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14%
File Compression for HPC
10.11.2021
Home »  HPC  »  Articles  » 
 package-list.txt Output filename is: package-list.txt.lrz package-list.txt - Compression Ratio: 2.604. Average Compression Speed:  0.000MB/s. Total time: 00:00:00.04 By default, lrzip does not overwrite the original file
14%
Infrastructure as Code with Terraform
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image © Sebastian Duda, 123RF.com
public_key = "${file("${var.ssh_pub_key}")}" 07 } 08 resource "digitalocean_droplet" "mywebapp" { 09 image = "docker-16-04" 10 name: guest 11 region = "fra1" 12 size = "512mb" 13 ssh
14%
Kubernetes k3s lightweight distro
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image Photo by Josh Rakower on Unsplash
, according to the README file, requires "half the memory, all in a binary less than 40MB" to run. By design, it is authored with a healthy degree of foresight by the people at Rancher [3]. The GitHub page [4
14%
Asynchronous PostgreSQL
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Fesus Robert, 123RF.com
=$dbh->prepare('select burncpu(?)'); 12 $sth->execute((($ENV{QUERY_STRING}+0) || .5).'s'); 13 14 while( my $row=$sth->fetchrow_arrayref ) { 15 print "@$row\n"; 16 } Workaround The script is simple, but the attentive
14%
Automate CentOS and RHEL installation with PXE
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Michael Kempf, Fotolia.com
_servers: - 10.42.0.10 - 10.42.0.11 dhcp_pxeboot_server: 10.42.0.12 The subnet must be a subrange of the subnet where the VM with the infrastructure services itself is located. However, when
14%
Network backups with Amanda
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Tommaso Lizzul, 123RF.com
. The holdingdisk section (lines 22 to 26) specifies the key data for such a holding disk. In Listing 1, Amanda is allowed to cache data in the /amanda/holding directory, where it can use a maximum of 50MB space; any
14%
TCP Stealth hides open ports
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © momo5287, 123RF.com
submitted his master's thesis on the subject of TCP Stealth in 2014 [12]. If you have been following the port knocking scenario for a few years, you might remember SilentKnock [13]. The project uses the same
14%
Thread processing in Python
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © Christos Georghiou, 123RF.com
= sol.copy() 10 11 for j in range(0,ny-1): 12 sol[0,j] = 10.0 13 sol[nx-1,j] = 1.0 14 # end for 15 16 for i in range(0,nx-1): 17 sol[i,0] = 0.0 18 sol[i,ny-1] = 0.0 19 # end for 20 21 # Iterate 22
14%
Program GUIs in Go with Fyne
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Santoshi Guruju on Unsplash
Creating a graphical user interface (GUI) with the Fyne framework [1] requires some preparation, including installing the GCC compiler and a graphics driver [2]. You will also need at least Go v1.12
14%
HDF5 and Parallel I/O
17.05.2017
Home »  HPC  »  Articles  » 
, 5 ) / ( 8, 5 ) }       DATA {       (0,0): 0, 1, 2, 3, 4,       (1,0): 5, 6, 7, 8, 9,       (2,0): 10, 11, 12, 13, 14,       (3,0): 15, 16, 17, 18, 19,       (4,0): 20, 21, 22, 23, 24,       (5,0): 25, 26, 27, 28, 29,       (6,0

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