You might have a problem with the dns resolution. Add the ip of both the machine to both /etc/hosts or disable the dns options in the sshd config.
Ram on On Mon, Sep 12, 2011 at 5:34 PM, Shlomi Fish <shlo...@gmail.com> wrote: > Hi Kfir, > > On Mon, Sep 12, 2011 at 5:25 PM, Kfir Lavi <lavi.k...@gmail.com> wrote: > > > > > > On Mon, Sep 12, 2011 at 4:37 PM, Shlomi Fish <shlo...@gmail.com> wrote: > >> > >> Hi all, > >> > >> (I apologise from writing from my gmail.com account, but as you'll see > >> below, > >> writing from my home E-mail account is not bearable.). > >> > >> I have a desktop x86-64 Core i3 machine (running Mageia Linux 1) that > >> connects > >> via wired Ethernet to my NAT/router and there is a remote x86-64 Core > Duo > >> laptop (running Mageia Linux 2), connected via wireless. Often when I > type > >> commands on bash on the remote laptop via ssh, there is a significant > >> delay, > >> and moreover running claws-mail or gringotts (two fast gtk+ apps) from > the > >> laptop are slow, which hadn't been the case with my older desktop > machine. > >> tcpdump -i wlan0 on the laptop and htop on the laptop show nothing that > >> might > >> cause it. > >> > >> The delays in the connectivity were not bad with the previous desktop > >> machine > >> which was an old Pentium 4 2.4GHz machine, which was much slower and > >> underpowered. > >> > >> So far I tried: > >> > >> 1. Doing /etc/init.d/iptables stop on the desktop machine. > >> > >> 2. Relocating the laptop closer to the wifi NAT/router. > >> > >> Neither of those helped. > >> > >> Can anyone shed any light on this? > >> > >> Regards, > >> > >> -- Shlomi Fish > >> > >> > >> -- > >> ------------------------------------------ > >> Shlomi Fish http://www.shlomifish.org/ > >> > >> Electrical Engineering studies. In the Technion. Been there. Done > >> that. Forgot a lot. Remember too much. > >> > >> _______________________________________________ > >> Linux-il mailing list > >> Linux-il@cs.huji.ac.il > >> http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il > > > > Hi Shlomi, > > You need to edit 2 files: > > 1. edit /etc/ssh/sshd_config and add the line 'UseDNS no' > > 2. edit /etc/nsswitch.conf and make sure the line: > > 'hosts: files dns' > > have just the 'files' and 'dns'. delete everything else from this line. > > > > This will make ssh instant! > > > > Thanks for your advice. I added these suggestions on both hosts and > restarted sshd but I'm still getting the delays in typing the bash > commands on ssh and gringotts is still slow. > > Regards, > > -- Shlomi Fish > > > Kfir > > > > > > > > -- > ------------------------------------------ > Shlomi Fish http://www.shlomifish.org/ > > Electrical Engineering studies. In the Technion. Been there. Done > that. Forgot a lot. Remember too much. > > _______________________________________________ > Linux-il mailing list > Linux-il@cs.huji.ac.il > http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il >
_______________________________________________ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
