2008/12/7-10 [Computer/SW/OS/Linux] UID:52189 Activity:low | 12/6 I'm running 64bit VMWare 2.0 in debian lenny/testing. I have 18
guest VMs running, all in bridged mode. Works great. the 19th VM
I turn on has no working network. No net, dhcp/tftp doesn't work,
nothing. Can anyone think of a network or kernel setting in Linux
that would prevent any more VMs from getting network access?
Is there a limit on number of bridge interfaces? Where is this
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2008/10/16-17 [Computer/Networking, Computer/HW] UID:51550 Activity:nil | 10/15 Has anyone else used dnsmasq for DHCP and PXE booting? Have you found
a way to specify the 'next-server' option with dnsmasq?
conventional DHCP daemons let me specify 'next-server', I can't
figure out how to do it with dnsmasq. Thanks - danh
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2007/8/9-13 [Computer/Networking] UID:47570 Activity:low | 8/9 Is there an automated way to change the IP of an XP machine? I have
tests that need to get run on two separate sub-nets that now require
me to physically go in and change the IP address of the test box.
Cygwin is also installed if that helps any. Thanks
\_ There are a few sort of hackey ways to do it:
1) automate the mouse clicks and key strokes witto do it:
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2006/2/18-23 [Computer/Networking] UID:41923 Activity:low | 2/18 My DSL modem's ip address is 192.168.0.1, my internal network
behind my router is 10.0.0.x. Is there a way I can configure
the router so I can access the DSL modem from my 10.0.0.x
network directly without re-wiring? Static routes? I tried it
but no much luck. I also tried changing my internal network to
192.168.0.x, but still does not work. Thanks.
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2006/1/28-31 [Computer/Networking] UID:41585 Activity:low | 1/28 Just switched to Comcast from SBC and generally happy with it. But
can someone please explain to me why they are constantly pumping
ARP traffic through the network? It seems harmless, but I'm curious
as I didn't see it with DSL. It's a little disconcerting to see
constant traffic on your router, even if ARPs are harmless from
a bandwidth perspective, and it makes the WAN send/receive light
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2006/1/22-24 [Computer/Networking] UID:41477 Activity:nil | 1/21 I am trying to setup a small network for my girlfriend's
mom's company. They just bought an accounting package
which requires windows 2003 server. And they want internet
access from each computer. How should the network be setuped?
Would it be dumb to use static IP for each computer and a
computer as internet gateway?
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2005/8/29-30 [Computer/Networking] UID:39329 Activity:moderate 54%like:37400 | 8/29 What's the difference between a hub, a switch and a router? Thx.
\_ AFAIK, probably be corrected by someone:
hub: Allows communication on a LAN with bandwith shared amongs all
the nodes on the hub and maxing out at the max line speed.
switch: Allows communication on a LAN with bandwith greater than
the max line speed (point to point)
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2005/5/12-15 [Computer/HW/Laptop, Computer/Networking] UID:37661 Activity:low | 5/12 Hi, I run windows Xp home edition on my laptop. It's hooked up
to my DSL router via ethernet most of the time. When I want to
just use the laptop without a net connection, the laptop sometimes
locks up and becomes really really slow. To the point where I can't
even right-click on the network icon to disable it temporarily.
I can't even do Ctrl-Alt-Delete to bring up the task manager.
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2005/1/17-18 [Computer/SW/Virus] UID:35750 Activity:nil | 1/17 Update on the Win2K box that couldn't get DHCP or resolve DNS. I tried
installing NetBEUI, removing TCP/IP, rebooting, installing TCP/IP, but
that didn't work. Then I installed Ad-aware and it found and removed
"VirtuMonde", an adware infection. Everything worked after that.
Removed everything else found by Ad-aware, and installed about 10
critical updates.
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2005/1/13-14 [Computer/Networking] UID:35697 Activity:high | 1/13 I need help fixing someone's Win2K box. Setup: Win2K box -> D-Link
router -> DSL modem. The Win2K box cannot obtain a DHCP address
(other computers can). So, I assign a static IP, and set the default
gateway and DNS server to be the D-Link router. After this, the Win2K
box can access web pages on the Internet as long as you specify the
web site IP address directly -- but DNS doesn't work. Computer used
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2005/1/3-5 [Computer/Networking] UID:35531 Activity:kinda low | 1/3 So I installed Debian (Sarge) on a home server for various reasons
(including learning about Apache 2) and have a question: how do I get
all the useful information about my machine that I get in Windows with
ipconfig /all? And how do I turn DHCP on or off? Set the host
name/ip?
\_ ifconfig, man ifconfig for full details. ifup/ifdown to
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2010/1/22-30 [Computer/HW/Laptop, Computer/SW/OS/OsX] UID:53655 Activity:high | 1/22 looking to buy a new development laptop
needs ssdrive, >6 hr possible batt life, and runs linux reasonably
Anyone have a recommendation? Thx.
\_ thinkpad t23 w ssdrive and battery inplace of drive bay
\_ Ever wondered what RICHARD STALLMAN uses for a laptop? Well,
wonder no more!
