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Questions tagged [namespaces]

70 questions
23
votes
14 answers

Long pause when accessing DFS namespace

We've recently migrated our Windows network to use DFS for shared files. DFS is working well, except for one annoying problem: users experience a significant delay when they try to access a DFS namespace that they have not accessed for some time. I…
Matt
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14
votes
2 answers

Chrome under Docker: CAP_SYS_ADMIN vs privileged?

I am running chromedriver + chrome inside Docker in my test environment. Everything was working fine until latest CoreOS upgrade. These are the versions that seem to work: VERSION=1185.5.0 VERSION_ID=1185.5.0 BUILD_ID=2016-12-07-0937 And this a…
Jakov Sosic
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13
votes
3 answers

How can I move an interface out of a network namespace?

If I move an interface temporarily into a netns with ip link set eth10 netns myns then it no longer is visible in the root, only within the namespace myns. How do I move it back, something like (these obviously don't exist): ip link unset eth10 or…
deitch
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10
votes
3 answers

Using namespaces in Powershell

Thought about it while answering this question. How can you avoid the need to fully qualify every single type in a namespace? It's really, really tedious to write System.Security.Cryptography.X509Certificates.X509Store instead of X509Store, or…
Massimo
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10
votes
1 answer

Macvlan based interface pings from host but not from namespace

[EDIT] The production system is currently a mix physical and ESXi based system. We obviously would never use virtualbox even for a pre-production environment ! It was used here only to quickly narrow down the problem directly on my desktop. Thanks…
yadutaf
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9
votes
1 answer

How do I mount a private /proc inside a namespace inside a docker container?

I have a need to create namespaces inside a Docker container. And as part of this, I will need to mount a /proc private to the inner namespace. I realize that I will have to run the container with certain privileges to make this happen, but I would…
Omnifarious
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8
votes
1 answer

Determine which DFS referral target a user is using

Our DFS namespace is set-up so that \\company.local\users is hosted on both a UK server and USA server with referral based upon the user's site. Works a treat except we suspect today, DFS failed over to the USA for some users. Only suspect because…
Rob Nicholson
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7
votes
6 answers

Do Containers Have An OS?

I know that containers use the host's kernel and from what I understand , that's the reason we do not need an OS. My questions are (and I couldn't find any good explanation online) : 1) If that's the case , hoe do we get a shell prompt and how do…
John Doe
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6
votes
1 answer

Cannot create nested network namespace

Is seems that one is not able to create a network namespace from a network namespace. It results in "Error: Peer netns reference is invalid.". Is this a bug or is there some kind of limitation that I am not aware of? Below is my cmd trace of the…
user98651
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6
votes
2 answers

Naming Convention for Virtual Machines

What is a good naming convention or scheme for a virtual machines? We are building a cluster of virtualization hardware servers in our headquarters and a similar cluster in each of our state offices (one cluster per state). We need to name the…
Mal
6
votes
1 answer

Applying ACLs to a Dovecot public namespace

I would like to provide access to some mailing lists via a set of public, read-only mailboxes in Dovecot. I have a public namespace define in my dovecot (dovecot-2.0.9) configuration that looks like this: namespace { type = public separator =…
larsks
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5
votes
1 answer

Access another process's mount namespace

Is there a way to inspect the files and directories of another mount namespace? setns(2) syscall appears to be able to move a thread to another namespace, but if this functionality is not already built in to a program (a shell, fileserver, ..), it…
Gima
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5
votes
3 answers

how to prevent direct access to DFS Namespace shared folders

I have made a DFS Namespace named \\dc1\bank. There are some other folders from another file servers(for example \\dc1\bank\folder1 is the folder on \\fs1\folder1). I want to restrict users to direct access to folders on the other file servers (for…
arash
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5
votes
2 answers

Linux list all network namespaces

I want to list all the network namespaces on my Linux machine. So far I found two recommended ways to do this: ip netns list And lsns --type=net Unfortunately both commands do not list all the namespaces! The first only lists the namespaces found…
Garuno
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4
votes
3 answers

Linode hosting & Godaddy

I have registered a domain name with godaddy.com, also I have rented out hosting space at Linode.com Linode has given me a permanent IP. How do I link this IP to the domain name at godaddy.com ?
Srikar Appalaraju
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