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tips.md

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tips

  • how to resiter system to subscription manager

      subscription-manager register --username=$RHSM_USERNAME --password=$RHSM_PASSWORD

  • how to attach subscription

      subscription-manager attach --pool=$RHSM_POOLID

  • how to add RHSCL(Red Hat Software Collections) repository

    RHEL7:

    subscription-manager repos --enable rhel-server-rhscl-7-rpms
subscription-manager repos --enable rhel-server-rhscl-7-debug-rpms
subscription-manager repos --enable rhel-server-rhscl-7-source-rpms

    RHEL6:

    subscription-manager repos --enable rhel-server-rhscl-6-rpms
subscription-manager repos --enable rhel-server-rhscl-6-debug-rpms
subscription-manager repos --enable rhel-server-rhscl-6-source-rpms

    See here for detail.

  • how to add EAP6.4 repository

    RHEL7:

    subscription-manager repos --enable jb-eap-6.4-for-rhel-7-server-rpms
subscription-manager repos --enable jb-eap-6.4-for-rhel-7-server-source-rpms
subscription-manager repos --enable jb-eap-6.4-for-rhel-7-server-debug-rpms

    RHEL6:

    subscription-manager repos --enable jb-eap-6.4-for-rhel-6-server-rpms
subscription-manager repos --enable jb-eap-6.4-for-rhel-6-server-source-rpms
subscription-manager repos --enable jb-eap-6.4-for-rhel-6-server-debug-rpms

  • how to add EAP7.0 repository

    RHEL7:

    subscription-manager repos --enable jb-eap-7.0-for-rhel-7-server-rpms
subscription-manager repos --enable jb-eap-7.0-for-rhel-7-server-source-rpms
subscription-manager repos --enable jb-eap-7.0-for-rhel-7-server-debug-rpms

  • how to add JWS3 repository

    RHEL7:

    subscription-manager repos --enable jws-3-for-rhel-7-server-rpms

  • how to add JBCS repository

    RHEL7:

    subscription-manager repos --enable=jb-coreservices-1-for-rhel-7-server-rpms
subscription-manager repos --enable=jb-coreservices-1-for-rhel-7-server-source-rpms
subscription-manager repos --enable=jb-coreservices-1-for-rhel-7-server-debug-rpms

    RHEL6:

    subscription-manager repos --enable=jb-coreservices-1-for-rhel-6-server-rpms
subscription-manager repos --enable=jb-coreservices-1-for-rhel-6-server-source-rpms
subscription-manager repos --enable=jb-coreservices-1-for-rhel-6-server-debug-rpms

  • how to clear cache

    If you see the "HTTP(S) Error 404" message, the yum cache may be corrupted.

    https://cdn.redhat.com/content/dist/rhel/server/7/7Server/x86_64/qci/1.0/debug/repodata/repomd.xml: [Errno 14] HTTPS Error 404 - Not Found
Trying other mirror.
To address this issue please refer to the below knowledge base article

https://access.redhat.com/articles/1320623

If above article doesn't help to resolve this issue please open a ticket with Red Hat Support.

https://cdn.redhat.com/content/dist/rhel/server/7/7Server/x86_64/qci/1.1/debug/repodata/repomd.xml: [Errno 14] HTTPS Error 404 - Not Found

Trying other mirror.

    Then, clear the yum cache:

    # rm -fr /var/cache/yum/*
# yum clean all --enablerepo=*debug-rpms

  • pcore fails againt a core generated by gcore

    According to https://bugzilla.redhat.com/show_bug.cgi?id=1371380, the commands in elfutils fail, since the core file generated by gcore is bogus. The pcore uses eu-unstrip in elfutils internally and may hit the issue. The workaround is:

    # PID=<pid of target process>
# cat /proc/$PID/coredump_filter
00000033
# echo 0x37 >/proc/$PID/coredump_filter
# cat /proc/$PID/coredump_filter
00000037
[root@rhel6pek pcore]# gcore $PID

    Then, run the pcore against the generated core.