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Installing and operating the Graylog SIEM solution

13.12.2018

Home » Archive » 2018 » Issue 48: Secur... »

. 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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Error-correcting code memory keeps single-bit errors at bay

14.11.2013

Home » Archive » 2013 » Issue 17: Cloud... »

of an uncorrectable error by factors of 9-400. Uncorrectable errors following a correctable error are still small at 0.1%-2.3% per year. + The incidence of correctable errors increases with age

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Manage software apps publicly and privately

01.06.2024

Home » Archive » 2024 » Issue 81: Load... »

enabled show view winget show vscode Show information about a package source – winget source add -n mypckgsource -t Microsoft.REST -a https

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HPCCM with Docker and Podman

09.09.2024

Home » HPC » Articles »

images REPOSITORY TAG IMAGE ID CREATED SIZE ubuntu-24.04-dev2 latest 8f311b6fbb1e 9 seconds ago 1.82GB ubuntu-24.04-dev1 latest 2358ab17d70c 35 minutes ago 149MB

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Data center networking with OpenSwitch

11.10.2016

Home » Archive » 2016 » Issue 35: Persi... »

Hub account and the Git [7] and Gerrit [8] tools. The project page [9] explains the individual steps. If you have dealt with Yocto [10] in the past, you should be able to find your way around pretty quickly

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Creating and evaluating kernel crash dumps

31.10.2025

Home » Archive » 2012 » Issue 11: Cloud... »

kernel sles:~ # grep crash /proc/cmdline root=/dev/disk/by-uuid/10a83ffe-5a9f-48a2-b8cb-551c2cc6b42d resume=/dev/sda3 splash=silent text showopts crashkernel=128 sles:~ # /etc/init.d/boot.kdump status

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Resource Management with Slurm

05.11.2018

Home » HPC » Articles »

One way to share HPC systems among several users is to use a software tool called a resource manager. Slurm, probably the most common job scheduler in use today, is open source, scalable, and easy ... . The first configuration file is slurm.conf (Listing 1). Listing 1: slurm.conf 01 # 02 # Example slurm.conf file. Please run configurator.html 03 # (in doc/html) to build a configuration file customized 04 ... One way to share HPC systems among several users is to use a software tool called a resource manager. Slurm, probably the most common job scheduler in use today, is open source, scalable, and easy

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Hunt down vulnerabilities with the Metasploit pen-testing tool

28.11.2021

Home » Archive » 2021 » Issue 66: Inci... »

for a graphical approach to Metasploit. Meterpreter [9] is probably the most appealing payload an attacker can install on a remote computer. It can be easily hidden in other file formats (e.g., PDFs), sent

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Monitor your nodes with collectl

30.11.2025

Home » Archive » 2012 » Issue 09: Windo... »

CPUs individually – this is also true for disks, networks, and so on. Collectl allows you to do both brief and detailed measurements at the same time (a very handy feature). Table 1 lists the brief ... 9

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Correctly integrating containers

09.10.2017

Home » Archive » 2017 » Issue 41: Kuber... »

, but it quite quickly reaches its limits, because this network model generates a maximum of 256 nodes. Although 256 nodes is rather a small cluster for a project with the ambitions of Kubernetes, they can

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