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18%
Understanding Layer 2 switch port security
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Taffi, Fotolia.com
:1071867223(0) win 512 98:15:eb:38:f3:c1 c8:d7:c1:61:be:a3 0.0.0.0.30693 > 0.0.0.0.57646: S 1759104040:1759104040(0) win 512 dc:6d:43:15:be:52 99:19:41:22:4e:36 0.0.0.0.29211 > 0.0.0.0.63665: S 481173385
18%
News for Admins
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
 
is, the fewer vulnerabilities it is likely to have. According to the report, container images smaller than 100MB had 4.4 high or critical vulnerabilities, versus 42.2 for images between 250 and 500MB ... and Management Software; LPI Launches Open Source Essentials Program; Apache Software Foundation Celebrates 25 Years; SUSE Announces Rancher Prime 3.0; NSA Issues Zero Trust Guidelines for Network Security
18%
Keep an eye on your network
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © damedeeso, 123RF.com
://pkg.osquery.io/rpm/GPG | sudo tee /etc/pki/rpm-gpg/RPM-GPG-KEY-osquery Now add and enable the repository with: $ sudo yum-config-manager --add-repo https://pkg.osquery.io/rpm/osquery-s3-rpm.repo $ sudo yum
18%
Efficient password management in distributed teams
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image © Sergey Nivens, 123RF.com
in source code, such as: var PASSWORD = 'sn4k3oil' This method tackles the challenge of keeping secret information synchronized between all team members in a simple, although not secure, way. On the one
18%
Visualizing log and other data
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © Gennadiy Poznyakov, 123RF.com
it as an "experiment in organic software visualization" [3]. Similarly to Gource, code_swarm animates project changes in a version control system. Files appear as dots; their colors again indicate the file type (Figure
18%
Linux nftables packet filter
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © alphaspirit, 123RF.com
The Linux kernel already contains a variety of packet filters, starting with ipfwadm and followed by ipchains and iptables. Kernel 3.13 saw the introduction of nftables [1], which uses the nft tool
18%
Julia: A New Language For Technical Computing
31.05.2012
Home »  HPC  »  Articles  » 
Octave R JavaScript   v3f670da0 v2.7.1 vR2011a v3.4 v2.14.2 v8 3.6.6.11 fib 1.97 31.47 1,336.37 2
18%
High-Performance Python 1
16.07.2019
Home »  HPC  »  Articles  » 
is spent compiling the function. Recall that the first pass through the code compiles it. Subsequent passes do not: CPU times: user 72.3 ms, sys: 8 µs, total: 72.3 ms Wall time: 72 ms Notice that the run
18%
A Container for HPC
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © orson, 123RF.com
. A container consists of the application itself and any library or system dependencies and is referred to as "operating system virtualization" [3]. This higher level of virtualization may allow you to use
18%
Interprocess communication essentials in Perl
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Carsten Reisinger, 123RF.com
Child Read and Write 01 Use IO::Handle; 02 03 pipe(READHANDLE, WRITEHANDLE); 04 05 WRITEHANDLE->autoflush(1); 06 READHANDLE->autoflush(1); 07 08 if ($processed = fork) { 09 close(READHANDLE); 10

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