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09.08.2015

Home » Archive » 2015 » Issue 28: SSD RAID »

to form a page (e.g., 8KB). Several pages then form a block (~2MB). At this level, the first peculiarity of flash memory already comes to light: Whereas new data can be written to unused pages, subsequent

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Bare metal deployment with OpenStack

02.08.2021

Home » Archive » 2021 » Issue 64: Bare... »

:13 ipa.initramfs.sha256 13 -rw-r--r-- 1 42422 42422 9.1M Mar 2 10:13 ipa.kernel 14 -rw-r--r-- 1 42422 42422 101 Mar 2 10:12 ipa.kernel.sha256 15 16 # file /var

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Solving the security problems of encrypted DNS

25.03.2020

Home » Archive » 2020 » Issue 56: Secur... »

) and only signs the data (integrity). Essentially, two keys are required per domain: one to sign the domain data (marked with code 256; typically 1024 bits) and a second to sign the keys (code 257; typically

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We compare four popular NAS appliances

05.12.2014

Home » Archive » 2014 » Issue 24: Visua... »

Lead Image © Alejandro Mendoza, 123RF.com

Model TS-251 DS-214 N5550 ReadyNAS RN31400 Manufacturer QNAP Inc. Synology Thecus Netgear Operating System QTS 4.1.1 (Linux 3.12

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Testing the Samsung MU-PA500B 500GB SSD

04.10.2018

Home » Archive » 2018 » Issue 47: Findi... »

of their internal 2.5-inch SATA devices, coming in at a mere 2.3x3x0.5 inches (5.8x7.6x1.3 cm) – smaller than a Post-it note (Figure 1). Available in sizes ranging from 256GB to 2TB, the specimen in our lab is the MU

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Ease your network inventory pain with Spiceworks

07.04.2016

Home » Archive » 2016 » Issue 32: Measu... »

Inventory suite using open source software that includes SQLite, Ruby, and Apache. The spiceworks.exe application is a single, small (66MB) Windows executable file that installs and scans your network devices

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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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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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Packaging Apps To Run on Any Linux Device

09.10.2017

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

Lead Image © Amawasri Naksakul, 123RF.com

's around 85MB), known as the core or ubuntu-core snap. It offers other snaps a read-only filesystem that can also rely on basic libraries, an init package (systemd), and networking. This is called an OS snap

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