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11%
Software-defined networking in OpenStack with the Neutron module
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Michael Roder, Fotolia.com
is provided by the individual computers of the installation. Whatever runs on the computers of the cloud can be configured and automated from the cloud. The key to SDN is two cloud components: On the one hand
11%
Troubleshooting and maintenance in Ceph
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © KrishnaKumar Sivaraman, 123RF.com
a value in the CRUSH map, that releases it for use: ceph osd crush set osd.3 1.0 rack=unknownrack host=charlie This is followed by launching the OSD on Charlie by typing: service ceph start From now on
11%
Secure SSH connections the right way
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © Olivier Le Moal, 123RF.com
query the data securely. Listing 2 SSHFP DNS Entries # ssh-keygen -r server.example.com -f /etc/ssh/ssh_host_ecdsa_key.pub server.example.com IN SSHFP 3 1 2e99e82cb06d646039fb813242850f69a
11%
AWX: Web-Based Console Manager for Ansible
13.07.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
© Maksym Shevchenko, 123rf.com
 [local_docker : Start the containers] *********************************************************************************** ok: [localhost]   PLAY RECAP ***************************************************************** Now, run the $ docker ps command for another quick check (Figure 1). You can see that a number of AWX ... 0 ... 0
11%
Analyzing tricky database problems
14.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Photo by Quino Al on Unsplash
. Figure 3: After the fix, CPU utilization dropped from 1,200 to 200 percent. The average response time of the read nodes decreased from 3ms to about 0.15ms. The CPU utilization of the database dropped
11%
Documentation Tools for Admins
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Sorin Colac, 123RF.com
use. Trac Trac 1.0 [18] is written in Python and released under the BSD 3-Clause license; among other things, it comes with its own ticketing system, a Subversion interface, and a journal
11%
Julia: A New Language For Technical Computing
31.05.2012
Home »  HPC  »  Articles  » 
_mat_stat 3.37 39.34 11.64 54.54 22.07 8.12 rand_mat_mul 1.00 1.18 0.70 1.65 8.64 41.79 Table 1: Benchmark Times
11%
Better monitoring for websites and certificates
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Lead Image © amasterpics123, 123RF.com
--serial 05:0e:50:04:eb:b0:35:ad:e9:d7:6d:c1:0b:36:d6:0e:33:f1--signature-algorithm1.2.840.10045.4.3.2--issuer-o Let's Encrypt--pubkey-algorithm rsa--pubkey-size 256 This check would give you a pretty good
11%
Supercharge your Website with Amazon CloudFront
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © 123RF.com
Press website and make it deliver optimally with the use of Amazon CloudFront [1] and a potent plugin, W3 Total Cache [2]. How your site performs can help or hinder your success online, whether you have a simple
11%
Setting up HTTP/2 for Nginx
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Photo by Ludomil Sawicki on Unsplash
the Configuration To find the optimal configuration, you must understand the differences in the way HTTP/2 and its predecessor protocols process requests. HTTP protocols before HTTP/2 (i.e., HTTP/1.0, HTTP/1.1

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