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27%
Setting up a PXE boot server
20.06.2022
Home »  Archive  »  2022  »  Issue 69: Terra...  » 
how long DHCP clients can keep their addresses. If your provider has assigned you an IPv6 subnet, your DHCP server can pass on addresses from this segment to your LAN systems, which is sometimes
27%
Log analysis in high-performance computing
28.11.2022
Home »  Archive  »  2022  »  Issue 72: OpenS...  » 
Photo by Kier… in Sight on Unsplash
engine, which is Elasticsearch in the ELK or in Elastic stack. Installing and configuring Logstash is covered in an article from Elastic [6]. Each client system runs a small tool named Filebeat
27%
Configuration management with CFEngine 3
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Lead Image © iofoto, Fotolia.com
of which perform different tasks. A short overview can be found in the official documentation [6]. Getting Started The initial setup of CFEngine 3 took place with the bootstrapping section at the end
27%
Make Your IT Automation Systems Play Together Like a Symphony
15.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
© jeancliclac, Fotolia.com
the package. Because I use an Ubuntu system, I use the following command: $ sudo dpkg -i /chefsource/chef-server-core-6.1.deb Note: CentOS or Red Hat users would, of course, use the rpm utility. Once
27%
Auditing Docker Containers in a DevOps Environment
27.12.2017
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Photo by Frank McKenna Unsplash.com
. The command $ systemd-analyze Startup finished in 1.026s (kernel) + 5.925s (userspace) = 6.952s shows you the slowest services to load when you boot up your system, so you can name and shame those services
27%
Investigating container security with auditd
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image, Frank Mckenna, @unsplash.com
finished in 1.026s (kernel) + 5.925s (userspace) = 6.952s shows you the slowest services to load when you boot up your system, so you can name and shame those services (and then fine tune them afterward
27%
Useful NFS options for tuning and management
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © gortan123, 123RF.com
options are useful is to run tests, particularly with the applications you plan on running. Infos FS-Cache: https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html
27%
Keeping Docker containers safe
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Irina Tischenko, 123RF.com
, by giving a low-level user access to the Docker daemon, you cannot break an established security model (sometimes called the "principle of least privilege" [6]), which has been used since the early 1970s
27%
New in PostgreSQL 9.3
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Nuno Andre, 123RF.com
.403 ms 15 (6 rows) 16 17 EXPLAIN ANALYZE SELECT * FROM mail WHERE msg ~ '(updatable|views)'; 18 QUERY PLAN 19
27%
Program from one source to many apps with Flutter
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Pynkhlainborlang Khongwar on Unsplash
receive and analyze the weather data from this source in JSON data format, but a Flutter package named weather [6] for OpenWeatherMap simplifies the steps. All you need is an API key, which you can get

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