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Questions tagged [unix]

Unix is a multitasking, multi-user computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs.

2
votes
2answers
62 views

/bin/ls sorts differently than just ls

$ ls |sort xyz-0.0.1-1554490900.rpm xyz-0.0.1-1554745305.rpm xyz-0.0.1-1554751021.rpm xyz-0.0.1-1555513460.rpm xyz-0.0.1-1555951745.rpm xyz-0.0.1-1554323568.rpm $ /bin/ls |sort xyz-0.0.1-1554323568....
0
votes
1answer
27 views

convert youtube audio to wav for linux without ffmpeg or avconv

Is there a simple command-line utility for unix available to use to convert an .m4a audio file or .webm file (that I can generate from youtube-dl) to a wave (.wav) file? I tried ffmpeg and it gives ...
0
votes
0answers
22 views

Permission denied when running source .zshrc

I have added /Users/tomraikes/Library/Python/3.7/bin to my .zshrc file. I want to add that directory to my PATH. When I run source .zshrc I get .zshrc:102: permission denied: /Users/tomraikes/Library/...
0
votes
0answers
20 views

In Mac OS X, after installing gcc and llvm by homebrew, how can I use clang++ with gnu libstdc++?

In arch linux , clang uses libstdc++ by default, and everything is OK. But in Mac OS it doesn't work. I tried to set $CPLUS_INCLUDE_PATH, $COMPILER_PATH, and $LIBRARY_PATH, then when I compile a file ...
1
vote
1answer
36 views

How to delete all directories except last 2 directories and the symlink pointed to those directories

I have below directory structure. drwxr-xr-x 5 ec2-user ec2-user 4096 May 22 07:03 TEEST drwxr-xr-x 5 ec2-user ec2-user 4096 May 24 05:33 BEE-TES drwxr-xr-x 5 ec2-user ec2-user 4096 May 24 10:53 ...
26
votes
2answers
5k views

If Windows 7 doesn't support WSL, then what is “Subsystem for UNIX-based Applications”?

Everyone says that the Linux subsystem, or WSL, is only supported in Windows 10. So if this is true, can someone explain what does this, very similar looking, option in Windows 7 mean? What ...
0
votes
1answer
20 views

How do I reset my directory structure and contents?

I have a linux box in the cloud and it had this directory structure /mnt/ws/{myProjects} I was trying to mount a (directory I believe?) from another resource and I did it through the following ...
0
votes
0answers
13 views

OpenBSD smtpd unprivileged account

I'm running an OpenBSD 6.4 box that runs SMTPd. Using aliases I have a catch-all for a subdomain that pipes all email to a script. /var/mail/smtpd.conf table virt_alias file:/etc/mail/virtual ...
1
vote
1answer
36 views

How to remove extension from pathname passed as {} in `find -exec`?

Given the situation that audio needs to be extracted from video files residing in subdirectories, how would one go about properly naming the resulting files? The following one-liner works, but ...
0
votes
0answers
12 views

GraphicsMagick : Issue while writing image to disk in UNIX

I have developed a project in NODE.js which used GraphicsMagick in processing my image and that image whould be sent to wider audience via mail. This is working as expected in Windows. But when the ...
1
vote
0answers
14 views

Clean solution to apply *unix groups without logging out and in again or hacks

Regarding this issue. Why I cannot simply reload my (id) groups, with some special command, after changing (adding/removing/etc) groups? Why there is a need to log out and log in again or creating ...
0
votes
0answers
11 views

Issue with collectd and curl_json plugin. Permission denied

I got that error when trying to use curl_json plugin for collectd. curl_json plugin: curl_easy_perform failed with status 7: Failed to connect to ::1: Permission denied (http://localhost:8050/...
-1
votes
0answers
24 views

Remount file system with read-write permissions on alpine linux [mount: permission denied (are you root?)]

I logged into an alpine linux container as root: $ docker exec -u root -it 80efaf603ae0 /bin/sh # apk update ERROR: Unable to lock database: Read-only file system ERROR: Failed to open apk ...
0
votes
0answers
26 views

rsync link-dest does not link even the content in the comparison directory is the same to the source directory

I found the "rsync --link-dest" behaves differently depending on how I created the comparison directory. If the comparison directory was created by a "cp" command, the "rsync --link-desk" does the ...
0
votes
0answers
12 views

How to copy a list of files distributed across sub directories, by reading file names stored in array format in Mac OS?

I am using Mac OS High Sierra. Files are stored in 5 child folders inside a parent folder with name 'All files'. I have stored the list of files in a separate file called 'listOfFiles.json', in ...

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