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The next two nameservers are the ISP's DNS servers in both Linux systems, but Google's public DNS servers in the Mac.

Check this against the MacĪll nf files show the first nameserver as 192.168.2.1. Make sure that they both point to the same "gateway"?Įvery system on the network points to the wireless Internet router as the gateway. It's like the Mac pinging Ubuntu, only even less reliable. I will now ask in an Ubuntu forum why Ubuntu can't sustain the connection. Therefore this question, why the Mac can't stay connected to some Linux systems, remains unresolved. There's also something different about the Mac, because whenever I couldn't connect to the Linux laptop from the Mac I could always connect from the nearest Windows laptop. There's something different about Ubuntu that makes it impossible for the Mac to stay connected to it in a wireless infrastructure network. That says the hardware on the laptop is OK, and Linux is basically OK. I booted Fedora and ran a ping -i 30 to it from the Mac, and it ran overnight with only a few isolated failures to receive a response before timeout. The laptop also has an earlier installation of Fedora. I didn't mention that the Linux distribution is Ubuntu.

That is, sometimes the Linux system could get responses when the Mac couldn't, and sometimes Mac was getting responses when the Linux system didn't. Both runs showed long intervals when they couldn't connect, but these intervals were not related. I ran ping -i 30 from the Linux laptop to the Mac at the same time for a few hours. And I never have a problem reaching the Internet it's only the local shares that give me trouble, and only with the Mac as a client. I have a wireless network, security = share because the older Windows systems can't connect if I have security = user, static IP (DHCP is disabled), the Linux system is a WINS server, and both the Linux system and the Mac (a Mac Mini running OS X 10.6.4) have hosts files. What should I be looking at? It might be in smb.conf on the Linux machine, but I don't see how that could intermittently prevent pinging it. My problem is a Linux laptop (running the latest Ubuntu) that I can sometimes connect to, but sometimes I can't even ping it, even though Windows systems on the network can connect to it. I always get connection failed for a laptop running Windows for Workgroups, but that doesn't bother me. I can get almost all the shares back into the sidebar by using Go / Connect to server, with two exceptions. I'm having the same trouble as in the thread on "Shared Devices intermittently missing in finder sidebar." at