User talk:Ebarrier - Revision history

Ebarrier: /* Tasks of the kernel, operating system, RAM, processor etc */

2016-06-08T11:45:56Z

Tasks of the kernel, operating system, RAM, processor etc

← Older revision		Revision as of 14:45, 8 June 2016
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	===Tasks of the kernel, operating system, RAM, processor etc===		===Tasks of the kernel, operating system, RAM, processor etc===
	Applications use the kernel to connect to computer system resources (CPU; memory and devices). It manages input/output requests from software, translating them into data processing instructions for the central processing unit. It is also responsible for managing memory, and for managing and communicating with computing peripherals, like printers, speakers, etc. It is crucial part of the operating system.		Applications use the kernel to connect to computer system resources (CPU; memory and devices). It manages input/output requests from software, translating them into data processing instructions for the central processing unit. It is also responsible for managing memory, and for managing and communicating with computing peripherals, like printers, speakers, etc. It is crucial part of the operating system.

	Tasks:		Tasks:
	*CPU time planning		*CPU time planning
Line 16:		Line 17:
	**Permissions		**Permissions
	**File system hierarchy		**File system hierarchy


	An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs (API).		An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs (API).

Ebarrier: /* Tasks of the kernel, operating system, RAM, processor etc */

2016-06-06T14:45:14Z

Tasks of the kernel, operating system, RAM, processor etc

← Older revision		Revision as of 17:45, 6 June 2016
Line 3:		Line 3:
	Applications use the kernel to connect to computer system resources (CPU; memory and devices). It manages input/output requests from software, translating them into data processing instructions for the central processing unit. It is also responsible for managing memory, and for managing and communicating with computing peripherals, like printers, speakers, etc. It is crucial part of the operating system.		Applications use the kernel to connect to computer system resources (CPU; memory and devices). It manages input/output requests from software, translating them into data processing instructions for the central processing unit. It is also responsible for managing memory, and for managing and communicating with computing peripherals, like printers, speakers, etc. It is crucial part of the operating system.
	Tasks:		Tasks:
	CPU time planning		*CPU time planning
	Real time vs Package processing		**Real time vs Package processing
	Syncing		**Syncing
	Multitasking with multiple CPUs		**Multitasking with multiple CPUs
	Memory management		*Memory management
	MMU - memory management unit		**MMU - memory management unit
	Cache and swap		**Cache and swap
	I/O management		*I/O management
	Syncronous		**Syncronous
	Asyncronous		**Asyncronous
	File management		*File management
	Permissions		**Permissions
	File system hierarchy		**File system hierarchy

	An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs (API).		An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs (API).
	Tasks:		Tasks:
	Hardware management		*Hardware management
	CPU time		**CPU time
	Memory management		**Memory management
	Input/output management		**Input/output management
	Network management		**Network management
	Computer system management		*Computer system management
	Application management		**Application management
	Input/output device management		**Input/output device management
	User authentication and authorization		**User authentication and authorization
	Data management between devices		**Data management between devices

	==User management==		==User management==

Ebarrier: /* Tasks of the kernel, operating system, RAM, processor etc */

2016-06-06T14:43:00Z

Tasks of the kernel, operating system, RAM, processor etc

@@ Line 1: / Line 1: @@
 ==Operating systems basic terms and introduction==
 ===Tasks of the kernel, operating system, RAM, processor etc===
 ==User management==
 ===What is authorization and authentication?===

