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17%
The fail2ban intrusion prevention framework
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Flavijus Piliponis, 123RF.com
the smoke and mirrors that some pieces of software employ to keep their workings secret, fail2ban is transparent in the work it does behind the scenes. In simple terms, fail2ban [3] keeps a close eye on your
17%
Finding cracks with Nmap, Portbunny, and Nessus
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Fotoflash, Fotolia.com
. This prevents the sender from filling up the cache too quickly. Port Scanners Nmap [3], which recently went to version 5.0, is the Swiss army knife of port scanners. Portbunny [4] is a relatively new tool ... 0
17%
Secure microservices with centralized zero trust
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Christopher Ruel on Unsplash
:container-name:spire-client -selector k8s:container-image:docker.io/acmecorp/go-spiffe-https-example:v0.8 -selector unix:uid:1102 -selector k8s:ns:acmewebappnamespace Only a workload with characteristics that match these four selectors
17%
Wireshark
27.11.2011
Home »  Articles  » 
 
. It was formerly known as Ethereal and is probably known to many administrators by that name. The tool was renamed when version 0.99.1 of Wireshark was released, because Ethereal developer Gerald Combs left Ethereal
17%
GUI or Text-Based Interface?
05.12.2018
Home »  HPC  »  Articles  » 
(Wikipedia, CC BY-SA 3.0). Another option is the Newt library, which focuses on color TUIs (Figure 2) and uses a widget approach, making programming a TUI much easier. With Newt, you can create stacked
17%
OpenACC – Porting Code
07.03.2019
Home »  HPC  »  Articles  » 
 acc parallel loop       {          for (j=0; j < m; j++) {             ...          }       }       ...    } } Table 3: Single-Directive Nested Loop Fortran C !$acc parallel loop    do i=1,n       ...       do
17%
Exploring PowerDNS
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © ladyann, 123RF.com
and records DNSSEC support (as of 3.x) Web-based management options DNS data stored in plain text (BIND compatible) IPv4 and IPv6, UDP/TCP, 100% compliant [3] MySQL, Postgre
17%
Protecting the production environment
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Photo by Intricate Explorer on Unsplash
that Puppet cannot detect. A typical example in the Unix environment is the sequence for setting up a service. You have to (1) install the package, (2) adjust its configuration file, and (3) start
17%
Let the Editor Wars Begin!
25.08.2016
Home »  HPC  »  Articles  » 
over the Free Software Foundation's copyright assignment policy. Figure 3: Nano 2.0.9 on CentOS 6.8. JOE The last CLI editor I want to present
17%
High-Performance Python 3
19.09.2019
Home »  HPC  »  Articles  » 
 add_ufunc(x, y):     return x + y The decorator line defines the data types (i.e., int64  here) and the target for the decorator cuda . A simple test for the add_ufunc  Numba function is: a = np.array([1, 2, 3, 4]) b ... High-Performance Python 3

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