OpenICT's Blog

Bacula® – Network Backup Solution

openict — Sun, 13 Dec 2009 11:12:04 +0000

Bacula is a set of Open Source, enterprise ready, computer programs that permit you (or the system administrator) to manage backup, recovery, and verification of computer data across a network of computers of different kinds.

Faster Browsing In Linux With Local DNS Cache

openict — Sat, 12 Dec 2009 10:44:41 +0000

A local DNS cache can help for faster browsing since you’re caching the DNS request instead of attempting that request multiple times. The internet speed will not get any faster, but the browsing speed will improve, because on each website there are usually quite a few DNS requests for which the local DNS cache will be used, bringing the query time to almost 0.

DavMail POP/IMAP/SMTP/CalDav/LDAP Exchange Gateway

openict — Sat, 12 Dec 2009 07:49:20 +0000

Ever wanted to get rid of Outlook ? DavMail is a POP/IMAP/SMTP/Caldav/LDAP exchange gateway allowing users to use any mail/calendar client (e.g. Thunderbird with Lightning or Apple iCal) with an Exchange server, even from the internet or behind a firewall through Outlook Web Access. DavMail now includes an LDAP gateway to Exchange global address book to allow recipient address completion in mail compoze window and full calendar support with attendees free/busy display.

Asterisk vs OpenSIPS

openict — Fri, 11 Dec 2009 18:57:45 +0000

It’s certain that you have heard about the Asterisk IP-PBX project but it is possible that you have not heard about OpenSIPS. VOIP Today provides the readers with a comparison between Asterisk IP-PBX project and OpenSIPS platforms.

DRBD and MySQL – Low-cost HA Solution

openict — Fri, 11 Dec 2009 18:27:02 +0000

DRBD is a Linux project to provide a real-time distributed filesystem. Although it has some clustering support, it’s not really a true clustered filesystem like OCFS2 or GFS2. What it provides is a mirrored copy of a block device across a network.

eBox – Open source small business server

openict — Thu, 26 Nov 2009 20:22:02 +0000

Manage all your computer network services through one single platform. eBox is a Network Gateway, a Unified Threat Manager, an Office Server, an Infrastructure Manager, a Unified Communications Server or a combination of them.

Virtual Tape Library for Linux

openict — Fri, 20 Nov 2009 20:49:44 +0000

Virtual Tape Library consists of several components.

LLD – A low level driver implemented as a kernel module – mhvtl
Target devices – Daemons vtltape(1) and vtllibrary(1) which implement SCSI target device(s) in user-space
Utility commands mktape(1), vtlcmd(1)
And startup scripts build_library_config(1), make_vtl_devices(1)

What is OSFlash?

openict — Fri, 13 Nov 2009 19:14:47 +0000

OSFlash is a watering hole for open source Flash developers and users to meet, talk about and contribute to new and existing open source projects for the Flash Platform.

What is NILFS ?

openict — Sat, 07 Nov 2009 11:59:57 +0000

NILFS is a new implementation of a log-structured file system (LFS) supporting continuous snapshotting. In addition to versioning capability of the entire file system, users can even restore files mistakenly overwritten or destroyed just a few seconds ago. Since NILFS can keep consistency like conventional LFS, it achieves quick recovery after system crashes.

Sheepdog Project

openict — Wed, 04 Nov 2009 18:50:58 +0000

Sheepdog is a distributed storage system for KVM. It provides highly available block level storage volumes that can be attached to KVM virtual machines. Sheepdog supports advanced volume management features such as snapshot, cloning, and thin provisioning.

What is Amanda?

openict — Sat, 31 Oct 2009 19:13:01 +0000

AMANDA, the Advanced Maryland Automatic Network Disk Archiver, is a backup system that allows the administrator to set up a single master backup server to back up multiple hosts over network to tape drives/changers or disks or optical media.

XEN to KVM Migration

openict — Sat, 31 Oct 2009 18:31:42 +0000

I will describe a way to move a XEN domU virtual machine into a KVM virtual machine. Xen stores the machine as one partition in one file. KVM stores the machine as a whole disk.

Deltacloud – cloud management broker

openict — Fri, 30 Oct 2009 20:13:20 +0000

Start an instance on an internal cloud, then with the same code start another on EC2 or Rackspace. Deltacloud protects your apps from cloud API changes and incompatibilities, so you can concentrate on managing cloud instances the way you want.

UCSniff Overview

openict — Fri, 30 Oct 2009 20:03:04 +0000

UCSniff is a VoIP & IP Video Security Assessment tool that integrates existing open source software into several useful features, allowing VoIP and IP Video owners and security professionals to rapidly test for the threat of unauthorized VoIP and Video Eavesdropping.

Linux Server Hardening Security Tips

openict — Fri, 30 Oct 2009 19:12:23 +0000

Securing your Linux server is important to protect your data, intellectual property, and time, from the hands of crackers (hackers). The system administrator is responsible for security Linux box. In this first part of a Linux server security series, I will provide 20 hardening tips for default installation of Linux system.