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From Tectia Server for IBM z/OS when Two Versions Exist
If you have Tectia Server for IBM z/OS versions 5.x and 6.x installed on the same machine, you must choose which installation the upgraded system will be based on.
To upgrade version 6.x to 6.4 while keeping the 5.x installation intact, run command:
When upgrading version 5.x to 6.4, you must choose whether you want to keep the old 5.x version. Choose one of the following upgrade commands:
./setup.sh --upgrade-version-5 --keep-old
./setup.sh --upgrade-version-5 --uninstall-old
Note that you cannot have two separate 6.x versions installed on the same machine, so the 6.x version will be replaced with 6.4 in any case.
The setup script will not restart the server automatically.
Reduce Secure Shell risk. Get to know the NIST 7966.
The NISTIR 7966 guideline from the Computer Security Division of NIST is a direct call to action for organizations regardless of industry and is a mandate for the US Federal government.
ISACA Practitioner Guide for SSH
With contributions from practitioners, specialists and SSH.COM experts, the ISACA “SSH: Practitioner Considerations” guide is vital best practice from the compliance and audit community.