Questions tagged [utilities]

small programs used on the command line to do a specific job

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1answer
2k views

On why touch, mv, etc., won't create subdirectories “as needed”

There are many Unix commands that will fail unless some subdirectory already exists, even though it would be a trivial matter for such commands to go ahead and create the missing subdirectory before ...
2
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1answer
42 views

Utility to tag regions of audio files

For example, say I have a recording with lots of noise and people speaking, I'd like to tag areas where people are speaking with a 1, and by default everywhere else is 0. Then save this file ...
2
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2answers
142 views

Is there a distribution-independent tool to autocompile+install dependencies?

I like the way e.g. ArchLinux' yaourt (or if you're not that lazy, abs+makepkg; and from what I read so far, Gentoo's ebuild as well) automatically take care of obtaining, compiling and installing ...
2
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1answer
2k views

Is there any tool to view live statistics about a Radeon GPU?

I've checked out GPU usage monitoring (CUDA), but are there similar tools for AMD/ATI cards? Or kind of universal tools? I want to check out if my applications use the 256 MB of RAM of the video card ...
2
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1answer
128 views

How to use the -t option of Unix command look

I'm learning the look utility and I don't understand the meaning of the -t option. Can someone show me some examples of it? I read the man page, but still don't know what it exactly means.
2
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3answers
612 views

How to add multiple tasks in one command on Taskwarrior?

How can I add multiple tasks in one command line on Taskwarrior? I'd like to achieve something like: task add task1 tag:tag1, task2 tag:tag2 I think there should be a delimiter to separate tasks.
2
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8answers
1k views

Is there a shell command or utility for caching process output?

Hope this is the right place to ask. Is there a unix tool that works similarly to this? # invokes echo, saves to cache (using command with arguments as key), returns "hi" cache 10 echo hi # wait 2 ...
2
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1answer
2k views

A generic command to extract archive files [duplicate]

There are many archive formats: tar, tar.gz, tar.bz2, zip, rar, tar.xz and more. I would like to have a single command that would determine the type of archive I give to it as input and extract the ...
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4answers
8k views

What are considered utilities and applications?

Commands like cp, ls, chmod, pwd etc are called as utilities. I seem to not able to define what kind of things are called applications. Let's abandon GUI to make the definition more precise.
1
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1answer
590 views

Why does the factor command produce nonsense on an RSA modulus?

Ok, so I think I may have found a flaw in... something. I honestly don't know. This is such a weird scenario. I was attempting to break very small asymmetric (RSA) encryption, just as a Proof of ...
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3answers
129 views

It is a good idea to download the default Linux utilities?

I am working on a server environment which has almost no executables in its /bin folder, except for some basic ones like ls and ln, but I want other common binaries (like sed, awk, gcc etc.) to be ...
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3answers
6k views

How to check which process is using a given file descriptor?

Somewhere in the middle of my application, the framework I'm using (ROOT) gives me the following error: *** Break *** write on a pipe with no one to read it SysError in <TUnixSystem::UnixSend>:...
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2answers
66 views

Command-line tool for determining validity of bracket term

I'm looking for a tool which automatically checks whether a LaTeX document is a correct bracket term. It's very easy to write such a tool but before I do, I want to know whether one already exists. ...
1
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1answer
447 views

Is Mac OS X really SUS compliant?

Internet says that Mac OS X 10.8 has achieved certification to The Open Group UNIX® 03 standard and that it is a compliant system. But a simple test with echo seems to indicate otherwise:  a) The ...
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3answers
672 views

How to transpose a text file on character basis

There are some tools like datamesh to transpose a matrix in a csv file, but I want to exchange rows and columns character based. So a file abcde fghij klmn opqrs should become afko bglq chmq dinr ...
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1answer
43 views

Looking for an external command that can do the same thing as echo

echo is bash builtin. Is there an external command which can do the same thing as echo? (may do more)
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3answers
388 views

Use Unix tools to look for a definition block in an XML.

