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Further exploration of Fault Tolerance with MaaS and juju

For a little different take on Mario's question. Fault Tolerance With MAAS and juju What is the best way to put together a redundant MaaS system? That is, if I have a hardware failure on my MaaS ...
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Cluster Heartbet-drbd-mysql VMs

In the context of the full replication of my system and I want to test the failover to create a cluster heartbeat/drbd/mysql that will be managed by heartbeat and drbd. I face several problems: on ...
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439 views

unable to install and configure chef-server on ubuntu 12.04

I have ubuntu 12.04 installed on aws cloud and I am trying to install chef server on it, but it does not configures correctly and returns an error. I am following this simple guide for installation ...
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190 views

Bluetooth is STILL disabled in 14.04

I tried everything, but bluetooth is still disabled. I tried these: sudo apt-get install bluez bluez-alsa bluez-audio bluez-btsco bluez-compat bluez-cups bluez-dbg bluez-gstreamer bluez-hcidump ...
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1answer
851 views

ISC-DHCP-SERVER (primary/secondary) - Can Load Balancing Be Disabled?

When I was hired at my company, I quickly determined that one of my highest priority projects would be to improve our ancient DNS/DHCP setup. It was running on an Ubuntu-based workstation-grade server ...
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318 views

Failover clustering with apache2 on linux(ubuntu) and file synchonization

I am interested in creating a failover cluster on Ubuntu(12.04.3 LTS) using apache2. I am currently using ucarp. Q1: I followed instructions on this first link but I have a problem in file ...
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295 views

How do I perform maintenance on a master DNS/DHCP (BIND9/ISC-DHCP) Ubuntu server?

I'm running non-GUI Ubuntu Server 12.04.2 LTS (64-bit) on my 2 DNS/DHCP servers. Both servers are running BIND9 9.8.1-P1 and ISC-DHCP-SERVER 4.1.ESV-R4-0ubuntu5.6. Please note that for DNS I'm ...
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Content Delivery Network

I have a project that i need to setup Content Delivery Network on Ubuntu, That involves like Geo Dns structure, Fail over and High availability So i am looking if some one help me that where should i ...
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Question regarding the dhcpd.leases file for ISC-DHCP-SERVER (Ubuntu 12.04 LTS x64)

Backstory: I am in the process of replacing a SINGLE Debian 3.1 (Sarge) ISC-DHCP-SERVER with 2 Ubuntu 12.04 LTS x64 servers running ISC-DHCP-SERVER in failover mode. I've been unable to find the ...
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336 views

How can I tell how long for Watchdog to wait to stop all processes?

I have a server which is monitored by Watchdog, and experiences reboots occasionally due to faulty network hardware I am unable to replace at the moment. As I read, Watchdog sends a SIGTERM to all ...
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65 views

Have no Internet connection over Crosscable

I bought a Crosscable and wanted to configure my Server, like it's said in the Wiki. But when I connect, I don't get wireless Internet and the Lan Adapter says I am connected, but I have no ...
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7k views

Failed to load module fglrx (module does not exist 0) on Backtrack 5 [closed]

I have uninstalled fglrx modules and ati modules in order to re-install them.after the rebooting the i cant come up with GUI.... On startx it displays Failed to load module fglrx (module does not ...
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1answer
765 views

Rackspace, heartbeat ip failover [closed]

I have tested tomcat specific clustering with apache mod_jk and mod_proxy on ubuntu local VMs for our website high availability and load balancing. The real servers are hosted by Rackspace cloud ...
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2k views

How to use DRBD for entire system replication

I have installed and configured DRBD on my Ubuntu 9.10 Servers, by following the links below. link text1 and link text2 I'm in a plan to configure Ubuntu Servers for High Availability, so i have ...