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,...
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,...
In this post, we will see an interesting thing when we are not able to change the open files to unlimited in Linux. I. Error Message [root@ngelinux001 ~]# ulimit -n...
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...
Today we will see one of the most common issues with respect to samba where the share is not accessible. To troubleshoot this, we will see how to proceed step...
Suppose you have exported the NFS share from the server, however its not visible on the client. Hence to troubleshoot this, we need to check if the NFS port is...
Today we will look one of the most basic, however useful information regarding IBM AIX OS. To open a case with IBM, we need to provide them with AIX version...
Lets start with python programming and see how to ping a list of servers from a hosts file. First lets start with program. I. Program import os hostsfile=open("hosts", "r") lines=hostsfile.readlines()...
Today we will look how to get the service name listening to a particular port on Linux. The preferred and widely used command is netstat. With netstat, we can grep...
In this article, we will look how to check for open ports on a remote Linux server. The most commonly used commands for this purpose is telnet, nc, and nmap...
In this short article, we will look how to test a port on Linux on multiple hosts. This tip is very useful to test the port connectivity on a large...