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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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Why doesn't memcache work?

from django.core.cache import cache def testcache(): cache.set('test','I am putting this message in',3333) print cache.get('test') It just prints "None" This is in "ps aux": dovr 2241 0.0 0.8 57824 2144 ? Ssl …
Alex
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Know which file is related to a process execution

In Unix, with top I have an output similar to this: 13916 root 18 0 903m 129m 9936 S 51.4 0.1 3:07.01 php How can I know which file is this php process executing? For example: 13916 root 18 0 903m 129m 9936 S 51.4 0.1 3:07.01 php…
Mattia Merlini
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Undeletable directory in Unix?

Is it possible even as root one cannot remove directory? What could be the scenarios for directory not getting deleted? Well nothing wrong with the file system. There are applications running on the system perfectly. Trying to delete directory with…
kadeshpa
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How do I create a shared directory under root?

I'm trying to create a shared folder on my root partition that anyone in a particular group can read and write to and any new files within that folder are also read writeable by anyone in that group no matter what. I've managed to create a folder…
dcrdev
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Moving files between hosts using intermediate storage area

Is there any good existing solution for moving files from host A to host C, using host B a an passive intermediate storage area. A -> B -> C Limitations Host A and host C are on separate networks and can not access each other. No tunnels can be…
error
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netstat on unix server shows strange connections

netstat is showing a lot of unknown connections from different strange places. are they just attempt to establish connection? or is my server compromised? I've removed my local addresses from the log below: STREAM CONNECTED 8353 …
user12145
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Memcached will not start

I have this in my /usr/local/: libevent-1.4.so.2 memcached When I do this, it will not start: ./memcached -d -u root -m 3900 -p 11211 ./memcached: error while loading shared libraries: libevent-1.4.so.2: cannot open shared object file: No such…
Alex
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Easiest way to view puppet reports on pending (i.e., --noop) changes

My Puppet environment consists of a master and numerous agents which are run manually via the invocation of puppet agent --test. I am attempting to find the easiest (i.e., human readable, at-a-glance type reporting) way to view reports on what hosts…
PuffinMaster
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vi syntax to comment out non-commented lines (cron)

Anyone know if it's possible in vi to replace only uncommented/non-blank lines with comments? If I want to replace a commented line with something I know I can use :%s/^#/##foo##/g -- but I am looking for the opposite of this. Example file: # Some…
sitnam
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Removing files of a specific extension unix

Quick question, how do I recursively remove files of a specific extension? I wish to remove all .svn folders from a project. rm -Rf www/ "*.svn" The above seems to remove everything. Im using FreeBSD. Thanks
waedsaw
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WUFTP: sleeping: fcntl lock of pid file failed: Permission denied

Our main and largest FTP server, which uses wuftpd as FTP server software is facing constant drops of connection. It has been running for years now, all of suddenly, is presenting this problem. Searching the logs I found out this entry:…
Dumb admin
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Postgres /root": Permission denied

why on ubuntu 14.10 every time that i try to start the postgres on: sudo -p 'sudo password: ' -u postgres /usr/lib/postgresql/9.4/bin/initdb -D /mnt/postgresql/9.4/data show this: could not change directory to "/root": Permission denied The files …
dcalixto
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CPIO ulimit reached error

I have been googling this without much luck. I hope someone can help here. We have a customer running SCO Unixware 7 machine. This machine does a daily backup to tape. These have stopped running. It goes through and gets into the /home directory…
Deldran
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Hostname changes history in unix systems

I've been trying to find a command or file that contains all the previous hostnames a Linux/Solaris machine has had, but I can't seem to find any way to do this. The question is really about the command or file that would contain such information,…
RedPanda
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Using PowerCLI Versus using asp.net WMI to scan and retrive informaion about ESX hosts

I want to scan and view information about ESX hosts which have "ESXi 5.0 Update 1" as their OS inside my asp.net web application. mainly to be able to retrieve the ESX specification and all the vms that are inside the ESX. where all the VMs are…
John John
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