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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.

Excerpt from the Wikipedia page

Unix was originally written in assembly but has since been rewritten in C. It has been branched many times both commercially and open source. One popular variant is the BSD variant which originated from the University of California, Berkeley. It also gave rise to Linux.

Notable variants

  • Silicon Graphics - Irix
  • IBM - AIX
  • Sun Microsystems - Solaris
  • Hewlett Packard - HP-UX

Unix is officially trademarked as UNIX.

Unix on Wikipedia

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How can I prevent a given user group accessing global files?

Apologies if this is the incorrect forum. I am looking for a solution to a problem as follows: We have protected information on our system with global read/execute access (555) owned by a user in group A, allowing users in groups A,B,C etc. access.…
Thorsley
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Copy tape device files

I've just exchanged tape drives between machines (both Unix Tru64). The device files aren't working now, and I have to do some work with them (will generate a different question). I created a directory to store the old device files to, but the cp…
Lance Roberts
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mysql with dom and sd cards loss data

I have a problem with a MySQL application that write on a SD card or a Compact Flash. After a data loss (a power failure, for example), if I try to retrieve the data of my db, it fails and the error code is incorrect format table. If I try to see…
user865659
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How do I turn on port forwarding with Ubuntu?

$ssh -f -N -D 0.0.0.0:80 localhost Permission denied (publickey). I don't have anything in my ~/.ssh directory. I'm logged in as root.
Alex
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Website filtering for OpenVPN clients

I am currently trying to block some websites by their domain names for all the clients of my OpenVPN server. My first idea was to use the /etc/hosts file. But, its effects seem to be limited to the host only and not to be taken in consideration by…
Asche
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What signal is sent to running process after network fail?

I am trying to reproduce a situation where a process fails due to a network outage. I was hoping to reproduce this signal with a kill command. A normal kill command is not working. I have taken a look at /usr/include/sys/signal.h to try to find a…
SSH This
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How can I use symbolic signals in an at job?

In this answer on SO, I gave an example that should have used a -SIGCONT signal in a job submitted to at. However, I found that the process that I had stopped with -SIGSTOP did not continue. When I changed the signal to the numeric value, it…
Dennis Williamson
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How to query specific DHCP server

is there a way how to query a specific DHCP server for an IP address? Something similar to dig @_IP_ADDRESS_ _server_name dig @8.8.8.8 apple.com Thanks
BobC
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Puppet agent not starting?

I've attached the full output with debug to see if anyone can make sense of what is going wrong. I've tried removing /etc/puppet/ssl/ and the two nodes (agent and master) are able to ping each other by IP and hostname. Using vagrant. Running #…
Jordan
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What do these kernel errors in my logwatch mean?

I was reading my logwatch this morning and I've noticed that there are a lot of kernel errors. I'm on CentOS 6 and the machine acts as a web server. Can anyone help me understand what these mean and if I need to take any…
GhostInTheSecureShell
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Automate git-pull, stuck with keychain

I'd like to create a cronjob to automatically run a git-pull every minute. The problem is that my repo is private, I had to create keys on my system (Ubuntu Server 12.04). I installed keychain and ssh-agent now prevents the system from asking me the…
MultiformeIngegno
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How I can Monitor other application and resources from IBM WebSphere Application Server 7.0

I have IBM WebSphere Application Server+ 7.0 , and I deploy many java application on this server , from other hand I have stand alone java application ( this application is financial application and pass the traffic " transaction " to Application…
Eng Al-Rawabdeh
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OSX terminal bash permission denied after GIT changed file permissions while cloning repo

I am a beginner at OSX/Unix command line. I have a GIT repository that was created on my OSX computer. Recently I cloned the repo and went to run a bash script within the repo via ./BashFile.sh. This is giving me a permission denied error. So i ran …
Mausimo
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Changing symlink when a program is running, any side effect?

We have a custom program (test) to use the following structure, e.g. myapp myapp\version1\ myapp\version1\test myapp\version1\logs\.. myapp\version2\test myapp\version2\logs\.. myapp\running -> version1 And we run like that …
Ryan
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Running multiple cron jobs from single script

I have three different jobs that I want to run from the FreeBSD shell. I would like to consolidate them into a single script, if possible, but I can not find any syntax to do that. Is there someway I can accomplish this?
Daryl
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