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17%
Monitoring KVM instances with Opsview
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Gina Sanders, Fotolia
for the KVM host: Connectivity (LAN) Unix load RAM/Swap load Storage utilization SSH availability (typically on port 22) Optional extensions: If you use libvirt, you can check
17%
A standard cloud computing API
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
total = summary.values.inject(0) { |sum, i| sum += i } 12 puts "Found #{total} instances in the following states:" 13 summary.keys.sort.each do |s| 14 printf "%20s %d\n", s, summary[s] 15 end 16 puts
17%
Overview of cloud platforms and appliances
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Athiphan Chunmano, 123RF
No + + ++ No ++ 67 Strato MultiServer Yes No No No No No + - + No - 22 Microsoft Azure No (similar elastic IP
17%
Business continuity for small to medium-sized enterprises
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Andrea, Fotolia.com
minutes between backups These settings create 22 files per day (one full backup and 21 incremental backups) on the NAS. The full backups are easily identifiable by the .spf file extension; incremental
17%
The RADOS object store and Ceph filesystem
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Brigida Soriano, Fotolia.com
/ceph/$name.keyring 04 [mon] 05 mon data = /srv/mon.$id 06 [mds] 07 [osd] 08 osd data = /srv/osd.$id 09 osd journal = /srv/osd.$id.journal 10 osd journal size = 1000 11 [mon.a] 12 host = alice 13 mon
17%
Remote Access with Tactical RMM
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Photo by Marten Newhall on Unsplash
than 4GB of RAM. If your setup is not too large, you should be able to back up the environment's new data and the metrics data history for around a year on 500GB. Debian GNU/Linux 12 is strongly
17%
A self-hosted server and site manager for WordPress
03.04.2024
Home »  Archive  »  2024  »  Issue 80: Threa...  » 
Lead Image © Marek Ulliasz, 123RF.com
. When the control panel deploys a WordPress server, its scripts assume that the server is running on Ubuntu 20.04 or 22.04. The other shortcoming is the user interface (UI). Because it is based on Word
17%
A Distributed SQL Database
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Sonika Agarwal on Unsplash
Catcher in the Rye', 'J.D. Salinger', '1951-07-16', 15.99), ('To Kill a Mockingbird', 'Harper Lee', '1960-07-11', 12.99), ('Pride and Prejudice', 'Jane Austen', '1813-01-28', 9.99); At this point
17%
Command-line tools for the HPC administrator
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Vasyl Nesterov, 123RF.com
on the storage node; you just need SSH active on your system. Almost all firewalls allow port 22 access, so you don't have to configure anything extra (e.g., NFS or CIFS); you just need one open port
17%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
KiB blocks: 79.2 IO/s, 1.2 MiB/s ( 10.4 Mbit/s) 32 KiB blocks: 81.8 IO/s, 2.6 MiB/s ( 21.4 Mbit/s) 64 KiB blocks: 78.0 IO/s, 4.9 MiB/s ( 40.9 Mbit/s) 128 KiB blocks: 76.0 IO/s, 9

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