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15%
Harden services with systemd
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
=https://docs.python.org/3/library/http.server.html [Service] Type=simple WorkingDirectory=/home/jcb/Python/sectest ExecStart=/usr/bin/python3 -m http.server 8080 ExecStop=/bin/kill -9 $MAINPID [Install] Wanted
15%
The logging module in Python
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© svl861, 123RF.com
. In Python 2.3, the logging module [3] was finally added to the standard library, so assuming you have Python in place, you have nothing to install. To use the module, import it at the start of a script, like
15%
Capsicum – Additional seasoning for FreeBSD
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
, these are standard input (FD=0), standard output (FD=1), standard error output (FD=2), and the bpf driver for the Berkeley packet filter (FD=3). The fourth column describes the type of file descriptor, and the FLAGS
15%
Application security testing with ZAP in a Docker container
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © Maxim Maksutov, 123RF.com
. The default port is TCP 5900 for TightVNC, so you won't need to adjust the port, just connect to ZAP's internal IP address with the command: $ xtightvncviewer 172.17.0.3 You can easily get the IP address
15%
Monitoring container clusters with Prometheus
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Guido Vrola, 123RF.com
environment provides impressions of the insights Prometheus delivers into a Kubernetes installation. The Prometheus configuration is oriented on the official example [3]. When querying metrics from
15%
Introducing the NoSQL MongoDB database
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Photo by Wesley Tingey on Unsplash
; processes known as mongos route queries to the correct shard. The config server's metadata makes sure this happens. © MongoDB [3] Version 8.0 of MongoDB introduced embedded config servers, which means
15%
Automating command execution across servers
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Photo by Adrian Hartanto on Unsplash
to that shown in Listing 3; line 35 captures the syspatch exit status and records it in the MY_STATUS variable. Lines 36-40 ensure that the script exits with status 0 if syspatch itself exits with a status
15%
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
15%
Build operating system images on demand
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © Nataliya Hora, 123RF.com
and needs 900MB of storage space (Figure 1). If you have fast Internet access on the system on which you call the fai-diskimage command, the process is also quick. It hardly takes a minute for the finished
15%
Monitoring IoT devices
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © alexutemov, 123rf.com
] and Azure Monitor [3] services monitor the IoT data stream via the alert path. Azure Monitor also offers additional features for analysis, visualization, and automatic actions, which I will not be discussing

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