Create sudo.log on Ubuntu server

Create log file:

touch /var/log/sudo.log

Edit the file /etc/sudoers

visudo

Paste
Defaults logfile="/var/log/sudo.log"

Restart rsyslog
sudo systemctl restart rsyslog

View log
tail -f /var/log/sudo.log

Apt error Could not get lock /var/lib/apt/lists/lock

  sudo fuser -vik -TERM /var/lib/apt/lists/lock  

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