Mariadb/mysql start fail

Install / Update
1

Hello I am installing Frappe bench in android using Ubuntu 18.4 distro ARM64

After installing Mariadb
I added configuration lines in [innodb-file-format=barracuda
innodb-file-per-table=1
innodb-large-prefix=1
character-set-client-handshake = FALSE
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci

[mysql]
default-character-set = utf8mb4]

In
/etc/mysql/mariadb.conf.d/50-server.cnf

I restarted by command (service mysql restart)
But after stopping
It failed to start mysql again.

Please help me as I am new to Linux.

Thanks

2

Can you show the last part of the cnf file, and the error/trace screen for mysql (or its start log)?

3

Screenshot_20190608-193245_JuiceSSH
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Screenshot_20190608-193300_JuiceSSH
Screenshot_20190608-193300_JuiceSSH539×1109 225 KB
Screenshot_20190608-193311_JuiceSSH
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Screenshot_20190608-193319_JuiceSSH
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I had added the code below the [mariadb-10.0] line which I have removed in order to see if Maria dB is working without this code. When I started sudo service mysql start it worked

The error log is this

Screenshot_20190608-170326_JuiceSSH
Screenshot_20190608-170326_JuiceSSH381×784 287 KB

If I add the code it will look like this

Screenshot_20190608-194605_JuiceSSH
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