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Comment: Re:How about net-install? (Score 2) 488

by cnvogel (#37956612) Attached to: Ubuntu 12.04 LTS Won't Fit On a CD

I recently reinstalled Oneric/ia64 on a few machines because of the recently included gcc-arm packages which always were a pain to self-compile.

I added a http-proxy (squid) on my local fileserver/NAS and used the netinstall through that proxy: No duplicate downloads, up to date packages for everything and I could start installing without waiting for the .ISO to finish downloading.

I highly recommend that method, and it should work for most distributions out there, possibly even for WindowsUpdate ;-)

Comment: Test it... (Score 3, Informative) 524

by cnvogel (#27666789) Attached to: Should Network Cables Be Replaced?

Cables don't get "old" by themselves, but they might have been installed incorrectly from the start (too tight bending, swapped pairs/cables, twisted pairs separated for a longer distance, shields not connected properly, grounding done wrong). Furthermore mechanical stress (too much work being done on a patch panel over the course of several years, cables pulled hard while moving racks, ...) might have damaged parts of the cabling.

To cut a long story short: Properly done CAT5 should be good enough for Gigabit, but often what's called CAT5 works well for 100 Mbit networks even though it doesn't meet the specs.

Get a decent LAN tester (not just two computers, using "ping") that prints out attenuation, crosstalk and all the other things... and preferably tells you what "category" your cabling still is compatible with. Replace all the stuff that's out of spec. Then you have hard numbers you can rely on should you ever ponder if your local network infrastructure can handle 100M/1G/10G bit/s. Everything else is guesswork.

Comment: Re:Why security sucks in Windows (Score 1) 496

by cnvogel (#27112023) Attached to: UAC Whitelist Hole In Windows 7

It is easier for the app developer to work around the problem by not requiring root privlege.

And if you really need elevated privileges, there's a proven mechanism (suid) that's been working for quite a while. Of course, you can have security holes that way, but at least the fundamental problems (like messing around with the elevated process) have been solved for ages...

Promising costs nothing, it's the delivering that kills you.