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19%
OpenACC – Porting Code
07.03.2019
Home »  HPC  »  Articles  » 
Loops Fortran C !$acc parallel loop    do i=1,n       A(i) = B(i) + C(i)    enddo   !$acc parallel loop    do j=1,m       B(i) = B(i) * D(i)    enddo         #pragma
19%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
-INPUT -p tcp -m tcp --dport 631 -j ACCEPT -A RH-Firewall-1-INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT ### begin ssh #-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j
19%
Benchmarking a new architecture
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
hosts [9]. A more apt comparison is found in Listing 2, with the results posted by a Raspberry Pi 400 [10], which is essentially a Raspberry Pi 4 (Broadcom BCM2711 Cortex-A72, ARM v8 quad-core running
19%
Exploring Kubernetes with Minikube
11.09.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
. Figure 6: Good old ``get pods'' but with width: ``kubectl get pod nginx-dep-54b9c79874-b9dzh -o wide'' showing an internal pod IP Address in the 172.17.0.0 range. Use the -n option to specify
19%
TCP Stealth hides open ports
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © momo5287, 123RF.com
-way handshake for establishing a connection. A request for comment (RFC) [8] has already been submitted to the Internet Engineering Task Force (IETF) [9]. The method, also known as silent port knocking
19%
Secure remote connectivity with VS Code for the Web
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Lead Image © fckncg, 123RF.com
): ssh-keygen -t ed25519 -a 100 -f ubuntu-sre-id_ed25519 -q -N 2. Copy the SSH public key data on the target server to the authorized_keys file in the $HOME/.ssh directory. You can use the secure copy
19%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
Home »  HPC  »  Articles  » 
fingerprint is: a9:90:af:81:69:fc:4f:b5:ef:6e:b5:d4:b7:cb:c6:02 laytonjb@test1 The key's randomart image is: +--[ RSA 2048
19%
Listing 4
21.08.2012
Home »  HPC  »  Articles  »  Warewulf 4 Code  » 
 
                                                  15/20    Installing : glib2-2.22.5-6.el6.i686                                                         16/20    Installing : gamin-0.1.10-9.el6.i686
19%
A script for strict packet filter updates
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © french 03, photocase.com
_RESORT_IPS=' 013 127.0.0.1 014 ' 015 016 FILTER=' 017 cat /var/log/secure | awk '\''$5~/^ssh/ && $6~/^Failed/ && $7~/^keyboard-interactive/ && $9~/[^invalid]/ {print $11}'\'' 018 cat /var/log/secure | awk '\''$5
19%
Predicting Drive Doom
20.10.2013
Home »  HPC  »  Articles  » 
Modern drives use S.M.A.R.T. (self-monitoring, analysis, and reporting technology) to gather information and run self-tests. Smartmontools is a Linux tool for interacting with the S.M.A ... ://smartmontools.sourceforge.net === START OF INFORMATION SECTION === Device Model: Samsung SSD 840 Series Serial Number: S19HNSAD620517N LU WWN Device Id: 5 002538 5a005092e Firmware Version: DXT08B0Q User Capacity: 120,034,123,776 bytes ... Modern drives use S.M.A.R.T. (self-monitoring, analysis, and reporting technology) to gather information and run self-tests. Smartmontools is a Linux tool for interacting with the S.M.A ... S.M.A.R.T., Smartmontools, and Drive Monitoring

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