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29%
Developing RESTful APIs
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © bowie15, 123RF.com
=> 'sqlite3', 09 :database => 'contacts.sqlite' 10 ) 11 12 class Contact < ActiveRecord::Base 13 end 14 15 get '/contacts' do 16 @contacts = Contact.all 17 @response_message = {data: @contacts, success
29%
Automated OpenStack instance configuration with cloud-init and metadata service
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © jeka81, 123RF.com
: $ curl http://169.254.169.254/openstack 2012-08-10 2013-04-04 2013-10-17 2015-10-15 2016-06-30 2016-10-06 2017-02-22 To retrieve a list of supported versions for the EC2-compatible metadata API, enter
29%
Tuning ZFS for Speed on Linux
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © Wong Yu Liang, 123RF.com
NAME PROPERTY VALUE SOURCE myvol type filesystem - myvol creation Sat Feb 22 22:09 2020 - myvol used 471K
29%
Getting started with Prometheus
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Clay LeConey on Unsplash
in to the database server and create a user with the necessary permissions. The SQL queries are: CREATE USER 'exporter'@'%' IDENTIFIED BY 'mysecurepassword' WITH MAX_USER_CONNECTIONS 3; GRANT SLAVE MONITOR, PROCESS
29%
Interprocess communication essentials in Perl
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Carsten Reisinger, 123RF.com
Child Read and Write 01 Use IO::Handle; 02 03 pipe(READHANDLE, WRITEHANDLE); 04 05 WRITEHANDLE->autoflush(1); 06 READHANDLE->autoflush(1); 07 08 if ($processed = fork) { 09 close(READHANDLE); 10
29%
Update your Docker containers safely
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © yelenayemchuk, 123RF.com
this script, please let me know, preferably in Python 06 # hanscees@AT@hanscees.com 07 # modified from https://gist.github.com/cirocosta/17ea17be7ac11594cb0f290b0a3ac0d1x 08 09 set -o errexit 10 11 main() { 12
29%
Tuning ZFS for Speed on Linux
17.03.2020
Home »  HPC  »  Articles  » 
   PROPERTY              VALUE                  SOURCE myvol  type                  filesystem             - myvol  creation              Sat Feb 22 22:09 2020  - myvol  used                  471K                   - [ ... ] ARC Operating systems commonly
29%
Evaluating logfiles with Microsoft Log Parser Studio
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © Thomas Lammeyer, Fotolia.com
from systems such as the IIS, Microsoft Exchange ActiveSync, Exchange Web Services (EWS), or Outlook Web Access (OWA). Installation under .NET .NET Framework 4.x and Log Parser 2.2 [2] form the basis
29%
ZFS on Linux helps if the ZFS FUSE service refuses to work
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © Luis Louro, 123RF.com
in the form of a master boot record (MBR) or a GUID partition table (GPT) [3]. The tricks the expert used to revive RAID systems (Figure  1) did not help: Neither fdisk nor mmls – the forensic counterpart from
29%
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

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