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15%
Protect Your Servers with Nmap
23.07.2012
Home »  Articles  » 
 
.13.134.52):            Not shown: 994 filtered ports            PORT    STATE  SERVICE VERSION            22/tcp  open   ssh     OpenSSH 4.3 (protocol 2.0)            25/tcp  closed smtp            53/tcp  open   domain  ISC BIND 9.3
15%
Determining CPU Utilization
25.02.2016
Home »  HPC  »  Articles  » 
straightforward. If a processor was operating at a fixed frequency of 2.0GHz, CPU utilization was the percentage of time the processor spent doing work. (Not doing work is idle. ) For 50% utilization, the processor
15%
Boost performance of your Python programs
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Eric Isselée, 123RF
if '__main__' == __name__: 09 10 p1 = Process(target = test, args = ('Rich',)) 11 p2 = Process(target = test, args = ('Nus',)) 12 p3 = Process(target = test, args = ('Geeks',)) 13 14 p2.start
15%
Server validation with Goss
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Ewa Walicka, fotolia.com
or at the Linux command line: curl --location --output /usr/bin/goss https://github.com/goss-org/goss/releases/download/v0.4.9/goss-linux-amd64 chmod +x /usr/bin/goss The process is similar in Windows, where
15%
Building a defense against DDoS attacks
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
vulnerabilities. If you don't want to fire OpenVAS at your servers, you can use the leaner Lynis [3]. The tool runs more than 200 tests and after a few minutes presents its report in the terminal or by email
15%
Discovering SQL injection vulnerabilities
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Mika Specta, 123RF.com
through the addition of modules. SQLmap needs Python version 2.6 or newer. The Takeover function also requires the Metasploit framework [3]. SQLmap supports any popular database system, such as My
15%
Using Univention Corporate Server 2.4 for virtual infrastructure management
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Martin B, Pixelio.de
in a production environment since version 3.2, KVM currently seems to be stealing the limelight for two reasons. The official Linux kernel doesn't support operations with a dom0 implemented in PVOps (Xen 4.0
15%
Managing Cluster Software Packages
12.02.2013
Home »  HPC  »  Articles  » 
Modulefiles: 1) fftw/3.3.2/gnu4 2) mpich2/1.4.1p1/gnu4 $ ssh n0 $ module list Currently Loaded Modulefiles: 1) fftw/3.3.2/gnu4 2) mpich2/1.4.1p1/gnu4 $ exit $ export NOMODULES=1 $ ssh n0 $ module list
15%
Manage resources with AWS CloudFormation
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © krisckam, 123RF.com
of resources, you only need to create a new stack that uses this sample template. The parameters shown in Listing 3 are used in the template to specify the values used in the properties of the Amazon RDS
15%
Multiprocessing in Python with Fortran and OpenMP
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image Photo by Zachary Young on Unsplash
in the standard library, Parallel Python [3], variations on queuing systems such as 0MQ [4] (zeromq ), and the mpi4py [5] bindings of the Message Passing Interface (MPI) standard for writing MPI code in Python

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