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19%
Program GUIs in Go with Fyne
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Santoshi Guruju on Unsplash
import ( 04 "crypto/md5" 05 "crypto/sha1" 06 "crypto/sha256" 07 "crypto/sha512" 08 "encoding/hex" 09 "hash" 10 "io" 11 "log" 12 "os" 13 ) 14 15 func genChecksum(file, hashfunc string
19%
Linux device mapper writecache
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © lightwise, 123R.com
: (groupid=0, jobs=1): err= 0: pid=7055: Sat Oct 12 19:09:53 2019 write: IOPS=34.8k, BW=136MiB/s (143MB/s)(9.97GiB/75084msec); 0 zone resets [ ... ] Run status group 0 (all jobs): WRITE: bw=136MiB/s (143MB
19%
CPU affinity in OpenMP and MPI applications
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Lead Image © podfoto, 123RF.com
allocation to node 1, use: ----------------text09 $ numactl --physcpubind=+0-4,8-12 --preferred=1 application.exe This policy can be useful if you want to keep application.exe running, even if no more
19%
The Aurora Mesos Framework
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © Anton Gvozdikov, 123RF.com
resources = Resources(cpu = 0.1, ram = 20*MB, disk = 20*MB), 09 processes = [hello_world_process]) 10 11 hello_world_job = Job( 12 cluster = 'test', 13 role = os.getenv('USER'), 14 task = hello
19%
A closer look at hard drives
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Lucy Baldwin, 123RF
buffered disk reads: 616 MB in 3.00 seconds = 205.03 MB/sec $ hdparm -T /dev/sda /dev/sda: Timing cached reads: 6292 MB in 2.00 seconds = 3153.09 MB/sec If this were a spinning disk, you would also
19%
S3QL filesystem for cloud backups
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © stylephotographs, 123RF.com
metadata tables... 08 Dumping metadata... 09 ..objects.. 10 ..blocks.. 11 ..inodes.. 12 ..inode_blocks.. 13 ..symlink_targets.. 14 ..names.. 15 ..contents.. 16 ..ext_attributes.. 17 Compressing and uploading
19%
Routing with Quagga
19.02.2013
Home »  Articles  » 
 interface eth3 09  ip ospf message-digest-key 1 md5 hallo123 10 ! 11 ! 12 router ospf 13  redistribute connected 14  network 172.16.1.0/24 area 0.0.0.0 15  network 172.17.0.0/ 16 area 0.0.0.016  network 192
19%
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
18%
Linux Writecache
19.11.2019
Home »  HPC  »  Articles  » 
 (f=1): [w(1)][100.0%][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=7055: Sat Oct 12 19:09:53 2019   write: IOPS=34.8k, BW=136MiB/s (143MB/s)(9.97GiB/75084msec); 0 zone resets [ ... ] Run
18%
Ansible collections simplify AIX automation
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Lead Image © alexutemov, 123RF.com
/.ansible/collections:/usr/share/ansible/collections executable location = /usr/bin/ansible python version = 3.11.2 (main, Feb 17 2023, 09:48:02) [GCC 8.5.0 20210514 (Red Hat 8.5.0-18)] (/usr/bin/python3.11) jinja version = 3.1.2 libyaml = False

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