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26%
Why Good Applications Don't Scale
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © man64, 123RF.com
,000 seconds. Amdahl's Law says the speedup is 1.00 (i.e., the starting point). Notice that as the number of processors increases, the wall clock time of the parallel portion decreases. The speedup a increases
26%
Disaster Recovery with Built-In Tools on Windows Server 2025
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Lead Image © andresr, Fotolia.com
: daily at 3:00am. It runs once, sets up a backup policy, and then immediately starts the backup process. Listing 1 Full Backup $targetVolume = Get-WBVolume -DriveLetter "E" $source
26%
Resource monitoring for remote applications
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image Gustavo Quepón on Unsplash.com
of profiling [2], I have focused on individual applications, either serial or parallel [3]. Profiling usually means trying to understand application resource usage patterns by answering questions such as: "How
26%
Combining containers and OpenStack
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Dmitriy Melnikov, Fotolia.com
Most IT users rely on containers à la Docker [1], rkt [2], and LXD [3] as platforms for processing data. Sooner or later, cloud solutions such as OpenStack [4] also have to contend with containers
26%
Backup and replicate VMs on VMware ESXi
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © urbanhearts, fotolia.com
with the options you want in each line. To start the respective backup jobs based on a schedule, each line contains a --time option; for example: xsibackup --time="Sun 19:00" --backup
26%
File Compression for HPC
10.11.2021
Home »  HPC  »  Articles  » 
speeds several times faster than Deflate. An implementation of lz4  for Linux has been part of the Linux kernel since 3.11 and has been used by SquashFS since kernel version 3.19-rc1. The lz4 utility
26%
Registry for Docker images
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Viktoriya Malova, 123RF.com
/docker-registry $ htpasswd -Bbn oliver T0Ps3crEt | sudo tee /etc/docker-registry/htpasswd oliver:$2y$05$lAmkjHRcR0.TK52/rHR/Pe86AGZqpRleXenHVT/eabFe8He5UZiPu $ docker run -p 5000:5000 --name registry -v /etc
26%
Application virtualization with Docker
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Oleksiy Mark, 123RF.com
containers (Figure 3) – that is, completely virtualized operating systems – and application containers (Figure 4) for virtualizing a particular application, including its run-time environment. However, LXC
26%
Get the best out of your bandwidth with tc
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Russell Shively, 123RF.com
protocol ip parent 1:0 prio 100 u32 match ip $DIR 5.4.3.2 flowid 1:14 06 tc filter add dev $DEV protocol ip parent 1:0 prio 100 u32 match ip $DIR 4.3.2.1 flowid 1:14 Step Away from the Bandwidth I
26%
How to configure and use jailed processes in FreeBSD
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Corina Rosu, 123RF.com
[1]. To create a jail, complete the steps shown in Listing 3. Listing 3 Creating a Jail 01 # mkdir -p /jail/www 02 # cd /usr/src 03 # make world DESTDIR=/jail/www 04 # cd etc 05 # make

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