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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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Tuning I/O Patterns in C

31.07.2013

Home » HPC » Articles »

, 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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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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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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SmartOS: Cool Cloud Platform Rises from the Ashes of Solaris

10.06.2014

Home » Articles »

"ram": 2048, 07 "resolvers": ["192.168.111.254"], 08 "disks": [ 09 { 10 "image_uuid": "1fc068b0-13b0-11e2-9f4e-2f3f6a96d9bc", 11 "boot": true, 12 "model": "virtio" 13 } 14

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