Keep people away from xterm or any terminal type login (that's how I do it)
I give them nothing but icewm and it only has shortcuts to the apps that they need to use if they need more they call me and I give them more. I know that obscurity isn't security but it is a good start. Matt > -----Original Message----- > From: Hans Ekbrand [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, March 05, 2002 3:21 PM > To: [EMAIL PROTECTED] > Subject: [Ltsp-discuss] k12os [was Re: hardware demands for Server when > having 160 client computers?] > > On Tue, Mar 05, 2002 at 03:18:33PM -0500, Julius Szelagiewicz wrote: > > Morten, > > do yourself a huge favor and look up the K12Ltsp aka K12OS at > > <http://www.k12os.org> > > they have just what you need; a full distribution based on rh7.2 > > and ltsp 3.0 meant for use in the schools! it is awesome! and it works > > right out of the box. > > as to what you need for server(s), there are 2 schools of thought. > > 1 says "many little servers, if one fails, it is not a disaster". school > 2 > > says "any filure is a disaster to the administrator and one big > > "DEPENDABLE" server is better and cheaper than many small ones. both > > approches have merit. from my experience with systems big and small i > > learned that one server per geographical location works best for high > > bandwidth application, everything else is better done on a single big > > server. more to a point, i've run single server for 3000+ users with > >no< > > that is 0 downtime in 1.5 years and i've run setups with 9 servers for > 50 > > users with lots of downtime. server quality rules. as to the load: a > > single 4 processor 1GHz or better with at least 4GB should be adequate > > provided that not all 160 users hit various applications at the same > time. > > i would go for more memory first, more processors second and more speed > > third. good luck, and really look up the k12os distribution. julius > > Since I might go and offer LTSP to some schools around here, I find > your information most valuable Julius. I had a glance at k12linux web > site, but I did find it lacking in the security area. I remember that > security problem often plagued the administrators at your high school, > and many of us students used most of the time hacking/cracking in > those labs (not me though). > > Limiting users cpu load is one problem. Another one is if one user do > disk-access-intensive things like: > > grep -r foo / > > How do people on this list handle security problems like these with > ltsp in, say high-schools? > > Hans Ekbrand _____________________________________________________________________ Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto: https://lists.sourceforge.net/lists/listinfo/ltsp-discuss For additional LTSP help, try #ltsp channel on irc.openprojects.net
