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Tag Archives: Linux

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Technology Insights

Generate A GPG Key To Sign RPM Packages Created Using rpmbuild On CentOS Linux

InsightsBy alexMarch 4, 2010Leave a comment

I have been playing around with building RPM packages today on CentOS because I needed to upgrade curl and the latest version available on CentOS didn’t have the features I needed to use. One of the things that had come h up during the RPM build process and the RPM package installation process using yum was…

Technology Insights

Not enough random bytes available. Please do some other work to give the OS a chance to collect more entropy! (Need 283 more bytes)

InsightsBy alexMarch 3, 2010Leave a comment

When working to create a GPG key to sign some RPM packages I was building I ran into a message I had never seen before. I was building the RPM packages on an older server with not a lot of power which I am assuming contributed to my issue. The error is noted below but…

Technology Errors

curl: option –libcurl: is unknown, curl: try curl –help for more information

ErrorsBy alexMarch 3, 20101 Comment

I have been working on setting up some automated tasks at work that use curl to connect to FTPS on a remote server. On one of the development servers I was testing from I attempted to issue a curl command using the “–libcurl” switch which returned an error. This command was recommended by a coworker…

Technology Errors

Yum Error: Package curl-7.20.0-1.i386.rpm is not signed, Install A Yum Package That Is Not Signed

ErrorsBy alexMarch 3, 20108 Comments

Today I have been working on a project for work that involved accessing FTPS using curl. I needed the curl –libcurl switch which is not available in curl 7.15 so I needed to upgrade curl on the CentOS server I was working on. The problem is that there are not any repos with newer versions…

Technology Insights

Prevent Framebuffer Terminal from Going to Sleep

InsightsBy purehateFebruary 25, 2010Leave a comment

I’m back with another short post. Today I was adding a screen to one of my racks and I wanted it to display data such as a top session or something of that nature. They are servers so there is no X-server. I got the screen all hooked up and running they way I wanted…

Technology Errors

ERROR: Error installing webrat: Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers.

ErrorsBy alexFebruary 23, 20102 Comments

One of my tasks today at work was to install numerous Ruby gems on a couple of our development servers. One of those gems was called webrat which is used for “Ruby acceptance testing and for web applications”. When I attempted to install webrat using “gem install webrat” from a Linux shell I received some…

Technology Insights

The Social Engineering Toolkit: Creating Fake Web Sites to Own Boxes

InsightsBy purehateFebruary 23, 201041 Comments

One of the hottest new tools in Backtrack 4 final is the Social Engineering Toolkit otherwise known as SET. The tool was written by a major contributor to Backtrack, David Kennedy (ReL1k). He is also a friend.  The homepage for SET is http://www.secmaniac.com/ and there is more useful information there.

Technology Insights

Safari Shortcuts For The Safari Web Browser On Windows Operating System

InsightsBy alexFebruary 14, 2010Leave a comment

There are many references to Safari shortcuts for OSX on Apple computers but not as many for Safari shortcuts on Windows computers so I figured it may help some people to have a reference for Safari shortcuts on computers running Windows. The below shortcuts have been specifically tested on Windows 7 Ultimate 64-bit and Windows…

Technology Insights

Error(s) executing /usr/bin/nagios -v /usr/share/nagios/monarch/workspace/ nagios.cfg Permission Denied

InsightsBy alexJanuary 30, 20102 Comments

Earlier in the week when moving Nagios from one server to another I ran into a bunch of random issues with Monarch which is the Nagios configuration file manager I use. After I got everything installed and thought that I was past any errors I ran a Pre Flight Test on the Nagios configuration files…

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