COMP 3000 2011 Report: DoudouLinux - Revision history

Fmcyamwe: /* Initialization */

2011-12-20T03:39:03Z

Initialization

← Older revision		Revision as of 03:39, 20 December 2011
Line 202:		Line 202:
	The initialization of DoudouLinux was found by following the steps below<ref name = "An introduction to services, runlevels, and rc.d scripts ">[https://www.linux.com/news/enterprise/systems-management/8116-an-introduction-to-services-runlevels-and-rcd-scripts An introduction to services, runlevels, and rc.d scripts ] (Last accessed November 16, 2011).</ref> :<br>		The initialization of DoudouLinux was found by following the steps below<ref name = "An introduction to services, runlevels, and rc.d scripts ">[https://www.linux.com/news/enterprise/systems-management/8116-an-introduction-to-services-runlevels-and-rcd-scripts An introduction to services, runlevels, and rc.d scripts ] (Last accessed November 16, 2011).</ref> :<br>

	1.First,we had to determine the [http://en.wikipedia.org/wiki/Runlevel runlevel] that is executed on bootup.So, from the terminal, the command <code>more /etc/inittab</code> was typed in. <br>		1. First, we had to determine the [http://en.wikipedia.org/wiki/Runlevel runlevel] that is executed on bootup.So, from the terminal, the command <code>more /etc/inittab</code> was typed in. <br>
	2. After figuring out the runlevel(2 is the default level), the command <code> ls /etc/rc2.d</code>, was typed in, which has symbolic links to the actual processes in inid.d.Note that you can switch run levels with the <code> init <run_level></code> command.<br>		2. After figuring out the runlevel(2 is the default level), the command <code> ls /etc/rc2.d</code>, was typed in, which has symbolic links to the actual processes in inid.d.Note that you can switch run levels with the <code> init <run_level></code> command.<br>

Line 237:		Line 237:


	3. Then,the command <code> ls /etc/init.d </code>, was typed in, which lists all the start-up scripts.<br>		3. Then, the command <code> ls /etc/init.d </code>, was typed in, which lists all the start-up scripts.<br>
	The following table sow these start- up scripts.The ones in bold are mapped to the symbolic links in the rc2.d<br>		The following table sow these start- up scripts. The ones in bold are mapped to the symbolic links in the rc2.d<br>
	{\|border="1"		{\|border="1"
	\|'''acpid'''<br>		\|'''acpid'''<br>
Line 320:		Line 320:
	\|}		\|}

	4. ~~from~~ the table, we could map the symbolic links in rc2.d to the scripts in init.d.<br>		4. From the table, we could map the symbolic links in rc2.d to the scripts in init.d.<br>
	5. The order was found by going in rc2.d and checking the numbers associated with each symbolic links. We dont know why the numbers are not consecutive but they are executed in increasing order.<br>		5. The order was found by going in rc2.d and checking the numbers associated with each symbolic links. We dont know why the numbers are not consecutive but they are executed in increasing order.<br>

Fmcyamwe: /* Basic Operation */

2011-12-20T03:36:34Z

Basic Operation

← Older revision		Revision as of 03:36, 20 December 2011
Line 47:		Line 47:
	\|}		\|}

	As shown in the activities menu(Figure 2) the applications are ordered by increasing difficulty.From the two year old child who discovers the use of the mouse and the keyboard, in Gamine and Pysycache, to more experienced users with educational suites such as Childsplay and GCompris.These can either be accessed from the activity menu or through the "Learn" tab,when the whole DoudouLinux session is chosen. <br>For example a child wanting to play a puzzle or learn about the world geography would select GCompris, a suite containing educational games divided into different categories that each develops one part of the child's skill(spatial abilities or memory), and then select from the plethora of categories, in the sidebar, including reading activities, mathematics, puzzles, experiential or amusement activities.It teaches the child how to use the keyboard and mouse,or how to differentiate different colours and sounds.The program runs in full screen~~, it~~ has a large cursor and icons and each game has many levels, increasing in difficulty.		As shown in the activities menu(Figure 2) the applications are ordered by increasing difficulty.From the two year old child who discovers the use of the mouse and the keyboard, in Gamine and Pysycache, to more experienced users with educational suites such as Childsplay and GCompris.These can either be accessed from the activity menu or through the "Learn" tab,when the whole DoudouLinux session is chosen. <br>For example a child wanting to play a puzzle or learn about the world geography would select GCompris, a suite containing educational games divided into different categories that each develops one part of the child's skill(spatial abilities or memory), and then select from the plethora of categories, in the sidebar, including reading activities, mathematics, puzzles, experiential or amusement activities.It teaches the child how to use the keyboard and mouse,or how to differentiate different colours and sounds.The program runs in full screen; It has a large cursor and icons and each game has many levels, increasing in difficulty.

