Category: Linux

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Linux set environment variables

I will show you how to update your PATH variable on Linux machine so it can always find the node and npm. export NPM_HOME=/FOO/npm/node-v0.12.5-linux-x64/bin export PATH=$PATH:$NPM_HOME You do not need to update your PATH...

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su: Authentication Failure

Instead of su use sudo to become root : >sudo -i root account is disabled by default in Ubuntu, so there is no root password associated with it. Use the exit command to logout...

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A telnet to a server

telnet <ip-address> <port-number> telnet <name-of-the-server> <port-number> Most of the time people check connectivity via ping <ip-address> But ping command listens on other ports than you expect. Hence, you might get response back from server...

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Error: listen eacces

Did you try running your application on port# < 1024 and faced the following error? Error: listen EACCES It means you do not have enough permission to listen on port# < 1024. If you...