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91%
Supercomputing Conference 2024
26.01.2025
Home
»
Archive
»
2025
»
Issue 85: Monit...
»
SC24 took place in Atlanta, GA, November 17-
22
. As I'm writing this, 17,959 attendees – that's 3,
000
+ more than last year – registered. More than 500 companies filled the exhibition floor, which
91%
Checking password complexity with John the Ripper
30.11.2025
Home
»
Archive
»
2011
»
Issue 6: Perfor...
»
c/s virtual 12
13
Benchmarking: OpenBSD Blowfish (x32) [32/64 X2]... DONE 14 Raw: 723 c/s real, 723 c/s virtual 15 16 Benchmarking: Kerberos AFS DES [48/64 4K]... DONE 17 Short: 378501 c/s real
91%
Maatkit tools for database administrators
30.11.2025
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»
2010
»
Issue 2: Backup...
»
sprzblog mysql limesurvey -uroot -ppassword > backup.sql will take 21 seconds to complete: real 0m21.626s user 0m0.
000
s sys 0m0.
000
s In the case of larger databases on non-replicated servers
90%
I/O benchmarks with Fio
30.11.2025
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2011
»
Issue 5: Pen Te...
»
]
13
rw=randread 14 runtime=60 15 16 [sequentialread] 17 stonewall 18 rw=read 19 runtime=60 20 21 [randomwrite]
22
stonewall 23 rw=randwrite 24 runtime=60 25 26 [sequentialread] 27 stonewall 28 rw
89%
Expand your sphere with a piece of Google
30.11.2025
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»
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»
2011
»
Issue 4: Secure...
»
data in the datastore. A maximum 2,
000
email messages dispatched per day. Applications unreachable at a fixed IP address. If you exceed any of these limits, Google stops further access
88%
Monitoring KVM instances with Opsview
30.11.2025
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»
2012
»
Issue 07: Xen v...
»
for the KVM host: Connectivity (LAN) Unix load RAM/Swap load Storage utilization SSH availability (typically on port
22
) Optional extensions: If you use libvirt, you can check
88%
Overview of cloud platforms and appliances
30.11.2025
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»
2010
»
Issue 2: Backup...
»
No + + ++ No ++ 67 Strato MultiServer Yes No No No No No + - + No -
22
Microsoft Azure No (similar elastic IP
87%
Getting started with I/O profiling
30.11.2025
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»
Archive
»
2012
»
Issue 08: FreeNAS
»
InfiniBand for the compute node storage traffic or will GigE or 10GigE be sufficient? Should I use 15,
000
rpm drives or 7,200rpm drives? Do I need SSDs (solid state drives)? Which filesystem should I use
87%
High availability clustering on a budget with KVM
30.11.2025
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2010
»
Issue 0: Active...
»
06 I_T nexus information: 07 LUN information: 08 LUN: 0 09 Type: controller 10 SCSI ID: deadbeaf1:0 11 SCSI SN: beaf10 12 Size: 0
13
87%
vSphere 5 vs. XenServer 6
30.11.2025
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»
2012
»
Issue 07: Xen v...
»
. The smallest configuration "Essentials Kit" is for three hosts (without HA) with two CPUs each and 192GB of VRAM: ~US$ 500 dollars plus US$ 65 or 300 dollars annual support. Prices range up to US$
22,000
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