VMware - Dive into OVF properties

In order to fully configure a virtual machine after a clone of OVF deployment, it may be useful to use settings from virtualization layer in the guest OS: for example to run Guest OS customization as already discussed in this blog. Today, we will focus on OVF properties. Presentation of OVF properties Representation of OVF properties Create new properties Edit VM properties values Get OVF properties from the guestOS VMware tools ISO image Properties usage...

Openstack - Migrate keystone endpoint URL

After a DNS record change for the controller node of our lab OpenStack infrastructure, Horizon client was still displaying the old endpoint DNS hostname in the API access. This information is coming from the keystone database, so we need to proceed a c List endpoints list, filtered on interface public: $ openstack endpoint list --interface public" +----------------------------------+-----------+--------------+--------------+---------+-----------+----------------------------------------------------------+ | ID | Region | Service Name | Service Type | Enabled | Interface | URL | +----------------------------------+-----------+--------------+--------------+---------+-----------+----------------------------------------------------------+...

Password factory

A quick tip to easily generate random password from a bash command line. Add the following lines to your bashrc file: alias genalphanumpasswd='tr -cd '\''[:alnum:]'\'' < /dev/urandom | fold -w30 | head -n1' alias genpasswd='tr -cd '\''[:graph:]'\'' < /dev/urandom | fold -w30 | head -n1' Save and source it: . ~/.bashrc Then you can use it: $ genalphanumpasswd i?`c8.f{Ba^NXwu^9)VD~dao*?S*Bi $ genalphanumpasswd 75kDvC3fwJAMPPv2CVdEDwNzvHFAZU The first alias, based on [:graph:], produces passwords made of all printable ascii...

Make powershell a bit less ugly

Powershell is a very usefull tool when you have to work on a Windows operating system. It help’s a lot in automation of recurring tasks and provide an easy way to extract informations in custom format. But the default powershell command window is very very… ugly… Here are some customizations I do when I need to use Powershell from a Windows OS: Font: Consolas Font Size : 12pt Window size: 120c*50 Buffer size: 120c*3000 (at...

OVH Cloud - Object Storage with cyberduck

“Object Storage (also known as object-based storage) is a storage architecture that manages data as objects, as opposed to other storage architectures like file systems which manage data as a file hierarchy and block storage which manages data as blocks within sectors and tracks.” Source: Wikipedia-en ovh.com has been providing for a few weeks, an offer on it’s public cloud to manage Object-Storage. A very good way to store many things: Backup with private containers...