List/Grid Networking Subscribe RSS feed of category Networking
NMAP command (How to check whether port is open or close)
NMAP command to check whether port is open or close Most of the time when there is a problem connecting to any specific port we use telnet command to verify,…
Linux kickstart installation
Linux kickstart Installation There are many installation methods available for Linux. If you want to install Linux on many servers, you may need to choose network installation method such as…
Check your Network device duplex setting on Solaris
Check your Network device duplex setting on Solaris how to check Ethernet port status on hme (10/100 Mbps) port: ndd -get /dev/hme link_status response 0: not connected 1: connected ndd…
How to change IP address on Linux
How to change IP address on Linux If you want to change the IP address temporarily, then you can use the following command. ifconfig eth0 address x.y.z.w To change the…
Linux performance monitoring tools
Linux performance monitoring tools Linux performance monitoring is very important for system administrators. Most of the time applications use more resources and it makes server to give slow response, and…
Analyzing Server Performance
Analyzing Linux Server Performance If there is an issue with server performance, you need to follow fundamental steps to approach the problem. Here are few fundamental steps: 1. CPU bottlenecks…
DNS Configuration Files
The DNS Configuration Files The DNS configurations files are very important and you have to very careful when you configure. Most of the applications use hostname/domainname instead of IP address….
Basic Linux troubleshooting tips
Troubleshooting tips. When there is a an issue/problem, there are many ways to troubleshoot. Some of the experienced administrator would tell the problem and solution right away, but it is…
Linux shortcuts commands
<strong>Linux shortcuts commands</strong> <Ctrl><Alt><F1> Switch to the first text terminal. Under Linux you can have several (6 in standard setup) terminals opened at the same time. <Ctrl><Alt><Fn> (n=1..6) Switch to…
Linux memory, Load average, uptime, page activity, context and disk status info
We normally use different commands to find out cpu usage, load average, uptime, disk activity, etc. It is basically take the information from /proc directory and display the information. We…