On 02/07/2014 01:20 PM, Tim wrote: > Allegedly, on or about 07 February 2014, Roger sent: >> Is it possible, while the pc is switched on during the day to use the >> CentOS as a server for development without affecting or accessing my >> working Linux installations? > Unless you're sharing some drive space between each installation (such > as a common swap partition, or things like sharing the user data > directories between each OS), then one OS doesn't do anything to the > other operating systems. > > I've done that sort of thing before - having totally independent > multiple installs in one PC, and having shared data directories between > them. > > You shouldn't need to unplug a drive to make a fresh install clean from > any other installs, however it does make easier to avoid accidentally > selecting the wrong drive to install to. But, on the other hand, if > you're changing what drives are plugged in, or playing with BIOS options > for which one to boot up, the system may identify each drive differently > (e.g. what was considered the first and second drives might be numbered > differently). > > >> Will a thompson gateway TG782T ADSL modem/router be sufficient to act >> as a basic server modem for the above proposal. > Never seen one, but just Googling the name produced several links about > problems with them. > > Over the years, I've gone through about three ADSL modem/routers, two of > them Billion's, and another that I can't recall. All were much of a > muchness, worked well enough until random technical failures occurred, > as any electronic device may suffer from. > > Some routers overheat, badly, because the casing is a bad design, > air-flow wise, but you can circumvent that by sticking a fan next to > them. > > I'm inclined to believe that my problems stem from how most domestic > ethernet ports are not floating transformer coupled on the data lines. > So any ground loops between the equipment can stress them. It gets > worse when you interconnect equipment across different rooms or > buildings, especially when equipment uses ungrounded switchmode power > supplies. Expensive routers/switchers use galvanically isolated > ethernet ports that avoid that problem (there's a signal transformer > between inputs and outputs, with only a magnetic coupling between each > side of the transformer, and they're rated to handle significant > undesired interferring signal voltages without dying). > > One issue might be the sharing of your home directory. Usually the issue is with the desktop and the dot files. -- Jerry Feldman <gaf@xxxxxxx> Boston Linux and Unix PGP key id:3BC1EB90 PGP Key fingerprint: 49E2 C52A FC5A A31F 8D66 C0AF 7CEA 30FC 3BC1 EB90
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