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debian:upgradepathtemplate
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debian:upgradepathtemplate [2025/06/15 00:01] 95.217.109.26 old revision restored (2023/02/04 02:33) |
debian:upgradepathtemplate [2025/06/15 20:05] (current) 147.135.212.200 old revision restored (2023/04/23 22:04) |
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| 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 |
| ==== 1.4. Prepare for recovery ==== | ==== 1.4. Prepare for recovery ==== | ||
| - | | + | 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 |
| ==== 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.: |
| - | 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 ==== | ||
| - | | + | |
| - | Select GO and review | + | Select GO and review |
| ==== 2.2. Disabling APT pinning ==== | ==== 2.2. Disabling APT pinning ==== | ||
| - | | + | check / |
| ==== 2.3. Checking packages status ==== | ==== 2.3. Checking packages status ==== | ||
| - | | + | |
| - | # aptitude search " | + | # aptitude search " |
| - | # dpkg --get-selections | grep ' | + | # dpkg --get-selections | grep ' |
| + | |||
| + | 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 / | ==== 2.4. Remove proposed-updates section if present in / | ||
debian/upgradepathtemplate.1749938468.txt.gz · Last modified: 2025/06/15 00:01 by 95.217.109.26
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