9 digits, what do they mean to me? They are a milestone, for now I am an RHCE! OK, so I'm no poet - but thankfully that is not a requirement at Red Hat! This week I took RH300, and today I passed both EX200 (RHCSA) and EX300 (RHCE). And so now, waiting for my … Continue reading An ode to 130-064-785
Tag: linux
OpenLDAP: Bootstrapping a minimal cn=config
Here is how to bootstrap OpenLDAP's slapd with an absolutely minimal configuration, without needing an intermediate slapd.conf, with one feature -- the local root user (uid=0/gid=0) has "manage" access. From this point, ldapmodify can be used via ldapi to continue making configuration changes. This is a good way to start a new server configuration. Bootstrap: … Continue reading OpenLDAP: Bootstrapping a minimal cn=config
Build a PaaS using Open Source Software
Discussion about OpenShift. OpenShift has been fully open-sourced, available on GitHub for local deployment, or directly usable as a hosted solution. Rule #1: IaaS != PaaS Virtual machines : Application is not necessarily 1:1 Rule #2: PaaS is not a silver bullet Great for Self-service deployment of applications, varied volatile workloads (development, testing, scale-up/out), with tightly … Continue reading Build a PaaS using Open Source Software
Migrating Workloads to Red Hat Enterprise Virtualization – a Customer Perspective
Presentation by Qualcomm on their experience migrating from Xen/RHEL5 to KVM/RHEV6. Straightforward advice -- plan, plan, plan, then do. Qualcomm reduced hardware deployment significantly and simplified management with the RHEV tool suite -- significant operational savings. Qualcomm made extensive use of the virt-v2v tool, but had to modify it (yay Open Source!) to make it … Continue reading Migrating Workloads to Red Hat Enterprise Virtualization – a Customer Perspective
KVM Technology Review and Roadmap Update
KVM is a relatively small piece of code, leveraging Linux for much functionality. This makes KVM easy to secure and very flexible in meeting future needs. Leveraging Linux means that KVM automatically gains the power of Linux's hardware support, memory management, network utilities, cgroups, SELinux, etc. Features: RHEL6.3 KVM has all the features of modern … Continue reading KVM Technology Review and Roadmap Update
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