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  • [x] Creation time: Last three months
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  • Article (Print) (45)
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46%
The fine art of allocating memory
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
irrespective of actual system capacity, because the memory is only being allocated, not used. It will then run into the limits of process address space, hitting a wall at 3056MB of allocation; the maximum
46%
Maatkit tools for database administrators
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
tiero, 123RF
sprzblog mysql limesurvey -uroot -ppassword > backup.sql will take 21 seconds to complete: real 0m21.626s user 0m0.000s sys 0m0.000s In the case of larger databases on non-replicated servers
45%
Storage system with OpenSolaris and Comstar
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Aleksandr Fomenkov, 123RF.com
su # echo 192.168.1.200 > /etc/hostname.e1000g0 In this example, e1000g0 is the primary network interface. The following command lists the network interfaces: # ifconfig -a You have to add ... 0
45%
Get the best out of your bandwidth with tc
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Russell Shively, 123RF.com
these servers send more information out to the Internet than they receive (like a typical web server). I'm going to assume that, in this case, the Internet-facing network interface is eth0. In other words, when
45%
Virtualization with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
than 0 (Figure 3). If not, either the processor doesn't support the special commands, or the commands have been disabled in the computer's BIOS. Users with Intel processors can additionally check
45%
Network backup with Burp, Obnam, and Backshift
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Sergey Peterman, 123RF.com
can exclude files of a certain size (e.g., those of 0MB). The Burp configuration language also provides two size parameters: min_file_size and max_file_size; for example: min_file_size = 0 Mb
45%
Comparing 5 to 50TB NAS storage boxes
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Franck Boston, fotolia.com
disks. They dubbed their system RAID (Redundant Array of Inexpensive Disks). The original publication http://1 described RAID levels 1 through 5. Today, we also have RAID levels 0 and 6 and still higher
45%
Introduction to LVM
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Dvarg, 123RF.com
this writes an LVM label and some metadata to the PV. The PV is divided up into units of the same size (4MB by default) known as physical extents (PEs). A PE is the smallest allocatable data volume. Figure 1
45%
Linux filesystem performance tested
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© nyul, 123rf.com
appliance (see the "Test Hardware" box) with eight fast disks in a RAID level 0 array with a stripe size of 64KB. The RAID is divided into an SSD array and an HDD array with identical partitions on both
45%
Managing virtual infrastructures with oVirt 3.1
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Kheng Ho Toh, 123RF.com
based on Windows. Bye-Bye Windows Although the Red Hat developers ported all the components of the management component, RHEV-M, from C# to Java in RHEV 3.0 [1], use of the Administrator Console

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