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OpenACC – Data Management
07.02.2019
Home »  HPC  »  Articles  » 
(a) copyout(f)   do j=1,n     f(i) = 2.0*e(j) +  (1.0/4.0)*(a(j)*4.14)   end   !$acc end data #pragma acc data copyin(a, b) copy(c) {   #pragma acc parallel loop {     for (int i=0; i
10%
Building sustainably safe containers
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © it studiom1, 123RF.com
dockerrepo.matrix.dev/gentoo-glibc:latest-amd64 && touch pushtime Sending build context to Docker daemon 21.12MB Step 1/2 : FROM dockerrepo.matrix.dev/gentoo-base:latest ---> 22fe37b24ebe Step 2/2 : ADD
10%
Protecting Samba file servers in heterogeneous environments
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Photo by rawpixel on Unsplash
[::]:* LISTEN As you can see, only port 22 for SSH is open for incoming connections for both IPv4 and IPv6. If you are not (yet) using IPv6 on your network, you should disable it, because what good
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Build and host Docker images
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Lead Image © Sebastian Duda, 123RF.com
. The following example assumes a system with Ubuntu 22.04. To begin, you need to install some required software management packages (Listing 1, line 1); download the GPG key used to sign Docker's package lists
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Exploring the Xeon Phi
05.11.2013
Home »  Articles  » 
decided to look for an intermediate path, introducing the Xeon Phi accelerator at the beginning of this year. The Xeon Phi, which is based on x86 technology, has received more attention in recent months
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Automation with PXE Boot
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Sergey Jarochkin, 123RF.com
server can be read by booting clients. You can do this with the following two commands: mkdir -p /data/{www,tftpd,tftpd/x64} chmod -R 755 /data To populate the web server with the installation files
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Linux configuration with OpenLMI
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © haveseen, 123RF.com
Tag: -[UUID:C8040008000011037D001276EE0201AB]- CPU: AMD, x86_64 arch CPU Topology: 4 cpu(s), 8 core(s), 8 thread(s) Memory: 2.0 GB Disk Space: N/A GB total, N/A GB free OS
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Backups using rdiff-backup and rsnapshot
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Dmitry Pichugin, Fotolia.com
. Level 5 displays whether a file is changed; however, each processed file is listed in level 6: # rdiff-backup -v5 /etc/ /mnt/backup [...] Incrementing mirror file /mnt/backup Processing changed file X11
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Advanced MySQL security tips (a complete guide)
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Lead Image © alphaspirit, 123RF.com
command: $ cat /var/lib/mysql/testDB/testTB.ibd | head -n 20 The command output will generate plaintext information containing raw data stored in the corresponding database table. Key Management
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Fight Windows ransomware with on-board tools
03.04.2024
Home »  Archive  »  2024  »  Issue 80: Threa...  » 
Photo by John Cameron on Unsplash
a 20-character password can fail if it falls into the hands of attackers. Therefore you need multifactor authentication (MFA), one-time passwords (OTPs), and similar procedures. Many companies have

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