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14%
Tuning loops – from loop unrolling to Duff's device
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
on the programming model and compiler in use, these optimizations are so well understood as to carry their own names. Loopy David Spuler's recent works [1][2] feature the taxonomy of loop manipulation strategies
14%
DiffServ service classes for network QoS
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Elgris, Fotolia.com
. DiffServ service classes provide the necessary traffic characteristics to the various applications on an end-to-end basis. RFC 4594 defines 12 service classes: two for network operation
14%
Roll out hybrid clouds with Ansible  automation
14.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Lead Image © markovka, 123RF.com
key_material: "{{ item }}" 09 state: present 10 region: "{{ region }}" 11 with_file: /home/user/.ssh/id_rsa.pub 12 register: sshkey 13 tags: sshkey 14 15 - name: Create VPC INT 16 ec2
14%
URL Tricks with htaccess
02.02.2012
Home »  Articles  » 
 
for this example: Order Deny,Allow Deny from All Allow from 12.12.12.12 Allow from 23.23.23.23 Allow from 34.34.34.34 This example denies access to everybody except the IPs listed, which follows the very sensible
14%
Getting started with Prometheus
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Clay LeConey on Unsplash
in each mode. # TYPE node_cpu_seconds_total counter node_cpu_seconds_total{cpu="0",mode="idle"} 71039.6 node_cpu_seconds_total{cpu="0",mode="iowait"} 54.79 node_cpu_seconds_total{cpu="0",mode="irq"} 865
14%
CI/CD deliverables pipeline
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image by serhat-beyazkaya, Unsplash.com
${WORK_DIR} 10 VOLUME ${WORK_DIR} 11 12 COPY Debian/stretch-backports.list /etc/apt/sources.list.d/ 13 COPY Debian/testing.list /etc/apt/sources.list.d/ 14 15 RUN apt-get update -y \ 16 && apt-get upgrade
14%
Stat-like Tools for Admins
19.11.2014
Home »  HPC  »  Articles  » 
machine. Before Linux 2.6.11, unknown The first lines of output from vmstat are the averages since the last reboot, and unless you are interested in this information, it can be safely ignored
14%
Setting up FreeNAS
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Franck, 123RF.com
FreeNAS system can easily integrate with your existing network directory services [12] or use its own local user configuration (Figure 6). If you are running Windows Active Directory, LDAP, NIS, or NT4
14%
LDAP integration with popular groupware suites
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © Sergey Tryapitsyn, 123RF.com
Open-Xchange Scalix Tine 2.0 Zarafa Zimbra Product version 14.1 3.4 7.6 12.5 Coriander, 2014.09.10 7.1 8.6 Supported
14%
Use PowerShell to manage Exchange Online
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © reddogs, 123RF.com
a separate installation package on GitHub. On macOS machines, you need at least macOS 10.12. Additionally, PowerShell Core 6.x can also run in Docker containers and on the Kali Linux security distribution

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