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25.03.2020

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

(CSR), use the command: openssl req -new -sha256 -key /etc/stunnel/stunnel.key -out /etc/stunnel/stunnel.csr Once you have received the signed certificate back from the CA, you integrate

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News for Admins

03.08.2023

Home » Archive » 2023 » Issue 76: Energ... »

supercomputer to break the 100-terabyte barrier for memory accessible to GPUs over NVLink." "NVIDIA DGX GH200 is the only AI supercomputer that offers a massive shared memory space of 144TB across 256 NVIDIA

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Secure data transfer with FTP alternative MFT

18.07.2013

Home » Archive » 2013 » Issue 15: What’... »

recipient can download and decrypt the files. Data is safe not only during transport, but also in temporary storage. When choosing the encryption strength of the MFT system, you should opt for the secure 256

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Moving HPC to the Cloud

19.10.2012

Home » HPC » Articles »

consisting of 80 cores with 4GB of RAM per core with basic storage of 500GB. POD pricing is based on cores/hour and would work out to be US$ 6,098.00/month or US$ 0.101/core·hour. A large example of 256 cores

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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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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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Manage software apps publicly and privately

01.06.2024

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

3 [2]. The InstallerUrl is an open, web-accessible location from which the installer can be downloaded. The calculated hash of the installer file is maintained in the field InstallerSha256

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Moving HPC to the cloud

31.10.2025

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

to be US$ 6,098.00/month or US$ .101/core per hour. A large example of 256 cores with 4GB of RAM per core and 1TB of parallel storage would cost US$ 18,245.00/month with the same US$ .101/core per hour

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Analyzing Kernel Crash Dumps

25.11.2012

Home » Articles »

case of crashkernel=512M-2G:64m,2G-:128M this means: “For a RAM size of 512MB up to 2GB, the system reserves 64MB; this becomes 128MB if you have more than 2GB of RAM.” This step simplifies

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Virtualization with KVM

29.06.2011

Home » CloudAge » Articles »

without needing to waste a CD. By default, Qemu gives virtual machines just 128MB of RAM – state of art operating systems will just laugh at this. To assign more RAM, you need the -m parameter; the example

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