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Unanswered Questions

10,698 questions with no upvoted or accepted answers
15
votes
1answer
5k views

Setting up a Bluetooth PAN

I am trying to create a Bluetooth PAN between two devices where I can access REST based web services over the Bluetooth connection. I have had some success with various proof of concepts (both ...
11
votes
2answers
8k views

Occasionally losing wired LAN connection on Ubuntu 16.04

I've recently put Ubuntu MATE 16.04 on a computer, which I'm using as a file server, among other things. Twice in the past few days it's lost connection to the LAN. I was in a hurry to get it back up, ...
10
votes
0answers
4k views

How to mount a samba share on non-standard port?

The firewall on my network drops all packets on TCP port 139 and 445. So all samba shares don't work outside the LAN. I tried letting the samba daemon listen on a non-standard port. This method works ...
9
votes
1answer
3k views

Resolve Docker containers from host machine

I'm running Docker 1.12.1. I got a few containers on a user-network (bridge type), each container assigned a --network-alias. Containers resolve each other correctly, but the host is not able to ...
8
votes
1answer
495 views

Attach to the same tmux session from different nodes of a cluster

I'm working on a computing cluster which has several hundreds of nodes. A load-balancing scheme picks an idle node to login to when ssh-ing into the cluster. As a result, it is very unlikely to re-...
8
votes
1answer
33k views

Open settings of X network adapter from CMD/BAT

How to open setting of the specific network adapter via commandline in Windows 7 Enterprise? I'm under domain user but also have access to local administator user. Under domain user I have no rights ...
8
votes
1answer
501 views

Forcing *BSD to accept both IPv4 and IPv6 traffic on a single socket

I have tried a ton of stuff and keep coming up entirely empty handed. Allow me to frame the situation: I have a *BSD Jail setup in FreeNAS that runs a Plex Media Server (Plexpass). It has IPv6 ...
7
votes
0answers
4k views

Raspberry Pi won't bring up wlanX interface - multiple wireless interfaces

Let me jump straight in. I am using a raspberry pi 3 running latest version of raspbian (pixel) as a router/wifi hotspot I have 3 wireless interfaces: built in wifi interface (brcmfmac) TP-Link ...
7
votes
1answer
935 views

Allow traffic through a firewall to a dynamic IPv6 address

Suppose I have this configuration on IPv4 right now: My router (a Linux box) is connected to the Internet on eth0 and my LAN on eth1. I want to forward port 80 to 10.1.2.3. Here's how I'd currently ...
7
votes
2answers
3k views

Cannot make mobile broadband Vodafone USB connection Ubuntu 13.04

I have Ubuntu 13.04 and I bought yesterday a Vodafone USB stick for internet connection. I am located in Romania. This is what I've did: First Thing Network Connections, added connection. Selected ...
7
votes
1answer
1k views

sshfs: cannot set file timestamp

Using sshfs with autofs on Ubuntu, I cannot set timestamps on remote files: $ touch /sshfs/server/some/file touch: setting times of `/sshfs/sshfs/server/some/file': Permission denied I do have write ...
6
votes
1answer
253 views

How to bridge two LAN segments through serial port using Linux?

I have an application where two subnets are bridged transparently through two Serial to Ethernet Bridges and a null modem serial cable (RS-232, TX and RX only). This setup behaves exactly as an ...
6
votes
1answer
1k views

“reply from unexpected source” when DNS server is running as docker container in the docker host

In a machine with IP 192.168.100.6, I can run a docker container and perform dns without issues from within the container: $ docker run --rm -it xenial-networking bash root@255c2ffc38cb:/# dig ...
6
votes
1answer
2k views

Windows firewall - Predefined set of computers

In the built-in firewall for Windows (Windows Firewall with Advanced Security), the definition of a firewall rule includes a Scope, which is a set of IP address filters which apply to the rule. There ...
6
votes
0answers
5k views

What IP/ports should be opened for Docker Hub?

Given our client's restrictions, we cannot have our VMs completely open to the internet. However, we sometimes need to pull Docker images from Docker Hub. We can white-list IP addresses and ranges, ...

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