Evaggelos Balaskas - System Engineer

The sky above the port was the color of television, tuned to a dead channel

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Nov
18
2018
Apple iOS Vs your Linux Mail, Contact and Calendar Server
Posted by ebal at 20:51:19 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

The purpose of this blog post is to act as a visual guide/tutorial on how to setup an iOS device (iPad or iPhone) using the native apps against a custom Linux Mail, Calendar & Contact server.

Disclaimer: I wrote this blog post after 36hours with an apple device. I have never had any previous encagement with an apple product. Huge culture change & learning curve. Be aware, that the below notes may not apply to your setup.

Original creation date: Friday 12 Oct 2018
Last Update: Sunday 18 Nov 2018

 

Linux Mail Server

Notes are based on the below setup:

  • CentOS 6.10
  • Dovecot IMAP server with STARTTLS (TCP Port: 143) with Encrypted Password Authentication.
  • Postfix SMTP with STARTTLS (TCP Port: 587) with Encrypted Password Authentication.
  • Baïkal as Calendar & Contact server.
    To see the entire article, click uppon article's title/link.
    Thank you.
    Tag: apple, iOS, dovecot, postfix, baikal, starttls
Nov
18
2018
Cloud-init with CentOS 7
Posted by ebal at 14:04:17 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

Cloud-init is the defacto multi-distribution package that handles early initialization of a cloud instance

This article is a mini-HowTo use cloud-init with centos7 in your own libvirt qemu/kvm lab, instead of using a public cloud provider.

 

How Cloud-init works

cloud-init.png

Josh Powers @ DebConf17

How really works?

Cloud-init has Boot Stages

  • Generator
  • Local
  • Network
  • Config
  • Final

and supports modules to extend configuration and support.

Here is a brief list of modules (sorted by name):

  • bootc...
    To see the entire article, click uppon article's title/link.
    Thank you.
    Tag: cloud-init, libvirt, qemu, kvm, centos7
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