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23%
OpenMP – Coding Habits and GPUs
13.06.2019
Home »  HPC  »  Articles  » 
your code with auto-vectorization (so you don’t have to vectorize by hand). Starting in OpenMP 4.0, the directive omp simd  was introduced. It basically gives a hint to the compiler to look for places
23%
High-Performance Python 3
19.09.2019
Home »  HPC  »  Articles  » 
 add_ufunc(x, y):     return x + y The decorator line defines the data types (i.e., int64  here) and the target for the decorator cuda . A simple test for the add_ufunc  Numba function is: a = np.array([1, 2, 3, 4]) b
23%
Processing streaming events with Apache Kafka
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Photo by Mark Decile on Unsplash
radically. Therefore, the software (in contrast to classical messaging systems) divides a logical topic into partitions, which it distributes to different machines (Figure 4), allowing individual topics
23%
Verifying your configuration
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
Lead Image © Kritiya Sumpun, 123RF.com
fixing. Goss provides additional resources to build tests covering almost every aspect of a modern running machine. You can browse through goss resources [3] [4] to discover all the tests
23%
Open source monitoring with Zabbix
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Vincentiu Solomon on Unsplash
Zabbix monitoring stack with: $ helm repo add zabbix-community https://github.com/zabbix-community/helm-zabbix $ helm install -n zabbix --create-namespace zabbix --set zabbix_image_tag: alpine-6.4-latest
23%
How to query sensors for helpful metrics
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by patricia serna on Unsplash
and :52), swap flux18 in the container name and directories for flux24, then change the two lines in the Docker template from docker.io/influxdb:1.8 to docker.io/influxdb:2.4. Because InfluxDB 2
23%
Security in the AWS cloud with GuardDuty
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © xcfoto, 123RF.com
Duty instance (or detector) is enabled [4]. Listing 1 Policy to Enable GuardDuty 01 { 02 "Version": "2012-10-17", 03 "Statement": [ 04 { 05 "Effect": "Allow", 06 "Action": [ 07
23%
Encrypting files
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Yoichi Shimizu, 123RF.com
and finish with some personal recommendations on using them. GPG To start, I'll look at probably the most popular encryption tool, GNU Privacy Guard (GPG) [4]. The tool has become popular because it's fast
23%
Managing Linux Memory
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © J.R. Bale, 123RF.com
, for example, can have up to 4TB of main memory [1]. Given these sizes, you might expect that storage-related bottlenecks no longer play a role, but the experience of users and manufacturers with such software
23%
Cloud security with AWS GuardDuty
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Amy Walters, 123RF.com
supports IP-based threat lists. Two of my favorites are Tor exit nodes [3] and Open Threat Exchange (OTX) community feeds from AlienVault [4], but you may find some others by just doing some research

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