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22%
Sort out your SSH configs
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © saniphoto, fotolia.com
and the other on all IPv6 IP addresses. Listing 1 Checking Open Ports chris@DebianBox:~# lsof -i :22 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME sshd 3328 root 3r IPv4 33323 0t0 TCP *:ssh
22%
Build your own cloud with antMan
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Jorge Coromina on Unsplash
's website [1] and supply your email address to receive the link. The antMan package is about 3.1GB, and you should follow the normal steps to put the ISO file on a DVD or USB stick. Most servers today ship
22%
Professional backup solutions compared
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Kamil Macniak, 123RF
.6 v6.2 v5.0.3 v4.0 v7.0 Product Details Operating Systems (Server) Linux Asianux, CentOS, Debian, Fedora, openSUSE, RHEL, SLES 10, Ubuntu Fedora
22%
Modern Fortran for today and tomorrow
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © homestudio, 123RF.com
-1) = 0.25 * (a(1:n-2,2:n) + a(3:n,2:n) + a(2:n,1:n-2) + a(2:n,3:n)) Using forall, the same can be written as: forall (i=2:n-1, j=2:n-1) a(i,j) = 0.25*(a(i-1,j) + a(i+1,j) + a(i,j-1) + a(i,j+1
22%
Web Cryptography API
26.11.2013
Home »  Articles  » 
ability of web browsers to encrypt and decrypt application data using JavaScript, is currently under review by the World Wide Web consortium (W3C) as a draft. This promising technology reaches well beyond
22%
Managing Linux Filesystems
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Ulrich Krellner, 123RF.com
Standard Filesystems Distribution Filesystem Debian (from v7.0 wheezy) ext4 Ubuntu (from v9.04) ext4 Fedora (from v22) XFS SLES (from v12
22%
Gathering Data on Environment Modules
10.09.2012
Home »  HPC  »  Articles  » 
.own lib/atlas/3.8.4 mpi/mpich2/1.5b1-open64-5.0 module-cvs mpi/openmpi/1.6-gcc-4.4.6 [laytonjb@test1 ~]$ modules list No Modulefiles Currently Loaded. [laytonjb@test1
22%
NVMe-oF gears up to replace iSCSI
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Photo by Mathew Browne on Unsplash
been offering 400Gbps switches (Figure 2), with research targeting 800Gbps and more. Slow and Old Fashioned If you want systems to use Ethernet to access storage, they need a protocol
22%
Intrusion Detection with OSSEC
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Photo by Rayner Simpson on Unsplash
the documentation [3] when you are setting up and managing the system. In the following discussion, I concentrate on the free OSSEC version 3.7.0 install on Ubuntu 22.04. After the mandatory Linux update, install
22%
Border Gateway Protocol
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Lead Image © Rachael Arnott, 123RF.com
), as of 2023, a full BGP table on the Internet contained around 940,000 prefixes for IPv4 and 172,400 prefixes for IPv6. Routers therefore need to have a large amount of physical memory. ASNs in Practice

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