How to check open ports in Linux using nc, telnet and curl command ?
Today in this post, we will see how to check for open port in Linux using telnet and curl commands. I. Using Telnet command Telnet command is very common,...
Tag: number
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How to check for open port in Linux on multiple servers together ?
Suppose you have a list of servers, and you want to check for a particular port on which server its open. So if you telnet each server on that port...
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How to set maximum user processes in Linux ?
In this post, we will look how to set maximum user processes in linux. I. Check current process limit. user@server02:~> ulimit -a core file size (blocks, -c) unlimited data seg...
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How to print a sequence of 100 numbers using shell script or bash shell while loop ?
Today lets see quickly how to print a sequence of 100 numbers using while loop in bash shell on Linux. Printing sequence of 100 numbers a. Empty the file. [root@ngelinux001...
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How to see serial number in IBM AIX OS ?
Today we will look at a small yet very useful command of IBM AIX OS. Do you know how to see the serial number of an IBM AIX OS ?...
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How to check which process is using a port in AIX ?
Today we will look how to get the process details which is using a particular socket or port in AIX. 1. Get the port number socket details. ngeaix091--> netstat -Aan|...
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What is entropy pool in linux and how to generate and see the entropy pool data ?
I. Introduction Entropy pool is a large number (typically around 4096 bits) stored in a memory location which can be read by programs. This large number is a random number...
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How to create functions in python: Get square of a number.
Lets look how to create functions in python. For example:- We will create two functions: 1. To say “Hello World” to the world. 2. To square a number and get...
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How to get maximum of 3 numbers : Usage of if elif and else in Python.
Today we will look at a sample program or python script to get maximum number out of a set of numbers say 3. Lets have a look at the program....