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hplip scanner: error during device i/o

Posted 09-06-2014 at 08:04 PM by vik

OK, this one was really annoying. I was able to print successfully using my HP printer but hp-scan/xsane would give me this error: "Error during device I/O." Then it would walk me through installing the proprietary plugin, which I had already installed from http://www.openprinting.org/download...es/HP/plugins/.

I ran hp-setup, hp-plugin, and hp-check hoping to find something obvious. Then a thread reminded me to check syslog, and I found this:
...
vik
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Old

Slackware-14.1-Squid 3.4.7

Posted 09-06-2014 at 05:52 PM by arniekat

Squid is a Caching Proxy Server that reduces bandwidth, improves response times by caching and reusing frequently-requested web pages so you have a faster Web Experience.

Compile and install Squid-3.4.7 (SlackBuilds.org has version 3.1.23, but I used the current version of Squid-3.4.7. You can use the SlackBuild framework to compile)

SQUID SETUP

With thanks to www.basicconfig.com and Arch Wiki

If you will be using the default user "nobody",...
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Old

Ubuntu 14.04 upgrade fails on 11-yr-old computer

Posted 09-06-2014 at 12:09 PM by flshope

I have an 11-year old computer running Ubuntu 12.04. The Software Manager has had the 14.04 upgrade available for about a month now, and I decided to give it a try. Since OS upgrades have traditionally been disasters for me, I decided to try the 14.04 upgrade on the old machine before risking my primary machine. If you happen to read my LQ blog, there are entries referring to Pogo2003, as I call my old machine.

The upgrade installer program warned me that some of my hardware wasn't...
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Old

How to install Zabbix (Monitoring tool) on ubuntu 14.04 server

Posted 09-04-2014 at 11:43 AM by sridhar11

Zabbix is the ultimate enterprise-level software designed for monitoring availability and performance of IT infrastructure components. Zabbix is open source and comes at no cost.

With Zabbix it is possible to gather virtually limitless types of data from the network. High performance real-time monitoring means that tens of thousands of servers, virtual machines and network devices can be monitored simultaneously. Along with storing the data, visualization features are available (overviews,...
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Old

The Truth Shall Set You Free

Posted 09-03-2014 at 04:38 PM by rocket357 (Musings on technology, philosophy, and life in the corporate world)
Updated 09-03-2014 at 05:13 PM by rocket357

Years ago I read Bradford Keeney's "Aesthetics of Change". I asked my Dad (who recommended the book) where Keeney got the ideas in the book, and he said "it's very different from our Western thinking, isn't it? A lot of it parallels Eastern Religion, particularly Taoism". That launched me on a series of questions regarding religion, human behavior, beliefs, cognizance, etc... that landed squarely on understanding philosophy...because afterall, you don't ask your next door...
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