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Feb
25
2017
Docker Swarm a native clustering system
Posted by ebal at 21:19:36 in blog, planet_ellak, planet_Sysadmin

Docker Swarm

The native Docker Container Orchestration system is Docker Swarm that in simple terms means that you can have multiple docker machines (hosts) to run your multiple docker containers (replicas). It is best to work with Docker Engine v1.12 and above as docker engine includes docker swarm natively.

Docker Swarm logo:
docker-swarm.png

In not so simply terms, docker instances (engines) running on multiple machines (nodes), communicating together (VXLAN) as a cluster (swarm).

Nodes

To begin with, we need to create our docker machines. One of the nodes must be the manager and the others will r...

To see the entire article, click uppon article's title/link.
Thank you.
Feb
14
2017
LDAP User Authentication on CentOS 7
Posted by ebal at 00:19:36 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

prerequisites

You need to already have a LDAP instance in your infrastructure that you can reach from your test linux machine. Your ldap has an organization unit for people and one for groups.

Ldap server conf

It is always a good thing to write your notes/settings beforehand:

Ldap Server: myldapserver.example.org
Domain Component: dc=example,dc=org

People base: ou=people,dc=example,dc=org
Group base: ou=Groups,dc=example,dc=org

bind user: userpam
bind pass: 1234567890

Installation

On your centos 7 machine, you have to install two packages:


# yum To see the entire article, click uppon article's title/link. 
Thank you.
Feb
09
2017
free-as-in-freedom Google Apps on Fairphone Android
Posted by ebal at 19:03:26 in blog, planet_ellak, planet_Sysadmin, planet_fsfe

Fairphone FP1U

I have this phone for more than 3,5 years

fp1u.jpg

running on Android v4.2 !

Gapps

I dont have them, I dont even have a google account.
Although fairphone comes with an extra GApps package zip, I haven’t installed them either.

Fake GApps

Unfortunately there are some android apps that need GApps to run. So, without any further ado, here are my notes on how to add support for alternative open sources.

Disclaimer

Device may brick ! Do a full backup and keep it somewhere safe.

Location Service

We start with the easy one, how to add support for location service.
...

To see the entire article, click uppon article's title/link.
Thank you.
Feb
08
2017
upgrading baikal - contact calendar server
Posted by ebal at 11:19:28 in blog, planet_ellak, planet_Sysadmin

Baikal

Almost a year ago, I wrote an article on how to install & use your personal Contact and Calendar Server & Android Client: Baïkal - CalDAV & CardDAV server

So, here are my personal notes on upgrading to it’s latest version (v0.4.6):

Github - Version

Here are the latest releases of baikal: Baikal Releases

Download

move to your baikal installation folder and download the latest version:

~> wget -c https://github.com/fruux/Baikal/releases/download/0.4.6/baikal-0.4.6.zip
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Thank you.
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