May 8, 2010
Plesk VPS Migration for plesk 9 series
Linux/Windows Support,Plesk,1. Upload migration agent and modules to the source server. For example for Parallels Plesk Panel, there are two folders:
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May 8, 2010
Does DNS use TCP or UDP or both?
Linux General,TCP is a connection-oriented protocol and it requires data to be consistent at the destination and UDP is connection-less protocol and doesn’t require data to be consistent or don’t need a connection to be established with host for consistency of data.
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May 8, 2010
PRTG Network Monitor
Network,PRTG Network Monitor runs 24/7 on a Windows-based machine within your network, recording network usage parameters. Recorded data is stored in a database for historic reports.
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May 7, 2010
Linux – Advanced Commands
Linux General,Show status of ethernet interface eth0: ethtool eth0 List addresses for interfaces: ip addr show (OR) ip a Set default gateway: ip route add default via 1.2.3.254
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May 7, 2010
Linux – Ethernet bonding
Linux General,Linux bond or team multiple network interfaces (NIC) into single interface We have two Dell servers that need setup with Intel Dual Gig NIC. My idea is to improve performance by pumping out more data from both NIC without using any other method.
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May 7, 2010
Linux – Tweaks
Linux General,A. This is a bash function. It gets called recursively (recursive function). This is most horrible code for any Unix / Linux box. It is often used by sys admin to test user processes limitations (Linux process limits can be configured via /etc/security/limits.conf and PAM).
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March 24, 2010
How to identify CPU resource problem?
Linux/Windows Support,vmstat command helps us to determine if a server is running short of CPU resources. First, let us determine the number of CPUs available Linux:
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March 16, 2010
Extract the contents of an RPM
Linux General,Using rpm2cpio command, the contents of an RPM package can be extracted without having to install the package. For source RPMs too this command can be used. This is illustrated with an example as follows, where we extract the contents of RPM, google-chrome-
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March 16, 2010
Nagios Installation and Configuration
Server Management,Required Packages Install the following packages on Ubuntu before continuing. Apache 2 PHP GCC compiler and development libraries
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March 16, 2010
Nagios – An Introduction
Server Management,What is Nagios? Nagios is a framework for setting up monitoring of hosts, services, and networks . What are the components of Nagios? nagios – the main server software and web scripts nagios-plugins – the common set of check scripts used to query services nagios-nrpe – Nagios Remote Plugin Executor nagios-nsca – Nagios Service Check…
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