A C D F H I M O P R S T V W
- When is a virtual machine deployment marked as "Failed"?
Sometimes a virtual machine deployment request could fail because of space constraints. When this happens the status of the virtual machine is marked as "Failed" ...
- What are "Stale" entries in the deployed sessions list?
Description
The system keeps track of the state of every deployed machine via a set of cooperating processes on the set of servers including the colama ...
- What are "pending jobs"?
Very many operations a user initiates could potentially take a while to complete. In order to ensure you are not tied down while the system ...
- What is the keypad enhancer?
While the system goes to great lengths to provide you with an almost native compute experience while using virtual machines, there are some unavoidable differences ...
- What prevents me from opening a VPN connection for support?
Before opening a VPN connection for support you need to obtain a password by calling Colama support by phone. If after obtaining the password you ...
- Why can't I access Colama with two different browsers from the same thin client?
Colama uses sessions which are tied to the IP address of the thin client. Hence, two sessions for the same user, from a given thin ...
- What would happen if one disables existing login accounts for the examinees ?
This prevents the students from being able to access their lab machines.
Do not delete the accounts.
...
- What are the hardware requirements for installation of Colama™ Univ. Edition server?
Hardware requirements (minimal)
PCs with >1GB of RAM and >500GB of hard disk space .
UPS backup and two network interface cards for at least one PC ...
- What are the network requirements for installation of Colama™ Univ. Edition server ?
Network requirements
An isolated class C network.
Switched (100Mbps or faster) networking for the lab.
An identified gateway.
An identified DNS server.
...
- What disk partition layout is required while installing Colama™ Univ. Edition server?
Following disk partition layout is recommended.
Software Raid 10 (mirror + stripe)
LVM on top of above raid setup.
Single partition for Ubuntu OS on top of LVM.
...
- What are the steps for installing the Colama™ Univ. Edition server ?
Steps for installing Colama™ Univ. Edition server :
Identify a physical host that satisfies the hardware requirements listed.
Install Ubuntu 12.04.1 (Precise Pangolin) on the identified machine
Set up networking ...
- What are the basic architectural components of COLAMA™?
The COLAMA™ - Univ. Edition platform has the following physical components.
The COLAMA server which
Maintains a repository of all virtual machines with appropriate annotations.
Provides a web based ...
- What are the roles and capabilities supported?
The colama™ - Univ. Edition platform supports 3 categories of users.
Administrators - who are primarily responsible for
Creating and maintaining approved versions (golden images) of virtual machines for ...
- What are the network requirements for installation of Colama™ Univ. Edition server ?
Network requirements
An isolated class C network.
Switched (100Mbps or faster) networking for the lab.
An identified gateway.
An identified DNS server.
...
- Why is the dashboard not working at all?
Symptom:
All you see at Reports->Dashboard is the following error message ...
There was an error collecting ganglia data (127.0.0.1:8652): fsockopen error: Connection refused
Probable Cause:
The most likely ...
- Why is the colama-server awfully slow?
Symptom:
All/any requests to the colama-server take inordinately long to get a response.
Probable Cause:
most likely scenarios is that dnsmasq on the colama-server has been configured with ...
- Why do machines not show the correct time?
Symptom:
Machines show arbitrary system times, often days or weeks in the past.
Probable Causes:
The are a few common causes for this problem ...
Machines synchronise their system ...
- Will my lab be secure and under my control with Colama being used to manage it ?
Security, compliance and liability related issues -For better or for worse, we live in times that aren't safe and that is true about the digital ...
- What can a teacher do with a lab management software?
Enable teachers to benefit from technologyCourse content sharing - Given the paucity of good teachers, wouldn't it be great to enable a teacher to reach out ...
- Why thinclients are not booting/coming up?
Symptom:
Netbooted thinclients are not booting up at all.
Probable Cause:
The netboot capability depends on a number of services. Chances are that one of these services has ...
- Why the new changed configuration data is not reflected on the 'server page' ?
Clicking on Properties from the Servers page will refresh the data in the database. Below are the steps :
1. Goto 'Server page'.
2. Click on the ...
- Why is boot failing for a linux machine?
Symptom:
error:no suitable mode found error:unknown command 'terminal' out of range pointer 0x80220000 Aborted.Press any key to exit.No bootable device.
Probable Cause: When kvm hypervison is ...
- Why does paused video restart upon switching tabs within MyCourse?
Symptom:
It may happen that a paused video resumes from begining instead of maintaing state upon switching tabs.
Probable Causes:
This would occur if video is being embedded ...
- What are meaning of the terms used in license info ?
The meaning of the terms used in license deatils are as follows:
1. Max running machines ==> It implies that, maxium number of deployed machines that ...
- What configuration is required to access virtual machine console using firefox from a windows machine?
1) Download installer by typing following URL http://<infracc-server>/infracc_client.exe in your browser2) Run the downloaded installer. 3) Now try opening a vm console using firefox. Firefox ...
- What configuration is required to access virtual machine console using Internet Explorer 8?
Note: The method mentioned below might work for other versions of Internet Explorer. This has been tested with Internet Explorer 8. (Mention build number here).
1) ...
- Why does license become invalid after hardware upgrade?
On installation, Colama configures system according to underlying hardware. Some of the configuration done are - registering MAC address in 70-persistent-net.rules, generating node-id constructed ...
- What configuration is required to access virtual machine console using Internet Explorer 9?
Note: The method mentioned below might work for other versions of Internet Explorer. This has been tested with Internet Explorer 9. (Mention build number here). ...
- What are the default login credentials for admin user in Colama RDE?
Default login credentials for admin user are username rootpassword coriolisfor first time login enter Username as "administrator" ORselect persona as administrator ...