Category Archives: Web Site Technologies

Chiefly related to the technology behind publishing a web site.

The IT Detective Agency: Cisco Jabber Carriage Return problem fixed

Intro Cisco Jabber is a pretty good IM application. I’ve seen how it is a true productivity enhancer. But not so much when it doesn’t work right. The symptoms I hadn’t rebooted for awhile. I had a bunch of open … Continue reading

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Where is my IP without the aggressive ads

Intro To locate where any IP address is located – known as geoip – you can do a simple duckduckgo search and get an idea, but you may also get sucked into one of those sites that provides a service … Continue reading

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Pi-hole: it’s as easy as pi to get rid of your advertisements

Intro I learned about pi-hole from Bloomberg Businessweek of all places. Seems right up my alley – uses Raspberry Pi in your home to get rid of advertisements. Turns out it was too easy and I don’t have much to … Continue reading

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The IT Detective Agency: the vanishing certificate error

Intro I was confronted with a web site certificate error. A user was reluctant – correctly – to proceed to an internal web site because he saw a message to the effect: I tried it myself with IE and got … Continue reading

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A taste of the Instagram API

Intro I always want to know more about how things really work behind the scenes, so I was excited when I overheard talk about how one company uses the Instagram API to do some cool things. An API is an … Continue reading

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Open Notebook: How does Citrix printing work anyway

Intro I’m speaking of the old Citrix Receiver client. You launch that and that puts you in a Citrix ICA “jail.” I recently help a company move an app which had been a browser-based app to a browser within Citrix. … Continue reading

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Raspberry Pi USB webcam turned into IP camera

Intro Why would you even want to do this when you can buy a native IP webcam for less? I’m not sure, but i found myself in this situation so it could happen to others, and I found some things … Continue reading

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Server Name Indication and what it means for those with only a single IP address

Intro Sometimes everything is there in place, ready to be used, but you just have to either mistakenly try it, or learn it works by reading about it, because it may be counter-intuitive. Such is the case with Server Name … Continue reading

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Compiling curl and openssl on Redhat Linux

Intro I have an ancient Redhat system which I’m not in a position to upgrade. I like to use curl to test web sites, but it’s getting to the point that my ancient version has no SSL versions in common … Continue reading

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F5 BigIP irule: serving a dynamic proxy PAC file

Intro A large organization needed to have considerable flexibility in serving out its proxy PAC file to web browsers. The legacy approach – perl script on web servers – was replaced by a TCL script I developed which runs on … Continue reading

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