2020-05-02 21:57:48 -05:00
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# Upgrade Ubuntu from 18.04 to 20.04
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2020-09-23 05:01:07 -05:00
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[TOC]
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2020-05-02 21:57:48 -05:00
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!!! warning
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THIS IS A DRAFT DOCUMENT, DO NOT APPLY IT.
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2020-12-10 09:05:14 -06:00
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### Upgrade iRedMail to the latest stable release first
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2020-05-02 21:57:48 -05:00
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2020-12-10 09:05:14 -06:00
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Before upgrading server OS, it's better upgrade iRedMail to the latest stable
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release first. You can find [all upgrade tutorials here](./iredmail.releases.html).
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2020-05-02 21:57:48 -05:00
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2020-12-10 09:05:14 -06:00
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### Upgrade OS
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2020-05-02 21:57:48 -05:00
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2020-12-10 09:05:14 -06:00
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After you have latest iRedMail release running, it's ok to upgrade server OS
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with command `do-release-upgrade` now.
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2020-05-02 21:57:48 -05:00
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2020-12-10 09:05:14 -06:00
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### Re-upgrade iRedAPD, iRedAdmin(-Pro), mlmmjadmin to the latest release
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2020-09-23 05:01:07 -05:00
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2020-12-10 09:05:14 -06:00
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After upgraded server OS, please re-upgrade iRedAPD, iRedAdmin(-Pro) and
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mlmmjadmin even you're already running the latest versions before upgrading
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OS, their upgrade scripts will help fix some issues caused by OS upgrade.
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- [Upgrade iRedAPD](./upgrade.iredapd.html)
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- [Upgrade iRedAdmin(-Pro)](./migrate.or.upgrade.iredadmin.html)
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- [Upgrade mlmmjadmin](./upgrade.mlmmjadmin.html)
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2020-05-02 21:57:48 -05:00
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## Configurations
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* `/etc/php/7.4/fpm/pool.d/www.conf`
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```
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[inet]
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user = www-data
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group = www-data
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listen = 127.0.0.1:9999
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listen.owner = www-data
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listen.group = www-data
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listen.mode = 0660
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; IP addresses must be separated by comma, and no space between comma and ip.
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listen.allowed_clients = 127.0.0.1
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pm = dynamic
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pm.max_children = 200
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pm.start_servers = 10
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pm.min_spare_servers = 5
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pm.max_spare_servers = 10
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pm.max_requests = 500
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pm.status_path = /php-fpm-status
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ping.path = /php-fpm-ping
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request_terminate_timeout = 60s
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access.log = /var/log/php-fpm/access.log
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slowlog = /var/log/php-fpm/slow.log
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request_slowlog_timeout = 10s
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```
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