Linux

oVirt tools on Gentoo

Submitted by stintel on

After getting my oVirt setup up and running, I wanted an easy way to open a Spice console to a VM on my Gentoo workstation. There are several ways to do this, as explained here. The easiest way is via the browser plugin, but I couldn't get that to compile yet. The next best option is using ovirt-shell, from the ovirt-engine-cli tools.

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How to really flush the various nscd caches

Submitted by stintel on

Since I keep finding posts that tell you to restart nscd to flush its caches, I'll tell you how to really do it.

The nscd caches are saved to disk, On my Fedora system, they are located in /var/db/nscd:


[root@dev402 ~]# ls /var/db/nscd/
group hosts netgroup passwd services

When you stop nscd, these files will just stay there, so restarting really doesn't flush your nscd caches.
What you need to do is use the --invalidate option, e.g.:


nscd --invalidate=hosts

Cheers

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Samba 3.5 on dual-stack Linux systems

Submitted by stintel on

It seems that Samba 3.5 has problems binding it's socket when running on dual-stack Linux systems. This is what I am seeing in log.smbd, right after starting Samba:

[2011/11/30 18:42:18, 0] smbd/server.c:1141(main)
smbd version 3.5.11 started.
Copyright Andrew Tridgell and the Samba Team 1992-2010
[2011/11/30 18:42:20.269303, 0] smbd/server.c:501(smbd_open_one_socket)
smbd_open_once_socket: open_socket_in: Address already in use
[2011/11/30 18:42:20.269350, 0] smbd/server.c:501(smbd_open_one_socket)
smbd_open_once_socket: open_socket_in: Address already in use

I am seeing this on at least 3 different Linux distributions:

  • CentOS 6.0 x86_64, samba-3.5.4-68.el6_0.2.x86_64
  • Gentoo 10.0 x86_64, net-fs/samba-3.5.11

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