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13%
Symbolic Mathematics with Python's SymPy Library
17.10.2018
Home »  HPC  »  Articles  » 
the examples presented here use the Spyder 3.2.8 Python development environment (Anaconda 5.2.0) on Mint 19.0 Xfce. Because the full code is too long for a printed article, it’s freely available on
13%
Symbolic mathematics with Python's SymPy library
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Buchachon Petthanya, 123RF.com
to explore heat conduction calculations. All the examples presented here use the Spyder 3.2.8 Python development environment (Anaconda 5.2.0) on Mint 19.0 Xfce. Because the full code is too long for a printed
13%
GNU Parallel: Multicore at the Command Line with GNU Parallel
04.11.2011
Home »  HPC  »  Articles  » 
 $if | bzip2 ‑9 > $if.bz2; 04 done 05 real    0m27.005s 06 user    0m11.745s 07 sys     0m14.623s 08  09 $ time find . ‑name "*.gz" ‑print | parallel ‑j +0 'zcat {} | bzip2 ‑9 > {.}bz2' 11  12 real    0m
13%
Udev with virtual machines
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © orangeline, 123RF.com
distributions. Table 1 Udev Storage Locations Distribution Path Ubuntu 12.10, Debian 7.0, SLES 11 SP2 * /etc/udev/rules.d/70-persistent-net.rules* /lib/udev/rules.d/75
13%
Self-hosted Pritunl VPN server with MFA
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Lead Image © Darko Novakovic, fotolia.com
address. In this example, the network is 192.168.179.0/24, and I have configured the Ubuntu virtual machine to use a static IP address of 192.168.179.240 (Figure 2
13%
Command-line tools for the HPC administrator
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Vasyl Nesterov, 123RF.com
to it, you can begin to appreciate what compilers and linkers do for users today. Listing 1 Show Linked Libraries (ldd) $ pgf90 test1.f90 -o test1 $ ldd test1 linux-vdso.so.1 => (0x
13%
Secure Your Server with TCP Wrappers
02.10.2012
Home »  Articles  » 
 
, for example, 12.34.56.78 will be allowed to connect to ALL services and not just SSH. As well as these flexible options, you can also declare old school subnets directly: sshd: 1.2.3.4/255.255.255.0 As well
13%
Lean on Logwatch
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © MuharremZengin, 123RF.com
NEW packages will be installed: libdate-manip-perl libyaml-syck-perl logwatch As a result, about 12.5MB of new software is installed. Logwatch gets configuration details several ways: from script
12%
News for Admins
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
 
to encrypt data that is transmitted across a network between a client application and an instance of SQL Server. SQL Server on Linux supports TLS protocols 1.2, 1.1, and 1.0. Machine Learning Services
12%
Single sign-on with Keycloak
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Kirsty Pargeter, 123RF.com
ID Connect or the somewhat older SAML (security assertion markup language). If you have the choice, the Keycloak developers recommend OpenID Connect, which is an extension of OAuth 2.0 and offers JSON web

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