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0919ELSEADM Admin tasks

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The Official X-Itools ELSE 0.9.19 Administrator's HOWTO

Edited by Nicolas HAHN < hahnn@x-itools.com > / < hahnn@erios.org >

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Administrator's required skills
Administrator's tasks

Administrator's required skills

An ELSE Administrator must be a SMTP administrator/architect or Messaging administrator/architect, and can be a system administrator/architect.

Here we list most of the knowledge areas that an ELSE administrator should be able to demonstrate.

Must-have skills

An ELSE administrator must be able:

to perfectly understand the messaging infrastructure in which the ELSE system is installed
to perfectly understand the messaging protocols, like SMTP. For example you must be able to generate by hand a SMTP session via telnet on a SMTP server.
to perfectly understand the way some core internet services must be configured for messaging services. In particular, you must have a perfect knowledge of DNS and some dedicated records like A, PTR, MX, TXT, SPF ones
to refer to internet RFCs dealing with messaging standards
to show evidences of knowledge about messaging threats
to support the other ELSE administrators and users
to support, even pilot, the messaging administrators/architects

Should-have skills

An ELSE administrator should be able:

to demonstrate good knowledge of GNU/Linux, generally speaking
to demonstrate good knowledge of Postfix and understand its configuration directives
to demonstrate good knowledge of Exchange Server logging
to demonstrate good knowledge of Rsyslog and understand its configuration directives
to demonstrate good knowledge of PostgreSQL database as an administrator, and as a user
to demonstrate good knowledge of security areas, in particular firewall rules and policies, iptables.

Nice to have skills

The above is considered a plus for an ELSE administrator:

knowledge of Microsoft Windows
knowledge of Postgrey
knowledge of Apache HTTPD
knowledge of PHP >=5.3
knowledge of ExtJS >=4.1.3 framework
knowledge of Javascript

Administrator's tasks

As an ELSE administrator, you'll have to perform the main tasks below:

configure the Rsyslog daemon of the ELSE backend server to distribute the load on the ELSE database
configure new Postfix servers, GreyLSE servers, GreyLSE clients, Exchange servers in the ELSE WUI
manage ELSE groups and ELSE users with their permissions in the ELSE WUI
provide greater level of support to the other ELSE users, and generally speaking to solve any issue related to the messaging services
work together with system administrators when they install new Postfix servers to be integrated in the ELSE environment
work together with the DNS administrators when you'll have to provide them change requests about DNS records
and basically, you'll have to perform any task described in The Official X-Itools ELSE 0.9.19 User's HOWTO