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Practical SELinux

31.10.2025

Home » Archive » 2012 » Issue 11: Cloud... »

allow -R -M xguest_irc policy_module(xguest_irc,1.0.0) require { type xguest_t; } ## ##

a ## Allow xguest users to use IRC ##

## gen_tunable(xguest_use_irc, true) tunable

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Automating repetitive tasks

07.10.2025

Home » Archive » 2025 » Issue 89: Autom... »

desktop license provides access to process mining on desktops and 50MB of process mining data storage, which can be expanded to up to 100GB per tenant. Power Automate Premium also provides AI tools

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Why Good Applications Don’t Scale

13.10.2020

Home » HPC » Articles »

, a is the application speedup, n is the number of processors, and p is the “parallel fraction” of the application (i.e., the fraction of the application that is parallelizable), ranging from 0 to 1. Equations are nice

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Why Good Applications Don't Scale

02.02.2021

Home » Archive » 2021 » Issue 61: Secur... »

: In Equation 1, a is the application speedup, n is the number of processors, and p is the "parallel fraction" of the application (i.e., the fraction of the application that is parallelizable), ranging from 0

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Adding high availability to a Linux VoIP PBX

07.04.2022

Home » Archive » 2022 » Issue 68: Autom... »

=physical physicaldevice=eth1 address=192.168.2.100 Enabling logging of all HAast messages Telling HAast about the management IP address of this node and the management IP address of the other node (so

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Embarrassingly parallel computation

01.06.2024

Home » Archive » 2024 » Issue 81: Load... »

long count=0; //Count holds all the number of how many good coordinates 14 double z; //Used to check if x^2+y^2<=1 15 double pi

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Parallel Programming with OpenCL

04.11.2011

Home » HPC » Articles »

with AMD, IBM, and NVidia) submitted a specification to the Khronos Group, which promotes the OpenGL specification. Open Computing Language 1.0 (OpenCL) was released late in 2008 [3]. OpenCL now provides

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RADOS and Ceph: Part 2

22.10.2012

Home » HPC » Articles »

099 max_size 2 100 step take root 101 step chooseleaf firstn 0 type rack 102 step emit 103 } 104 105 # end crush map Of course, the names of the devices and hosts

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The RADOS object store and Ceph filesystem: Part 2

31.10.2025

Home » Archive » 2012 » Issue 11: Cloud... »

? The first part of this workshop demonstrated how an additional node can be added to an existing cluster using ceph osd crush add 4 osd.4 1.0 pool=default host=daisy assuming that daisy is the hostname

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Single sign-on like the big guys

20.06.2022

Home » Archive » 2022 » Issue 69: Terra... »

.4' 02 services: 03 keycloak: 04 container_name: keycloak 05 image: quay.io/keycloak/keycloak:17.0.1 06 ports: 07 - 8080:8080 08 environment: 09 - KEYCLOAK

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