Sohail Riaz

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  • How To Configure Dynamic DNS (Fedora Core 4 Setup)

    Nov 11 | Linux | Sohail Riaz | 45490 Views | with 39 Comments

    In this howto we will learn how to build a Dynamic DNS Server. Normally when we configure DNS, we use static entries to resolve any FQDN. If we are using DHCP in our network which gives dynamic IPs to every computer that turns on or requests one, then it is not possible to configure DNS statically. For that we should configure our DNS with DHCP in a manner that whenever a computer gets a new IP, its FQDN will be automatically updated with the new IP in DNS. Continue Reading

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  • Postfix with dkfilter (DomainKeys Implementation)

    Sep 26 | Linux | Sohail Riaz | 24851 Views | with 5 Comments

    DomainKeys is an anti-spam software application in development at Yahoo that uses a form of public key cryptography to authenticate the sender’s domain. dkfilter is an SMTP-proxy designed for Postfix. It implements DomainKeys message signing and verification. It comprises two separate filters, an “outbound” filter for signing outgoing email on port 587, and an “inbound” filter for verifying signatures of incoming email on port 25. This document is to describe step by step how to install dkfilter for postfix to deploy domainkeys signing and verification. Continue Reading

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    Apr 12 | 4 Views | 1 Comment

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    Oct 25 | 6 Views | 1 Comment

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    Apr 16 | 27542 Views | 2 Comments

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    May 21 | 33380 Views | 72 Comments

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    Jun 14 | 27556 Views | 7 Comments

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    Feb 16 | 35899 Views | 2 Comments

    Node Health Check Script in Cluster

    Apr 26 | 78317 Views | No Comments

    How To Install RED5 Server on Centos 5.3

    Aug 16 | 17 Views | 482 Comments

  • Add new tag BIND CPanel / WHM DHCP DNS DomainKeys ffmpeg Linux Mod_GeoIP MySQL Postfix Proxy RED5 RPM SQUID SSH WGET YUM

About Me

My name is Sohail Riaz, I am an expert level system administrator and worked in several reputed organization. I am currently holding a Senior Support Engineer post at ARAMCO Oil Company Saudi Arabia. I live with Open Source and have contributed several articles / howto’s and softwares. I have deployed several advance technologies including High Availability Clusters, Load Balancers, High End Web Servers, Cloud Computing and currently High Performance Computing Clusters.

Comments

  • Sohail Riaz says: @NASIM: It will be better to create single bond out of 4 or more interfaces you are using to create ...

  • MD NASIM AHMAD says: can we make bond0 and bond1 to bond3 where bond3 is combination of bond1 andbond2bond3=bond0+bon...

  • ether mahmud says: Is it possible to create in particular mail address .... plz share doc step by step...

  • Sohail Riaz says: @Albert: Please post your exim.conf. The error show issue with syntax. Regards, Sohail...

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Recent Posts

  • Apr 12 | 4 Views | 1 Comment

    Recover InnoDB tables using .frm and .ibd files

  • Mar 29 | 5 Views | 4 Comments

    Auto-Reply for Exim Mail Server

  • Oct 25 | 6 Views | 1 Comment

    Update Cobbler Signature File

  • Apr 16 | 27542 Views | 2 Comments

    HowTo Edit Initrd.img in RHEL/CentOS 6.x

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