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…
Ansible Playbook for upgrading Ubuntu based Nagios Server to latest version
Use Ansible to upgrade your Nagios Server
Blog maintenance
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
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…
Ubuntu Server Network Configuration
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
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
Free alternative for backing up VMs
Take a look at this: http://serverfault.com/questions/52327/copy-vmware-vmdk-files-while-vm-is-running http://sanbarrow.com/vmdk-basics.html http://computer-forensics.sans.org/blog/2010/09/28/digital-forensics-copy-vmdk-vmware-virtual-environment/
Reverse proxy links
http://httpd.apache.org/docs/2.0/mod/mod_proxy.html http://www.apachetutor.org/admin/reverseproxies LoadModule proxy_module /usr/lib/apache2/modules/mod_proxy.so LoadModule proxy_http_module /usr/lib/apache2/modules/mod_proxy_http.so ProxyRequests Off “” Order deny,allow Allow from all ProxyPass /foo http://ftp.ntua.gr/pub/linux/centos ProxyPassReverse /foo http://ftp.ntua.gr/pub/linux/centos
Nagios: Access to windows event logs
http://www.steveshipway.org/software/f_nagios.html This a nagios event log agent for windows. Also a few links to other nagios tools. To be checked for compatibility with nagios 3.x. The same guy has writen a book for using mrtg with rrd and routers2. Him and Toebi Oetiker provide links to eachother websites. Also a few more links: http://exchange.nagios.org/directory/Plugins/Uncategorized/Operating-Systems/Windows-NRPE/Eventlog-Checker-%252D-dotNET-Based/details http://www.steveshipway.org/forum/viewtopic.php?f=22&t=404…
use proxy with nagios check_http
The following is an attempt to answer the following question: I want to check if a website is up through nagios check_http command. How does it work especially if you want to go through proxy authentication. The basic authentication for the check_http command is resolved using the -a parameter with user:password and the basic proxy…