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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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Processor and Memory Metrics

12.02.2014

Home » HPC » Articles »

to measure the 15-minute node load average every few seconds? If the application takes 12 hours to run, do you need to measure the CPU load every two to three seconds? The main result of frequent monitoring

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Safeguard and scale containers

05.12.2016

Home » Archive » 2016 » Issue 36: Autom... »

Version: v1 02 kind: Pod 03 metadata: 04 name: nginx 05 spec: 06 containers: 07 - name: nginx 08 image: nginx 09 ports: 10 - containerPort: 80 A replication controller [12], however

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Finally: Java 9

13.02.2017

Home » Archive » 2017 » Issue 37: Distr... »

Lead Image © Krockenmitte, photocase.com

to the needs of an application. After all, the standard libraries in Java 8 weigh in at around 60MB and 20,000 classes. They not only need space on the hard drive, but the computer also needs to load them

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Acquiring a Memory Image

20.05.2014

Home » Archive » 2014 » Issue 20: IPv6... »

a hash of the input and also of any outputs (specified using hof=, hofs=, phod=, or fhod=. ALGORITHM options include md5, sha1, sha256, or sha512. hashlog=FILE – Log total hashes and piecewise hashes

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Posteo, Mailbox.org, Tutanota, and ProtonMail compared

10.04.2015

Home » Archive » 2015 » Issue 26: OpenS... »

.org Tutanota ProtonMail Mailbox from EUR1 Yes/2GB Yes/2GB Free/1GB Free/500MB Storage space expansion Yes Yes Yes Currently

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News for Admins

30.05.2021

Home » Archive » 2021 » Issue 63: Autom... »

Linux will be a community-based 1:1 binary replacement for Red Hat Enterprise Linux and currently ships with Gnome 3.32, Linux kernel 4.18.0-240.22.1.el8, SQLite 3.26, virt-what 1.18, Samba 4.12.3, DNF 4

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Nmon: All-Purpose Admin Tool

17.12.2014

Home » HPC » Articles »

nodes are great candidates to watch with nmon. The nmon j option (Figure 7) outputs information such as the size of various filesystems (SizeMB) and the amount of free space (FreeMB). Nmon refreshes

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Automating development environments and deployment with Otto

11.02.2016

Home » Archive » 2016 » Issue 31: Tunin... »

] and unpack to your hard disk, revealing the lightweight otto program, which weighs in at just 15MB. Although you can call it directly – there is no need to install – HashiCorp does recommend adding otto

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Managing access credentials

02.02.2021

Home » Archive » 2021 » Issue 61: Secur... »

Lead Image © Marcel Goldbach, photocase.com

PassXC database in various applications and services. In addition, KeePassXC pays attention to security. It stores all data with AES-256 encryption, which makes it virtually impossible for unauthorized third

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