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33%
Endlessh and tc tarpits slow down attackers
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Yewkeo, 123RF.com
5221548db 58 seconds ago 5.67MB 80dc7d447a48 About a minute ago 167MB alpine 3.9 78a2ce922f86 5 months ago 5.55MB The command you really
33%
CPU affinity in OpenMP and MPI applications
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Lead Image © podfoto, 123RF.com
MiB L1i cache: 1 MiB L2 cache: 16 MiB L3 cache: 128 MiB NUMA node0 CPU(s): 0-63 Vulnerability Itlb multihit
33%
Profiling Python Code
09.12.2019
Home »  HPC  »  Articles  » 
.00%|    154|  12724500|      46.7333|   3.6727e-06|  3.09%|                d = 0.0    155|  50898000|      195.426|  3.83956e-06| 12.94%|                for k in range(0, d_num):    156
33%
Filesystem Murder Mystery
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Lucy Baldwin, 123RF.com
in mv ubuntu@aws:~/slow-mv$ strace -t mv 3GB.copy 3GB 19:00:09 execve("/bin/mv", ["mv", "3GB.copy", "3GB"], 0x7ffd0e7dddf8 /* 21 vars */) = 0 19:00:09 brk(NULL) = 0x55cd7d1ce000
33%
Tips and Tricks for Containers
12.05.2020
Home »  HPC  »  Articles  » 
dfb7330c6154b82f3a7e4724fb1b4475c0a95dfdd33",                 "sha256:6c01b5a53aac53c66f02ea711295c7586061cbe083b110d54dafbeb6cf7636bf",                 "sha256:e0b3afb09dc386786d49d6443bdfb20bc74d77dcf
33%
Processor and Memory Affinity Tools
14.09.2021
Home »  HPC  »  Articles  » 
 $(find /sys/devices/system/cpu -regex ".*cpu[0-9]+/topology/thread_siblings_list") | sort -n | uniq 0,32 1,33 2,34 3,35 4,36 5,37 6,38 7,39 8,40 9,41 10,42 11,43 12,44 13,45 14,46 15,47 16,48 17,49 18,50 19,51 20,52 21,53 22,54 23,55 24,56 25
33%
Automation Scripting with PHP
16.10.2012
Home »  Articles  » 
 
bytes:215392635 (215.3 MB) TX bytes:1759757 (1.7 MB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK
33%
Visualizing containers with clarity
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Ulrich Müller, 123RF.com
-line operations. To install Dockly [3], you can choose one of two routes: with npm (see the "Installation by npm" box for that route) and in a Docker container. For context, on my laptop, about 43MB of file space
33%
Backups using rdiff-backup and rsnapshot
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Dmitry Pichugin, Fotolia.com
DestinationSizeChange 41943106 (40.0 MB) Another view of the file statistics lists which file effected the change: # gunzip -c /mnt/backup/rdiff-backup-data/file_statistics.\ 2015-03-15T10\:44\:06+01\:00.data.gz | awk '$2
32%
Tuning ZFS for Speed on Linux
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © Wong Yu Liang, 123RF.com
on a local NVMe device: $ cat /proc/partitions|grep nvme 259 0 244198584 nvme0n1 259 3 97654784 nvme0n1p1 259 4 96679936 nvme0n1p2 I will be using partition 1 for the L2ARC read

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