	In the Whole DoudouLinux session, close to fifty applications are offered and they are grouped in categories, by type(i.e Work,Learn,Enjoy) that have their own tab in DoudouLinux application Launcher.['''Figure 4''']<br>		In the Whole DoudouLinux session, close to fifty applications are offered and they are grouped in categories, by type(i.e Work,Learn,Enjoy) that have their own tab in DoudouLinux application Launcher.['''Figure 4''']<br>

Fmcyamwe: /* Basic Operation */

2011-12-20T03:34:59Z

Basic Operation

← Older revision		Revision as of 03:34, 20 December 2011
Line 47:		Line 47:
	\|}		\|}

	As shown in the activities menu(Figure 2) the applications are ordered by increasing difficulty.From the two year old child who discovers the use of the mouse and the keyboard, in Gamine and Pysycache, to more experienced users with educational suites such as Childsplay and GCompris.These can either be accessed from the activity menu or through the "Learn" tab,when the whole DoudouLinux session is chosen. <br>For example a child wanting to play a puzzle or learn about the world geography would select GCompris, a suite containing educational games divided into different categories that each develops one part of the child's skill, and then select from the plethora of categories, in the sidebar, including reading activities, mathematics, puzzles, experiential or amusement activities.		As shown in the activities menu(Figure 2) the applications are ordered by increasing difficulty.From the two year old child who discovers the use of the mouse and the keyboard, in Gamine and Pysycache, to more experienced users with educational suites such as Childsplay and GCompris.These can either be accessed from the activity menu or through the "Learn" tab,when the whole DoudouLinux session is chosen. <br>For example a child wanting to play a puzzle or learn about the world geography would select GCompris, a suite containing educational games divided into different categories that each develops one part of the child's skill(spatial abilities or memory), and then select from the plethora of categories, in the sidebar, including reading activities, mathematics, puzzles, experiential or amusement activities.It teaches the child how to use the keyboard and mouse,or how to differentiate different colours and sounds.The program runs in full screen, it has a large cursor and icons and each game has many levels, increasing in difficulty.


	In the Whole DoudouLinux session, close to fifty applications are offered and they are grouped in categories, by type(i.e Work,Learn,Enjoy) that have their own tab in DoudouLinux application Launcher.['''Figure 4''']<br>		In the Whole DoudouLinux session, close to fifty applications are offered and they are grouped in categories, by type(i.e Work,Learn,Enjoy) that have their own tab in DoudouLinux application Launcher.['''Figure 4''']<br>

Fmcyamwe: /* Initialization */

2011-12-20T03:25:58Z

Initialization

← Older revision		Revision as of 03:25, 20 December 2011
Line 340:		Line 340:
	* '''S99timidity''': A software synthesizer that can play MIDI (Musical Instrument Digital Interface) files without a hardware synthesizer.		* '''S99timidity''': A software synthesizer that can play MIDI (Musical Instrument Digital Interface) files without a hardware synthesizer.

			This information was found by researching how a standard Debian-based system boots up and initializes. The DoudouLinux file system was browsed to discover what scripts reside in which folders, to discover how and when each one is run.

	==References==		==References==

	<references />		<references />

Fmcyamwe: /* Part 3 */

2011-12-20T03:24:13Z

Part 3

← Older revision		Revision as of 03:24, 20 December 2011
Line 340:		Line 340:
	* '''S99timidity''': A software synthesizer that can play MIDI (Musical Instrument Digital Interface) files without a hardware synthesizer.		* '''S99timidity''': A software synthesizer that can play MIDI (Musical Instrument Digital Interface) files without a hardware synthesizer.

