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18%
Managing cluster software packages
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© victoroancea, 123RF.com
image. The RAM disk system can be created in hybrid mode, wherein some files are available via NFS, and it can run disk-less or disk-full. An example is Warewulf [3]. (A good description of Warewulf can
18%
Prepare, analyze, and visualize data with R
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Buchachon Petthanya, 123RF.com
) Call: lm(formula = Sessions ~ wday + month, data = datPrep[datPrep$isTrainData, ]) Residuals: Min 1Q Median 3Q Max -464.80 -61.88 -6.52 62.38 479.19 Coefficients
18%
Next-generation terminal UI tools
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Lucy Baldwin, 123RF.com
of terminal user interface (TUI) libraries, including Ncurses [3] and Newt [4]. Jeff Layton has previously graced these pages with a tutorial on how TUI tools are developed today [5], and yours truly followed
18%
Time-series-based monitoring with Prometheus
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © Juthamas Oonhawat, 123RF.com
such as containers. In native cloud environments, Prometheus [3], with its time series database approach, has therefore blossomed into an indispensable tool. The software is related to the Kubernetes [4] container
18%
Profiling Python code
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image ©-Yong Hian Lim, Fotolia.com
100783.0 1.3 27.6 vel[i,j] = vel[i,j] + 0.5*dt*( force[i,j] * rmass + acc[i,j] ) 142 # end for 143
18%
Kolab iRony with CalDAV and CardDAV support
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Pablo Hidalgo, 123RF.com
installation of Kolab 3.0 and later is a matter of one or two cups of coffee and does not impose too many requirements on the admin. The Kolab developers recommend a recent CentOS (preferably 6.4) as the basis ... Open standards and open source are requisite in Kolab groupware. The alpha release of version 3.1 hugely extended the number of compatible clients with the CalDAV and CardDAV protocols, making Kolab
18%
Security in the AWS cloud with GuardDuty
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © xcfoto, 123RF.com
backend "s3" { 07 region = "eu-west-1" 08 bucket = "chrisbinnie-terraformstate" 09 key = "guardduty.tfstate" 10 encrypt = true 11 } 12 } 13 14 resource "aws
18%
From debugging to exploiting
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Maksim Kabou, 123RF.com
168 (gdb) p j $3 = 144 (gdb) c Breakpoint 2, Calc_vacf () at MD.o.c:671 671 vacf[j-i]=0; (gdb) p &j $6 = (int *) 0xffffc168 (gdb) p j $7 = 144 On the other hand, when dealing with the ELF
18%
Automate CentOS and RHEL installation with PXE
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Michael Kempf, Fotolia.com
08 # Network information 09 network --device=bond0 --bondslaves=ens1f0,ens1f1 --bondopts=mode=802.3ad,miimon-100 --bootproto=dhcp --activate 10 network --hostname=server.cloud.internal 11 network
18%
New features in PHP 8
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Maxim Borovkov, 123RF.com
// ---- previously -------- 02 if ($user !== null) { 03 $a = $user->address; 04 05 if ($a !== null) { 06 $b = $user->getBirthday(); 07 08 if ($b !== null) { 09 $bday = $b->asString(); 10 } 11

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