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Linux: remove unwanted services from the system start-up

July 7, 2010

Default there are lots of services and programs which are starting to work while system start-up. It’s time to disable these unwanted.




Listening Network Ports

July 1, 2010

Two simple… but so useful commands for all kind of linux/unix servers administrators.




Apt-get package management in ubuntu

June 9, 2010

Everyone (each ubuntu user) knows how to install new package, search a package or remove one. However not everyone knows how to do something else.


Linux server & security: SELinux

May 21, 2010

How to secure your server against burglary? By installing and turning on the right software. SELinux is one of these software.


Publish post on Facebook Page wall as a Page (not a user) (python + Facebook REST API)

February 23, 2010

After long days (or even weeks) of fighting with this issue… today I can be proud of myself. At last… I did it and it works! I can publish new posts on Facebook Page wall as a Page, not as a user (admin of that page).


SQLAlchemy: Dependency rule tried to blank-out primary key column…

February 21, 2010

While I was working on some project (pylons + sqlalchemy), I had an error: “ERROR [project.controllers.blog] Dependency rule tried to blank-out primary key column ‘BLOG_TAG_2_ENTRY.id_blog_entry’ on instance”. How to fix it?


Some of the buttons in eclipse don’t work

January 29, 2010

Some time ago I realized that some of the buttons in my eclipse don’t work. I mean that I can’t press it by clicking, but I can press it using keyboard. To fix it… I had to create new file.


Get number of your subscribers from Feedburner

January 27, 2010

While we already know how to create script for getting number of followers from twitter – now it’s the best time for getting number of subscribers from feedburner. Everything will be done in python (django).


Build firewall on server (ubuntu)

January 25, 2010

I would like to secure my VPS. That’s why I had to find some more informations about firewalls. The most interesting idea… “firewall” via iptales. However managing iptables is a litlle bit complicated, so I decided to use UFW.


“Starting nginx: Enter PEM pass phrase:” – not any more

December 18, 2009

We generated new ssl key. This time it’s from Gigaone. I added it to site’s config file and after restart of nginx I have a message: “Starting nginx: Enter PEM pass phrase:”. Everything is fine, however I don’t want to fill my password after each restart of nginx. Time to do something with it.


Karol Zielinski :: Just a tech stuff Hello, I'm Karol Zielinski, internet evangelist, an entrepreneur, project manager and a web developer from Gdynia, Poland. I like creative design, good advertisement, social media and all kind of stuff around the web.

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