Fw: [xubuntu-users] Installation issues in school lab.

Jonathan Carter (highvoltage) jonathan at ubuntu.com
Wed Oct 6 14:53:32 UTC 2010

Hi Charlie

I guess updates over the ISDN line was much slower since ISDN is, well,
typically slower then DSL :)

The first boot was probably slower because it was doing readahead profiling?


On 06/10/2010 10:33, Charlie Kravetz wrote:
> An almost happy school teacher! Do we know what causes that initial
> boot slowdown?
> Begin forwarded message:
> Date: Wed, 06 Oct 2010 17:14:01 +0300
> From: Prekates Alexandros <aprekates at gmail.com>
> To: xubuntu-users <xubuntu-users at lists.ubuntu.com>
> Subject: [xubuntu-users] Installation issues in school lab.
> Hello to the list.
> I'm teacher and i've installed Xubuntu10.04  in two school labs .
> 1) 9 PCs : 256MB ,P4 adsl internet connection
> 2) 8 PCs : 756MB, P4 ,isdn internet connection
> Overall i managed to have a usable lab with software suitable for my
> students, and almost all hardware recognized (web camera,scanner,sound).
> So a great thanks to foss community and xubuntu.
> In the spirit of futher advance i want to share the tho major issues i
> encountered:
> a) in the isdn lab the installer was taking much much time possible
> getting updates? , and i had to unplug network cable to have a cd-only
> installation (with the intention to put apt-cache in the server)
> b) in both labs the first time i booted ,almost in all PCs, the system
> was extremely slow and according to system monitor more than 90% of ram
> was in use! Strangely i'could find a process to justify that so i guess
> the kernel must be responisible,but how ?
> In the second reboot ram utilization dropped to normal levels of 120MB
> most and system was usable again.
> Thanks.
> Alexander.
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