Category: IT

Python script to search for certain mac address in Legacy Cisco enabled Campus LAN + Some History on my relationship with Network Automation

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Introduction Hello all. It’s been some time now that I have started learning about network automation/programming through the Cisco DevNet channel, learning about NetDevOps, CICD and all those magical notions, presented by various incredible people on the Cisco Devnet Team. Automation with Network Devices is not new to me. I have been experimenting for a…

Blog maintenance

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I was forced to update my blog and delete a few old posts as I am preparing to post some work related (IT) material in twitter pointing here.Most deleted posts concern old work interests and World of Warcraft links.The material to be posted will be about Nagios, Ansible, Python, and Automation in general.

Εγκατάσταση Nagios 4.1.0 σε Ubuntu Server 14.04.3 LTS με plugins, check_nrpe, check_esxi_hardware και nagiosgraph

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Σήμερα έπιασα ξανά το θέμα του upgrade σε Nagios 4 και έμαθα ότι στις 18/8 (χθες) βγήκε το Nagios 4.1.0 stable. Ξεκίνησα (μετά από δοκιμή για upgrade) ένα clean install στον ubunagios03 με εγκατάσταση από την αρχή του Ubuntu Server 14.04.3 LTS και nagios core 4.1.0 & nagios plugins v.2.1.1 Πρώτα ενεργοποίησα το χρήστη root…

Copy & Paste with vim

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These are the sources: http://stackoverflow.com/questions/4620672/copy-and-paste-content-from-one-file-to-another-file-in-vi  http://vim.wikia.com/wiki/Cut/copy_and_paste_using_visual_selection http://www.tech-recipes.com/rx/219/copy-and-paste-text-with-vi-or-vim/ Since you already know how to cut/yank text, here are a few ideas for pasting it back into another file: Edit the first file, yanking the text you want. Then open your second file from within vi (:e /path/to/other/file) and paste it Open both files together in a…

vim search and replace commands

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If you want to match something at the end of the line you need to use the $ character at the end of the string pattern. The following are taken from : http://www.linux.com/learn/tutorials/8255-vim-tips-the-basics-of-search-and-replace  Let’s start by looking at searches and doing search and replace operations within Vim. You can do a search in normal mode…

Ubuntu Server Network Configuration

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Here is a link for Ubuntu Server Network Configuration. The guide is valid for 12.04 version. https://help.ubuntu.com/12.04/serverguide/network-configuration.html Below are some important parts: Static IP Address Assignment To configure your system to use a static IP address assignment, add the static method to the inet address family statement for the appropriate interface in the file /etc/network/interfaces….

amd and hackintosh project

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Here are some links I have found about the hackintosh project. I am interested in installing that as dual boot in my pc. http://www.macbreaker.com/2012/01/look-at-state-of-amd-hackintoshing.html and some more: http://lifehacker.com/5672051/how-to-build-a-hackintosh-mac-and-install-os-x-in-eight-easy-steps http://www.hackintosh.com/ http://wiki.osx86project.org/wiki/index.php/Installation_Guides http://suhastech.com/how-to-amd-hackintosh-install-dual-boot-windows-7-and-mac-os-x-snow-leopard-10-6-6-or-10-6-7/ http://blog.nawcom.com/ http://www.macbreaker.com/2012/04/lion-legacy-kernel-finally-released.html http://www.macbreaker.com/2012/02/how-to-install-mac-os-x-snow-leopard-on.html http://tonymacx86.com/downloads.php http://www.macbreaker.com/2012/01/how-to-use-multibeast-comprehensive.html