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Passwords, passphrases, and passkeys
26.03.2025
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Lead Image © berkay08, 123RF.com
password, and the need to remember it. Unrealistic Rulesets Bill Burr wrote the official password guide for the U.S. National Institute of Standards and Technology (NIST). According to the guide
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Getting started with the Apache Cassandra database
06.10.2019
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Photo by Almos Bechtold on Unsplash
, represents Unix time (i.e., the number of seconds since January 1, 1970, 0:00 hours). It is multiplied here by 1,000 to obtain the value in milliseconds needed by Cassandra. Also bear in mind that this time
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HPC Data Analytics
08.08.2014
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Reduce paradigm [http://discoproject.org] Hadoopy [22] Wrapper for Hadoop using Cython [http://www.hadoopy.com/en/latest/] Graph libraries NetworkX Package
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Exploring Ubuntu cloud tools
28.06.2011
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Figure 1: Seach on "eucalyptus" in Synaptic. Although the additional packages here are not necessary for a basic installation, the eucalyptus-walrus and eucalyptus-sc packages provide Amazon S3-like
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Network monitoring with Icinga and Raspberry Pi
17.02.2015
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Lead Image © AndreaDanti, 123RF.com
generic-service 21 host_name ubuntusrv 22 service_description Current Users 23 check_command check_nrpe!check_users!20!50 24 } 25 26 define
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Installing and operating the Graylog SIEM solution
13.12.2018
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Lead Image © Leo Blanchette, 123RF.com
. The pwgen command generates a password and encrypts with sh256sum: pwgen -N 1 -s 100 echo -n | sha256sum The encrypted password is then assigned to the parameter root_password_sha2. Table 1 gives
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Let the editor wars begin!
11.10.2016
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Lead Image © Kirill Makarov, 123RF.com
. For example, you can run the command: : s/XXX/YYY/g This commands substitutes the string XXX for the string YYY, normally for the current line. However, in this case, it does it for the entire file because
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OpenVPN with e-tokens in large-scale environments
30.11.2025
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depends on the liblzo2-2, libpkcs11-helper1, openssl-blacklist, and openvpn-blacklist packages. The next step is to set up your own Public Key Infrastructure (PKI). OpenVPN provides a software tool
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Web applications with Julia
26.01.2025
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Lead Image © sony sivanandan, 123RF.com
examples created a slider in the Pluto notebook (Figure 3) with @bind x Slider(1:10) In HTML, the closest equivalent is: However, the two examples
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Speed up Your Name Server with a MySQL Back End
23.07.2013
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be IP addresses to much more humanly digestible addresses. Thankfully, we no longer live in the early days of the Arpanet (precursor to today’s Internet), where we had to transfer large host files from

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