Posts tagged ubuntu

2012-06-04 - Howto build deb package with Perl module (Lingua::Identify)

Lingua::Identify is Perl module used for text language identification - remember that language identification is not 100% accurate.

2011-01-31 - „What time is it?” Using rdate/ntpdate to set time on Linux server

Ntpdate sets the local date and time on your machine by polling the Network Time Protocol (NTP - RFC 1305) server given as the server arguments to determine the correct time.

2011-01-24 - Apache2 - create password protected directory

My friend requested article about password protected access to public directories using .htpasswd file. Configuration of this is quite simple.

2011-01-23 - Creating ASCII ART MOTD

MOTD or „Message of The Day” in most Unix systems is displayed after successful login, but before execution of user shell. MOTD is used to send a common message to all system users (after login), in a more efficient manner than sending them all an e-mail message. MOTD message is stored in /etc/motd file.

2011-03-20 - Securing Linux: few tips for good configuration of SSHD

Most people install sshd daemon using command apt-get install open-sshd, and then forgets about making it more secure. In this article I will point out few sshd options which you should have in your sshd config when going to production.

2011-03-20 - Arrays in PostgreSQL quick example

PostgreSQL allows columns of a table to be defined as variable-length multidimensional arrays. Arrays of any built-in or user-defined base type, enum type, or composite type can be created. Arrays are not supper efficient way of doing things, but they are sometimes handy.

2011-01-19 - Group and count files by type in Perl (using file magic numbers)

Using object oriented libraries with File::Find module is not so obvious like it should be. But there is a way to do it in simple way - use closures in Perl. Now you probably think, „stop the bla bla talk, and show me code!”, so here it is:

2011-01-15 - Putting website into maintenance mode

When you have dynamic website with loyal users you should provide at least decent support and service for them. One of things you have to do when working on startup is maintenance of service, adding new features and so on …. How to do it right?

2011-04-09 - How to manage and disable bash history

You can change Bash history behaviour changing environment variables. Here is simple reference about this settings.

2011-01-08 - Sending emails from Perl via SMTP server

Email inbox could be a good place to store many informations including logs from your services. Common usage of email may be sending notification about your service failures. Email systems are based on a store-and-forward model. Email servers accept, forward, deliver and store messages. So users don’t need be online simultaneously for exchange messages, online presence is only required for time that takes to send or receive messages. So when you send some message it will be delivered to recipient sooner or later.

2011-02-01 - NWCHem on Ubuntu Linux

This article has been written as instruction for my friend how to run NWChem.

2010-12-19 - Dock6 installation on Ubuntu Linux

DOCK addresses the problem of „docking” molecules to each other. In general, „docking” is the identification of the low-energy binding modes of a small molecule, or ligand, within the active site of a macromolecule, or receptor, whose structure is known.

2010-03-01 - Tip: Changing file names recursively from command line

Recently I’ve found very nice tool to change file names recursively, and fixing file names encoding.

2009-05-28 - Linux Kernel Phailure in Gnome

Cool, but please no comments.

2009-12-27 - 35 Google open-source projects that you probably don’t know

Currently list is longer than 35 projects, during change from Polish to English I have added one new project - and this is why title says 35 instead 34 ;). After updates there are even more! Sorry for your confusion.

2009-07-26 - Alternatives to Nautilus

Today Nautilus was so sluggish that I couldn’t stand that any more.

2009-12-24 - Microsoft LifeCAM NX-3000 on Linux and Skype

Microsoft LifeCAM NX-3000 is nice little web cam, which works on GNU Linux (this is strange).

2009-11-23 - Getch() function in Linux

Some long time ago I was searching for GetCh() implementation on Linux, and I’ve entered google new groups and found some good stuff. Today durning some cleanings on my system I’ve found saved html page with this, so i will paste it here (this blog is my notepad recenty). Post wost starting like this:

2009-07-18 - Making Ubuntu - Jaunty Gnome Environment a little more friendly for those who remember „old Gnome”

It’s not in Gnome Desktop distributed with Ubuntu.

2009-05-18 - solved: nautilus high cpu usage problem when opening directory

Dziś przy otwieraniu katalogu Nautilusem (menadżer plików dla Gnome) cała aplikacja zaczęła działać strasznie wolno i zjadać cały procesor, rozwiązaniem tego problemu w moim przypadku okazało się:

2009-11-17 - Some helpful Linux software

Some tools which could be helpful in network and system troubleshooting

2009-11-17 - Linux IMAP Mail Notifier

If you want be notified about new mail in Linux, only using IMAP protocol you should consider using mail-notification - it’s small application for Gnome, it looks like this:

2009-04-16 - Debian GNU/Linux - Kompilacja jądra

Będzie to artykuł z serii tych, lekkich łatwych i przyjemnych oraz tych które można znaleźć w sieci :), jednak powstanie - bo gdzieś na dysku miałem zapisane informacje, że coś takiego miałem napisać kiedyś.

2009-09-06 - VMD Package Builder for Ubuntu and Debian

Text above is copied from Official VMD Site

2009-12-03 - Ubuntu screen profiles in SUSE Linux

I like the look of screen application in Ubuntu, this feature is provided by screen-profiles package, which is not present in SUSE Linux (SLES 11).

2008-11-14 - Sun Java JRE/JDK 1.6u10 on Debian

Wszystko co robisz, robisz na własną odpowiedzialność - u mnie to zadziałało:

2008-11-14 - Intel 945 - Direct Rendering Howto

Na początek zainstalowałem parę pakietów:

2007-06-13 - GNU Screen - najczesciej uzywane opcje

Program screen jest jednym z najprostszych menadżerów okien (wg. wikipedii) pozwala dzielić jeden fizyczny terminal pomiędzy parę programów konsolowych, ale jego główną zaletą jest to że po schowaniu (detach) nasze programy działają wciąż tak samo jakbyśmy byli zalogowani w systemie.