March 2008
NagVis
by lecyborg & 2 othersNagVis is a visualization addon for the well known network managment system Nagios.
NagVis can be used to visualize Nagios Data, e.g. to display IT processes like a mail system or a network infrastructure.
Key features are:
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Display of single Hosts and Services
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Visualize a complete Host- oder Servicegroup with one icon
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Display the state of a Host dependent on the state of its services (“recognize services”)
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Display only the real problems (“only_hard_states”)
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Define Sub-Map icons wich represent a complete NagVis Map of Hosts/Services/Groups in one icon (drill down)
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Visualization/Documentation of complete IT Processes and Infrastructures using self drawn graphics
February 2008
How-To: Monitoring a Server with Munin
by lecyborgMunin is a simple to configure tool that make real nice graph about your server status. It can actually deal with almost any aspect of your server (load average, network cards status, CPU usage, memory usage, postfix, exim4, mysql ...) without spending much time in configuring it.
Munin produce MRTG likes graph so you can easily see how your server health is going.
January 2008
DNSstuff: DNS tools, DNS hosting tests, WHOIS, traceroute, ping, and other network and domain name tools.
by lecyborgDNSreport - What is it?
This test provides comprehensive information (56 tests, to be exact) about the specified domain that may verify DNS 'health' or identify problems or issues.
December 2007
Making Linux a First Class Citizen in Active Directory
by lecyborg# Joins Linux systems to Active Directory domains in a single step from the command line or from a GUI
# Authenticates users with a single user name and password on both Windows and Linux systems
# Enforces the same password policies for Linux users as for Windows users
# Support for multiple forests with one-way and two-way cross forest trusts
# Single sign-on for SSH and Putty
# Single UID automatically assigned
# Credential caching in the event of temporary loss of connectivity to the Active Directory Domain Controller
# No Active Directory schema changes involved
# Most recent Linux distributions supported
Automatic_Bridge_Ubuntu - VirtualBox
by lecyborgThis is a quick tutorial on how to setup your Linux environment and VirtualBox, so that it can automatically create network interfaces and put them in bridge when the VM is launched.
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(5 marks)