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10.09.2012

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to logfiles, and it’s pretty simple to use: [laytonjb@test1 ~]$ logger "This is a test" ... [root@test1 ~]# tail -n 2 /var/log/messages Aug 22 15:54:47 test1 avahi-daemon[1398]: Invalid query packet. Aug 22 17

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Best practices for KVM on NUMA servers

20.05.2014

Home » Archive » 2014 » Issue 20: IPv6... »

Viewing Server Topology 01 # numactl --hardware available: 8 nodes (0-7) node 0 cpus: 0 1 2 3 4 5 6 7 8 9 node 0 size: 16373 MB node 0 free: 15837 MB node 1 cpus: 10 11 12 13 14 15 16 17 18 19 node 1

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Tuning I/O Patterns in C

31.07.2013

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, Fortran 90, and Python (2.x series). I’ll be running the examples on a single 64-bit system with CentOS 6.2 using the default GCC compilers, GCC and GFortran (4.4.6), as well as the default Python (2.6.6

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Getting started with AI

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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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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