Perturb.org - interesting technology related things from around the in...
Perturb. Interesting technology related stuff from around the Internet.
Read Perturb.org news digest here: view the latest Perturb articles and content updates right away or get to their most visited pages. Perturb.org belongs to a large group of moderately popular websites. It seems that Perturb content is notably popular in USA. We haven’t detected security issues or inappropriate content on Perturb.org and thus you can safely use it. Perturb.org is hosted with Canby Telephone Association (United States) and its basic language is English.
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Perturb.org - interesting technology related things from around the internet
Interesting technology related stuff from around the Internet
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Perl: assign a regexp search/replace to a variable
Often I will want to assign a variable to be a search and replace of another variable. Logically you might write it like this: $str = "foofoofoobar"; $new = $str =~ s/foo/FOO/g; # $new contains 3 bec...
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PHP: Assign a default value to a variable
$debug = $_GET['debug']; but debug is not present in $_GET. This function will conditionally assign a value to a variable that will not cause a warning to be thrown. It also has the added benefit of...
Perturb.org news digest
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7 years
Speed of various computer components
A CPU cycle can be a quarter of a nanosecond.
A read from RAM is about 60 nanoseconds.
A read from a relatively fast modern SSD is 20 microseconds (20,000 nanoseconds). -
7 years
Cisco: Monitor temperature via SNMP
I need to monitor the temperature of some Cisco equipment via SNMP. Using this guide as a reference I was able configure Nagios to monitor the ambient (inlet) temperature in our data center.
First you'll need to find the sensor's ID number based on the description here:... -
7 years
For a long time I have used rdesktop on Linux to connect to remote Windows boxes. Redhat is deprecating rdesktop because it does not support modern encryption technologies that Window uses. Instead they are recommending that users switch to xfreerdp...
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7 years
When a new version of a distro comes out I like to build a base VM image that I can use later to turn up new VMs quicker. Here are the steps I use on a CentOS or Fedora VM image:
Install minimal system via GUI
Disable/remove SELinux
Domain history
Web host: | Canby Telephone Association |
Registrar: | Public Interest Registry |
Registrant: | Scott Baker (None) |
Updated: | May 04, 2016 |
Expires: | January 15, 2021 |
Created: | January 15, 2002 |
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