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26%
Profiling Python code
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image ©-Yong Hian Lim, Fotolia.com
without profiling). Listing 3 pprofile Output Command line: md_002.py Total duration: 1662.48s File: md_002.py File duration: 1661.74s (99.96%) Line #| Hits| Time| Time per hit
26%
US Department of Energy’s INCITE Seeks Proposals for 2019
18.04.2018
Home »  HPC  »  News  » 
 
The U.S. Department of Energy’s Innovative and Novel Computational Impact on Theory and Experiment program (INCITE) is seeking proposals for research projects that will run on the DOE’s ... US Department of Energy’s INCITE Seeks Proposals for 2019
26%
Linux Writecache
19.11.2019
Home »  HPC  »  Articles  » 
, ioengine=libaio, iodepth=32 fio-3.12 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=475MiB/s][w=122k IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=1634: Mon Oct 14 22:18:59 2019   write: IOPS=118k, BW=463MiB/s
26%
Monitoring network computers with the Icinga Nagios fork
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alterfalter, 123RF.com
active_checks_enabled 1 22 passive_checks_enabled 0 23 check_command check_ssh 24 max_check_attempts 3 25
25%
The practical benefits of network namespaces
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Morganimation, fotolia.com
-> ../../devices/pci0000:00/0000:00:03.0/net/eth0 |---lo -> ../../devices/virtual/net/lo The device is no longer listed in the default namespace. Listing 3 Configuring Devices $ ip link set eth1
25%
Monitoring NFS Storage with nfsiostat
12.03.2013
Home »  HPC  »  Articles  » 
is shown in Listing 1. Listing 1: Sample nfsiostat Output Linux 2.6.18-308.16.1.el5.centos.plus (home8) 02/10/2013 _i686_ (1 CPU) 02/10/2013 03:38:48 PM Filesystem: rMB_nor/s wMB_nor/s
25%
Greylisting with Postgrey
22.06.2012
Home »  Articles  » 
 
577600 6-16:26:40 40 608400 7-01:00:00 As you can see, it’s important to adjust your greylisting retry allowances depending on which mail server you use; otherwise, you
25%
Modern Fortran – Part 1
20.10.2016
Home »  HPC  »  Articles  » 
Fortran comprises a huge body of software in high-performance computing. We look at Fortran’s evolution into a modern HPC language. ... writing code. Columns 1 to 5 could be used for statement labels such as the following: ...       SUM = 0.0       D0 100 I=1,10          SUM = SUM + REAL(I)  100  CONTINUE ...       Y = X1 + X2 + X3 ... Fortran comprises a huge body of software in high-performance computing. We look at Fortran’s evolution into a modern HPC language.
25%
Uncovering SQL Injections
18.03.2013
Home »  Articles  » 
 
Hardly a day goes by without reports of hackers breaking into government, military, or enterprise servers. If you analyze the details of the hacker’s approach, you will see that, in 90 percent ... is a classic bug in a web application: an SQL injection vulnerability. SQL injection, which has been known for around 12 years, is still one of the hacker’s most popular tools. This article presents real ... Hardly a day goes by without reports of hackers breaking into government, military, or enterprise servers. If you analyze the details of the hacker’s approach, you will see that, in 90 percent
25%
Win-Win with Cygwin
23.01.2012
Home »  Articles  » 
 
Windows administrators: Expand your horizons and your opportunities with Unix commands via Cygwin. Use Cygwin’s extensive list of Unix utilities for scripts, maintenance, compatibility ... ://mirrors.xmission.com . Figure 3: Choosing an available Cygwin download site. Try to choose one that’s physically close to you or that you know has bandwidth to spare. Also, you can add a URL of your own if you have ... Windows administrators: Expand your horizons and your opportunities with Unix commands via Cygwin. Use Cygwin’s extensive list of Unix utilities for scripts, maintenance, compatibility

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