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Author Archives: admin
Change data directory – PostgreSQL
Useful and common task, should be well documented. Let´s try it! Debian 7.4 x64, PostgreSQL 9.3.2
Posted in Databases, PostgreSQL
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Why am I using XFS?
I must admit I´m really conservative person in many ways. I´m using XFS almost from my linux beginnings, from 2001, when this file system was released for masses 🙂
Posted in Linux
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DB2 data sampling
Sometimes it would be very helpful to have a chance gather sample values. What if rownum limitation affects quality of records? What if the main table logic is residental in the middle of huge table? Welcome to data sampling world … Continue reading
Posted in Databases, DB2
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OpenSUSE 13.2, aria2 downloader
Universal (HTTP/HTTPS, FTP, BitTorrent and Metalink) downloader, allowing mixed source protocols in CLI – impossible? Welcome to Aria2 world 🙂 Very short intro, skipping whole documentation and showing friendly software usage.
Posted in Applications, Linux
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OpenSUSE 13.2, PostgreSQL installation (by zypper)
I love linux distributions alpha-releases. They are commonly more stable than any Windows family operating system + provides interesting new features sometimes. OpenSUSE 13.2 Milestone 0 was released 19.3.2014, providing btrfs as default file system, few minor changes and rolling- … Continue reading
Posted in Databases, PostgreSQL
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Solaris 11.1 (x86-64) installation in VirtualBox
As mentioned before, I hate dogmas. Very brief information leads to distorted judgments frequently. And it would be really pitty to say 1) Solaris needs SPARC for running and 2) Everything including install is really hard. Well, 2x no 🙂
Posted in Solaris
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PC-BSD 10.0.1 – review
With some unchanging facts – 1) I´m lazy, 2) I want many things working out-of-box on operating sytem levels – the world of BSD is a little bit closed to me 🙂 GhostBSD meets my requirements for many years and … Continue reading
Posted in Distributions, Linux
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RHEL 6.5 x64 with CentOS 6.5 repositories
Although it looks weird, there can be reasons why OS should be looking as RedHat and using on background CentOS software updates. Let´s simulate this *tricky* environment 🙂
Posted in Linux
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Basic calculations in Bash
Discussion about limits in Excel (15 decimal digits maximum) with my friend caused inspiration for writing few words about basic number magic within Bash command line.
Posted in Linux
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PostgreSQL 9.3 install-by-one-command (Debian 7.4 x64)
Laziness. Need for one-click solution (Windows). Need for one-command solution (*nix). OK! 🙂
Posted in Databases, PostgreSQL
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DB2 – column encryption
Column encryption is one of the oldest encryption method in this product, I think deprecated should be the right position in encryption level in these days. Anyway – it can be really handy to use it for storing sensitive data.
Posted in Databases, DB2
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How Firebird 3.0 alpha 2 stores data
5th part (Oracle, DB2, MySQL, PostgreSQL) of my series „How xxx stores data“ with an idea of insider (system administrator) who wants to be rich (selling valid credit card numbers). Firebird is excellent RDBM – nevermind it is not so … Continue reading
Posted in Databases, Firebird
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Firebird 3.0 alpha 2 installation (Debian 7.3 x64)
I like Firebird software very much, for many years. Development is not as fast as I would like – anyway it is still exceptional RDBM software. Now I´m focused on 3.0 alpha2 version in a linux environment.
Posted in Databases, Firebird
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How PostgreSQL stores data
4th part (Oracle, DB2, MySQL) of my series „How xxx stores data“ with an idea of insider (system administrator) who wants to be rich (selling valid credit card numbers) 🙂 PostgreSQL is excellent product. Let´s see if they are thinking … Continue reading
Posted in Databases, PostgreSQL
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PostgreSQL 9.3.2 installation (Debian 7.2 x64)
Binary way, ignoring repositories, is very favourite and can be reproduced in any other linux distribution…
Posted in Databases, PostgreSQL
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