	~~=Part 3=~~

	~~Comin soon to a Wiki close to you....~~

	==References==		==References==

	<references />		<references />

Fmcyamwe: /* Initialization */

2011-12-20T03:23:27Z

Initialization

← Older revision		Revision as of 03:23, 20 December 2011
Line 328:		Line 328:
	Here is the description of some of the scripts, in the order that they are run:		Here is the description of some of the scripts, in the order that they are run:
	* '''S05loadcpufreq''': Detect and load the needed kernel modules.		* '''S05loadcpufreq''': Detect and load the needed kernel modules.
	* '''S10rsyslog''': Rsyslog is an open source software utility used on UNIX and Unix-like computer systems for forwarding log messages in an IP network. It implements the basic syslogprotocol, extends it with content-based filtering, rich filtering capabilities, flexible configuration options and adds important features such as using TCP for transport.<ref name ="rsylog" >[http://en.wikipedia.org/wiki/Rsyslog Rsyslog](Last accessed December 17, 2011).</ref>.		* '''S10rsyslog''': Rsyslog is an open source software utility used on UNIX and Unix-like computer systems for forwarding log messages in an IP network. It implements the basic syslogprotocol, extends it with content-based filtering, rich filtering capabilities, flexible configuration options and adds important features such as using TCP for transport.<ref name ="rsylog" >[http://en.wikipedia.org/wiki/Rsyslog Rsyslog](Last accessed December 17, 2011).</ref>
	* '''S12acpid''': ACPID(Advanced Configuration and Power Interface) is a completely flexible, totally extensible daemon for delivering ACPI events. It listens on a file (/proc/acpi/event) and when an event occurs, executes programs to handle the event. The programs it executes are configured through a set of configuration files, which can be dropped into place by packages or by the admin.<ref name ="Acpid" >[http://acpid.sourceforge.net/ ACPID](Last accessed December 17, 2011).</ref>.		* '''S12acpid''': ACPID(Advanced Configuration and Power Interface) is a completely flexible, totally extensible daemon for delivering ACPI events. It listens on a file (/proc/acpi/event) and when an event occurs, executes programs to handle the event. The programs it executes are configured through a set of configuration files, which can be dropped into place by packages or by the admin.<ref name ="Acpid" >[http://acpid.sourceforge.net/ ACPID](Last accessed December 17, 2011).</ref>
	* '''S12dbus''': It is a message bus system, a simple way for applications and processes to talk to one another.		* '''S12dbus''': It is a message bus system, a simple way for applications and processes to talk to one another.
	* '''S14avahi-daemon''': A daemon which is used for configuring the network automatically.		* '''S14avahi-daemon''': A daemon which is used for configuring the network automatically.
Line 336:		Line 336:
	* '''S30gdm''': A script for the GNOME display manager.		* '''S30gdm''': A script for the GNOME display manager.
	* '''S99rc.local''': Manages what can be initialized at boot time by running the /etc/rc.local file if it exists--by default this script does nothing, it is used only to exit.		* '''S99rc.local''': Manages what can be initialized at boot time by running the /etc/rc.local file if it exists--by default this script does nothing, it is used only to exit.
	* '''S99rmnologin''': it removes the /etc/nologin file as the last step in the boot process		* '''S99rmnologin''': it removes the /etc/nologin file as the last step in the boot process.
	* '''S99stop-bootlogd''': it runs the /etc/rc.local file again, if it exists--by default this script does nothing, it is used only to exit		* '''S99stop-bootlogd''': it runs the /etc/rc.local file again, if it exists--by default this script does nothing, it is used only to exit.
	* '''S99timidity''': A software synthesizer that can play MIDI (Musical Instrument Digital Interface) files without a hardware synthesizer.		* '''S99timidity''': A software synthesizer that can play MIDI (Musical Instrument Digital Interface) files without a hardware synthesizer.

Fmcyamwe: /* Initialization */

2011-12-20T03:22:34Z

Initialization

← Older revision		Revision as of 03:22, 20 December 2011
Line 326:		Line 326:
	To summarize, /etc/inittab is the configuration file, with the /etc/init.d program initializing the system following the description in the configuration file. inittab will set the default run level of DoudouLinux, which is run level 2. Following this, all the scripts located in /etc/rc2.d are executed.		To summarize, /etc/inittab is the configuration file, with the /etc/init.d program initializing the system following the description in the configuration file. inittab will set the default run level of DoudouLinux, which is run level 2. Following this, all the scripts located in /etc/rc2.d are executed.

