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21%
macOS file recovery and security
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Lead Image © Sgursozlu, Fotolia.com
If data loss under macOS is the result of defective hard drives, you need to adopt a structured approach for file recovery. Since macOS 10.15, the operating system has separated the system from
21%
The Resurrection of bWatch
02.06.2025
Home »  Articles  » 
Photo by NASA Hubble Space Telescope on Unsplash
 uptime  command to find the current time on the node, the number of users, how long the node has been up, and the 1-, 5-, and 15-minute load averages on the node. Isn’t it amazing how much information is contained
21%
Logger in HPC System Administration
07.07.2025
Home »  Articles  » 
at a predefined interval to give you an idea of the system status. For example, maybe you could gather the system load every 15 minutes with uptime  to get a very simplified view of the total system load. You could
21%
Centralized software repository management
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© 1xpert, 123RF.com
Role Information for super-users 11 +------------------------------------------+ 12 Name super-users 13 Users admin 14 Permissions: 15 / CREATE, READ
21%
Enterprise communication with IRC
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© anyka, 123RF.com
; 12 13 /* sendq: servers need a higher sendq as they send more data */ 14 sendq=2 megabytes; 15 }; Additionally, ircd.conf lacks a block that allows connections to other servers
21%
The Swiss Army knife of fault management
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Dmitry Rukhlenko, 123RF.com
12 The monitor is set up by /etc/opennms/poller-configuration.xml: 13 14 ... 15 17
21%
Monitoring virtualization environments with Nagios and Icinga
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Sergej Khackimullin, 123RF
CPU ZONE $ # 0 48 470M 482M 1.5% 4:05:57 0.0% global $ # 3 85 2295M 2369M 7.2% 0:36:36 0.0% refapp1
21%
PostgreSQL 9.3
04.02.2014
Home »  Articles  » 
 
  Total runtime: 175.403 ms 15 (6 rows) 16  17 EXPLAIN ANALYZE SELECT * FROM mail WHERE msg ~ '(updatable|views)'; 18                                                QUERY PLAN 19
21%
Getting Started with HPC Clusters
05.06.2013
Home »  HPC  »  Articles  » 
.99 $59.99 DVD +/-RW burner — 1 $14.99 $14.99 GigE network card — 1 $15.00 $15.00 Total — —  —  $247
21%
HPC Storage – I/O Profiling
26.01.2012
Home »  HPC  »  Articles  » 
)? Should I use InfiniBand for the compute node storage traffic or will GigE or 10GigE be sufficient? Do I use 15,000 rpm drives or should I use 7,200 rpm drives? Do I need SSDs (Solid State Disks)? Which

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