“Download Failed” while updating vmWare vCenter appliance

It seems, that if vmWare vCenter 6.5 appliance is behind HTTP proxy,  it uses this proxy only for HTTP connections. Thus update check fails, since it checks remote update site via HTTPS. To fix this, enable SSH acces on vCenter server, connect to it, enter bash shell. Enter valid http proxy address into HTTPS_PROXY (e.g. HTTPS_PROXY=”http://yourproxy” ) line That should […]

Integrating openstack swift with rados backend to NextCloud

To read how to make openstack use ceph as object storage backend, visit: https://www.neblogas.lt/2016/12/23/openstack-object-storage-ceph/ Create openstack user “NextCloud”. Create project “someproject” – this will be our tenant. Add user to project and specify his role ‘swift_admin‘ (as defined in ceph.conf in post above). This is needed for user to be able to create container within object storage. Login as newly […]

Openstack networking VLAN

To create floating IP pool on VLAN tagged physical network: First create a VXLAN network (L2 network):   Now let’s create VLAN network (physical): “-provider-physical-network vlan” is taken  from openstack_user_config.yml  – network: container_bridge: “br-vlan” container_type: “veth” container_interface: “eth12” type: “vlan” net_name: “vlan” range: “102:102” group_binds: – neutron_linuxbridge_agent It can also be found in neutron-server-container: Create a subnet: Since virtual machines […]

Openstack object storage on ceph

This is mainly post for myself to not forget, what was done. To configure Openstack to provide object storage service via Cpeh you need to create RadosGW server (or HA cluster). On openstack utility node: On ceph controller node, edit ceph.config file: /etc/ceph/ceph.conf Note: ‘swift_admin’ represents a additional role, which can be added to non-admin user for him to be […]

KVM-VDI most common problems

Since first release of “KVM-VDI” – an open source VDI solution, based on quemu-kvm and libvirt, users are frequently struggling to install it on the first run. These are most common problems: After importing sql from sql/vdi.sql, you cannot login with default user name and password. sql/vsi.sql is not intended to be manually imported. You should delete all tables from […]