Attach ISO image stored in XenServer local storage

Citrix XenServer is powerful hypervisor that is based on Linux (Redhat/Centos/Fedora family) and competes with Vmware ESXi and offer wide range of virtualization features for data centers. In general you can do a bare-metal installation of XenServer to your hardware server and create multiple virtual machines (VMs) inside XenServer host. Obviously you’ll need to have the possibility to boot VM from DVD-Rom to start installation of, let’s say, Linux Mint. You […]

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Linux Mint Debian Update Pack 4 is out

The latest update of Linux Mint Debian has been rolled out today. Update pack 4 is applicable for all LMDE users and includes the following updates: Gnome 2 has been upgraded to Gnome Shell, kernel is now 3.2 version, Cinamon and Mate desktops are now available out of the box. In order to upgrade just use Update Manager that comes with Linux Mint Debian by default, you will see an […]

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Track Cisco BGP peers using Nagios

Few will deny that monitoring of Cisco devices is essential part of sysadmin’s job. I personally use Nagios to track states of BGP neighbors on Cisco routers so if one of peers goes down I’ll receive a phone call from Nagios. You may have redundant network topology but it still makes sense to know when peer goes offline, how often it happens and how fast failover router (if any) pick-ups […]

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Top Open Source IP Address Management Software

In this post you will find top open source software for IP address management (IPAM). If you are sysadmin at organization that holds pool of IP addresses and allocates its parts to clients then you must use IP address management tools to track used, reserved, allocated or free IP addresses. It usually prevents an overhead and allows to have clear picture of IP addresses resources usage within an organization on the […]

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Meet new design of LinuxScrew

A few days ago LinuxScrew website has moved to a new design and partially to a new hosting. It is still based on WordPress engine (I still think it’s the best platform for this class of websites). You are more than welcome to take a minute to look at new clean version of www.linuxscrew.com. If you find any bugs or something that you feel should look different – just let […]

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