Chucks notes and stuff

User Tools

Site Tools

Trace:
debian:upgradepathtemplate

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision 		Previous revision
Next revision Both sides next revision
debian:upgradepathtemplate [2024/04/17 19:38]
51.174.65.41 old revision restored (2022/11/12 22:27) 		debian:upgradepathtemplate [2024/04/30 16:41]
135.181.212.177 old revision restored (2022/11/15 12:43)
Line 4: Line 4:
  
 I will normally create a complete system clone and use this template to work out the entire correct and functional path for the production system in question. I will normally create a complete system clone and use this template to work out the entire correct and functional path for the production system in question.
 +
 +Debian Release upgrade paths:
 +
 +  Jessie -> Buster -> Bullseye
 +  Stretch -> Buster -> Bullseye
 +  Buster -> Bullseye
  
 ===== 1. Preparing for the upgrade ===== ===== 1. Preparing for the upgrade =====
Line 14: Line 20:
 ==== 1.3. Prepare for downtime on services ==== ==== 1.3. Prepare for downtime on services ====
  
-    Set maintainance window for upgrade with buffer+ Set maintainance window for upgrade with buffer
  
 ==== 1.4. Prepare for recovery ==== ==== 1.4. Prepare for recovery ====
  
-            Verify the recoverability of system from backup image+ Verify the recoverability of system from backup image
  
 ==== 1.5. Prepare a safe environment for the upgrade ==== ==== 1.5. Prepare a safe environment for the upgrade ====
  
-            Local terminal or SSH access+ Local terminal or SSH access
  
 ==== 1.6. Develop tests for section 3.3 that will ensure correct execution of needed tasks ==== ==== 1.6. Develop tests for section 3.3 that will ensure correct execution of needed tasks ====
  
-            i.e.: + i.e.: 
-                a. Web server delivers correctly +  a. Web server delivers correctly 
-                b. php scripts execute correctly +  b. php scripts execute correctly 
-                c. DB runs correctly +  c. DB runs correctly 
-                d. mail works+  d. mail works
  
 ===== 2. Checking system status ===== ===== 2. Checking system status =====
Line 42: Line 48:
 ==== 2.1. Review actions pending in package manager ==== ==== 2.1. Review actions pending in package manager ====
  
-            # aptitude +    # aptitude 
-            Select GO and review+  Select GO and review
  
 ==== 2.2. Disabling APT pinning ==== ==== 2.2. Disabling APT pinning ====
  
-            check /etc/apt/preferences & /etc/apt/preferences.d/ for entries+ check /etc/apt/preferences & /etc/apt/preferences.d/ for entries 
 ==== 2.3. Checking packages status ==== ==== 2.3. Checking packages status ====
  
-            # dpkg --audit +  # dpkg --audit 
-            # aptitude search "~ahold" +  # aptitude search "~ahold" 
-            # dpkg --get-selections | grep 'hold$'+  # dpkg --get-selections | grep 'hold$' 
 + 
 + To remove a hold on a package: 
 +  echo package_name install | dpkg --set-selections
  
-         To remove a hold on a package: echo package_name install | dpkg --set-selections 
 ==== 2.4. Remove proposed-updates section if present in /etc/apt/sources.list ==== ==== 2.4. Remove proposed-updates section if present in /etc/apt/sources.list ====
  
Line 64: Line 73:
  
 3.1. Update current installation 3.1. Update current installation
-            # sudo apt update+  # sudo apt update
 3.2. Upgrade current installation 3.2. Upgrade current installation
-            # sudo apt upgrade+  # sudo apt upgrade
 3.3. Check functionality 3.3. Check functionality
-            Verify all services required of current host is functioning correctly+ Verify all services required of current host is functioning correctly
 3.4. Upgrade current distribution 3.4. Upgrade current distribution
-            # sudo apt dist-upgrade+  # sudo apt dist-upgrade
 3.5. Check functionality 3.5. Check functionality
-            see 3.3 above+ see 3.3 above
  
 ===== 4. Preparing sources for APT ===== ===== 4. Preparing sources for APT =====
Line 78: Line 87:
  
 4.1. Adding APT Internet sources 4.1. Adding APT Internet sources
-            # sudo sed -i 's/CURRENT_RELEASE/TARGET_RELEASE/g' /etc/apt/sources.list + 
-            # sudo sed -i 's/CURRENT_RELEASE/TARGET_RELEASE/g' /etc/apt/sources.list.d/*+  # sudo sed -i 's/CURRENT_RELEASE/TARGET_RELEASE/g' /etc/apt/sources.list 
 +  # sudo sed -i 's/CURRENT_RELEASE/TARGET_RELEASE/g' /etc/apt/sources.list.d/* 
 4.2. Adding APT sources for a local mirror 4.2. Adding APT sources for a local mirror
-            Only required for special in-house software+ 
 + Only required for special in-house software 
 4.3. Adding APT sources from optical media 4.3. Adding APT sources from optical media
-            Only required for special 3rd party delivered software+ 
 + Only required for special 3rd party delivered software
  
 ===== 5. Upgrading packages ===== ===== 5. Upgrading packages =====
debian/upgradepathtemplate.txt · Last modified: 2024/05/17 15:40 by 3.147.85.175

Page Tools

Except where otherwise noted, content on this wiki is licensed under the following license: CC Attribution-Noncommercial-Share Alike 4.0 International
CC Attribution-Noncommercial-Share Alike 4.0 International Donate Powered by PHP Valid HTML5 Valid CSS Driven by DokuWiki