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visits member for 4 years, 2 months
seen Mar 25 at 22:46

Jan
3
comment What happens when 2 hosts simultaneous establish a connection in a 3-way handshake
@MaQleod, right, by different set of ports I meant the port on either side has to be different.
Jan
2
comment What determines the page size and the cluster size?
Please don't cross post: unix.stackexchange.com/q/176963/7285
Jan
2
answered Any performance implications of LVM and ZFS snapshots over time?
Jan
2
comment How do I extract Flash content from a PDF file?
What?! A pdf can not have flash content embedded.
Jan
2
answered What happens when 2 hosts simultaneous establish a connection in a 3-way handshake
Jan
2
comment What happens when 2 hosts simultaneous establish a connection in a 3-way handshake
@SvW, two connections can only be established if different ports are used. I can't tell from the question whether the author assumes the same set of ports or understands the relevance.
Jan
1
comment To get Subversion to work with a remote client server, what do I need to do?
Umm, yes, if you want to access the server using http, you need an http server running on it. A quick google for subversion manual finds it and it explains different ways how to set up a server, one with apache, and one with the stand alone svn:// server: svnbook.red-bean.com
Dec
29
comment how do torrent clients circumvent router's firewall?
@user907860, it is, but it isn't. What I mean is that there is no connection setup and teardown protocol like there is for TCP, but pretty much everyone that uses UDP in practice responds using the same port as the first message, so routers take advantage of this to infer that there is a "connection" going on that they need to forward, otherwise UDP would never be able to traverse a NAT firewall.
Dec
29
comment how do torrent clients circumvent router's firewall?
@user907860, then in that case they must be connections that you initiated and are still considered open after closing the client. Until the router believes they are closed ( and the only way to detect this with UDP is with a timeout, which is normally kept fairly long to avoid closing connections prematurely ).
Dec
29
answered how do torrent clients circumvent router's firewall?
Dec
29
comment 2 slot external hard drive dock with 1 eSATA connection?
You're a bit off on two points: first the hot plugging depends on the dock, not the controller's support for pmp at all. Second, it doesn't matter whether you mount or unmount the filesystem: without pmp support only the first drive will ever show up at all, and you can unmount and remount it all you want just like with a single drive.
Dec
29
answered 2 slot external hard drive dock with 1 eSATA connection?
Dec
29
comment Will using an external hard drive for gaming affect its lifetime?
And you think that using a HDD somehow shortens its life, or that there is something special about it being external?
Dec
28
comment run a computer without RAM?
@reirab, there are only 16 64 bit general purpose registers, but there are also another 16 128 bit mmx/sse registers. This is actually what is responsible for most of the performance improvement of 64 bit; on 32 bit of the 8 general purpose registers, only 7 can be used and none are preserved across a function call, so lots of local variables have to be saved and restored to/from the stack, and all arguments are put on the stack. With 64 bit, 15 registers can be used for local values and 6 of them are preserved across function calls so often those values don't need to be saved to the stack.
Dec
28
comment Is it better to use a laptop on battery or on AC power?
This answer really fails to address the question, which is about whether to run while plugged in vs. charge up, unplug, discharge, rinse, and repeat. The answer to that is a definite keep it plugged in, as charge/discharge cycles do wear out the battery. Short of that, it is deep discharge cycles that put the most wear on, so plug in before the battery gets low.
Dec
28
comment How to configure Switch Router and Two Different Computer with one single Internet Connection?
Your question is unclear: the short answer is generally that you do not have to do anything because commonly available routers these days perform Network Address Translation to allow any number of computers connected to them to all share internet access with a single IP address leased from your ISP.
Dec
28
comment run a computer without RAM?
32 bit x86 cpu registers are only 32 bits, not 64, and 64 bit x86 cpus have 32 rather than 8 of them.
Dec
26
comment PC starts to be noisy some time after Ubuntu is installed
Well, doesn't seem to be just a hot cpu running the fan faster so its either shot bearings or the disk drive. You'll have to figure out which and replace it.
Dec
26
comment Efficient way to refresh an external hard disk
Indeed, the linked answer is wrong and disks do not automatically read and rewrite sectors when idle.
Dec
26
comment PC starts to be noisy some time after Ubuntu is installed
Is the cpu temperature high? Check with sensors.