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10%
Logical Bombs for Fun and Benchmarking
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
of processes. A fork bomb [6] spawns so many processes so quickly that it often results in a denial-of-service attack against the machine it is running on. Once a fork bomb has been launched, it might actually
10%
Programming with OpenMP
07.11.2011
Home »  HPC  »  Articles  » 
directives, meaning that the source code can still be complied as serial code: $ gcc ‑Wall test.c test.c: In function 'main': test.c:12: warning: ignoring #pragma omp parallel OpenMP-specific code can also
10%
Gatling load-testing tool
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Photo by NoWah Bartscher on Unsplash
class BlazeDemoV1 extends Simulation { 08 09 var qualifiedhost = "http://blazedemo.com" 10 var proxyport = 0 11 var proxyhost = "not set" 12 13 // headers for HTTP call 14 val headers = Map( 15
10%
Keeping Docker containers safe
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Irina Tischenko, 123RF.com
of around 250MB to Amazon's S3 storage very effectively. A number of successful container technologies have been used extensively in the past, including LXC, Solaris Zones, and FreeBSD jails, to name
10%
Sharing Data with SSHFS
23.04.2014
Home »  HPC  »  Articles  » 
is included in the kernel or as a module. Many distributions already come with FUSE prebuilt. On my CentOS 6.5 desktop, I can check the modules associated with the running kernel (FUSE is usually built
10%
Julia: Fast as Fortran, easy as Python
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Andrey Suslov, 123RF.com
Julia julia> 1//2 + 1//3 5//6 julia> numerator(10//12) 5 julia> 2//3 == 4//6 true julia> 2//3 == 4/6 false After strings and the various types of numbers, the most important built-in data type
10%
Backup and restore disks
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Photo by Omar Flores on Unsplash
connected to the computer. You can pick up the 64-bit version of Rescuezilla as a 755MB ISO image from the project's website. If you want to back up older computers with an x86 architecture, use the 32-bit
10%
OpenVPN with e-tokens in large-scale environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© sTan, fotolia.com
for small and medium-sized setups in the form of Easy RSA, and this tool is fine for test purposes. Admins who need larger PKIs can turn to tools like OpenCA [6] or outsource the task to a service provider
10%
Cron alternatives fcron and hcron
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © stillfx, 123RF.com
Time Under fcron Field Value Minute  -59 Hour  -23 Day 1-31 Month 1-12 Weekday  -7, where   = 7 = Sunday
10%
Server update with Azure Update Management
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Pablo Heimplatz on Unsplash
systems include CentOS 6/7, RHEL 7/7, SUSE starting at version 12, and Ubuntu starting at version 14.04. However, you cannot update Windows 7, 8.1, or 10 with the solution. Microsoft recommends Endpoint

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