Ebarrier at 14:20, 6 June 2016

2016-06-06T14:20:42Z

← Older revision		Revision as of 17:20, 6 June 2016
Line 1:		Line 1:
	==Operating systems basic terms and introduction==		==Operating systems basic terms and introduction==
	Tasks of the kernel, operating system, RAM, processor etc		===Tasks of the kernel, operating system, RAM, processor etc===
	==User management==		==User management==
	What is authorization and authentication?		===What is authorization and authentication?===
	What is password salt and what is it used for?		===What is password salt and what is it used for?===
	==~~Wiki article topic~~==
	==Working with files and permissions==		==Working with files and permissions==
	Explain the way why permissions are needed and how they are set for users.		===Explain the way why permissions are needed and how they are set for users===
	Explain special permissions.		===Explain special permissions===
	==User environment==		==User environment==
	What are user environment variables used for? Name two reasons.		===What are user environment variables used for? Name two reasons===
	==Processes==		==Processes==
	How to stream data between processes.		===How to stream data between processes===
	What are different type of processes (running, stopped, killed, zombie etc)		===What are different type of processes (running, stopped, killed, zombie etc)===
	Different examples of how to benefit from sending signals between processes.		===Different examples of how to benefit from sending signals between processes===
	==Software management==		==Software management==
	Name various ways how to manage software in LInux.		===Name various ways how to manage software in LInux===
	What are the pros and cons of Linux software management.		===What are the pros and cons of Linux software management===
	What are software repositories?		===What are software repositories?===
	What are libraries?		===What are libraries?===
	==Filesystem hierarchy==		==Filesystem hierarchy==
	Explain the hierarchy according to FHS.		===Explain the hierarchy according to FHS===
	Name specific folder meanings and usage.		===Name specific folder meanings and usage===
	==Documentation==		==Documentation==
	Best practices of a good documentation.		===Best practices of a good documentation===
	Why should we document?		===Why should we document?===
	==Security==		==Security==
	List the different type of security breaches.		===List the different type of security breaches===
	What should the user/admin do to prevent the attack?		===What should the user/admin do to prevent the attack?===
	==Partitioning and swap area==		==Partitioning and swap area==
	What are the primary, extended and logical partitions? What limitations are set with these partitions types?		===What are the primary, extended and logical partitions? What limitations are set with these partitions types?===
	When isn’t it a good idea to use swap area?		===When isn’t it a good idea to use swap area?===
	==RAID and LVM technologies==		==RAID and LVM technologies==
	Name main uses and features of both technologies.		===Name main uses and features of both technologies===
	==SAN, NAS and CAS technologies==		==SAN, NAS and CAS technologies==
	Name main uses and features of all the technologies.		===Name main uses and features of all the technologies===
	==Backup and recovery==		==Backup and recovery==
	Backup and recovery plans		===Backup and recovery plans===
	==Monitoring and log files==		==Monitoring and log files==
	Active and passive monitoring		===Active and passive monitoring===
	Types of alerts		===Types of alerts===
	Benefits of monitoring		===Benefits of monitoring===
	Centralized logs		===Centralized logs===
	==Ethical, social and personal aspects of working in IT field==		==Ethical, social and personal aspects of working in IT field==
	Impostor syndrome, teamwork, burnout		===Impostor syndrome, teamwork, burnout===
	~~Wiki article topic~~

Ebarrier at 14:14, 6 June 2016

2016-06-06T14:14:05Z

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Ebarrier at 22:08, 5 June 2016

2016-06-05T22:08:12Z

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Ebarrier: /* Profile form */

2016-06-05T21:57:12Z

Profile form

← Older revision		Revision as of 00:57, 6 June 2016
Line 542:		Line 542:
	</form>		</form>
	</div>		</div>
			</source>

	==Image upload with hash of picture's path==		==Image upload with hash of picture's path==

Ebarrier at 21:56, 5 June 2016

2016-06-05T21:56:12Z

Show changes

Ebarrier: Blanked the page

2016-04-20T06:10:24Z

Blanked the page

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Ebarrier at 23:32, 12 January 2016

2016-01-12T23:32:37Z

← Older revision		Revision as of 02:32, 13 January 2016
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	MUL r0, r4, r1 /* r0 = r4 * r1 */		MUL r0, r4, r1 /* r0 = r4 * r1 */
	B lr /* Jump to caller */		B lr /* Jump to caller */

			Discover IP's in a subnet (no root)
			nmap -sP 192.168.0.0/24

			Scan for open ports (no root)
			nmap 192.168.0.0/24

			Identify the Operating System of a host (requires root)
			nmap -O 192.168.0.164

			Identify Hostnames (no root)
			nmap -sL 192.168.0.0/24

			TCP Syn and UDP Scan (requires root)
			nmap -sS -sU -PN 192.168.0.164

			Add -v to get detail of any command of nmap