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15%
A Btrfs field test and workshop
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Adrian Hillman, 123RF.com
0, 1, and 10 RAID level conversion on the fly Background process for detecting and correcting errors proactively ("scrubbing") Growing and shrinking a filesystem on the fly Defragmentation
15%
DNSSEC-aware DNS caching with Unbound
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Antonella Grandoni , Fotolia.com
are removed from DNS # answers. Additionally, the DNSSEC validator may mark the answers bogus. # This protects against DNS Rebinding private-address: 10.0.0.0/8 private-address: 172.16.0.0/12
15%
TCP Stealth hides open ports
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © momo5287, 123RF.com
_SECRET="Nuer fuer LM-Leser :-)" 04 KNOCK_LOGLVL=2 05 $ 06 $ LD_PRELOAD=/usr/local/lib64/libknockify.so ncat 127.0.0.1 -l 4242 07 setting loglvl to 2 08 Initializing hooks ... 09 Resolving symbol socket ... 10
15%
Machine learning and security
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Vlad Kochelaevskiy, 123RF.com
of 'days' 06 07 # function to produce base sine data 08 # with a 7th of the base frequency overlap 09 def data_w_weekend(t): 10 if np.sin(periods / 7 * 2 * np.pi * t) > 0.5: 11 value = 0.001 * np
15%
Managing Linux systems with Spacewalk
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © NASA
use strict; 04 use Exporter; 05 use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS); 06 07 $VERSION = 1.0; 08 @ISA = qw(Exporter); 09 @EXPORT = (); 10 @EXPORT_OK = qw
15%
Setting up an OpenNebula Cloud
05.09.2011
Home »  CloudAge  »  Articles  » 
 
STAT 03 0 open-nebula-wn 0 100 99 100 1068948 921356 on 04 1 open-nebula-wn2 0 100 12 100 1173072 1027776 on OpenNebula Configuration File You
15%
Accelerate web applications with Varnish Cache
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Aleksandr Frolov, 123RF.com
= 50ms; 07 .interval = 3s; 08 .window = 10; 09 .threshold = 8; 10 } 11 } 12 13 set beresp.grace = 12h; Changes on the Fly The reverse proxy not only delivers web pages
15%
How to configure and use jailed processes in FreeBSD
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Corina Rosu, 123RF.com
to jail>; 10 j.hostname = ; 11 j.ip_number = ; 12 /* call system call */ 13 i = jail(&j); 14 [...] 15 execv(, ...); 16 [...] 17 exit(0); 18
14%
Get Started with Parallel CPython
07.11.2011
Home »  HPC  »  Articles  » 
 core : ' + str(icore) 07  08 if '__main__' == __name__: 09  10     osrvr = Server() 11     ncpus = osrvr.get_ncpus() 12  13     djobs = {} 14     for i in xrange(0, ncpus): 15         djobs[i] = osrvr
14%
Understanding the Status of Your Filesystem
18.06.2014
Home »  HPC  »  Articles  » 
of the files when scanned and the current time. Table 7: Atime Age Intervals Interval (days) No. of Files % of Total Cumulative % 0–1 406 0.10 0.10 1–2

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