OSadmin help - Revision history

Pkuulme: /* 3. Managing software(installation, removing, dependencies) */

2017-05-18T20:48:02Z

3. Managing software(installation, removing, dependencies)

← Older revision		Revision as of 23:48, 18 May 2017
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	* Creating aliases		* Creating aliases

	Use a text editor(like nano) to edit ''' ''.~~bashrc~~'' ''' located in the user home directory. Add the desired alias to the alias list~~. To save the changes restart ''bashrc''~~.		Use a text editor(like nano) to edit ''' ''~/.bash_aliases'' ''' located in the user home directory. Add the desired alias to the alias list.
	{\|style="background:lightyellow;width:500px;margin:3px;border:1px solid lightgrey" align=centre		{\|style="background:lightyellow;width:500px;margin:3px;border:1px solid lightgrey" align=centre
	\| style="padding:0px 0px 0px 80px;font-family:courier;font-size:8pt;" \|nano .~~bashrc~~		\| style="padding:0px 0px 0px 80px;font-family:courier;font-size:8pt;" \|nano ~/.bash_aliases
	alias getapp='apt-get install'		alias getapp='apt-get install'

Pkuulme: /* 2. MANAGING USERS */

2017-05-18T20:38:17Z

2. MANAGING USERS

← Older revision		Revision as of 23:38, 18 May 2017
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	{\|style="background:lightyellow;width:500px;margin:3px;border:1px solid lightgrey" align=centre		{\|style="background:lightyellow;width:500px;margin:3px;border:1px solid lightgrey" align=centre
	\| style="padding:0px 0px 0px 80px;font-family:courier;font-size:8pt;" \|adduser fedor ~~students~~		\| style="padding:0px 0px 0px 80px;font-family:courier;font-size:8pt;" \|addgroup students && adduser --ingroup students fedor
	\|}		\|}

Pkuulme: /* 4. Disk partitions */

2017-05-18T20:37:10Z

4. Disk partitions

← Older revision		Revision as of 23:37, 18 May 2017
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	- Command '''p''' displays the partition table.		- Command '''p''' displays the partition table.

	- Command '''q''' ~~xits~~ the prompt without saving the changes.		- Command '''q''' exits the prompt without saving the changes.

	- Command '''d''' deletes a partition.		- Command '''d''' deletes a partition.

	- <u>Command '''w''' saves the changes into the partition table. </u>		- <u>Command '''w''' saves the changes into the partition table. </u>

			- Selecting the first sector of a partition: Accept value given by default or change value manually.

			- Selecting the last sector or the size of the partition: When choosing the size, the '''+''' sign must be used before the value. '''eg:+1GB'''




	'''NB!''' If operating system gives an '''error''' message upon entering ''w'' command("Warning, error 16: Device or resource busy. The Kernel still uses the old table"), then the previously created partitions need to be unmounted(see ''unmount'' below).		'''NB!''' If operating system gives an '''error''' message upon entering ''w'' command("Warning, error 16: Device or resource busy. The Kernel still uses the old table"), then the previously created partitions need to be unmounted(see ''unmount'' below).

Pkuulme: /* 3. Managing software(installation, removing, dependencies) */

2017-05-18T18:05:18Z

3. Managing software(installation, removing, dependencies)

← Older revision		Revision as of 21:05, 18 May 2017
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	* Updating operation system software list: '''apt-get update'''		* Updating operation system software list: '''sudo apt-get update'''


	* Updating already installed software: '''apt-get upgrade'''		* Updating already installed software: '''sudo apt-get dist-upgrade''' or ''' sudo apt full-upgrade '''

Pkuulme: /* 2. MANAGING USERS */

2017-05-18T18:03:28Z

2. MANAGING USERS

← Older revision		Revision as of 21:03, 18 May 2017
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	* Creating a new user: '''adduser ~~''username group''~~ '''		* Creating a new user: '''addgroup students && adduser --ingroup students fedor '''

	{\|style="background:lightyellow;width:500px;margin:3px;border:1px solid lightgrey" align=centre		{\|style="background:lightyellow;width:500px;margin:3px;border:1px solid lightgrey" align=centre
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	<u> Result:</u> New user ''Fedor'' will be created and he belongs to ''students'' group		<u> Result:</u> New user ''Fedor'' will be created and he belongs to ''students'' group

	* Granting administrator privileges: '''adduser ''username'' ~~admin~~'''		* Granting administrator privileges: '''adduser ''username'' sudo'''

	{\|style="background:lightyellow;width:500px;margin:3px;border:1px solid lightgrey" align=centre		{\|style="background:lightyellow;width:500px;margin:3px;border:1px solid lightgrey" align=centre
	\| style="padding:0px 0px 0px 80px;font-family:courier;font-size:8pt;" \|adduser fedor ~~admin~~		\| style="padding:0px 0px 0px 80px;font-family:courier;font-size:8pt;" \|adduser fedor sudo
	\|}		\|}

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	<u> Result:</u> New group ''students'' will be created.		<u> Result:</u> New group ''students'' will be created.

