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17%
Getting started with Prometheus
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Clay LeConey on Unsplash
. As the name suggests, PromQL is a query language that can be employed to extract information from the Prometheus TSDB. A common structure is the use of a metric name (a value) together with one or more labels
17%
Demystified: The facts about green IT
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Iakov Kalinin, 123RF
contradicted figures provided by equipment manufacturers. The reference model for PC energy consumption measurements was an Acer Aspire M3610A, which proved to be the most energy-efficient model, consuming 75 ... 3
17%
Time-series-based monitoring with Prometheus
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © Juthamas Oonhawat, 123RF.com
such as containers. In native cloud environments, Prometheus [3], with its time series database approach, has therefore blossomed into an indispensable tool. The software is related to the Kubernetes [4] container
17%
Let the editor wars begin!
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Kirill Makarov, 123RF.com
editor such as Vi or Emacs have adopted the easiest CLI editor they could find. Figure 3: Nano 2.0.9 on CentOS 6.8. Nano was released in 1999 as free
17%
Real World AWS for Everyone
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Photo by adrian on Unsplash
]. Create access key pairs for the required tenants/users. An AWS access key always has a key ID in the form of AKIAJ4 PMEXHFYUHIXG2A and a secret access key such as :/ONT0HapjmLw7xni 6FPscmvPZJ Sc75hUXAQI+N3
17%
Save and Restore Linux Processes with CRIU
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Valentin Volkov, 123RF.com
.1-rc2 and v1.1 followed soon after. Two more versions followed quickly, and when this article went to press, v1.3-rc2 was the most recent release. The following comments are based on the v1.1 release ... 22
17%
Parallel Shells: Run Commands on Multiple Nodes
02.07.2014
Home »  HPC  »  Articles  » 
 user           execute remote commands as user -t seconds        set connect timeout (default is 10 sec) -u seconds        set command timeout (no default) -f n              use fanout of n nodes -w
17%
Exploring SQL Server on Linux
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © yewkeo, 123RF.com
_64 3/4 19 Verifying : bzip2-1.0.6-13.el7.x86_64 4/4 20 21 Installed: 22 mssql-server.x86_64 0:14.0.3026.27-2 23 24 Dependency
17%
Getting started with I/O profiling
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Photosani, Fotolia.com
fsync 21 21 21 21 21 22 26 31 lseekm 3,848 766 2,946 762 739 738 757 3
17%
Detect failures and ensure high availability
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Tim Foster on Unsplash
, on the secondary node, enter: $ watch -n1 cat /proc/drbd You should see something similar to the output shown in Listing 3. When synchronization is 100 percent complete, the same file will showcase the output

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