Ubuntu 18:04: How do I add an application to the list of default applications?

I want to install a default handler for MIDI files (such as those embedded in a Wikipedia page such as this: https://en.wikipedia.org/wiki/Ninth_chord). I tried installing two (timidity and Yoshimi). Both are able to play MIDI files from the command line or the application’s menu. However, neither of these appear in the list of default applications.…

Details

Backup script is being executed in cron job but no backup is being produced

If I run my backup script manually from the command line it works fine. No issue backup is created. In the crontab log, I can see the entry for running the backup at 2:00 AM, /home/sgaddis/copy-production-db.sh: Dec 23 01:01:01 mapehr anacron[11921]: Anacron started on 2019-12-23 Dec 23 01:01:01 mapehr anacron[11921]: Normal exit (0 jobs run)…

Details

Modify variable into log_format

I have simple config: http { log_format main ‘”rmethod”:”$request_method” “uri”:”$uri” “args”:”$args”; access_log /tmp/nginx_access.log main; … } Problem is that args contains sensitive information. Can I hide some query parameters? For example: $args value is cmd=list&username=qwe&ext=625&sensitive_info=sfsfsd&cred=Black0ps5762 After using regex ^(.*)((?:sensitive_info=.*)&)(.*)$ will form a new variable by capture groups: args = $1$3. Is it possible?

Details