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30%
How to configure and use jailed processes in FreeBSD
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Corina Rosu, 123RF.com
(pr->pr_path), 0); 17 [...] 18 error = copyinstr(j.hostname, 19 &pr->pr_host, sizeof(pr->pr_host), 0); 20 [...] 21 pr->pr_ip = j.ip_number; 22 pr->pr_linux = NULL; 23 pr->pr_securelevel = securelevel
30%
Parallel Shells: Run Commands on Multiple Nodes
02.07.2014
Home »  HPC  »  Articles  » 
 -----------memory---------- ---swap-- -----io---- --system-- -----cpu----- 192.168.1.250:  r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st 192.168.1.250:  0  0      0 7248836  25632  79268    0    0    14     2   22   21  0  0 99  0  0 192.168.1
30%
Modern Fortran – Part 2
15.12.2016
Home »  HPC  »  Articles  » 
are over i = 2,n − 1 and j = 2,n −1. Here is how you can write the iteration over the domain using array notation: a(2:n-1,2:n-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
30%
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
30%
A watchdog for every modern *ix server
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Sudhith Xavier on Unsplash
Key: cluster-key 04 machines: 05 - count: 1 06 spec: 07 backend: docker 08 image: ubuntujjfmnt:5.33.0 09 name: monit%d 10 privileged: true 11 portMappings: 12 - containerPort: 22 13
30%
Demystified: The facts about green IT
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Iakov Kalinin, 123RF
1 1 0 Backup 50 1 1 1 Network printer 100 1 0 0 File server 50 1 1 0
30%
TCP Stealth hides open ports
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © momo5287, 123RF.com
to the acknowledgement number (ACK). The use of the timestamp as a carrier is also conceivable. Listing 1 TCP Header 01 $ cat rfc793.txt 02 ... 03 0 1 2
30%
Managing virtual machines
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Igor Klimov, 123RF.com
VALUES ('$hostname', '$ip', 'A', 86400, $time, 1, 0)/; 21 } else { 22 $sql = qq/UPDATE records SET content = '$ip' WHERE name = '$hostname'/; 23 } 24 $sth->finish(); 25 $dbh->do($sql) or warn $dbh
30%
Automating development environments and deployment with Otto
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © baloncici, 123RF.com
happens transparently for the user, who has no contact at all with the tools. Otto is released under Mozilla Public License Version 2.0, and development is an open process on GitHub [6]. Otto has one
30%
Monitoring network computers with the Icinga Nagios fork
17.06.2011
Home »  Archive  »  2010  »  Issue 1: System...  » 
 
community needs more closely and to integrate patches more quickly. The first stable version, 1.0, was released in December 2009, and the version counter has risen every couple of months ever since. Icinga

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