	Here is the description of some of the scripts that are run:		Here is the description of some of the scripts, in the order that they are run:
	* '''S05loadcpufreq''': Detect and load the needed kernel modules.		* '''S05loadcpufreq''': Detect and load the needed kernel modules.
	* '''S10rsyslog''': Rsyslog is an open source software utility used on UNIX and Unix-like computer systems for forwarding log messages in an IP network. It implements the basic syslogprotocol, extends it with content-based filtering, rich filtering capabilities, flexible configuration options and adds important features such as using TCP for transport.<ref name ="rsylog" >[http://en.wikipedia.org/wiki/Rsyslog Rsyslog](Last accessed December 17, 2011).</ref>		* '''S10rsyslog''': Rsyslog is an open source software utility used on UNIX and Unix-like computer systems for forwarding log messages in an IP network. It implements the basic syslogprotocol, extends it with content-based filtering, rich filtering capabilities, flexible configuration options and adds important features such as using TCP for transport.<ref name ="rsylog" >[http://en.wikipedia.org/wiki/Rsyslog Rsyslog](Last accessed December 17, 2011).</ref>.
	* '''S12acpid''':ACPID is a completely flexible, totally extensible daemon for delivering ACPI events. It listens on a file (/proc/acpi/event) and when an event occurs, executes programs to handle the event. The programs it executes are configured through a set of configuration files, which can be dropped into place by packages or by the admin.<ref name ="Acpid" >[http://acpid.sourceforge.net/ ACPID](Last accessed December 17, 2011).</ref>.		* '''S12acpid''': ACPID(Advanced Configuration and Power Interface) is a completely flexible, totally extensible daemon for delivering ACPI events. It listens on a file (/proc/acpi/event) and when an event occurs, executes programs to handle the event. The programs it executes are configured through a set of configuration files, which can be dropped into place by packages or by the admin.<ref name ="Acpid" >[http://acpid.sourceforge.net/ ACPID](Last accessed December 17, 2011).</ref>.
	* '''S12dbus''':		* '''S12dbus''': It is a message bus system, a simple way for applications and processes to talk to one another.
			* '''S14avahi-daemon''': A daemon which is used for configuring the network automatically.
			* '''S20cups''': It runs the CUPS daemon 'dbusd', required for printing.
			* '''S26network-manager''': A daemon that automatically switches network connections to the best available connection.
			* '''S30gdm''': A script for the GNOME display manager.
			* '''S99rc.local''': Manages what can be initialized at boot time by running the /etc/rc.local file if it exists--by default this script does nothing, it is used only to exit.
			* '''S99rmnologin''': it removes the /etc/nologin file as the last step in the boot process
			* '''S99stop-bootlogd''': it runs the /etc/rc.local file again, if it exists--by default this script does nothing, it is used only to exit
			* '''S99timidity''': A software synthesizer that can play MIDI (Musical Instrument Digital Interface) files without a hardware synthesizer.

	=Part 3=		=Part 3=

Fmcyamwe: /* Initialization */

2011-12-20T02:57:54Z

Initialization

← Older revision		Revision as of 02:57, 20 December 2011
Line 328:		Line 328:
	Here is the description of some of the scripts that are run:		Here is the description of some of the scripts that are run:
	* '''S05loadcpufreq''': Detect and load the needed kernel modules.		* '''S05loadcpufreq''': Detect and load the needed kernel modules.
	* '''S10rsyslog''': Rsyslog is an open source software utility used on UNIX and Unix-like computer systems for forwarding log messages in an IP network. It implements the basic syslogprotocol, extends it with content-based filtering, rich filtering capabilities, flexible configuration options and adds important features such as using TCP for transport.<ref name ="~~System initialization~~" >[http://en.wikipedia.org/wiki/Rsyslog Rsyslog](Last accessed December 17, 2011).</ref>		* '''S10rsyslog''': Rsyslog is an open source software utility used on UNIX and Unix-like computer systems for forwarding log messages in an IP network. It implements the basic syslogprotocol, extends it with content-based filtering, rich filtering capabilities, flexible configuration options and adds important features such as using TCP for transport.<ref name ="rsylog" >[http://en.wikipedia.org/wiki/Rsyslog Rsyslog](Last accessed December 17, 2011).</ref>
			* '''S12acpid''':ACPID is a completely flexible, totally extensible daemon for delivering ACPI events. It listens on a file (/proc/acpi/event) and when an event occurs, executes programs to handle the event. The programs it executes are configured through a set of configuration files, which can be dropped into place by packages or by the admin.<ref name ="Acpid" >[http://acpid.sourceforge.net/ ACPID](Last accessed December 17, 2011).</ref>.
			* '''S12dbus''':

	=Part 3=		=Part 3=

Fmcyamwe: /* Initialization */

2011-12-20T02:54:04Z

Initialization

← Older revision		Revision as of 02:54, 20 December 2011
Line 328:		Line 328:
	Here is the description of some of the scripts that are run:		Here is the description of some of the scripts that are run:
	* '''S05loadcpufreq''': Detect and load the needed kernel modules.		* '''S05loadcpufreq''': Detect and load the needed kernel modules.
	* '''S10rsyslog''':		* '''S10rsyslog''': Rsyslog is an open source software utility used on UNIX and Unix-like computer systems for forwarding log messages in an IP network. It implements the basic syslogprotocol, extends it with content-based filtering, rich filtering capabilities, flexible configuration options and adds important features such as using TCP for transport.<ref name ="System initialization" >[http://en.wikipedia.org/wiki/Rsyslog Rsyslog](Last accessed December 17, 2011).</ref>

	=Part 3=		=Part 3=

Fmcyamwe: /* Initialization */

2011-12-20T02:50:38Z

Initialization

← Older revision		Revision as of 02:50, 20 December 2011
Line 328:		Line 328:
	Here is the description of some of the scripts that are run:		Here is the description of some of the scripts that are run:
	* '''S05loadcpufreq''': Detect and load the needed kernel modules.		* '''S05loadcpufreq''': Detect and load the needed kernel modules.
	* '''~~S05loadcpufreq~~''':		* '''S10rsyslog''':

	=Part 3=		=Part 3=