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  • [x] Creation time: Last year
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81%
Tracing applications with OProfile and SystemTap
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© boing, Photocase.com
opcontrol --list-events oprofile: available events for CPU type "Core 2" See Intel Architecture Developer's Manual Volume 3B, Appendix A and Intel Architecture Optimization Reference Manual (730795-001) INST
81%
High-availability workshop: GFS with DRBD and Pacemaker
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Maxim Borovkov, 123RF.com
Resource 01 primitive p_filesystem ocf:heartbeat:Filesystem params 02 device="/dev/drbd/by-res/disk0/0" directory="/opt" fstype="gfs2" 03 op monitor interval="120s" meta target-role="Started" 04 clone cl
81%
Moving HPC to the cloud
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Zarko Cvijovic, 123RF.com
will provide sub-par performance. A deeper treatment of these issues can be found in a recent article called "Will HPC Work in the Cloud?" [3]. Finally, any remote computation scheme needs to address
80%
Managing FOSS applications on AIX
27.05.2025
Home »  Archive  »  2025  »  Issue 87: Light...  » 
Lead Image © Nataliia Natykach, 123RF.com
with the requested packages. The tool helps you avoid the well-known and feared RPM "dependency hell" problem [3]. DNF works with an existing software repository that contains RPM packages. The repository can
80%
Getting started with AI
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Lead Image © Lightwise, 123RF.com
.add(layers.BatchNormalization()) model.add(layers.Conv2D(32, (3,3), padding='same', activation='relu')) model.add(layers.BatchNormalization()) model.add(layers.MaxPooling2D(pool_size=(2,2))) model.add(layers.Dropout(0.3)) The next
80%
Denial of service defense
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Lead Image © Russell Shively, 123RF.com
with the -s 5000 option. The following call launches an attack against a TLS-protected server on port 443: python3 slowloris.py example.com -s 5000 --https -p 8443 You might notice a remarkable effect
80%
The fail2ban intrusion prevention framework
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Flavijus Piliponis, 123RF.com
the smoke and mirrors that some pieces of software employ to keep their workings secret, fail2ban is transparent in the work it does behind the scenes. In simple terms, fail2ban [3] keeps a close eye on your
80%
Julia: A new language for technical computing
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
.33 164.69 0.75 rand_mat_stat 3.37 39.34 11.64 54.54 22.07 8.12 rand_mat_mul 1.00 1.18 0.70 1.65 8
80%
Data acquisition with shell tools
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Dmitriy Syechin, 123RF
the records are destined for the expense or income accounts, and so on. The instruction sheet doesn't need to be a fixed form; instead, it must include keys, indexes, and shortcuts. Figure 3 shows where data
79%
Service Management Facility (SMF) in OpenSolaris
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Steve Cukrov, Fotolia.com
FMRI is milestone:/multi-user-server:default . To discover the current runlevel, use /usr/bin/who -r : /usr/bin/who -r . run-level 3 Jan 22 19:07 3 0 S In this example, the current runlevel is 3

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