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38%
Asynchronous PostgreSQL
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Fesus Robert, 123RF.com
, it also stops the CGI program. For this purpose, it first sends a SIGTERM signal to the program. If that does not help, this is followed a few seconds later by a SIGKILL. This approach is simple but has
38%
Parallel Versions of Familiar Serial Tools
28.08.2013
Home »  HPC  »  Articles  » 
: % mcp -r /home/laytonjb/data1 /data/laytonjb/project1/data1 This example does a recursive copy from one directory to another. The number of cores is determined by an environment variable, sometimes named
38%
Transport Encryption with DANE and DNSSEC
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © nerhuz, 123RF.com
Communication needs privacy. It forms the basis for confidential and binding exchange. A typical email does not offer any privacy as it passes through the network in cleartext. Anyone who reads
38%
Cloud-native storage for Kubernetes with Rook
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © efks, 123RF.com
on the other. How does this work in practice? Simpler Start The basic requirement before you can try Rook is a running Kubernetes cluster. Rook does not place particularly high demands on the cluster
38%
Hardware suitable for cloud environments
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © Orlando Rosu, 123RF.com
network (EVPN) are used, debugging must always be able to cover the different layers of the cake. The classic network admin who debugs the switches from the comfort of a quiet office does not exist
38%
Best practices for secure script programming
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Photo by Jorge Fernández Salas on Unsplash
, it contained the following line: rm -rf "$STEAMROOT/"* This command, which is responsible for deleting the $STEAMROOT directory, gets into trouble if the environment variable is not set. Bash does not throw
38%
Automate macOS 12 with the Shortcuts app
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Lead Image © Kirsty Pargeter, 123RF.com
into the Shortcuts app [2]. Unfortunately, this method does not always work. In our lab, Shortcuts did not want to adopt a simple workflow that renamed and enumerated files and, for want of a meaningful error message
38%
Containers made simple
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Nathan Cima on Unsplash
the Portainer hood: Is it really the panacea for administrators who need to deliver containers quickly? What are the differences between the available Portainer editions? How easy is the setup? How much does
38%
Hyper-V containers with Windows Server 2016
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © scyther5, 123RF.com
. Conversely, it can also happen that a program does not benefit from suddenly having more RAM available. For example, Exchange only checks when starting its services to see how much memory is available
38%
Four solutions for Prometheus long-term storage
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Lead Image © sidewaypics, 123RF.com
). The sidecar sends the data to an object store, typically a Simple Storage Service (S3). Of course, this does not have to be the real Amazon S3; a local replica based on, say, MinIO or RADOS Gateway will work

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