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13%
DNS name resolution with HTTPS
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Photo by saeed karimi on Unsplash
the question of trusting or mistrusting your own Internet provider; associations that provide protection against censorship [1] or offer data protection [2]; or large DNS providers such as Cloudflare [3], Google
13%
Network monitoring with Zeek
28.11.2022
Home »  Archive  »  2022  »  Issue 72: OpenS...  » 
Photo by Susann Schuster on Unsplash
policy scripting language [3] for customization. With its help, you can flexibly adapt your monitoring setup to suit your needs or expand the analysis options to include more network protocols, if required
13%
Single sign-on with Keycloak
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Kirsty Pargeter, 123RF.com
environment variables specified, the container offers a variety of other configuration options [3], starting with the selection of the database backend and the integration of TLS certificates, as well
13%
News for Admins
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
 
.11 enhances performance for Zen 2/Zen 3 CPUs and adds support for Van Gogh. Finally, Nvidia RTX 30 GPU support has been added. One of the more exciting additions to the kernel is the inclusion of the Syscall
13%
The light-footed Hiawatha web server
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © Olexandr Moroz, 123RF.com
). Figure 1: The W3Techs survey lists very few installations of Hiawatha, but that doesn't begin to do justice to the server's capabilities. © W3Techs The bottom line is that Hiawatha [1] very much
13%
Advanced MySQL security tips (a complete guide)
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Lead Image © alphaspirit, 123RF.com
service mysql restart Once backed up, log in to the server and check the SSL status by typing \s or by checking the value of the have_ssl variable (Listing 3). Listing 3 Checking have
13%
Save sudo logs on a remote computer
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Photo by the blowup on Unsplash
_logsrvd. The prebuilt packages on the sudo website [3] have both a systemd and a SysVinit script. If you use the sudo packages from the repository of your Linux distribution, some of the packages may be somewhat outdated
13%
News for Admins
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
 
for the Juju orchestration tool, Open vSwitch 2.4.0, and the Ceph 0.94.3 "Hammer" distributed storage system. Ubuntu provides separate editions for various IT use cases, including Desktop and Server, as well
13%
News for Admins
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
 
. Cumulus Linux 4.0 has added a few new supported platforms, such as Edgecore Minipack AS8000 (100G Tomahawk 3), Mellanox SN3700C (100G Spectrum-2), Mellanox SN3700 (200G Spectrum-2), and HPE SN2345M (100G
13%
Command-line tools for the HPC administrator
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Vasyl Nesterov, 123RF.com
or thousands of nodes; therefore, admins needed a way to send the same command to a number of nodes or a fixed set of nodes. In a past article [3], I wrote about a class of tools that accomplishes this goal

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