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Self-hosted Pritunl VPN server with MFA
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Lead Image © Darko Novakovic, fotolia.com
to the VPN. Once connected to the VPN, the end user will be able to see the length of time they have been connected, their VPN client address, and other information (Figure 12). At this stage, the VPN
10%
PostgreSQL 9.3
04.02.2014
Home »  Articles  » 
 
 Recheck: 978 11    ->  Bitmap Index Scan on mail_msg_idx  (cost=0.00..128.03 rows=4 width=0) 12    (actual time=34.925..34.925 rows=1650 loops=1) 13          Index Cond: (msg ~ '(updatable|views)'::text) 14
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Logging with systemd
18.02.2014
Home »  Articles  » 
are only interested in services, you can restrict the output accordingly with --type=service . All told, systemd currently provides 12 different unit types. However, how do you know which fields belong
10%
What's New at OpenMP
30.01.2013
Home »  HPC  »  Articles  » 
to the project, promises “significant enhancements to parallelism.” We checked in with Wong and van Waveren at the recent SC12 supercomputing conference in Salt Lake City, Utah, USA, for an update on the new Open
10%
Converting filesystems with Fstransform
24.09.2012
Home »  Articles  » 
 
As a fairly young tool, Fstransform has not yet found its way into the distributions. For example, Canonical will not be adding it to its repositories until Ubuntu 12.10. At the moment, you have no alternative
10%
A Substitute for cron
18.03.2013
Home »  Articles  » 
 
the matching compiler and a few packages. You can install these with the following command, for example, on Ubuntu 12.10: sudo apt-get install ocaml ocaml-findlib libcalendar-ocaml libcalendar-ocaml-dev camlp4
10%
Moore's Law Continues its Unwavering March
09.10.2013
Home »  HPC  »  Articles  » 
is effectively designed like a supercomputer, with a host-side, dual-core Zynq-7010 ARM A9 CPU running Ubuntu 12.04, flanked by a 16-core Epiphany accelerator running at 700MHz. Priced at US$ 99, as opposed
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Parallel Programming with OpenCL
04.11.2011
Home »  HPC  »  Articles  » 
 width; 09     uint height; 10     float *data; 11 } convolutionKernel; 12  13  14 /** 15  * Clamp value to limits of uchar. 16  */ 17 uchar clampuchar(int value) 18 { 19   return (uchar) std
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RAM Revealed
26.04.2012
Home »  Articles  » 
 
, operating voltage drops from 2.5V for DDR1 to 1.8V for DDR2, and 1.5V for DDR3. DDR3L (1.35V) and DDR3U (1.25V) are two further reductions before DDR4 drops to 1.2V. Continuous miniaturization of the chip
10%
File Compression for HPC
10.11.2021
Home »  HPC  »  Articles  » 
the extension .lz4 to the compressed file, indicating the method of compression. lz4 has 12 compression levels (1 -12 ). For maximum compression, use: $ lz4 -12 file.data You can also enable ultrafast

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