I am using an XML that has definitions in this form - <definition name="ticketOpen" extends="ticketUpdate"> <put name="title" value="Open Ticket" /> <put name="mainForm" value=...
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1answer
6k views

using tr -t command [comprehension question]

When using tr -t command, string1 should be truncated to the length of string2, right? tr -t abcdefghijklmn 123 # abc... = string1, 123 = string2 the cellar is the safest place # actual ...
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2answers
787 views

How do I install `gresource` on Fedora?

I'd like to change the background image of my login screen (Fedora 23, GNOME desktop). The Arch wiki has a write-up on how to do it. Basically it involves extracting the .gresource binary that lives ...
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3answers
371 views

line count on all the PHP scripts within my webroot with wc

How can I do a line count on all the PHP scripts within my webroot? I am trying something like this below to no avail: wc -l *.php
1
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1answer
5k views

e2fsck progress bar?

How can I see the progress of e2fsck in the terminal? Are there any pv like ways? For example how can I see how far along this command is in progress: e2fsck -f -y -v /dev/sdb1
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2answers
69 views

CLI: Editing binary strings

There's a nice CLI binutils utility for interpreting binary files, and outputting legible strings, in a cat-like fashion. It's called strings. If you try to cat a binary file, you'll see a bunch of ...
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2answers
465 views

Is there a fp8 (Fast PAQ) compression utility for linux?

I'm trying to compress a large archive of similar JPG images. The best compression algorithm I've found so far is fp8. In this question I show my tests and ask for better options. But fp8 is the best ...
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3answers
87 views

Take a command that modifies a file inline and make it accept stdin/stdout

Let's say I have a command foo that accepts a file and performs some transformation in that file (something similar to sed -i). And let's say that this command does not accept the classic "read from ...
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2answers
943 views

Use ffmpeg to get PCM/Red Book/CDDA without WAV headers?

I've got a side project going that requires files which are just the samples from uncompressed PCM audio. My plan was to first convert everything to WAV, then use my own scripts to strip off all the ...
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2answers
452 views

How to use cloc to find lines of code in a debian package

cloc - statistics utility to count lines of code Now the manpage mentions that it can be used to count lines of code of a tarball cloc perl-5.10.0.tar.gz Now a debian package is just like a ...
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1answer
62 views

Is there any text search tool preloaded with well-known regexes?

I would like to know if there is any command line tool to search text files preloaded with some well-known regexes (IP, email, date, path, url, xml tags, etc) so you could do something like: grep -A ...
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3answers
988 views

running an executable in parallel by dividing the input directory tree

Commands like find and grep would benefit greatly if they were to run in parallel. Is there a utility or a program that takes a command as an argument and makes it run in parallel by running multiple ...
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3answers
394 views

Sort data on multiple columns

INPUT (unsorted, bad) "XYZ-ZTE-43255 serverB618 agreed","XYZ-ZTE-44432" ,"XYZ-ZTE-43255" "XYZ-ZTE-52775 serverB110 agreed", "XYZ-ZTE-79213 - serverB688 agreed", "XYZ-ZTE-77323 serverB617 agreed", "...
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1answer
136 views

Good base converter or using gbase?

Could you suggest a good base converter that also does "signed" conversions? Either gbase does not do it, or I can't see how it's done. What I want to do is give the program an integer, say, -100, and ...
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3answers
43 views

Creating a folder that aggregates files from other folders

I'm trying to organise my directories for different classes such that each of them has a todo folder. something like this: |--classes/ | |--classOne/ | | |--todo/ | | | |--read.pdf | | |--...
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1answer
115 views

Tool for creating and calling folder structure templates?

