10%
07.10.2025
) provides a simple and secure way to make public keys for email addresses available over HTTPS. The underlying standard was first implemented in GnuPG version 2.1.12 and has been enabled by default since
10%
30.11.2025
, to monitoring and controlling complete systems.
Identifying Services
OpenNMS can automatically identify the services you need to monitor. In versions up to 1.8.x, this task is handled by the capabilities daemon
10%
07.07.2025
or incorporated into scripts.
Introduction to Logger
All of the examples in this article are from a rather dated Ubuntu 20.04 system, although logger
works the same way on current distributions. The basic syntax
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03.02.2022
"Accept" -> "text/html",
16 "User-Agent" -> "LinuxMagazine/1.0.1",
17 "Accept-Encoding" -> "gzip, deflate",
18 "Connection" -> "keep-alive",
19 "DNT" -> "1" )
20
21 // http connector
22
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02.10.2012
a threat there’s a loosely followed rule of thumb that for every thousand lines of code you add to a server you potentially add another security hole. This is important because you can lock all the network
10%
30.05.2021
) is currently based [3]. It has been replaced since by ec2-metadata [4] as Canonical decided to standardize on Amazon's implementation of the tool beginning with Groovy Gorilla (20.10).
Documentation indicates
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15.12.2016
are over i
= 2,n
− 1 and j
= 2,n
−1. Here is how you can write the iteration over the domain using array notation:
a(2:n-1,2:n-1) = 0.25 * &
(a(1:n-2,2:n) + a(3:n,2:n) + a(2:n,1:n-2) + a(2:n,3:n
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04.08.2020
"mprotect",
19 "capget",
20 "getuid",
21 "wait4",
22 "pread64",
23 "Capset",
24 [snip...]
Unfortunately, I can't go too deep into seccomp in this article ... DockerSlim minifies your Docker container images up to 30x and adds security, too.
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30.11.2025
: tscherf@TUXGEEK.DE
15 SASL SSF: 56
16 SASL data security layer installed.
17 dn: uid=TScherf,ou=People,dc=tuxgeek, dc=de
18 givenName: Thorsten
19 sn: Scherf
20 loginShell: /bin/bash
21 uidNumber: 9999
22
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07.06.2019
-p ${CASC_JENKINS_CONFIG} && mkdir -p ${JENKINS_HOME}/plugins && adduser -h ${JENKINS_HOME} -u ${UID} -s /bin/bash -D ${JENKINS_USER} && chown -R ${UID} ${JENKINS_HOME} ${CASC_JENKINS_CONFIG}
20
21
