November 2012
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November 2012
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DjbDNS DNS Server On CentOS

djbDNS DNS Server On CentOS

What is djbDNS? And why do we use djbDNS? There is a new point of view to serve the dns service – each of the dns server functionalities is a separate service, like authority, cache, forward and so on.

The other difference is the daemon-tools which will rapidly restart […]

ProxyPassReverse

am using mod rewrite to mask the context root of my application. For example,

RewriteRule ^/directory/(.*) balancer://appcluster/directory/$1 [P]

The appcluster looks like this:

<Proxy balancer://appcluster> BalancerMember http://localhost:8080/App route=app_01 keepalive=On loadfactor=1 ttl=300 min=3 smax=5 max=15 ProxySet lbmethod=byrequests stickysession=JSESSIONID|jsessionid timeout=120 nofailover=On </Proxy>

Do I need to use ProxyPassReverse at all? I used to use it because my […]

SSH login without password

we need an automatic login from host A / user a to Host B / user b. You don’t want to enter any passwords, because you want to call sshfrom a within a shell script.

How to do it

First log in on A as user a and generate a pair of authentication keys. Do […]

SSH Keys

Introduction

Ssh keys (key biased authentication) can be used as an alternate to using your user’s login password (password authentication) to access a ssh server. Keys can be used with or without a password (not to be confused with the login password).

This document is intended as an introduction to using ssh keys to log […]