Question: How do I install and configure EMC Powerpath software on Linux environment? Answer: Before you start EMC powerpath installation and configuration, make sure HBA cards are installed on the server and Fiber channel switches are zoned properly. 1. Install EMC Powerpath on Linux Download the Powerpath software from EMC powerlink website. If you’ve purchased [...]
Linux
Question: I would like to understand the basics of how to write and execute a python program on Linux OS. Can you explain it with a simple example? Answer: In this article, let us review very quickly how to write a basic Hello World python program and execute *.py program on Linux or Unix OS. [...]
In the previous article we reviewed how to backup local unix host using rsnapshot utility. In this article, let us review how to backup remote Linux host using this utility. 1. Setup Key Based Authentication As we’ve explained earlier setup the key based authentication as explained either in ssh-keygen and ssh-copy-id article or openSSH article. [...]
Let us review how to print file lines using address and patterns in this first part of sed tutorial. We’ll be posting several awesome sed tutorials with examples in the upcoming weeks. Unix Sed Introduction sed is a “non-interactive” stream-oriented editor. Since its an “non-interactive” it can be used to automate editing if desired. The [...]
Typically you may open multiple terminals to view tail -f of multiple files as we explained in our previous 10 examples to view unix log files. For example, if you want to view Apache error_log and access_log at the same time you may do the following in two different terminals. On one terminal: $ tail [...]
Question: I would like to understand the basics of how to write, compile and execute a C program on Linux OS. Can you explain it with a simple example? Answer: In this article, let us review very quickly how to write a basic Hello World C program and how to compile *.c program on Linux [...]
Question: I’m getting the following error message in my Vim editor. How do I fix this issue? E319: Sorry, the command is not available in this version: filetype plugin on Answer: For the impatient, here is the quick answer. If you like to understand details on how to install this package, read further. Problem: Vim [...]
As part of the contest we conducted recently, we got 130 comments from the geeky readers who choose their favorite system monitoring tools. Based on this data, the top spot goes to.. drum roll please.. Nagios If you are new to any of the top 5 tools mentioned here, please read the rest of the [...]