zsnapd-trigger command not found

In this troubleshooting guide we learn how to fix zsnapd-trigger command not found error message

Introduction

When you run more command in linux terminal / console, you get the following error message

zsnapd-trigger: command not found

or when using sudo you get the following error message

sudo: zsnapd-trigger: command not found

In Ubuntu zsnapd-trigger is provided by zsnapd package.

zsnapd is:

Python daemon that manages ZFS snapshots and send/receive backup. Based on zfs-snap-manager.

Remote ZFS snapshoting/aging wnd replication back to central ZFS backup server. Only need to install zfs-utils, zsnapd-rcmd (for secure) remote ssh key login and sshd on client, and use root ssh key based log in.
Has connectivity test to skip scheduled actions when the remote site cannot be contacted. Actually quite useful for ZFS backing up laptops. Reachability failures are logged of course!
Uses Python3
Native systemd support.
Configuration is stored in configuration files with the ini file format. Configuration .d parts directories also present
Triggers the configured actions based on time or a ‘.trigger’ file present in the dataset’s mountpoint.
Can take snapshots (with a yyyymmddhhmm timestamp format).
Can replicate snapshots to/from other nodes.
Push based when the replication source has access to the replication target.
Pull based when the replication source has no access to the replication target. Typically when you don’t want to give all nodes access to the backup/replication target.
Cleans all snapshots with the yyyymmddhh timestamp schmea format based on a GFS schema (Grandfather, Father, Son). Timestamp evaluation based on actual ZFS snapshot creation metadata.
Supports pre and post commands.

To fix this problem, we can install more using the command below.

sudo apt-get -y install zsnapd

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install zsnapd.

sudo apt -y install zsnapd

Or if you have aptitude installed you can use the following command.

sudo aptitude install zsnapd

In this tutorial we learn how to fix zsnapd-trigger command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.