Admin Magazine
 
  • News
  •  
  • Articles
  •  
  • Tech Tools
  •  
  • Subscribe
  •  
  • Archive
  •  
  • Whitepapers
  •  
  • Digisub
  •  
  • Write for Us!
  •  
  • Newsletter
  •  
  • Shop
  • DevOps
  • Cloud Computing
  • Virtualization
  • HPC
  • Linux
  • Windows
  • Security
  • Monitoring
  • Databases
  • all Topics...
Search
Login
ADMIN Magazine on Facebook
GooglePlus

Search

Refine your search
Sort order
  • Date
  • Score
Content type
  • Article (Print) (302)
  • Article (112)
  • News (2)
  • Blog post (1)
Keywords
Creation time
  • Last day
  • Last week
  • Last month
  • Last three months
  • Last year

« Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ... 42 Next »

22%
I/O Profiling at the Block Level
27.08.2014
Home »  HPC  »  Articles  » 
was the sequential write test using 1MB record sizes: ./iozone -i 0 -c -e -w -r 1024k -s 32g -t 2 -+n > iozone_write_1.out To gather the block statistics, I ran ioprof in a different terminal window before I ran
22%
Understanding Layer 2 switch port security
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Taffi, Fotolia.com
) win 512 a:60:b2:3d:fc:af d3:7c:5b:36:4a:61 0.0.0.0.17578 > 0.0.0.0.4432: S 727135709:727135709(0) win 512 18:75:26:4c:a8:23 10:81:2a:12:e1:be 0.0.0.0.42271 > 0.0.0.0.61161: S 1071867223:1071867223(0
22%
Arp Cache Poisoning and Packet Sniffing
05.09.2011
Home »  Articles  » 
 
can see how the arp cache poisoning works: $ sudo nemesis arp -v -r -d eth0 -S 192.168.1.2 \ -D 192.168.1.133 -h 00:22:6E:71:04:BB -m 00:0C:29:B2:78:9E \ -H 00:22:6E:71:04:BB -M 00:0C:29:B2:78:9E
22%
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
22%
Asynchronous PostgreSQL
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Fesus Robert, 123RF.com
=$dbh->prepare('select burncpu(?)'); 12 $sth->execute((($ENV{QUERY_STRING}+0) || .5).'s'); 13 14 while( my $row=$sth->fetchrow_arrayref ) { 15 print "@$row\n"; 16 } Workaround The script is simple, but the attentive
22%
Top Top-Like Tools
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
. The second number is percent CPU load from the system (0.3%sy), and the next is percentage of jobs that are "nice" [2] (0.0%ni). After that, Top lists percent overall CPU time idle (86.3%id; four real cores
22%
Improving performance with environment variables
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © sgame, fotolia.com
,048 0.776039 22.137891 1.612694 10.652902 0.199173 86.256026 0.455025 37.755903 4,096 5.855209 23.472936 12.275261 11
22%
Thread processing in Python
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © Christos Georghiou, 123RF.com
= sol.copy() 10 11 for j in range(0,ny-1): 12 sol[0,j] = 10.0 13 sol[nx-1,j] = 1.0 14 # end for 15 16 for i in range(0,nx-1): 17 sol[i,0] = 0.0 18 sol[i,ny-1] = 0.0 19 # end for 20 21 # Iterate 22
22%
Managing Storage with LVM
07.11.2023
Home »  HPC  »  Articles  » 
PVs and outputs one line per PV with succinct information: $ sudo pvscan   PV /dev/sdb1                      lvm2 [<1.82 TiB]   Total: 1 [<1.82 TiB] / in use: 0 [0   ] / in no VG: 1 [<1.82 TiB] Notice
22%
Data Compression as a CPU Benchmark
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © Lucy Baldwin, 123RF.com
Compiler: Apple LLVM 12.0.5 (clang-1205.0.22.9) GCC 4.2.1 CLANG 12.0 Darwin : 20.4.0 : Darwin Kernel Version 20.4.0: PageSize:16KB Apple M1 8C8T RAM size: 16384 MB, # CPU hardware threads: 8 RAM usage

« Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ... 42 Next »

Service

  • Article Code
  • Contact
  • Legal Notice
  • Privacy Policy
  • Glossary
    • Backup Test
© 2025 Linux New Media USA, LLC – Legal Notice