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17%
Why Good Applications Don’t Scale
13.10.2020
Home »  HPC  »  Articles  » 
. Amdahl’s Law says the speedup is 1.00 (i.e., the starting point). Notice that as the number of processors increases, the wall clock time of the parallel portion decreases. The speedup a increases from 1.00
17%
From debugging to exploiting
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Maksim Kabou, 123RF.com
168 (gdb) p j $3 = 144 (gdb) c Breakpoint 2, Calc_vacf () at MD.o.c:671 671 vacf[j-i]=0; (gdb) p &j $6 = (int *) 0xffffc168 (gdb) p j $7 = 144 On the other hand, when dealing with the ELF
17%
Nine home clouds compared
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © inertia@intuitivmedia.net
.21 –   EUR5.95 EUR1.00 (with French VAT) EUR2.78 (half price as of year two) – $2.92 License(s) AGPL, commercial GPL, LGPL, AGPL Commercial GPLv3
17%
Script utilities in depth: grep, awk, and sed
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© jirkaejc, 123RF.com
. Here are some examples: _{3,} – Three or more consecutive underscores · {2,5} – Between two and five spaces in a row (where · is a space) (the·){2} – Two consecutive
17%
Storage monitoring with Grafana
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Gino Santa Maria, 123RF.com
access, so to change the configuration of devices over SNMP, you have to use the secure but more complex SNMPv3. To enable SNMPv2 on a Linux system, simply install the appropriate package with the SNMP
17%
Getting your virtual machine dimensions right
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Photo by ROCCO STOPPOLONI on Unsplash
have 26 cores or 52 hyperthreads per NUMA node for the VM. Figure 2 shows a four-socket server with 28 cores per socket and 6TB of RAM. Figure 2: A four
17%
Integrating FreeIPA with Active Directory
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © payphoto, 123RF.com
, these days, the System Security Services Daemon (SSSD) [2] is used most of the time in such scenarios. This approach, together with the software [3], is the simplest way to integrate Linux clients directly
17%
IPv6 security on IPv4-only networks
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © foottoo, 123RF.com
6105) [3] and DHCPv6-Shield [4]. These functions are implemented on switches and referred to as First Hop Security. SEND (Secure Neighbor Discovery) [5] is an approach that relies on cryptographically
17%
Network security in the Google Cloud Platform
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Jannet Serhan on Unsplash
access Cloud NAT is a managed service and, as such, offers high availability of at least 99.9 percent. It is also regionally resilient to zone failure. Figure 3 shows the use of Cloud NAT in a global
17%
ONIE and Cumulus Linux on a switch
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © Brian Kenney, 123RF.com
01 auto br0 02 iface br0 03 bridge-ports swp1 swp2 swp3 swp4 swp5 04 bridge-stp on Because the list would be pretty long for 52 ports, you can also do the following specify

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