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Workbench on Ubuntu 20.04 Focal Fossa
Posted by: Kevin Jaspan
Date: April 27, 2020 09:54AM

I have just upgraded my Ubuntu installation to 20.04. I cannot get the Workbench to connect to a remote instance on the local network. I get error message:

Could not clear password: An AppArmor policy prevents this sender from sending this message to this recipient; type='method call",sender-"1.268" (uid=1000 pid=93949 comm="/snap/mysql-workbench-community/4/usr/bin/mysql-wo" label="snap.mysql-workbench-community.mysql-workbench-community (enforce))")
interface="org.freedesktop.Secret.Service" member="OpenSession" error name="(unset)" requested_reply="0" destination=":1.14" (uid=1000 pid=2135 comm="/usr/bin/gnome-keyring-daermon - daemonize-login "label="unconfined")

I had previously ran the following:

Open the file /etc/apparmor.d/usr.sbin.mysqld in a text editor (for example, vi editor) and add the lines below at the end of the /usr/sbin/mysqld section at the end of the file:

/usr/sbin/mysqld {
...
/proc/*/status r,
/sys/devices/system/node/ r,
/sys/devices/system/node/node*/meminfo r,
/sys/devices/system/node/*/* r,
/sys/devices/system/node/* r,
...
}

Reload AppArmor configuration for MySQL service:

apparmor_parser -r /etc/apparmor.d/usr.sbin.mysqld

Start MySQL server:

service mysql start

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Workbench on Ubuntu 20.04 Focal Fossa
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April 27, 2020 09:54AM


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