It has been about two years since I have visited a specific rack closet, and took pictures. Several days ago I have visited the same rack closet, and took some new pictures. You can tell time went by 😉
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I have an iPaq running Windows Mobile 2003 SE. The above error was something I’ve seen when I tried installing SkyPE for PocketPC on it. It appears that SkyPE have decided to sign cab files, according to some new (and pretty unexplained) concept of MS, disregarding any existing non-WinXP or non-ActiveSync4.2 users (and I am…
ISPs which enforce QoS limitations suddenly, without alerting the customer, are abusing their force. QoS limitation is not a bad thing, from the ISP’s point of view, but changing the customer deal without notifying him seems to me to be unfair. This is a recipe for a QoS workaround. Ingredients: One fast Internet connection which…
I will discuss the issue of placing a Linux machine as a router, and some special cases where things might play a bit different. The most common scenario is of placing the Linux as some sort of PPP or DHCP-via-cables router. It might look like this: In this picture, the Linux machine actually recieves, via…
I have OnePlus 7 Pro. Following the recent update to Android 9, (Just now updated to Android 10, so I don’t know if this problem still relevant) – Once every 2-3 weeks or so, the phone would not wake up from sleep, and remain having a black screen. Long-pressing on the power button has no…
This post will offer several tips and tricks for wiring cables into new rack closets. It uses pictures as a demonstration of what to do and what not to do. It is based on a job I have taken part in with several other companies, moving the server farm to a new location. This job…
Air Conditioning is considered a complicated matter. Not that it is so mathematically, but measurements, except for the general notion of “hot”, “hotter”, “cold” and “colder” are rather complicated, and require tools which are not common with the maintainers of server rooms. We trust flow diagrams, and air flow schema, however, the outcome should be…