Is there a Linux utility for creating templates for directory structures, outside of the scripts packaged with a DE like Gnome or LXDE? (I run openbox and would like to avoid a DE at all costs) There ...
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3answers
1k views

Interactive cd (directory browser)

Sometimes when working in deeply nested file hierarchies (e.g. Java code) I find it annoying to traverse from one leaf to another. My usual cd-up looks like: $ cd ../../.. # Oops, not enough $ cd .. #...
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4answers
2k views

crash shell: any way to check if a command executed Successfully

I'm automating a test using crash package. Is there some thing like $?, which can be used to check if the previous command executed successfully or not inside a crash shell? For example, when ...
1
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2answers
651 views

Clear the screen and show a banner

I need a text banner on a screen which is projected all the time. The screen is connected to a PC with tmux on it. Example of text "banners": figlet $(fortune) or toilet "$(cowsay $(fortune))" ...
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1answer
2k views

Change Directory and List Files [duplicate]

Possible Duplicate: Make cd automatically ls I think that it would be very useful to have a unix utility that combines 'cd' and 'ls' so that when you change your directory, it automatically lists ...
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1answer
155 views

Can someone explain what hunzip is for?

I understand what hunspell is for, but I was browsing the source code and the man, and I'm not sure: Does hunzip compress text files or just dictionaries ?
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1answer
1k views

Good “progress bar” about md5sum checking progress?

I'm using this right now: time md5sum -c *.txt | pv | grep -v ': OK$' but aren't there any smart solutions that can list that how many files haven't been checked? I mean I have many md5sum's in .txt ...
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1answer
75 views

What's the difference between ledmon and ledctl?

Both are LED control tools released by Intel. https://linux.die.net/man/8/ledmon https://linux.die.net/man/8/ledctl What's their difference? Do I need ledmon to be executed first to run ledctl?
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1answer
41 views

What tool can check internet TX/RX status as top/htop?

For processor usage, we can use top or htop. For internet status, I would like to know the current TX/RX status, any command/tool to use?
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2answers
158 views

Filter tasks scheduled for the future in Taskwarrior

My custom report in Taskwarrior is set to the following: report.custom.filter=status:pending I would like to change this so that tasks scheduled for the future are hidden until their start date. For ...
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1answer
29 views

Packages and the like for configuring new systems [closed]

I'm faced with the prospect of moving from a server which has been configured previously with loads and loads of the sorts of tools you forget about day-to-day as you do various tasks (I'm talking ...
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1answer
2k views

Password protect a PDF file with AES 256

I can't find a free/open-source software that password protects my PDFs with AES 256. pdftk just offers 128-bit strength.. In fact I didn't find any other tool that encrypts PDFs. What tool may I ...
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1answer
3k views

how to use ser2net control port

man ser2net says that by running ser2net with a -p flag I can execute a number of commands. If I run ser2net -p 12345 and, then, lsof -i :12345, I can see the service on that port. How would I, for ...
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1answer
192 views

Can I check how much energy a USB device is consuming?

Is there any utility I could use to check how much energy a USB device is consuming, for a given time frame?
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1answer
930 views

Install vmware-tools using yum in vmware fusion

I added vmware-tools repo [1] to my virtual CentOS box. What is the exact set of packages I have to install? The rationale is to be able to update vmware-tools using yum. Environment: Host OS: Mac ...
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1answer
734 views

lspci machine-readable format (-vmm) does not show a kernel Module/Driver line

I briefly read the manual of lspci, where I found out that there is a machine-readable format lspci output using "-m" or "-mm" or "-vmm". I need to print out the device name, the device id and the ...
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0answers
25 views

Realigning GPT partitions to 4k sector boundaries?

If I have an HDD with GPT, and the partitions are not aligned to 4k sector boundaries, is there a tool to realign the partitions to 4k sector boundaries? Suppose I have UEFI stuff on the HDD in ...
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1answer
63 views

Tell Tab and Space indented files apart

I was using the file command to gather information about some text files (well, XML files, but the XML info did not interest me), but there was one bit of information that I missed in the output: ...
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1answer
9k views

How to find the DNS server configured in Ubuntu and networking tools in unix?

I have heard that DNS configuration can only be IP address and not host name. How do I configure DNS server in ubuntu machine. If it should be IP address only then why this configuration shows the ...