Linux: Debian release upgrade - Revision history

Lukas Dzunko: /* Modify repository configuration */

2018-02-05T10:30:34Z

‎Modify repository configuration

Lukas Dzunko: /* Reboot system */

2017-06-21T20:48:27Z

‎Reboot system

Lukas Dzunko: /* Reboot system */

2017-06-21T20:38:09Z

‎Reboot system

Lukas Dzunko: /* Reboot system */

2017-06-21T20:37:47Z

‎Reboot system

Lukas Dzunko: /* Reboot system */

2017-06-21T20:32:43Z

‎Reboot system

Lukas Dzunko: /* Verify package database */

2017-06-21T20:27:52Z

‎Verify package database

Lukas Dzunko: /* Upgrade to Stretch */

2017-06-21T20:25:03Z

‎Upgrade to Stretch

Lukas Dzunko: /* Modify repository configuration */

2017-06-21T20:21:57Z

‎Modify repository configuration

Lukas Dzunko: /* Check package database */

2017-06-21T20:20:47Z

‎Check package database

Lukas Dzunko at 20:17, 21 June 2017

2017-06-21T20:17:51Z

@@ Line 42: / Line 42: @@
 File should looks like this:
 <pre>
 deb http://ftp.sk.debian.org/debian/ stretch main
 deb-src http://ftp.sk.debian.org/debian/ stretch main

← Older revision		Revision as of 20:48, 21 June 2017
Line 84:		Line 84:

	<pre>lsb_release -a</pre>		<pre>lsb_release -a</pre>
		+
		+	=== Enjoy new system ===
		+	You should have working Debian Stretch installation at this point. Additional update steps will highly depend on your environment but I still have one recommendation.
		+
		+	Run once more "Upgrade to Stretch" to see that everything is fine after reboot. There may be packages that get released during reboot or additional candidates for cleanup after you remove obsolete packages.

@@ Line 75: / Line 75: @@
 === Reboot system ===
-'''Warning:''' Debian Stretch adapt predictable network device names. This mean that network device names may change during reboot from "Jessie" to "Stretch". Modification of <code>/etc/network/interfaces</code> may be necessary.
+'''Warning:''' ''Debian Stretch adapt predictable network device names. This mean that network device names may change during reboot from "Jessie" to "Stretch". Modification of <code>/etc/network/interfaces</code> may be necessary.''
 This step is necessary to load new kernel and also good practice to see if system boot in case reboot is needed.

← Older revision		Revision as of 20:37, 21 June 2017
Line 75:		Line 75:

	=== Reboot system ===		=== Reboot system ===
		+	'''Warning:''' Debian Stretch adapt predictable network device names. This mean that network device names may change during reboot from "Jessie" to "Stretch". Modification of <code>/etc/network/interfaces</code> may be necessary.
		+
	This step is necessary to load new kernel and also good practice to see if system boot in case reboot is needed.		This step is necessary to load new kernel and also good practice to see if system boot in case reboot is needed.

@@ Line 77: / Line 77: @@
 This step is necessary to load new kernel and also good practice to see if system boot in case reboot is needed.
-<pre>shutdon -r now</pre>
+<pre>shutdown -r now</pre>
 Final verification of debian version:
 <pre>lsb_release -a</pre>

@@ Line 66: / Line 66: @@
 </pre>
-=== Verify package database ===
+=== Verify package database (yes, again) ===
 <pre>dpkg --audit</pre>
 <pre>aptitude search '~o'</pre>
 === Reboot system ===

← Older revision		Revision as of 20:25, 21 June 2017
Line 54:		Line 54:

	=== Upgrade to Stretch ===		=== Upgrade to Stretch ===
		+	System will update itself to Stretch at this point. Key element is "Stretch" sources from previous step.
		+
		+	Watch closely messages generated by update. There may be additional steps needed depending on installed packages.

	<pre>		<pre>

@@ Line 52: / Line 52: @@
 deb-src http://ftp.sk.debian.org/debian/ stretch-updates main
 </pre>
 === Upgrade to Stretch ===

← Older revision		Revision as of 20:20, 21 June 2017
Line 30:		Line 30:

	<pre>dpkg --audit</pre>		<pre>dpkg --audit</pre>
		+
		+	Correct all errors before continuing.

	<pre>apt-mark showhold</pre>		<pre>apt-mark showhold</pre>

@@ Line 1: / Line 1: @@
 This article describe update from Debian 8 (Jessie) to Debian 9 (Stretch). It may be used also for future updates but keep in mind that references to "Stretch" needs to be updated for such a use case. Also take extra precaution if you use third party software. Additional compatibility checks and update steps may be necessary if third party software is installed on system.
-=== 1. Take system backup and offload it ===
+=== Take system backup and offload it ===
 Update itself should be flawless but ...
@@ Line 10: / Line 10: @@
 It is good practice to backup system prior to update and offload backup data from system.
-=== 2. Search for obsolete packages ===
+=== Search for obsolete packages ===
 <pre>aptitude search '~o'</pre>
 This command list all packages that are no longer present in repository. Those packages are either obsolete or manually installed. Consider removing all those packages before continuing.
-=== 3. Perform full Jessie Upgrade ===
+=== Perform full Jessie Upgrade ===
 It is essential to get system up2date on Jessie before we move to Stretch.
@@ Line 26: / Line 26: @@
 </pre>
-=== 4. Check package database ===
+=== Check package database ===
 This step will performs database sanity and consistency check.
@@ Line 35: / Line 35: @@
 If there are packages <code>On Hold</code> then un-hold them and upgrade before continuing. If you skip this check then you may face problems with dependencies in next steps.
-=== 5. Modify repository configuration ===
+=== Modify repository configuration ===
 Open <code>/etc/apt/sources.list</code> for editing and replace references to <code>jessie</code> with <code>stretch</code>.
@@ Line 52: / Line 52: @@
-=== 6. Upgrade to Stretch ===
+=== Upgrade to Stretch ===
 <pre>
@@ Line 62: / Line 62: @@
 </pre>
-=== 7. Verify package database ===
+=== Verify package database ===
 <pre>dpkg --audit</pre>
@@ Line 68: / Line 68: @@
 <pre>aptitude search '~o'</pre>
-=== 8. Reboot system ===
+=== Reboot system ===
 This step is necessary to load new kernel and also good practice to see if system boot in case reboot is needed.