SSH usage

Tags: SSH  

Allow ssh login between machines without passwd, each client will create a private key and public key and send public key to target manchine, then it will access without password.

leon Published by 2016-01-05 12:40

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NBD usuage

Tags: NBD  

This article is about how to use NBD(network block device) in a virtualization enviroment, we setup a nbd server and use their disk files to provide block devices for other clients. Also we could use remote nbd by kvm support instead of nbd client. 

leon Published by 2015-12-17 10:57

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VNC remote access Libvirt vm

Tags: Libvirt  

When I try using vncviewer to remote access a libvirt virtual machine, it shows error:

VNC Viewer Free Edition 4.1.1 for X - built Apr  2 2015 21:51:06
Copyright (C) 2002-2005 RealVNC Ltd.
See http://www.realvnc.com for information on VNC.

Wed Dec 16 11:24:12 2015
 main:        unable to connect to host: Connection refused (111)

leon Published by 2015-12-16 13:26

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Renew ip address for DHCP way

Tags: Network   DHCP  

I had a wired situation tomorrwo, could get the ip address, set up apt.conf and proxy correctly, but could not connect network, could ping a inner desttop, then my friend found that it responses twice when ping this ip, so it probably is that the ip is used by other people stactly, so I need to get a new automatic ip address, here is what I did,

leon Published by 2015-12-15 12:52

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