Monthly Archives: December 2006

links for 2006-12-17

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Technorati tags: linux, rpm, redhat, usermodelinux

User-Mode Linux: SKAS0 poorly documented

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It’s unfortunate that SKAS0 mode is poorly documented on the User-Mode Linux (UML) web site. For example, this page about SKAS doesn’t mention it. It is explained in Jeff Dike’s UML book though.

I wish they would update the UML web site as it gives the impression that TT and SKAS3 are the only choices, which is no longer true, as SKAS0 was added to the kernel in version 2.6.13.

Here are a handful of resources that I found that describe SKAS0:

Technorati tags: linux, usermodelinux

Installing NX Server Free Edition: Workaround for .ssh/config permissions error

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In the past 24 hours, I installed NX Free Edition on two Linux machines – one RHEL 4 and one Ubuntu and on both, the installation failed with this message in /usr/NX/var/log/install:

NX> 700 WARNING: Error when trying to connect to NX server, error is:
NX> 700 WARNING: NX> 203 NXSSH running with pid: 28823^M
Bad owner or permissions on /home/marca/.ssh/config^M.
NX> 700 WARNING: nxsetup cannot validate the sanity of the current installation:
NX> 700 WARNING: the current system or NX configuration could be broken.

I tried chmodding ~/.ssh and ~/.ssh/config to be more and less restrictive and could not get the message to go away. What does work however is if I temporarily rename my config file to _config, install NX, and then rename it back.

Hopefully, NoMachine will add this to their FAQs and perhaps see if there’s a bug in the install that should be fixed.

NX is great though. You should definitely check it out if you’re into remote administration and using something like VNC, RDP, or remote X11, which are much slower than NX.