Lab 8 mnjk - Revision history

NateHaleen: /* Checking Your Work */

2021-04-25T16:08:24Z

Checking Your Work

← Older revision		Revision as of 16:08, 25 April 2021
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	</nowiki></code>		</nowiki></code>
	</ol>		</ol>
	~~<br><br>~~		=Web App=
	You can check your progress on any of the labs in the ITC-2480 course from a webapp from this link: <br>		You can check your progress on any of the labs in the ITC-2480 course from a webapp from this link: <br>
	[http://webcheck.itc2480.campus.ihitc.net webcheck.itc2480.campus.ihitc.net]<br>		[http://webcheck.itc2480.campus.ihitc.net webcheck.itc2480.campus.ihitc.net]<br>
	You must be logged into the campus VPN to use this application.		You must be logged into the campus VPN to use this application.

NateHaleen: /* Checking Your Work */

2021-04-16T22:37:15Z

Checking Your Work

← Older revision		Revision as of 22:37, 16 April 2021
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	</nowiki></code>		</nowiki></code>
	</ol>		</ol>
			<br><br>
			You can check your progress on any of the labs in the ITC-2480 course from a webapp from this link: <br>
			[http://webcheck.itc2480.campus.ihitc.net webcheck.itc2480.campus.ihitc.net]<br>
			You must be logged into the campus VPN to use this application.

KreidKolo: /* Checking Your Work */

2021-03-19T19:45:35Z

Checking Your Work

← Older revision		Revision as of 19:45, 19 March 2021
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	==Checking Your Work==		==Checking Your Work==
			<ol>
			<li> Check the directories and files:</li>
			# <code>/etc/bind/named.conf.options</code> should have the ip address 172.17.139.11 saved.
			# <code>/etc/network/interfaces</code> should have the ip address 127.0.0.1 saved.
			# Your <code>/var/lib/bind/*.hosts</code> file should have a MX, CNAME, and AAAA record.

	<br><br>		<br><br>

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	curl https://raw.githubusercontent.com/mnjk-inver/Linux-2480-Rebuild/main/lab_08_test.py \| python3		curl https://raw.githubusercontent.com/mnjk-inver/Linux-2480-Rebuild/main/lab_08_test.py \| python3
	</nowiki></code>		</nowiki></code>
			</ol>

NateHaleen: /* Manually editing a zone file */

2021-03-02T22:07:03Z

Manually editing a zone file

← Older revision		Revision as of 22:07, 2 March 2021
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	<ul>Notice how the Answer Section shows the MX record is pointed to the IP of the domain, and that the priority is set to 15.</ul>		<ul>Notice how the Answer Section shows the MX record is pointed to the IP of the domain, and that the priority is set to 15.</ul>
	<li>Congratulations, you have now setup a functional DNS server.</li>		<li>Congratulations, you have now setup a functional DNS server.</li>

			==Checking Your Work==
			<br><br>

			<li> Automatically check your results by running this command:</li>
			<code><nowiki>
			curl https://raw.githubusercontent.com/mnjk-inver/Linux-2480-Rebuild/main/lab_08_test.py \| python3
			</nowiki></code>

MikeTieden: /* Introduction */

2021-02-14T01:13:09Z

Introduction

← Older revision		Revision as of 01:13, 14 February 2021
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	*Learn how to create domains using Webmin		*Learn how to create domains using Webmin
	*Learn how to manually edit using a zone file		*Learn how to manually edit using a zone file
	You will ~~use~~ the following commands:		You will be introduced to the following commands:
	*'''[https://linux.die.net/man/1/dig dig]'''		*'''[https://linux.die.net/man/1/dig dig]'''
	*'''[https://linux.die.net/man/1/nslookup nslookup]'''		*'''[https://linux.die.net/man/1/nslookup nslookup]'''

MikeTieden: /* Introduction */

2021-02-14T01:13:00Z

Introduction

← Older revision		Revision as of 01:13, 14 February 2021
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	*'''[https://linux.die.net/man/1/dig dig]'''		*'''[https://linux.die.net/man/1/dig dig]'''
	*'''[https://linux.die.net/man/1/nslookup nslookup]'''		*'''[https://linux.die.net/man/1/nslookup nslookup]'''
	*'''[https://linux.die.net/man/8/shutdown shutdown]'''
	*'''[https://linux.die.net/man/8/sudo sudo]'''
	*'''[https://www.man7.org/linux/man-pages/man1/systemctl.1.html systemctl]'''		*'''[https://www.man7.org/linux/man-pages/man1/systemctl.1.html systemctl]'''

