Debian

The following lines will describe a procedure on how to mimic Ubuntu’s sudo privilege authorization system on Debian Linux. Sudo allows users to run programs with the authorization privileges of another user by supplying their own password for authentication.

If you have not done so yet, first install sudo package:

# apt-get install sudo

Once sudo is installed run:

# visudo

which allows you to edit the content of /etc/sudoers file. Change the content of this file as show below:

Defaults        env_reset
Defaults        mail_badpass
Defaults        secure_path="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"

root    ALL=(ALL:ALL) ALL
%admin ALL=(ALL) ALL
%sudo   ALL=(ALL:ALL) ALL

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So, you’ve decided to try out this thing you heard others talk about, called ‘compiling a custom kernel’. If you are trying this as a hobby, or because you want to learn a new skill, very well – read on.

However, before we start, we will try to explain situations when this need arises and how to deal with it. Note that this is an extensive subject which needs much more in terms of space than we will provide here. You will learn the basics, what you need, what to do and what you’ll achieve.

For more info, as usual, Google is your friend; also , the documentation resident in the kernel source tree will answer lots of questions. So, let’s start with the beginning, with a last note : if need arises, we will publish more articles related to kernel compiling pertaining to other distros.

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The idea about starting your services under Supervisor’s supervision is to be able to run multiple services under a single daemon. Depending on the Supervisor’s configuration it will be able to start,stop or restart any given service as a child process. In this config we show how to runapache2 as supervised service ( useful for docker images etc. ) on Ubuntu/Debian Linux.
First, install supervisor:

# apt-get install supervisor

Include apache2‘s supervisor configuration into /etc/supervisor/conf.d/. Supervisor will pick any configuration files from this directory where the only requirement is *.conf file extension. For example insert a following lines into a new file /etc/supervisor/conf.d/apache2.conf:

[program:apache2]
command=/usr/sbin/apache2ctl -DFOREGROUND

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About

The automated build docker Nginx image “linuxconfig/nginx” can be used as a basic testing environment for a static websites deployments.

Configuration

The image is build based on default Nginx webserver configuration running on Debian GNU/Linux. Nginx webserver run in foreground and listens on default port 80.

Usage

Create a directory and place your static website within.

$ mkdir html
$ echo "My Static Website" > html/index.html
OR
$ cp -r /path/to/your/static/website/* html/

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After fresh system installation the root login on the Debian Linux is disabled by default. When you attempt to login as root user to your Debian Jessie Linux server the access will be denied eg.:

$ ssh root@10.1.1.12
root@10.1.1.12's password: 
Permission denied, please try again.
root@10.1.1.12's password: 
Permission denied, please try again.
root@10.1.1.12's password: 
Permission denied (publickey,password).

To enable SSH login for a root user on Debian Linux system you need to first configure SSH server. Open /etc/ssh/sshd_config and change the following line:

FROM:
PermitRootLogin without-password
TO:
PermitRootLogin yes

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Author:Tobin Harding
Task is to configure x86 bare metal machine as a docker host using
Debian 8. You will need a network connection to the host to follow
this guide. Also a connected keyboard and monitor.

Prerequisites

1. Host machine. I will be using an optiplex 760 but any machine will
   do.
2. Internet connection. I will be using the net install Debian 8
   image.
3. About half an hour.

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