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Container Extensions (zCX)

zCX Docker Enhancement Request: Native Support for Pre-Startup Network Dependencies (NFS over AT-TLS)

Executive Summary In zCX environments, container startup is currently non-deterministic when external network dependencies (such as NFS over AT-TLS) are required. The platform lacks native mechanisms for dependency management, startup ordering, an...
3 months ago in z/OS / Container Extensions (zCX) Submitted

Enabling FIPS Mode Support in zCX

We recently conducted a CIS audit which, among other recommendations, identified the need to enable FIPS mode in our environment. This requirement is aligned with industry best practices and may be enforced in future compliance audits. However, wh...
26 days ago in z/OS / Container Extensions (zCX) Submitted

Support Compression for zCX-VSAM Files

We want to compress the data from zCX at runtime to minimize the I/Os and the used space on DASD. For Pervasive Encryption it is recommended to compress data before encryption. For zFS VSAM-LDS Files it is possible to compress by using zfsadm comm...
over 1 year ago in z/OS / Container Extensions (zCX) Future consideration

Allow customer control of ssh host keys in the SSH CLI container

When configured with LDAP (“ZCX_SSHD_LDAP_ENABLE TRUE”) the SSH CLI container is generating new host keys every restart, this prevents using ssh key authentication and host verification, the latter is a security issue as the identity of the host c...
9 months ago in z/OS / Container Extensions (zCX) Future consideration

Remove home directory of removed LDAP user

When a ZCX user is removed from LDAP it's home directory is not removed. There is no way to remove this. So you end up with home directories which correspond to old users. I think there must be a solution created for this. When using ZCX local use...
4 months ago in z/OS / Container Extensions (zCX) Submitted

Allow modification of the core_pattern in zCX.

Currently the core_pattern (/proc/sys/kernel/core_pattern) in zCX contains string “|/usr/sbin/event-daemonCoreDump.sh %e %p %s” even though /usr/sbin/event-daemonCoreDump.sh is not supplied by IBM. This prevents capturing core dumps in containers.
9 months ago in z/OS / Container Extensions (zCX) Future consideration

zCX: Personal and technical Userids mustn't be in the same group / results in workflow failures / rerunability

The zCX workflow says for the SAF group to be specified during provisioning: "Specify an existing SAF group name to allow that group access to this IBM z/OS Container Extensions appliance instance directory. The provisioning user of this IBM zCX a...
over 5 years ago in z/OS / Container Extensions (zCX) Future consideration

sudo incidents should be reported

If a user, that is not in the sudo group tries to issue a sudo it looks like this: user@server:~$ sudo mkdir /test[sudo] password for user:user is not in the sudoers file. This incident will be reported. But as I was told in case TS004442144 this ...
over 5 years ago in z/OS / Container Extensions (zCX) Future consideration

z/OSMF Workflow Syntax Check for input variables

Currently, z/OSMF seems to not be able to check input fields for the correct syntax. In case of wrong input fields, z/OSMF just accepts the input and continues. This is even worse in case of e.g. provisioning a black box like zCX. For example: zCX...
over 4 years ago in z/OS / Container Extensions (zCX) Future consideration

zCX/Openshift Multi-Architectur Support with VMWare & zCX

With OpenShift 4.14, OpenShift supports Multi-Architectur setup with the Control Nodes on x86 and e.g. Worker Nodes on s390x (zCX). Unfortunately, VMWare is a not supported plattform. Without that support, we'll never get the chance to go to produ...
over 2 years ago in z/OS / Container Extensions (zCX) Future consideration

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