.. -*- coding: utf-8; -*-

=========

 Debian.

=========

.. contents::

   :local:

Installing Debian.

==================

* Download Debian iso CD/DVD image no. 1.

* Burn it to CD/DVD.

* Boot from this media.

* Follow instructions.

Uninstalling unused packages.

=============================

::

  $ sudo apt-get install deborphan

  $ deborphan

  ...

  $ sudo apt-get purge `deborphan`

Also you can use console GUI wrapper around above command::

  $ sudo orphaner

Another tools is cruft (check for cruft in your system)::

  $ sudo apt-get install cruft

  $ cruft

Become sudouser.

----------------

::

  $ su

  ...

  $ emacs /etc/sudoers

  ...

  $ grep -v "^#" /etc/sudoers

  Defaults  env_reset

  root      ALL=(ALL) ALL

  user      ALL=(ALL) ALL

  $ ^D

List existed partitions.

------------------------

::

  $ sudo /sbin/sfdisk -l

  ...

Mount additional partitions.

----------------------------

Partition mounting by hands::

  $ sudo mkdir /mnt/wininst

  $ sudo mount -t ntfs -o ro /dev/sdb2 /mnt/wininst

Automatic partition mounting::

  $ sudo addgroup win

  $ sudo addgroup user win

  $ sudo emacs /etc/fstab

  ...

  $ cat /etc/fstab

  # /etc/fstab: static file system information.

  # <file system> <mount point>   <type>  <options>       <dump>  <pass>

  /dev/sdc1       /               ext3    defaults,errors=remount-ro 0       1

  /dev/hda        /media/cdrom0   udf,iso9660 user,noauto     0       0

  /dev/sdb1       /mnt/winsys     ntfs    ro,nls=utf8,gid=win,dmask=222,fmask=337  0       0

  /dev/sdb2       /mnt/wininst    ntfs    ro,nls=utf8,gid=win,dmask=222,fmask=337  0       0

  # /dev/sdb3     /mnt/winbin       ntfs-3g rw,utf8,force,gid=win,dmask=002,fmask=113 0    0

  /dev/sdb3       /mnt/winbin     ntfs    rw,utf8,nls=utf8,gid=win,umask=000       0       0

  /dev/sdc2       /mnt/fat        vfat    rw,utf8,gid=win,dmask=222,fmask=337      0       0

  /dev/sda5       /mnt/music      ntfs    ro,nls=utf8,gid=win,dmask=222,fmask=337  0       0

  /dev/sdd1       /mnt/usb        vfat    rw,shortname=winnt,utf8,quiet,gid=win,dmask=002,fmask=111  0  0

Installing and configuring documentation.

=========================================

Documentation packages end with ``-doc`` suffix.

To browse all docs in HTML form install::

  $ sudo apt-get install dhelp info2www man2html swish++

Debian runlevels.

=================

* 0 System Halt

* 1 Single user

* 2 Full multi-user mode (Default)

* 3-5 Same as 2

* 6 System Reboot

Show curent runlevel.

=====================

::

  $ /sbin/runlevel

Switching runlevels.

====================

::

  $ sudo telinit 2