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  • Better unix life: mass replace and xargs

    calendar Jun 7, 2007 路 1 min read
     blog-objectsrootcom en evergreen  路 api perl unix
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    Better unix life: mass replace and xargs

    Use the sed -i command

    sed -i.BAK 's|foo|bar|g' files # -i does in-place replacement
    perl -pi.bak -e 's|foo|bar|g' files                # or
    perl -pi.bak -e 's|foo|bar|g' `find /pathname -name "filespec"`

    Perl is the preferred way, but on some production system you must use the old good sed. For some tips on sed take a look to its faq. Another very powerful command is xargs. Xargs is a rapid聽 way to process files containing spaces, using聽 a聽 combo with find:


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  • better unix life2

    calendar Jul 31, 2007 路 1 min read
     blog-objectsrootcom en knowledgebase  路 unix
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    better unix life2

    If you need to work on cluster, is nice to have syncronized terminals to send the same commands in parallel.


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  • Dynamic languages troubles

    calendar Jan 30, 2008 路 3 min read
     blog-objectsrootcom en software  路 again ant api arc build business car code complex database design easy eclipse example fix hard hosting http ibm import java lion microsoft perl php plugin project projects python ruby simple small smalltalk sql system tools trouble ui unix war web world
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    Dynamic languages troubles

    I have read http://www.manageability.org/blog/stuff/chandler-failure and I think it is very danger way of exposing concepts.


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  • A very good hosting provider

    calendar Mar 3, 2009 路 1 min read
     en featured software  路 gioorgi hosting internet java linux php unix web
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    A very good hosting provider

    After my past experience with bad hosting provider, I am happy to say I have find a very good hosting service. If you need VPS hosting, Rimuhosting is a very good choice.


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  • Java HttpClient and Load Balancer bad interactions

    calendar May 21, 2009 路 2 min read
     en knowledgebase software  路 apache bug complex http java performance system unix web
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    Java HttpClient and Load Balancer bad interactions

    Working for a very big customer, I found a very nasty interaction between Sun HttpClient (JDK 1.4) and Http聽 Load Balancers.


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  • quicklook - Project Hosting on Google Code

    calendar Sep 12, 2009 路 1 min read
     knowledgebase  路 unix
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      quicklook -    Project Hosting on Google Code
    Quick Look is a package to collect system statistics and output pretty graphics and (X)HTML pages. It allows system administrators to have a quick look on the status of their systems, without going for a more advanced (and heavier) solution.

    Quick Look currently shows…


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  • Dos to unix in emacs

    calendar Mar 23, 2010 路 1 min read
     en knowledgebase  路 emacs unix
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    Dos to unix in emacs

    To convert an Emacs buffer from DOS line endings to Unix, type C-x [ENTER] f unix [ENTER].


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  • Fare il cloud da zero: cloudStorm

    calendar Aug 9, 2010 路 3 min read
     featured it knowledgebase software  路 cloud-computing linux unix
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    Fare il cloud da zero: cloudStorm

    A Gioorgi.com ci siamo gi脿 occupati di argomenti prettamente sistemistici come la virtualizzazione di ambienti Unix. Visto il successo del Cloud Computing, abbiamo pensato di tornare sull’argomento.

    In questo articolo mostrer貌 come creare insieme di macchine configurate in modo omogeno, con il minor effort sistemistico possibile. Si tratta di un primo esercizio molto semplice.

    Seguiteci…


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  • Bash secret powers

    calendar May 14, 2014 路 3 min read
     en  路 bash file python scripting unix
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    Bash scripting has evolved a lot in the last ten years.

    I get used to relay on bash for all normal “data domination” tasks (like file system refactorings, database extraction and reporting and so on) and switching to python/ruby/perl when the complexity gets bigger. I didn’t imagine bash is even more powerful :) This article by Robert Muth so you new nice tricks: I聽 add here some other like mapfile and stress the most important one.

    Update 2016 Last but not least,if you do now know about bash history, this link will teach you a huge set of tricks Updated 2019 Bash Bible will further extend the topic.


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  • Debian perfect work environment

    calendar Sep 28, 2014 路 3 min read
     en featured software unix-featured  路 ibm linux oracle unix virtualization
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    Debian perfect work environment

    Working in a big company, my work laptop came with MS-Windows7 Enterprise installed. But as you imagine, Unix is my preferred desktop environment. So let’s how to configure a perfect Debian Linux for a old wolf consultant like me. You will be able to install commercial software mubmo jumbo like Oracle Express and IBM Websphere in a snap, and have a 64 rock solid system, easy to bring in a USB stick if you like.


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Giovanni Giorgi

Master Solution Architect, father and free spirit.
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    Last updated:2025-05-27 02:00
    Giovanni Giorgi

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