This post shows 2 options:
Also it shows how to configure LDAP Sync Replication (syncrepl) and clients to use SSL/TLS.
Examples below on Centos 7.4, OpenLDAP 2.4.44
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AWX is the upstream project from which the Red Hat Ansible Tower offering is ultimately derived.
Read more: AWX project FAQ
Install steps below on CentOS 7.3 minimal.
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This issue happens on some hardware nodes. After successful compute node install. First boot is hanging with message:
TFTP prefix:
trying to load : pxelinux.cfg/0101FFFF OK
booting from local disk
PXE-M0F: Exiting Intel boot agent
Could not find kernel image:
boot:
Two examples:
This example shows how to automate:
Terraform does not have Ansible provisioner so we'll use local-exec provisioner for Ansible.
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RPM package is convenient way to automate consul installation on many RHEL or CentOS servers. But consul rpm is not provided by HashiCorp.
Let's create consul RPM package for CentOS 7 with systemd support.
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I followed this documentation: https://docs.openstack.org/newton/install-guide-rdo/
Below are mix of issue and how to fix them after install OpenStack (Newton) cluster on Centos 7.
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You cannot create image from a volume in-use. Volume status must be "available" to create image. So:
1. stop instance
2. create snapshoot
3. create new volume from snapshoot
4. convert volume and upload image to the glance
5. download image (optional)
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This post shows how to switch Horizon to HTTPS.
Before start you should have working OpenStack Horizon through HTTP.
My setup:
OS: CentOS 7.3
OpenStack: Newton
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Meaning of this post is to create first simple understanding of the yield. Yield is one of the topics that maybe hard to understand in the Python.
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This post is related to the previous one: Kubernetes – simple install on CentOS 7 with Web UI