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24%
The Swiss Army knife of fault management
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Dmitry Rukhlenko, 123RF.com
, to monitoring and controlling complete systems. Identifying Services OpenNMS can automatically identify the services you need to monitor. In versions up to 1.8.x, this task is handled by the capabilities daemon
24%
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
24%
Improved Performance with Parallel I/O
24.09.2015
Home »  HPC  »  Articles  » 
that is 80% parallelizable (20% is serial, primarily because of I/O). For one process, the wall clock time is assumed to be 1,000 seconds, which means that 200 seconds is the serial portion of the application
24%
Improved Performance with Parallel I/O
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Ying Feng Johansson, 123RF.com
% parallelizable (20% is serial, primarily because of I/O). For one process, the wall clock time is assumed to be 1,000 seconds, which means that 200 seconds is the serial portion of the application. By varying
24%
Real-time log inspection
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © bowie15, 123RF
(Listing 4). Listing 4 JSON Output $ teler -i apache.log -c teler.yml --json /","status":"200","time_local":"07/Nov/2020:22:45:20 +0000"} {"body_bytes_sent":"5695","category":"Bad Crawler
24%
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
24%
OpenStack workshop, part 3:Gimmicks, extensions, and high availability
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© Steven Frame, 123RF
details about user authentication in Ceph, check out my CephX article published online [3]. Any host that needs to run Glance with a Ceph connection needs a working /etc/ceph/ceph.conf. Glance references
24%
Forensic main memory analysis with Volatility
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © Bruce Rolff, 123RF.com
return the output: Volatility Foundation Volatility Framework 2.6 Linuxbookx64 - A Profile for Linux book x64 If Volatility does not find the profile, the plugin directory may be incorrect. To search
24%
Darshan I/O Analysis for Deep Learning Frameworks
18.08.2021
Home »  HPC  »  Articles  » 
20.04 system. I had to install some packages for the postprocessing (darshan-util ) tools to work: texlive-latex-extralibpod-latex-perl Different distributions may require different packages. If you
24%
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

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