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Container Extensions (zCX)

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zCX: Allow specification of TZ variable during provisioning / same time zone for all users

According to the zCX Users Guide every user can set TZ= environment variable to set the time zone. This would be required after every login or by changing the login script. This has to be done on a user base. It would be better if a central TZ= en...
almost 3 years ago in z/OS / Container Extensions (zCX) 0 Future consideration

Allow user to update config of SSH CLI container for security-related control

Currently, for the SSH CLI container embedded in zCX address space, users are not allowed to update any parms for the SSH server and this will only pick the default Openssh configs for its execution, meaning clients are allowed to use some old and...
7 months ago in z/OS / Container Extensions (zCX) 1 Future consideration

zCX: Make docker cli available as MODIFY command to the STC

Currently, we've to login to zCX to issue "docker" commands like docker logs to zCX. In an early phase like POC / testing this is no problem. But as we're continuing / have the first production applications running, Operators also have to work wit...
about 3 years ago in z/OS / Container Extensions (zCX) 0 Future consideration

zCX Classic (Docker): Allow complete Automation of the workflow (at least update workflow)

If the zCX image is upgrade with z/OS maintenance, there is a ++HOLD ACTION to do the zCX upgrade workflow to apply the changes done by the PTFs. Currently, this has to be done manually because of enforced manual steps in the workflow. In general,...
over 1 year ago in z/OS / Container Extensions (zCX) 0 Future consideration

Ability to send message to zOS Syslog from Docker container in zCX

In an attempt avoid custom code running on the z/OS side I'm simply using fluentd to format the messages then write them out to the USS syslog, which in turn is set to write them to the console. They're being written out fine but are all preceded ...
over 4 years ago in z/OS / Container Extensions (zCX) 3 Future consideration

Change vm.max_map_count on zCX Kernel

To allow running a cluster of ELK (ElasticSearch) containers in a zCX configuration with SWARM, it is necessary to adjust the vm.max_map_count parameter in /etc/sysctl.conf from 65530 to 262144 on zCX Linux system. Without this adjustment, when st...
almost 3 years ago in z/OS / Container Extensions (zCX) 0 Future consideration

zCX-Automate the change of IP address for the zCX instance for DR Testing purposes

We are looking for a way to automate the change of the zCX Instance IP address for DR Testing purposes where we change our DR IP addresses when performing DR network isolated tests.
over 2 years ago in z/OS / Container Extensions (zCX) 0 Future consideration

ZCX / ZOS Communication Server should support multi-IP configurations

For Security-Reasons our firewall blocks traffic to "unusual" ports. So we would like to provide a zCX instance more then one IP like docker on x86 supports. So we can bind connections between host(zcx) and container based on IP-port combinations....
almost 2 years ago in z/OS / Container Extensions (zCX) 0 Future consideration

RMF subtype to capture resource usage metrics for zCX runtime and zCX containers

Current zCX workloads can only be measured and controlled by WLM from z/OS perspective. It does not have correlated data points between GP/zIIP utilization going thru container's utilization within zCX. It would be very helpful to understand how m...
over 4 years ago in z/OS / Container Extensions (zCX) 1 Future consideration

Provide an option to run the zCX upgrade workflow fully automated

Currently the first two steps of the zCX upgrade workflow need to be run manually. It would be great, if these two steps can run automatically, so the whole workflow process needs no further manual intervention, once it was started. This would als...
over 1 year ago in z/OS / Container Extensions (zCX) 0 Future consideration

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