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

14.11.2013

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

Controller login2$ ls -s /sys/devices/system/edac/mc/mc0 total 0 0 ce_count 0 csrow1 0 csrow4 0 csrow7 0 reset_counters 0 size_mb 0 ce_noinfo_count 0 csrow2 0 csrow5 0 device 0 sdram

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Bringing old hardware back into the game

29.09.2020

Home » Archive » 2020 » Issue 59: Custo... »

and doubles the cache size (from 3 to 6MB), in exchange for a small drop in baseline clock speed – 2.3 to 2.2GHz (peak drops from 3.2 to 3.1GHz). Major Surgery Legend has it that no one has ever opened

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Aligning filesystem partitions

20.03.2014

Home » Archive » 2014 » Issue 19: Perim... »

access is aligned to internal sector size, so that should be your first consideration. Without further data, the rule of thumb adopted by Microsoft in Windows 7 of aligning to 1MB (2048x512 and 256x4096

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Simple, small-scale Kubernetes distributions for the edge

03.04.2024

Home » Archive » 2024 » Issue 80: Threa... »

on machines with only one CPU core and 512MB of RAM; the minimalist K3s setup itself only uses 250MB. As one of the radical cost-cutting measures, K3s dispenses with the I/O-intensive etcd database

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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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NVIDIA Announces Large Memory AI Supercomputer

08.06.2023

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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 Grace Hopper Superchips, providing

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Certificate security

13.06.2016

Home » Archive » 2016 » Issue 33: IPv6... »

checks the public key for the hostname in question. The program checks whether the public key is the same as the entries in the SPKI fingerprints (SHA-256 hash) in the certificate chain. The connection

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What Is an Inode?

23.03.2022

Home » HPC » Articles »

laytonjb laytonjb 19946519 Nov 20 2020 Lmod-8.4.15.tar.gz 31988342 drwxrwxr-x 2 laytonjb laytonjb 4096 Oct 27 14:22 mpibzip2-0.6 31988329 -rw-rw-r-- 1 laytonjb laytonjb 92160 Oct 27 14:18 mpibzip

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Kernel and driver development for the Linux kernel

07.10.2014

Home » Archive » 2014 » Issue 23: 10 Ti... »

_open(struct inode *inode, struct file *file) 18 { 19 return single_open(file, prochello_show, NULL); 20 } 21 22 static const struct file_operations prochello_fops = { 23 .owner = THIS_MODULE, 24 .open

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Useful NFS Options for Tuning and Management

15.06.2016

Home » HPC » Articles »

server has a large number of cores and a fair amount of memory, you can increase RPCNFSDCOUNT . I have seen 256 used on an NFS server with 16 cores and 128GB of memory, and it ran extremely well. Even

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