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15%
Why Good Applications Don’t Scale
13.10.2020
Home »  HPC  »  Articles  » 
and increasing the wall clock time. Notice that the peak speedup is only about a = 3.0 and happens at around 16 processors. This speedup is less than that predicted by Amdahl’s Law (a = 5). Note that you can
15%
OpenShift by Red Hat continues to evolve
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image © ktsdesign, 123RF.com
a commercial distribution of the Kubernetes container orchestration [2]. However, things have changed. In version 3.0, Red Hat shifted the product onto the new Kubernetes underpinnings and has since made
15%
PowerShell add-on security modules
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
PowerSploit expects a list of bytes in the form 0xXX,0xXX,0xXX,0xXX . The Backtrack toolset is helpful for generating the correct format: > msfpayload windows/exec CMD="cmd /k calc" EXITFUNC=thread C ... Script Kiddies 4.0
15%
News for Admins
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
 
to encrypt data that is transmitted across a network between a client application and an instance of SQL Server. SQL Server on Linux supports TLS protocols 1.2, 1.1, and 1.0. Machine Learning Services
15%
Single sign-on with Keycloak
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Kirsty Pargeter, 123RF.com
ID Connect or the somewhat older SAML (security assertion markup language). If you have the choice, the Keycloak developers recommend OpenID Connect, which is an extension of OAuth 2.0 and offers JSON web
15%
Setting up SELinux policies
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Agustin Paz, 123RF.com
this article will help reduce the SELinux switch-off quota. If not, just remember: Every time someone sets setenforce 0, one kitten dies and Daniel Walsh cries [3]. Infos Don't make Dan Walsh unhappy
15%
Resolving problems with DNS, Active Directory, and Group Policy
17.04.2017
Home »  Archive  »  2017  »  Issue 38: .NET...  » 
Lead Image © Fernando Gregory, 123RF.com
to query; for example: nslookup -server 10.0.0.11 You can also combine the two options, if necessary. If you start nslookup so that it does not use the locally configured DNS server for name resolution
15%
Secure and seamless server access
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Michael D on Unsplash
– assuming you have a Cloudflare account and zone: 1. Create a tunnel and collect its secret token. 2. Add a tunnel configuration specifying the tunnel behavior. 3. Add a DNS entry for Tunnel – it has
15%
Linux and Windows client management with opsi
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © alexutemov, 123RF.com
. The core components of opsi are free software under the AGPLv3 license. Gone are the days of the sneaker network, where the administrator ran from PC to PC to install new software and updates. The Opsi
15%
Troubleshooting and analyzing VoIP networks
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Ioannis Kounadeas, Fotolia.com
(R-factor). From these values, a prediction is made for speech quality ranging from 0 to 100, which can be mapped on the MOS scale (Table 3). Table 3 R-Factors and MOS Values R

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