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How To Upgrade Ubuntu 11.10 (Oneiric Ocelot) To 12.04 LTS (Precise Pangolin) (Desktop & Server)

How To Upgrade Ubuntu 11.10 (Oneiric Ocelot) To 12.04 LTS (Precise Pangolin) (Desktop & Server)

The new Ubuntu 12.04 LTS (Precise Pangolin) has just been released. Ubuntu 12.04 LTS is a long-term support release, which means it is supported for five years. This guide shows how you can upgrade your Ubuntu 11.10 desktop and server installations to Ubuntu 12.04 LTS.

Striping Across Four Storage Nodes With GlusterFS 3.2.x On Ubuntu 11.10

Striping Across Four Storage Nodes With GlusterFS 3.2.x On Ubuntu 11.10

This tutorial shows how to do data striping (segmentation of logically sequential data, such as a single file, so that segments can be assigned to multiple physical devices in a round-robin fashion and thus written concurrently) across four single storage servers (running Ubuntu 11.10) with GlusterFS. The client system (Ubuntu 11.10 as well) will be able to access the storage as if it was a local filesystem. GlusterFS is a clustered file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. Storage bricks can be made of any commodity hardware such as x86_64 servers with SATA-II RAID and Infiniband HBA.

Maintaining Remote Web Sites With sitecopy (Debian Squeeze/Ubuntu 11.10)

Maintaining Remote Web Sites With sitecopy (Debian Squeeze/Ubuntu 11.10)

sitecopy is a tool for copying locally stored web sites to a remote web server (using FTP or WebDAV). It helps you to keep the remote site synchronized with your local copy by uploading modified local files and deleting remote files that have been deleted on the local computer. This tutorial shows how you can manage your remote web site from your local Debian Squeeze/Ubuntu 11.10 desktop with sitecopy.

Distributed Replicated Storage Across Four Storage Nodes With GlusterFS 3.2.x On Ubuntu 11.10

Distributed Replicated Storage Across Four Storage Nodes With GlusterFS 3.2.x On Ubuntu 11.10

This tutorial shows how to combine four single storage servers (running Ubuntu 11.10) to a distributed replicated storage with GlusterFS. Nodes 1 and 2 (replication1) as well as 3 and 4 (replication2) will mirror each other, and replication1 and replication2 will be combined to one larger storage server (distribution). Basically, this is RAID10 over network. If you lose one server from replication1 and one from replication2, the distributed volume continues to work.

Linux Basics - Set A Static IP On Ubuntu

Linux Basics - Set A Static IP On Ubuntu

This tutorial explains how to set a static IP on an Ubuntu system from the command line.

Configuring DNSSEC On BIND9 (9.7.3) On Debian Squeeze/Ubuntu 11.10

Configuring DNSSEC On BIND9 (9.7.3) On Debian Squeeze/Ubuntu 11.10

This guide explains how you can configure DNSSEC on BIND9 (version 9.7.3 that comes with Debian Squeeze/Ubuntu 11.10) on Debian Squeeze and Ubuntu 11.10. It covers how to enable DNSSEC on authoritative nameservers (master and slave) and on resolving nameservers, creation of keys (KSKs and ZSKs), signing of zones, key rolling with rollerd, zone file checking with donuts, creation of trust anchors, using DLV (DNSSEC look-aside validation), and getting your DS records into the parent's zone.

Distributed Storage Across Four Storage Nodes With GlusterFS 3.2.x On Ubuntu 11.10

Distributed Storage Across Four Storage Nodes With GlusterFS 3.2.x On Ubuntu 11.10

This tutorial shows how to combine four single storage servers (running Ubuntu 11.10) to one large storage server (distributed storage) with GlusterFS. The client system (Ubuntu 11.10 as well) will be able to access the storage as if it was a local filesystem. GlusterFS is a clustered file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. Storage bricks can be made of any commodity hardware such as x86_64 servers with SATA-II RAID and Infiniband HBA.

High-Availability Storage With GlusterFS 3.2.x On Ubuntu 11.10 - Automatic File Replication Across Two Storage Servers

High-Availability Storage With GlusterFS 3.2.x On Ubuntu 11.10 - Automatic File Replication (Mirror) Across Two Storage Servers

This tutorial shows how to set up a high-availability storage with two storage servers (Ubuntu 11.10) that use GlusterFS. Each storage server will be a mirror of the other storage server, and files will be replicated automatically across both storage servers. The client system (Ubuntu 11.10 as well) will be able to access the storage as if it was a local filesystem. GlusterFS is a clustered file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. Storage bricks can be made of any commodity hardware such as x86_64 servers with SATA-II RAID and Infiniband HBA.

Creating An NFS-Like Standalone Storage Server With GlusterFS 3.2.x On Ubuntu 11.10

Creating An NFS-Like Standalone Storage Server With GlusterFS 3.2.x On Ubuntu 11.10

This tutorial shows how to set up a standalone storage server on Ubuntu 11.10. Instead of NFS, I will use GlusterFS here. The client system will be able to access the storage as if it was a local filesystem. GlusterFS is a clustered file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. Storage bricks can be made of any commodity hardware such as x86_64 servers with SATA-II RAID and Infiniband HBA.

Server Monitoring With Icinga On Ubuntu 11.10

Server Monitoring With Icinga On Ubuntu 11.10

Icinga is an enterprise grade open source monitoring system which keeps watch over networks and any conceivable network resource, notifies the user of errors and recoveries and generates performance data for reporting. It is a fork of Nagios. This tutorial explains how to install Icinga on an Ubuntu 11.10 server to monitor this server and another Ubuntu 11.10 server.

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