Date: Fri, 29 Mar 2024 08:51:47 +0000 (UTC)
Message-ID: <1779409380.12637.1711702307766@change.sos-berlin.com>
Subject: Exported From Confluence
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Cross-Platform Scheduling
Cross-Platform Scheduling
JobScheduler uses two methods for remote execution: JobScheduler Agents and Agentless Scheduling per SSH.
- Agents are used in a Master / Agent Cluster and are completely controlled by a Master JobS=
cheduler. They are used for simplified roll-out do and not require an indiv=
idual configuration and database connection.
- Remote execution by SSH does not require a JobScheduler component on th=
e remote server - instead an existing SSH server is used to create a secure=
shell and to execute commands and programs.
Any number of JobS=
cheduler Universal Agents are controlled by a Master JobScheduler in a =
Master / Agent Cluster<=
/a> and are used for carrying out remote scheduling tasks.
- Agents are equipped with a reduced set of functions that allows simplif=
ied roll-out and configuration.
- Agents do not require a database connection and do not dispose of indiv=
idual configuration files as job execution on an Agent is triggered by its =
Master and the Agent logs the execution result to its Master.
Read more ....
The SSH (Secure Shell) JITL job (Job=
SchedulerSSHJob) allows a JobScheduler to execute programs on another c=
omputer without a JobScheduler Agent being installed on that machine.
The JobSchedulerSSHJob allows execution on Windows and Unix systems=
.
- The elegance of SSH is its simplicity. It allows public/private key aut=
hentication and is well suited to execute programs for specific accounts.
- The JobScheduler SSH JITL job allows shell scripts to return values to =
JobScheduler orders as parameters.
- One of the restrictions of standard SSH connections is that there is li=
mited control of child processes on the remote host.
- If a number of child processes are spawned by a program during an SSH s=
ession and that session gets killed then these child processes would normal=
ly continue running.
- The JobScheduler provides a method for monitoring SSH connections that =
allows both remote sessions and local JobScheduler tasks to be terminated.
- The JobScheduler provides a means of controll=
ing the behavior of standard error output and exit codes of shell commands =
using the SSH JITL Job.
Read more ....
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