Skip links

Installing Nuage

Unable to open shell error: take 2

Have you seen this error? unable to open shell. Please see: /network_debug_troubleshooting.html#unable-to-open-shell We’ve written previously about a few ways to handle the situation when MetroÆ hits a problem connecting to the VSC using the Ansible sros_command and sros_config modules. The other topic focuses on making sure that you

Public key for .rpm is not installed

As part of the installation of VRS on Linux compute blades, MetroAE follows best practices and executes a yum update. It also installs mandatory prerequisite packages that VRS software requires. Under certain conditions, we have found that the package updates fail with an error message of

fallocate: Operation not supported

The VSP Install Guide makes a best-practice recommendation to use the fallocate command on a Linux hypervisor when copying the qcow2 image file. fallocate will tell the file system on the hypervisor to pre-allocate disk space for the file, preventing a potential out-of-space error as the qcow2 grows. The

Not enough memory on KVM

Our lab machines tend to have small memory sizes. When we do our testing, we often ‘cheat’ by allocating less RAM for Nuage VMs that we spin up on hypervisors. This is *Not* acceptable in a production environment, but can be useful in a PoC