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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.

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GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)

Unable to obtain ticket details after the new Kerberos ticket is generated, hence unable to submit new jobs in yarn. WARN security.UserGroupInformation: PriviledgedActionException as:raref (auth:...
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Unix/linux: A user owns a file in a group but she is not a member of this group, can she delete this file?

I have three users jack, hugo and kate (standard users). jack's group membership is: jack , eng_g hugo's group membership is: hugo , eng_g kate's group membership is: kate jack and hugo both ...
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How to build and run an Erlang project in Cygwin/Unix/CentOS?

I am learning Erlang and now i am trying to run some sample projects from git. But i could not build or run them. I would like to know how to do these and the background process involved while ...
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find a subdir, under this specific subdir go 2 or 3 level down for another subdir and find a file

I need to grep a string from a log file, which is present in a certain sub-directory, followed by 2 or 3 levels down is another subdir, under which a log file is present and i need to grep the string ...
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Imfile in rsyslog running on AIX Server 7.2

AIX server's rsyslog (imfile module) is not forwarding custom application logs from a specific folder that has multiple log files generated each and every day. The log file's name pattern differs. I ...
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Writing MBR bootstrap code as a UEFI bootloader

I'm really interested in retrocomputing, and as I was looking for a so-called "pure" version of AT&T UNIX v7 I came across this port to the x86 architecture called v7/x86. It seemed interesting, ...
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Permission denied (publickey) during SSH using Git Bash on a Windows Machine

When I try to execute the command ssh -vvv user@ip_address, the last few lines of the outcome looks as below: debug3: send packet: type 50 debug2: we sent a publickey packet, wait for reply debug3: ...
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imfile in rsyslog in AIX servers

AIX server's rsyslog (imfile module) is not forwarding custom application logs from a specific folder that has multiple log files generated each and every day. The log file's name pattern differs. I ...
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Trying to install psutil results in error

So with the following commands: pip install psutil pip3 install psutil sudo pip install psutil python -m pip install psutil python3 -m pip install psutil sudo python -m pip install psutil sudo ...
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MacOS 'at' command not working; com.apple.atrun.plist missing?

I have been having trouble running the 'at' command as in this question https://stackoverflow.com/questions/56548065/wanting-to-run-a-script-at-a-certain-time-on-macos-instead-returns-job-4-at-we I ...
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Not able to run a command through ssh

I am running a command on a FreeBSD machine (xxx.yyy.zzz.net) and getting the output command sudo camcontrol devlist | grep -o 'ada[0-9]' | while read -r a ; do sudo camcontrol identify $a | grep ...
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How to create a Repository Manager?

How to create something like http://deb.debian.org/ or https://packages.ubuntu.com/ a repository package manager? and Is there any open source package manager like that?
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Cannot apt “update”or install “apt-transport-https”

I'm SSH'ing into a headless Linux chip (here's the uname) Linux chip 4.3.0-ntc #1 SMP Fri Feb 19 09:37:25 PST 2016 armv7l GNU/Linux Whenever I try apt-get update I get this error: E: The method ...
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NetBIOS name changed by someone else? [duplicate]

I am using a MacBook Pro running macOS 10.14.5. This morning I have connected to an open network and to my surprise when I opened the terminal after the reboot the netBIOS name changed from the name I ...
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How does “echo $0” work?

I found out on Ask Ubuntu I can use this command to figure out what shell I am in. echo $0 I like this because it is simple as compared to more complex solutions like this one on the Unix and Linux ...

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