Notifications are received: flock: failed to execute /opt/alt/python38/bin/python3: No such file or directory

Issue

• Imunify360 was removed from the system;
• Notifications such as the following ones are received:

Subject: Cron root@collegegreengroup /usr/bin/flock -n /var/run/shrinker.lock /opt/alt/python38/bin/python3 /opt/alt/modsec-sdbm-util/bin/shrinker.py > /dev/null
To: [e-mail]
flock: failed to execute /opt/alt/python38/bin/python3: No such file or directory

Environment

• Imunify360
• Installation

Solution

• Install and then remove Imunify360 using the script (already on the system):

# i360deploy.sh
# i360deploy.sh --uninstall

• or simply remove the leftover crons:

# rm /etc/cron.d/imunify-antivirus
# rm /etc/cron.d/imunify-notifier
# rm /etc/cron.d/shrinker-cron 

Cause

Cron tasks were left on the system after the Imunify360 removal.