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12%
Introduction to HDF5
22.02.2017
Home »  HPC  »  Articles  » 
options for improving I/O performance, focusing on using parallel I/O. One of those options is to use a high-level library that performs the I/O, which can take the pain away from writing code to perform
12%
Best practices when working with Docker images
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Ilse Orsel on Unsplash
cases the so-called multistage builds can help. To understand their usefulness, have a look at Listing 1, which contains a simple C command-line interface (CLI) application; when you compile it with GCC
12%
Container Apps
02.10.2017
Home »  Articles  » 
 
, strict , is the default; it locks things down and lets you insist that your snap is restricted in only accessing its own install space. Figure 1 shows how this is controlled (source
12%
Getting started with Prometheus
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Clay LeConey on Unsplash
). It then expects to find them in a specific format (Listing 1) that is either exposed natively by applications or through the use of side services, which Prometheus calls exporters . (See the "Our Name Is Exporters
12%
Command-line tools for the HPC administrator
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Vasyl Nesterov, 123RF.com
," has allowed for smaller binaries, less "skew" across binaries, and a reduction in memory usage, among other things. Users, myself included, tend to forget that when code compiles, we only see the size
12%
Employing DNS in network security
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Photo by Abbas Tehrani on Unsplash
alerts among themselves, overwhelming what are already overburdened security teams. However, the tool for achieving a unified, comprehensive view of your network already exists – the Domain Name System
12%
Automating deployments on Proxmox with OpenTofu and cloud-init
04.12.2024
Home »  Articles  » 
Lead Image © lightwise, 123RF.com
the downloaded image to it qm create 100 --name openbsd-master --memory 1024 --agent 1,type=isa --scsihw virtio-scsi-single --boot order='scsi0' --net0 virtio,bridge=vmbr0 --serial0 socket --vga serial0 qm set 100
12%
Monitor your nodes with collectl
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© nobeastsofierce, 123RF.com
you have collectl installed. You can see whether it is working by running the collectl command (Listing 1). If you see output, it is working correctly. To stop running collectl, just use Ctrl+C (^c
12%
A self-healing VM system
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © THISSATAN KOTIRAT , 123RF.com
datacenter: "{{ Vv_datacent }}" 19 folder: "{{ Vv_folder_1 }}" 20 state: absent 21 when: vm_facts.instance is defined 22 23 - name: Deploy VM from Template file 24 vmware_deploy_ovf: 25
12%
Set up subdomains with Apache and Nginx
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © Saniphoto, Fotolia.com
the desired host name directly after the GET request with a HOST specification (e.g., over Telnet on port 80, as in Listing 1). Listing 1 Virtual Host Output $ telnet www.wintermeyer.de 80 Trying

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