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37%
New in PostgreSQL 9.3
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Nuno Andre, 123RF.com
---------------------------------------------------------------------------------------------------- 20 Seq Scan on mail (cost=0.00..5628.25 rows=4 width=961) (actual 21 time=2.401..1519.809 rows=672 loops=1) 22 Filter: (msg ~ '(updatable|views)'::text) 23 Rows Removed by Filter: 40148 24
37%
Warewulf Cluster Manager – Administration and Monitoring
21.08.2012
Home »  HPC  »  Articles  » 
just two nodes: test1, which is the master node, and n0001, which is the first compute node): [laytonjb@test1 ~]$ pdsh -w test1,n0001 uptime test1: 18:57:17 up 2:40, 5 users, load average: 0.00, 0.00
37%
Machine learning and security
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Vlad Kochelaevskiy, 123RF.com
of their toolkits. For example, you can install and use Splunk Enterprise and its Machine Learning Toolkit (Figure 6) with a trial license for up to 60 days and index up to 500MB of data per day. The software
37%
File Compression for HPC
10.11.2021
Home »  HPC  »  Articles  » 
 package-list.txt Output filename is: package-list.txt.lrz package-list.txt - Compression Ratio: 2.604. Average Compression Speed:  0.000MB/s. Total time: 00:00:00.04 By default, lrzip does not overwrite the original file
37%
Bringing old hardware back into the game
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Lucy Baldwin, 123RF.com
and doubles the cache size (from 3 to 6MB), in exchange for a small drop in baseline clock speed – 2.3 to 2.2GHz (peak drops from 3.2 to 3.1GHz). Major Surgery Legend has it that no one has ever opened
37%
Moving HPC to the Cloud
19.10.2012
Home »  HPC  »  Articles  » 
consisting of 80 cores with 4GB of RAM per core with basic storage of 500GB. POD pricing is based on cores/hour and would work out to be US$ 6,098.00/month or US$ 0.101/core·hour. A large example of 256 cores
36%
VAX emulation with OpenVMS
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Ole Houen, 123RF
downloaded the approximately 3MB ZIP file, create a folder before you unpack, because the archive does not contain one. If you simply unzip, all the files and directories end up in the current directory
36%
Comparing Ceph and GlusterFS
21.04.2015
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © agencyby, 123RF.com
-r--r-- 2 root root 6 3. Feb 18:36 .glusterfs/0d/19/0d19fa3e-5413-4f6e-abfa-1f344b687ba7 # # ls -alid dir1 .glusterfs/fe/9d/fe9d750b-c0e3-42ba-b2cb-22ff8de3edf0 .glusterfs /00/00
35%
How to configure and use jailed processes in FreeBSD
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Corina Rosu, 123RF.com
(pr->pr_path), 0); 17 [...] 18 error = copyinstr(j.hostname, 19 &pr->pr_host, sizeof(pr->pr_host), 0); 20 [...] 21 pr->pr_ip = j.ip_number; 22 pr->pr_linux = NULL; 23 pr->pr_securelevel = securelevel
35%
Prepare, analyze, and visualize data with R
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Buchachon Petthanya, 123RF.com
: Estimate Std. Error t value Pr(>|t|) (Intercept) 517.340 18.270 28.316 < 2e-16 *** wdayThursday -31.046 16.119 -1.926 0.0545 . wdayFriday -116.981 16.122 -7.256 1.08e-12 *** wday

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