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2009/7/28-8/6 [Computer/HW/Drives] UID:53216 Activity:nil | 7/28 Does it make sense to defragment disks on VMWare? My 80GB disk
on VMWare isn't really using 80GB, it just uses what it needs.
Will defragment do anything to it?
\_ If you want to speed up disk operation in your VM, it's best to
defragment the disks in your VM, then defragment the disk on your
host machine where the VM files are.
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2009/5/2-6 [Computer/HW/CPU] UID:52936 Activity:nil | 5/2 why would my php application chew up 20-30 percent of my CPU when
run on a real machine, but will consitently take up 60-70 percent
of CPU when run in a vmware vm ?
\_ the real CPU has more capacity.
\_ Yes, did you allocate all of your CPU to the VM? Maybe you only
gave it one CPU or something like that.
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2008/12/4-10 [Computer/HW/CPU, Computer/HW/Drives] UID:52163 Activity:nil | 12/4 A question to you old crufy alumni: So lately we've suggested
VMs, and been asked why it's necessary. We've suggested top-of-the-line
hardware and been told we don't need that much power. So I'd like to
ask -- what exactly do you think the CSUA is supposed to _be_?
\_ Noone said VMs weren't needed. They suggested you use the
\_ No one said VMs weren't needed. They suggested you use the
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2008/11/29-12/6 [Computer/SW/OS/FreeBSD, Computer/SW/OS/VM] UID:52129 Activity:moderate | 11/29 I'm experimenting with virtualization, and as a poor college student
I'm wondering what the best alternatives for virtualization are, and
how best to cut my teeth on messing with non-linux platforms (or I
guess interesting stuff on Linux would work too). Right now I've got
FreeBSD7 running on KVM on my home computer (on a Core 2 Quad), and am
somewhat at a loss as to how to use it. (More details: bridged
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2008/6/8-12 [Computer/SW/OS/Windows, Computer/SW/OS/VM] UID:50186 Activity:kinda low | 6/8 hey nerds, Virtualbox is totally awesome. My host OS is
current ubuntu, I'm running Windows as my guestos, I can transfer
files, copy/paste, all of that crap
\_ Cool, I was thinking of looking into this soon. How well does
it work? Can I run most windows programs pretty well? ActiveX?
Games?
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2008/4/3-9 [Computer/HW/Memory, Computer/SW/OS/Windows] UID:49655 Activity:nil | 4/2 Anyone try vmware player and notice that network performance
becomes terrible? I mean things like webpages timing out, etc.
This is in NAT mode on a windows XP host running a windows 2K guest.
\_ I use VM Server on XP Pro running XP Pro guests in NAT mode. No
such problem.
\_ I use VM Server on XP Pro running two XP Pro guests in NAT mode. No
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2007/4/7-10 [Computer/SW/Unix] UID:46230 Activity:nil | 4/7 Dear VMWare users. I just want to post this because I spent an
entire day trying to find out why my Ubuntu 2.6.18 has a serious
time drift problem on host WinXP Pro. The problem is that even
when you run vmware-tools and sync the time between your VM and
your host, there is still a delay-- vmware-tools syncs every once
in a while, and since my VM is so slow it doesn't catch up and
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2005/6/17-20 [Computer/SW/OS/VM] UID:38175 Activity:nil | 6/17 I'm trying to use VMware Tools to "shrink" my Fedora Core 3 partition.
Note that VMware "shrink" means to claim space not used by the
vm so that the host will have extra space. This is important
because when you create a big file in VMware and then delete it,
the host still keeps the big file and wastes space. My problem is
that VMware tool only recognizes /boot as something that is
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2005/4/14-15 [Computer/SW/OS/VM] UID:37188 Activity:nil | 4/14 I'm a bit baffled by VMWare. Inside the VM, the reported disk usage
is 2G. But outside the VM, the disk size is 5.6G even though I already
1) defraged inside the VM and 2) defraged using VMware. Why is that?
\_ You can specifiy whether you want to allocate a huge disk or only
allocate as it's used. Which did you choose?
\_ VMWare has a checkpointed file system. Good for "rollback" to
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2005/3/8-10 [Computer/SW/OS/VM] UID:36584 Activity:low | 3/8 Anyone work for VMWare here? care to comment on the how it is? Thx.
\_ Yes. I like it a lot. --jameslin
\_ Is VMWare related to the "VM" OS on IBM mainframes?
\_ IBM mainframes did do virtualization back in the day, but
otherwise, no.
\_ they still do today; it's the basis of their linux
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2005/2/25-28 [Computer/HW/Memory] UID:36429 Activity:low | 2/25 To people running VM Ware, how much memory do you have? I have p4-1.7
and 256mb and its slow. How much memory do I need?
\_ A lot. You are running 2 operating systems. I'd double your RAM
at a minimum and more is better.
\_ Two OS's plus VMWare itself.
\_ 256 MB of RAM is not that much. If you're using a Windows host,
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