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13%
Managing virtual machines
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Igor Klimov, 123RF.com
CentOS 5 to 6 would work – a procedure the release notes advise against – a virtual environment seemed like the prudent decision. The first step is to create a copy of the current system, which should
13%
Sharing Data with SSHFS
23.04.2014
Home »  HPC  »  Articles  » 
on your system. Almost all firewalls allow port 22 access, so you don’t have to configure anything extra, such as NFS or CIFS. You just need one open port on the firewall – port 22. All the other ports can
13%
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
13%
Keeping Docker containers safe
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Irina Tischenko, 123RF.com
of around 250MB to Amazon's S3 storage very effectively. A number of successful container technologies have been used extensively in the past, including LXC, Solaris Zones, and FreeBSD jails, to name
13%
ISC 2024 from a Distance
10.06.2024
Home »  HPC  »  Articles  » 
number 2 using 38.698MW, resulting in a low performance/power ratio of 26.15. In comparison, Frontier at number 1 reached about 1.2 exaflops using 22.78MW, resulting in a performance/power ratio of 52
13%
Shared Storage with NFS and SSHFS
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Oleksiy Mark, 123RF.com
't need to add or run a special client tool on the client nodes or a special server tool on the storage node; SSH just needs to be active on your system. Almost all firewalls allow port 22 access, so you
13%
Live migration of virtual machines with KVM
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © SV-Luma, 123RF.com
(e.g., iSCSI, Fibre Channel), or you can stick with NFS. For example, NetApp Clustered ONTAP also offers support for pNFS, which newer Linux distributions such as Red Hat Enterprise Linux or CentOS  6
13%
Swagger and OpenAPI Specification for documents
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © smeagorl, 123RF.com
the Swagger tools in the build process; the documentation and client SDK are automatically kept up to date. Swagger, developed by SmartBear [6], comprises in part a comprehensive specification [2
13%
Have a Bash with the Zing network utility
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Micah Tindell on Unsplash
of the number of ports, the count, and the limit of the operation. The defaults are ports = 2, count = 6, and limit = 4, so the product, 2x6x4=48, is the total number of netcat operations. The fourth and final
13%
Let the editor wars begin!
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Kirill Makarov, 123RF.com
to be commands. Knowing which mode you are in is one of the earliest aspects of Vi that needs to be mastered. Figure 1 shows an image of Vi running in Normal mode on my Linux CentOS 6.8 desktop. At the bottom

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