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20%
Obtain certificates with acme.sh
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Lead Image © Stuart Miles, 123RF.com
protocol from the outset and are therefore documented in RFC8555 [2]; the TLS-ALPN-01 challenge was only added last year as an extension to the protocol. This challenge type is described in RFC8737 [3
20%
Single sign-on like the big guys
20.06.2022
Home »  Archive  »  2022  »  Issue 69: Terra...  » 
Lead Image © Sergey Nivens, 123RF.com
discontinued because a robust availability of independent OAuth2 and OIDC libraries has been reached. As an example, I'll set up a Python app that uses Flask and the Flask-OIDC module. You'll need Python 3
20%
Use PowerShell to manage Exchange Online
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © reddogs, 123RF.com
], a newly developed platform-independent version of the scripting language. PowerShell Core is based on .NET Core. PowerShell Core 6.x can be installed on Windows computers with Windows 7 or higher
20%
Building Big Iron in the Cloud with Google Compute Engine
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Zavalnyuk Sergey, 123RF.com
171M 108K 171M 1% /run 06 /dev/disk/by-uuid/a3864f53-b3b7-4a6d-9a27-548305aa6594 9.9G 722M 8.7G 8% / 07 tmpfs 5.0M 0 5.0M 0% /run
20%
A GUI for Warewulf 4
06.05.2025
Home »  Articles  » 
I think virtually everyone in HPC knows the Warewulf open source cluster provisioning and management tool. I wrote about Warewulf starting with Warewulf 3, followed by a series on Warewulf 4. Since
20%
Registry for Docker images
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Viktoriya Malova, 123RF.com
. Listing 6 Installing Certificates from Let's Encrypt curl -O https://letsencrypt.org/certs/isrgrootx1.pem curl -O https://letsencrypt.org/certs/lets-encrypt-x3-cross-signed.pem openssl x509 -in
20%
Gathering Data on Environment Modules
10.09.2012
Home »  HPC  »  Articles  » 
.own lib/atlas/3.8.4 mpi/mpich2/1.5b1-open64-5.0 module-cvs mpi/openmpi/1.6-gcc-4.4.6 [laytonjb@test1 ~]$ modules list No Modulefiles Currently Loaded. [laytonjb@test1
20%
Pandas: Data analysis with Python
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © yang chao, 123RF.com
by convention – but not necessarily – is imported using: import numpy as np Multidimensional matrices are created in a similar way, that is, with nested lists: np.array([[1, 2, 3], [4, 5, 6]]) If the content
20%
Manage status messages in CouchDB with MapReduce
27.09.2024
Home »  Archive  »  2024  »  Issue 83: Storage  » 
Photo by Austin Distel on Unsplash
query large amounts of data on distributed systems. CouchDB has been an Apache project since 2008. Version 1.0 in 2010 has evolved into version 3.3 today. "Couch" was originally an acronym for "cluster
20%
Getting started with the Apache Cassandra database
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Almos Bechtold on Unsplash
Stax Insights [3]. The former enables flexible scalability in Cassandra clusters and consumption-based billing supported by the stability and performance enhancements of DataStax Enterprise, which monitors

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