line Interface
I'm looking for a way to implement a fairly basic Cisco like command line interface on my Ubuntu server appliance (12.04 in particular).
I've come across the following project: CLISH however, ...
5
votes
1answer
236 views
Send a command from the console to a running X server
Is it possible to send a command from the console, say tty1, to the terminal currently occupied with X (in my case tty7 as I use Debian), to tell for example mplayer to play a movie?
Edit - made a ...
1
vote
2answers
1k views
Merge multiple flv files?
What tool in Linux can I use to merge multiple flv files ? Files are already in order, just put them altogether seamlessly
8
votes
2answers
1k views
Locate and delete all temporary files in user directory
I use vim a lot, and my area has power failure a lot. So the resultant is I get many *.swp files scattered over my PC.
I want an alias of rm command that removes all files with either .swp, ~, ...
9
votes
2answers
258 views
Trying to “locate” and then open a file
Suppose that I have a file named filename123.txt and it is the single file that is named so, and I can locate it with the command locate filename123. And it returns only this file.
Now I want to open ...
4
votes
1answer
171 views
How can I control an existing remote shell?
On my remote machine, an xterm/shell has been created (by another process). I have full access to that shell through VNC. But really I would like to be using a text mode shell on my local machine.
...
2
votes
2answers
218 views
Executing zsh rehash after build
I have a build script that can change what binaries are in my $PATH (it doesn't edit $PATH itself, but it adds/deletes files to folders that are already in $PATH). zsh's autocompletion doesn't update ...
2
votes
2answers
149 views
List all users and last time they read mail, pipeing to multiple output
I have one system that I would like to do a little clean up, so I would like to get all user accounts and last date they accessed they mail. It is a Debian system.
So far I got to this:
cut -d: -f1 ...
2
votes
1answer
105 views
How to have find only search for files in changed directories?
Currently I'm repeatedly doing a 'find' that's too slow. I'm searching for non-hidden executable files within "$root", excluding "$root/bin":
find "$root" -type f -perm -o+x -not -path "$root/bin/*" ...
1
vote
3answers
694 views
How do I exit or cancel a bad bash command?
I expect to get some flak for this, but I can't find the answer anywhere. It seems like it should be so obvious. Sometimes, when I type a bad command in a bash terminal, the cursor just jumps down to ...
1
vote
2answers
146 views
Program to manipulate Samba shares (net.exe equivalent)
Is there an equivalent to the NET.exe suite for linux systems with which I can do net view queries for example?
4
votes
1answer
950 views
“Argument list too long”: How do I deal with it, without changing my command?
When I run a command like ls */*/*/*/*.jpg, I get the error
-bash: /bin/ls: Argument list too long
I know why this happens: it is because there is a kernel limit on the amount of space for ...
1
vote
4answers
121 views
How can I do the `history` command and not have line numbers so I can copy multiple line commands?
Sometimes I do the history command so I can see 4 commands in a row.
I want to copy those commands so I can run them again.
I usually select them with the mouse and shift-ctrl-c which works ok, but ...
2
votes
1answer
266 views
Git auto-complete
I am using Git as many of you do. Also, I don't use any GUI for that — just CLI. So I was wondering: are there any way to make Git commands (git status, git checkout etc.) complete themselves when ...
2
votes
2answers
3k views
'iwlist' -> interface doesn't support scanning (Ubuntu LTS 10.04)
I am using Ubuntu 10.04 (LTS) on a Samsung N150+ netbook. I cannot scan wifi networks using iwlist and I would like to do so. Here is the output from some tests:
...
1
vote
0answers
70 views
Creating and updating the packages for many Debian systems
I'm using a Lenny (Debian 5) for remotely controlled PC's (around 100 PC's) which will be pinging to my apache server. I'm developing a patch twice in a week to keep updated with the latest versions ...
2
votes
2answers
300 views
What would it take to add a command to run a script at the completion any given random task?
I was playing around with Pushover, and had the thought that it would be cool if I could use it as an argument on any random command, so that it would run a pushover script at the end of the task, ...
2
votes
1answer
313 views
Switch to an application using its PID
I'm using Gnome. In vim, I want to map a key to switch to Firefox. I know that I should use bash commands (a command in form of !...). Is it possible to switch to an application using its PID?
8
votes
3answers
826 views
Converting colored output into html
There are tools providing coloured output:
dwdiff -c File1 File2 # word level diff
grep --color=always # we all know this guy
...
The question is: How to convert their colored output of arbitrary ...
3
votes
2answers
241 views
Is it possible to disable verbose in the middle of running?
I am running a program fls (from the Sleuth Kit) with option -v for verbose mode. However it takes too long, and the program is still running since yesterday. I guess it will run faster without ...
5
votes
2answers
639 views
Output ls -l size field with digits grouped by thousands?
It is possible to make ls -l output the size field with digits grouped by thousands? If so, how?
For instance:
$ ls -l
-rw-rw---- 1 dahl dahl 43,210,052 2012-01-01 21:52 test.py
(Note the commas ...
1
vote
2answers
642 views
Undo `mv` command? [duplicate]
Possible Duplicate:
Moved bin and other folders! How to get them back?
Hi I'm in desperate need of help. I'm quite new to linux so please bear with my stupidity! I entered the following ...
1
vote
1answer
197 views
When a command is over half the terminal size it breaks
Whenever I type in a bash command longer than about half the width of the shell window I'm in, the command breaks like it would if I filled the whole screen
3rd command in image - typed a few xs ...
4
votes
4answers
322 views
xargs and vi - “Input is not from a terminal”
I have about 10 php.ini files on my system, located all over the place, and I wanted to quickly browse through them. I tried this command:
locate php.ini | xargs vi
But vi warns me Input is not ...
0
votes
4answers
703 views
How to pause listing long text file with cat in command prompt after 10lines then press any key
How to pause listing long text file with cat in command prompt after 10lines then press any key.
for example:
cat myfiles.txt
bla
bla
bla
bla
bla
bla
.
.
.
bla
press enter to continue
1
vote
1answer
149 views
Sun blade 2000 - no prompt
I just bought a Sun Blade 2000 and a type 7 USB keyboard from EBAY. The blade has Solaris 8 installed and while I can login, I'd rather switch to something like UBUNTU.
If I type STOP - A during the ...
3
votes
1answer
2k views
Samba mount with password prompt as non-root user
I want to mount a password-protected SMB share (served by a Windows machine). The share is protected by a user name and password, and I may not write the password in a file, I want to be prompted for ...
4
votes
1answer
356 views
How to make sure OpenVPN is connected?
I need some sort of "safeguard" for my VPN connection. If the connection drops, the machine shouldn't even reach the internet. (I can reach the machine by other means.)
Is it possible somehow?
If I ...
