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16%
High availability for RESTful services with OpenStack
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Ying Feng Johansson, 123RF.com
/haproxy/www.example.com.pem 22 mode http 23 option httpclose 24 option forwardfor 25 reqadd X-Forwarded-Proto:\ https 26 default_backend web_server 27 28 backend web_server 29 mode http 30 balance roundrobin 31
16%
Profiling application resource usage
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© fauxware, fotolia.com
], among others online. Also, a nice GUI for interacting with OProfile, called Visual OProfile [22], comes with a distribution called STLinux, but I can't tell whether it's open source or not (little
16%
Production-ready mini-Kubernetes installations
27.09.2024
Home »  Archive  »  2024  »  Issue 83: Storage  » 
Lead Image © Goran Bogicevic, Fotolia.com
virtual instance for development and test purposes on which to carry out the work. Again, Ubuntu 22.04 is a good choice. The steps are quickly completed: Use curl to download the k0s binary, which you
16%
Kick-start your AI projects with Kubeflow
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Lead Image © austler, 123RF.com
the required cluster in just a few minutes. The following example assumes that all commands are run on Ubuntu 22.04, but most of the commands will probably work on other distributions with just a few minor
16%
Managing virtual infrastructures with oVirt 3.1
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Kheng Ho Toh, 123RF.com
, 50GB of memory, and a 1Gb NIC. However, the CPU must be a 64-bit system with a mandatory virtualization extension: either AMD-V or Intel VT. In contrast to RHEV 2.2, RHEV 3 is no longer based on RHEL
16%
Reading and understanding database execution plans
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Gunnar Pippel, 123RF.com
----------------------------------------------------------------- 21 22 Predicate Information (identified by operation id): 23 --------------------------------------------------- 24 1 - access("S"."EMPLOYEE_ID"="E"."EMPLOYEE_ID") 25 2 - filter<+>5<+>( "S
16%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Daniela Mangiuca, 123RF.com
_copied=copy_to_user(user,hello_world,to_copy); 19 return to_copy-not_copied; 20 } 21 22 static struct file_operations fops = { 23 .owner= THIS_MODULE, 24 .read= driver_read, 25 }; 26 27 static int __init mod_init( void ) 28 { 29
16%
Taking that Unix and Linux feeling tothe Windows desktop with MobaXterm
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Henner Damke, 123RF.com
://mobaxterm.mobatek.net/download.html MobaXterm plugins: http://mobaxterm.mobatek.net/plugins.html "SSH Tricks" by Thomas Drilling, Linux Pro Magazine , March 2012, pp. 14-22 Cygwin: http://www.cygwin.com Cygwin patch for Pu
16%
An IP-based load balancing solution
30.11.2025
Home »  CloudAge  »  Articles  » 
arsgera, 123RF
use_regex = 0 22 load_monitor = rup 23 scheduler = rr 24 protocol = tcp 25 timeout = 6 26 reentry = 15 27 quiesce_server = 1 28 server webserver1 { 29 address
16%
A standard cloud computing API
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
"Polling for changes (Ctrl-C to end)" 17 loop do 18 sleep 2 19 client.instances.each do |inst| 20 if state[inst.id] != inst.state 21 if state[inst.id] 22 puts "#{inst.id} changed from

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