KreidKolo: /* Install BIND & Enable Caching */

2021-02-13T03:06:21Z

Install BIND & Enable Caching

← Older revision		Revision as of 03:06, 13 February 2021
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	<li>Open up ''/etc/bind/named.conf.options'' with your favorite text editor.</li>		<li>Open up ''/etc/bind/named.conf.options'' with your favorite text editor.</li>
	<ul>Now we will need to enable DNS caching and forwarding on the BIND server. This will allow us to use it for DNS resolving locally, as well as speed up frequent DNS requests.</ul>		<ul>Now we will need to enable DNS caching and forwarding on the BIND server. This will allow us to use it for DNS resolving locally, as well as speed up frequent DNS requests.</ul>
	<ul>You are now in the local options file for BIND. You will need to uncomment (remove the // from the front of) the following lines:		<ul>
			* You are now in the local options file for BIND. You will need to uncomment (remove the // from the front of) the following lines:
	: [[File:Bind_named_conf.png \| 500px]]		: [[File:Bind_named_conf.png \| 500px]]
	* '''NOTE:''' You will also need to replace 0.0.0.0 with 172.17.139.11 for outside DNS lookups to function correctly.</ul>		* '''NOTE:''' You will also need to replace 0.0.0.0 with 172.17.139.11 for outside DNS lookups to function correctly.</ul>
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	<code>sudo service bind9 restart</code>		<code>sudo service bind9 restart</code>
	<li>Next, open up your interfaces file (''/etc/network/interfaces'') with your favorite file editor.</li>		<li>Next, open up your interfaces file (''/etc/network/interfaces'') with your favorite file editor.</li>
	<ul>Change the dns server for the primary network interface to ''127.0.0.1''.</ul>		<ul>
			* Change the dns server for the primary network interface to ''127.0.0.1''.</ul>
	<ul>The change to ''/etc/network/interfaces'' will take effect if you restart your system. To avoid doing that right now you can edit the ''/etc/resolv.conf'' file so that it has only one nameserver line like ''nameserver 127.0.0.1'' Note that unless you reboot the system it will eventually get reset back to it's prior setting by a background system process so at some point you will want to reboot your system to make the change permanent.</ul>		<ul>The change to ''/etc/network/interfaces'' will take effect if you restart your system. To avoid doing that right now you can edit the ''/etc/resolv.conf'' file so that it has only one nameserver line like ''nameserver 127.0.0.1'' Note that unless you reboot the system it will eventually get reset back to it's prior setting by a background system process so at some point you will want to reboot your system to make the change permanent.</ul>
	<li>Run the command:</li>		<li>Run the command:</li>

KreidKolo: /* Install BIND & Enable Caching */

2021-02-12T22:03:32Z

Install BIND & Enable Caching

← Older revision		Revision as of 22:03, 12 February 2021
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	<ul>If BIND is working, you should now see the following output:</ul>		<ul>If BIND is working, you should now see the following output:</ul>
	: [[File:Nslookup_inverhillsedu.png \| 500px]]		: [[File:Nslookup_inverhillsedu.png \| 500px]]
	~~<pre>Server: 127.0.0.1~~
	~~Address: 127.0.0.1#53~~

	~~Non-authoritative answer:~~
	~~Name: inverhills.edu~~
	~~Address: 134.29.182.42~~
	~~</pre>~~
	* Notice how it shows it is using 127.0.0.1 as the server. If you do not see this, then your interface file or resolv.conf file is not set to use the local machine for DNS lookups. Note also that the IP address returned for this domain may vary from the one shown in the output above.</li>		* Notice how it shows it is using 127.0.0.1 as the server. If you do not see this, then your interface file or resolv.conf file is not set to use the local machine for DNS lookups. Note also that the IP address returned for this domain may vary from the one shown in the output above.</li>
	<li>Run:</li>		<li>Run:</li>

KreidKolo: /* Install BIND & Enable Caching */

2021-02-12T22:03:20Z

Install BIND & Enable Caching

← Older revision		Revision as of 22:03, 12 February 2021
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	<code>nslookup inverhills.edu</code>		<code>nslookup inverhills.edu</code>
	<ul>If BIND is working, you should now see the following output:</ul>		<ul>If BIND is working, you should now see the following output:</ul>
	: [[Nslookup_inverhillsedu.png \| 500px]]		: [[File:Nslookup_inverhillsedu.png \| 500px]]
	<pre>Server: 127.0.0.1		<pre>Server: 127.0.0.1
	Address: 127.0.0.1#53		Address: 127.0.0.1#53

KreidKolo: /* Install BIND & Enable Caching */

2021-02-12T22:02:57Z

Install BIND & Enable Caching

← Older revision		Revision as of 22:02, 12 February 2021
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	<code>nslookup inverhills.edu</code>		<code>nslookup inverhills.edu</code>
	<ul>If BIND is working, you should now see the following output:</ul>		<ul>If BIND is working, you should now see the following output:</ul>
			: [[Nslookup_inverhillsedu.png \| 500px]]
	<pre>Server: 127.0.0.1		<pre>Server: 127.0.0.1
	Address: 127.0.0.1#53		Address: 127.0.0.1#53