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26.01.2025

Home » Archive » 2025 » Issue 85: Monit... »

Flow 2.9.2 and Keras 2.9.0. The TensorFlow version is a bit old; 2.16.1 is the latest as of this writing, but I already had it installed. My Keras is also a bit old. I think Keras 3.6 is the latest, and my

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New features in PHP 7.3

07.06.2019

Home » Archive » 2019 » Issue 51: Self-... »

, PHP programmers should now use the mb_ereg_ functions. When accessing ODBC and DB2 databases via the PDO_ODBC driver, the pdo_odbc.db2_instance_name setting is history. Expired Support for PHP 5.6

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How to configure and use jailed processes in FreeBSD

14.03.2013

Home » Archive » 2013 » Issue 13: IPv6... »

are available to let administrators manage jails on the host system [6]. Here's a brief look: jail [-i] [-l -u | -U ] : Starts a jail

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Linux filesystem performance tested

30.11.2025

Home » Archive » 2012 » Issue 10: Traff... »

: Transtech Lynx Calleo Application Server 2260 [1]: CPU/RAM: Intel Xeon E5-2643 (quad-core CPU, eight threads, 3.3GHz)/32GB RAM (DDR-3, 1600MHz, ECC) Controller: LSI Logic Mega RAID SAS 9261-8i PCIe x8, 512MB

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Asynchronous PostgreSQL

12.09.2013

Home » Archive » 2013 » Issue 16: Docker »

. There are some new lines: 5 and 12 to 22. Line 22 installs the sig function as a signal handler for SIGTERM. When the signal arrives, line 13 opens a new connection to the database and calls the pg

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Finding and recording memory errors

11.04.2016

Home » Archive » 2016 » Issue 32: Measu... »

hour. In a previous article [6], I wrote a general introduction to ECC memory, specifically about Linux and memory errors, and how to collect correctable and uncorrectable errors. In typical systems

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Keras: Getting Started with AI

03.12.2024

Home » HPC » Articles »

.9.0. The TensorFlow version is a bit old; 2.16.1 is the latest as of this writing, but I already had it installed. My Keras is also a bit old. I think Keras 3.6 is the latest, and my version isn't even 3.x. I haven

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Data Analysis with R and Python

17.02.2015

Home » Archive » 2015 » Issue 25: Safe... »

. Line 1 tells Apache to listen on port 8080; lines 2 to 8 handle the incoming HTTP requests. Lines 5 and 6 allow Python scripts to execute via the web server's CGI interface, assuming they reside

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System temperature as a dimension of performance

28.11.2022

Home » Archive » 2022 » Issue 72: OpenS... »

sensors available on an older MacBook Pro. Not all values discovered are temperatures. On Linux, my default choice for in-terminal monitoring TUI is glances [6], which I have examined previously

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Hybrid public/private cloud

30.01.2020

Home » Archive » 2020 » Issue 55: AWS L... »

a Linux VM with a self-encrypted volume (e.g., LUKS [6]) and not store the password on the server. With AWS, this does not work for system disks, but it does at least for data volumes. After starting the VM

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