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Creating RAID systems with Raider
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
©Slawomir Kruz, 123RF.com
several disks and RAID systems to levels 4, 5, 6, and 10, given the required number of disks (see Table 1). Table 1 RAID Level Minimum Configurations Level Min. No. of Disks
10%
Monitoring with Zabbix
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Les Cunliffe, 123RF.com
the repositories of many distributions – for example, Ubuntu 11.04 includes version 1.8.5. Besides Linux, Zabbix also supports Solaris, AIX, HP-UX, FreeBSD, and OpenBSD on the server side. An agent only is available
10%
Identify troublesome energy consumers with PowerTOP
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Elena Elisseeva, 123RF.com
Ubuntu users will need both the libncurses5-dev package and its sibling libncursesw5-dev. However, openSUSE, gives you everything you need in the ncurses-devel package bundle. To compile and install Power
10%
Intruder Detection with tcpdump
28.11.2011
Home »  Articles  » 
 
are the same as decimal 18. This command searches for packets with this type of data in byte 13: # tcpdump -n -r dumpfile.lpc -c 10 'tcp[13] == 18' and host 172.16.183.2 Figure 5 is an example of what
10%
HPC Storage strace Snippet
26.01.2012
Home »  HPC  »  Newsletter  »  2012-02-01 HPC...  » 
 
/O Function Command Count   Command     Count   lseek 3,848 close 72 open 77 write 35,369 getdents 8 access 5
10%
HPC Storage strace Snippet
15.02.2012
Home »  HPC  »  Newsletter  »  2012-02-15 HPC...  » 
 
/O Function Command Count   Command     Count   lseek 3,848 close 72 open 77 write 35,369 getdents 8 access 5
10%
Office 365 vs. Google Apps
19.01.2012
Home »  Articles  » 
 
, which you can assign via the administration dashboard after registering with Google Apps (Figure 5). Like Office 365, Google requires you to legitimize by creating a DNS record
10%
Rethinking RAID (on Linux)
16.03.2021
Home »  HPC  »  Articles  » 
) and then view the status (Listing 4) and details (Listing 5) of the RAID volume. Listing 3: Create a Mirrored Volume $ sudo mdadm --create /dev/md0 --level=1 --raid-devices=2 /dev/sdc1 /dev/sdd1 mdadm: Note
10%
New Monitoring Tools
14.04.2021
Home »  HPC  »  Articles  » 
(-00:05:34) , or 5 minutes, 34 seconds in the past. The advantage of scrolling back in time is the ability to save system performance data. By default, Zenith records data at two-second intervals. I
10%
Digital asset management
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Claudia, Fotolia.com
. Approximately 5,000 photos in JPEG, PNG, and Nikon RAW (NEF codec) formats and a few documents (PDF, LibreOffice Writer, and MS Word) were moved onto the servers in the test. In some cases, the images contained

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