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18%
Backup and restore disks
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Photo by Omar Flores on Unsplash
connected to the computer. You can pick up the 64-bit version of Rescuezilla as a 755MB ISO image from the project's website. If you want to back up older computers with an x86 architecture, use the 32-bit
18%
News for Admins
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
 
Stack experience." "What makes Sunbeam unique is its K8s-native architecture," the announcement says (https://ubuntu.com/blog/canonical-extends-commercial-openstack
18%
Creating a private Docker registry
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Photo by Dayne Topkin on Unsplash
-02-22 [S] Assuming you have AMD64 or x86_64 hardware (see the documentation for ARM options), run: $ add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu$(lsb_release -cs
18%
Even benchmarks can be easy to handle
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
platforms. As you go through stress's options, you can visualize its effect on the system via Byobu's [3] status line, the Gnome System Monitor [4], the handy top [5], or Apple Activity Monitor on a Mac[6
18%
Comparing startup times of Linux distros in the cloud
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Lead Image © Lucy Baldwin, 123RF.com
Request timeout for icmp_seq 0 Request timeout for icmp_seq 1 Request timeout for icmp_seq 2 64 bytes from 52.90.56.122: icmp_seq=3 ttl=48 time=40.492 ms [ output truncated ] Welcome to Ubuntu 20.04.1 LTS
18%
Getting started with Prometheus
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Clay LeConey on Unsplash
in to the database server and create a user with the necessary permissions. The SQL queries are: CREATE USER 'exporter'@'%' IDENTIFIED BY 'mysecurepassword' WITH MAX_USER_CONNECTIONS 3; GRANT SLAVE MONITOR, PROCESS
18%
OpenStack installation with the Packstack installer
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Tom Wang, Fotolia.com
, Packstack [1] is used for quickly setting up development or demonstration cloud environments. In this article, I present an example of an IaaS-type RDO [2] OpenStack Pike [3] installation using the Packstack
18%
HTTP/1.1 versus HTTP/2 and HTTP/3
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Lead Image © alphaspirit, 123RF.com
on most servers, is HTTP/1.1 – even though HTTP/3 has already been defined. In this article, I look at the history of the protocol and the practical differences between versions 1.1, 2, and 3 ... HTTP/2 introduced multiplexing, resulting in superior bandwidth utilization over HTTP/1.1, and HTTP/3 solves the problem of transmission delays from packet loss by replacing TCP with QUIC. ... HTTP/1.1 versus HTTP/2 and HTTP/3
18%
Managing virtual machines
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Igor Klimov, 123RF.com
"creating" $vmname 09 10 virsh suspend rhstorage 11 virt-clone -o rhstorage -n $vmname -f /var/lib/libvirt/images/$vmname.qcow 12 virsh resume rhstorage 13 14 oldmac="52:54:00:B4:DF:EB" 15 newmac
18%
Programming with OpenMP
07.11.2011
Home »  HPC  »  Articles  » 
   #pragma omp parallel for reduction(+: pi) 10   for (i = 0; i < STEPCOUNTER; i++) { 11     /* pi/4 = 1/1 ‑ 1/3 + 1/5 ‑ 1/7 + ... 12        To avoid the need to continually change 13        the sign (s=1

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