2 ways to block ping requests

First option: # echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all Rollback: # echo 0 > /proc/sys/net/ipv4/icmp_echo_ignore_all   Second option: # firewall-cmd –permanent –add-icmp-block=echo-request # firewall-cmd –reload Rollback: # firewall-cmd –permanent –remove-icmp-block=echo-request # firewall-cmd –reload Advertisements

first book is finito

Just finished reading my first python book in my way to master the language. The book was “Learn Python 3 the Hard Way“, written by Zed A. Shaw. This book is a very practical one, and it really forces you to learn in each and every chapter, but only if you follow author’s instructions, and […]

python – a new beginning

I keep coming back to Python programming, there is something like a magic call that keeps pulling me to dive into this (hello) world. I compare it with surfing, because I tried so many times, and I am able to stand up and catch some waves but I never keep up with it, I never […]

programming in scratch

I have finished and interesting and entertaining course. Scratch is a programming language designed by MIT for children between 8 and 16 years old, but actually I found it fun and useful for anyone who wants to start learning the basics of programming. It is also very fun for kids to do it along with […]

learning python for free

I just wanted to share three good web sites where you can start learning python: codecademy – a sequence of exercises where you can learn the programming language basics checkio – a game like web site, where you progress as you solve given exercises (accomplish missions) learn python the hard way – slow-paced programming language […]

xubuntu on Acer Aspire 5315 – overheating issue

I installed xubuntu on Acer Aspire 5315, and after ten minutes using the system it just powered off without notice. Sniffing the air I noticed a bit of a toast smell, yes, the laptop overheated, the fan was not working properly. The bios version was v1.33 and there is an update available, v1.45, that would solve […]