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A self-healing VM system
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © THISSATAN KOTIRAT , 123RF.com
with timeout 15 seconds 03 if status != 0 for 3 cycles then exec "/usr/bin/ansible-playbook rebuild_node.yml" 04 if status != 0 for 3 cycles then exec "/usr/bin/mail -s 'Node 5 ping failed
10%
Programming with Go
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Dimitar Dimitrov, 123RF.com
, Russ Cox joined the Go project, and the work went forward a little faster. In November 2009, the team finally presented the first public release of the Go compiler. In March 2012, version 1.0
10%
Developing RESTful APIs
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © bowie15, 123RF.com
api.raml 01 #%Raml 0.8 02 title: Contacts 03 version: 0.1 04 #baseUri: http://www.rve.com/contactshelf 05 baseUri: https://mocksvc.mulesoft.com/mocks/d4c4356f-0508-4277-9060-00ab6dd36e9b
10%
Multicore Processing in Python
22.08.2017
Home »  HPC  »  Articles  » 
library, Parallel Python, variations on queuing systems such as 0MQ (zeromq ), and the mpi4py bindings of the Message Passing Interface (MPI) standard for writing MPI code in Python. Another cool aspect
10%
Proactive Monitoring
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Tom Wang, 123RF.com
-server"})) 06 07 ; Enable all interfaces for TCP, UDP and websockets: 08 (let [host "0.0.0.0"] 09 (tcp-server {:host host}) 10 (udp-server {:host host}) 11 (ws-server {:host host})) 12 13 ; Clean up events
10%
Managing Logs
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Photo by Conny Schneider on Unsplash
, then updating the package lists and installing MongoDB (Listing 1). Listing 1 Setting Up MongoDB sudo apt install gnupg curl curl -fsSL https://www.mongodb.org/static/pgp/server-8.0.asc -o server-8.0
10%
New in PostgreSQL 9.3
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Nuno Andre, 123RF.com
-> Bitmap Index Scan on mail_msg_idx (cost=0.00..128.03 rows=4 width=0) 12 (actual time=34.925..34.925 rows=1650 loops=1) 13 Index Cond: (msg ~ '(updatable|views)'::text) 14 Total runtime: 175
10%
Combining Directories on a Single Mountpoint
19.05.2014
Home »  HPC  »  Articles  » 
write test using IOzone using the same command line for both NFS and SSHFS: ./iozone -i 0 -r 64k -s 16G -w -f iozone.tmp > iozone_16G_w.out The command only runs the sequential write and re-write tests
10%
Bare metal deployment with OpenStack
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Photo by Anatolii Nesterov on Unsplash
: "16" name: "node1" # ipmitool -H -U -P raw 0x30 0x21 | tail -c 18 | sed 's/ /:/g' To avoid the password specified here appearing in the process list and history
10%
Haskell framework for the web
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Photo by Aidas Ciziunas, Unsplash.com
into the compiler (Haskell is type safe) makes attacks time-consuming or impossible, and SQL and JavaScript injections unlikely. Additionally, the Glasgow Haskell Compiler (GHC) [6], version 1.0 of which has existed

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