	* Locking a useraccount: '''usermod -L -e ''username'' '''		* Locking a useraccount: '''usermod -L ''username'' '''
	{\|style="background:lightyellow;width:500px;margin:3px;border:1px solid lightgrey" align=centre		{\|style="background:lightyellow;width:500px;margin:3px;border:1px solid lightgrey" align=centre
	\| style="padding:0px 0px 0px 80px;font-family:courier;font-size:8pt;" \|usermod -L fedor		\| style="padding:0px 0px 0px 80px;font-family:courier;font-size:8pt;" \|usermod -L fedor

Pkuulme: /* 1. WORKING WITH FILES */

2017-05-18T17:59:11Z

1. WORKING WITH FILES

← Older revision		Revision as of 20:59, 18 May 2017
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	<u>Result:</u> A file named ''textfile.txt'' is created to the directory named folder1 that is located in the home directory.		<u>Result:</u> A file named ''textfile.txt'' is created to the directory named folder1 that is located in the home directory.

			* Creating a file by redirecting information to a file using '' > ''

			{\|style="background:lightyellow;width:500px;margin:3px;border:1px solid lightgrey" align=centre
			\| style="padding:0px 0px 0px 80px;font-family:courier;font-size:8pt;" \| echo "This is some text" > textfile.txt
			\|}
			<u>Result:</u> A file named ''textfile.txt'' containing text "This is some text" is created.

	* Creating a directory: ''' mkdir ''directory'' '''		* Creating a directory: ''' mkdir ''directory'' '''
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	{\|style="background:lightyellow;width:500px;margin:3px;border:1px solid lightgrey" align=centre		{\|style="background:lightyellow;width:500px;margin:3px;border:1px solid lightgrey" align=centre
	\| style="padding:0px 0px 0px 80px;font-family:courier;font-size:8pt;" \|find /etc -name "*.log"		\| style="padding:0px 0px 0px 80px;font-family:courier;font-size:8pt;" \|find /etc -type f -name "*.log"
	\|}		\|}

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	* Changing file or folder permissions: ''' chmod '' ~~WHO permission~~ file '' '''		* Changing file or folder permissions: ''' chmod ''<permissions> <file or directory> '' '''
			Permissions can be changed on multiple files and folders simultaneously. To do that, just separate the files or folders with a space.

	{\|style="background:lightyellow;width:500px;margin:3px;border:1px solid lightgrey" align=centre		{\|style="background:lightyellow;width:500px;margin:3px;border:1px solid lightgrey" align=centre
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	\|}		\|}

	<u> Result:</u> Directory''folder1'' and all of it's content's ownership will be transferred to Fedor.		<u> Result:</u> Directory ''folder1'' and all of it's content's ownership will be transferred to Fedor.


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	\| style="padding:0px 0px 0px 80px;font-family:courier;font-size:8pt;" \|chgrp students folder1		\| style="padding:0px 0px 0px 80px;font-family:courier;font-size:8pt;" \|chgrp students folder1
	\|}		\|}
			<u> Result:</u> Directory ''folder1'' will belong to group ''students''.

	<u> Result:</u> Directory''folder1'' will belong to group''students''.
			This can also be done using '''chown :<group> <file/directory>''' command.

			{\|style="background:lightyellow;width:500px;margin:3px;border:1px solid lightgrey" align=centre
			\| style="padding:0px 0px 0px 80px;font-family:courier;font-size:8pt;" \|chown :students folder1
			\|}
			<u> Result:</u> Directory ''folder1'' will belong to group ''students''.

Pkuulme: /* Author of the Estonian version */

2017-05-18T17:30:30Z

Author of the Estonian version

← Older revision		Revision as of 20:30, 18 May 2017
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	== Author of the Estonian version==		== Author of the Estonian version==
	Kristiina Kaarna		Kristiina Kaarna
	~~'''[[https://wiki.itcollege.ee/index.php/Osadmin_spikker\|OSadmin Spikker]]'''~~

	[https://wiki.itcollege.ee/index.php/Osadmin_spikker '''OSadmin spikker''']		[https://wiki.itcollege.ee/index.php/Osadmin_spikker '''OSadmin spikker''']

Pkuulme: /* Author of the Estonian version */

2017-05-18T17:30:13Z

Author of the Estonian version

← Older revision		Revision as of 20:30, 18 May 2017
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	== Author of the Estonian version==		== Author of the Estonian version==
	Kristiina Kaarna		Kristiina Kaarna
			'''[[https://wiki.itcollege.ee/index.php/Osadmin_spikker\|OSadmin Spikker]]'''

			[https://wiki.itcollege.ee/index.php/Osadmin_spikker '''OSadmin spikker''']

	== 1. WORKING WITH FILES ==		== 1. WORKING WITH FILES ==

Pkuulme: /* 6. WORKING WITH PROCESSES */

2017-05-18T17:24:43Z

6. WORKING WITH PROCESSES

← Older revision		Revision as of 20:24, 18 May 2017
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	* Sending a running process to the background '''ctrl+z'''.		* Sending a running process to the background '''ctrl+z'''.
	* To start a process on the background add the '''&''' sign after the program name: '''~~cowssay~~ &'''.		* To start a process on the background add the '''&''' sign after the program name: '''cowsay &'''.
	* Bringing a program back from the background: '''fg'''		* Bringing a program back from the background: '''fg'''

Pkuulme: /* 4. Disk partitions */

2017-05-18T17:24:05Z

4. Disk partitions

← Older revision		Revision as of 20:24, 18 May 2017
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	<u>Result:</u> Entering into the second disc prompt, where commands are asked to enter.		<u>Result:</u> Entering into the second disc prompt, where commands are asked to enter.

	**Command'''n''' is used in the prompt to create a new partition to the disk.		**Command '''n''' is used in the prompt to create a new partition to the disk.

	**New partition configuration:		**New partition configuration: