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record size, (2) sequential read testing with 1MB record size, and (3) random write and read (4KB). In running these tests, I wanted to see what block layer information ioprof revealed.
The system I
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Huge DDoS Attack over HTTPS is Discovered and Stopped
The security company Cloudflare has announced that it detected and mitigated a 15.3 million request-per-second (rps) denial of service attack ... Huge DDoS Attack over HTTPS is Discovered and Stopped
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08.06.2012
More than 20 years having passed since its introduction, and HTTP certainly shows some signs of age. Google’s new SPDY protocol solves some problems with HTTP without breaking existing websites.
... version of Firefox. In just a few months, the final Version 11 of Firefox could include the SPDY code. The Google Chrome 11 browser uses SPDY by default if users access Google’s servers via SSL. To discover ...
More than 20 years have passed since its introduction, and HTTP certainly shows some signs of age. Google’s new SPDY protocol solves some problems with HTTP without breaking existing websites.
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21.12.2017
If you compile software on an expensive supercomputer, its a good idea to select the languages and compilers with particular care. We report on tried-and-proved tools used on Super ... inauguration in 2012, SuperMUC clocked in at around 3 PFLOPS and was once the fastest computer in Europe and the fourth fastest in the world. In the meantime, it is now in 40th place on the TOP500 list and has ...
If you compile software on an expensive supercomputer, its a good idea to select the languages and compilers with particular care. We report on tried-and-proved tools used on Super
24%
22.05.2012
/group_gz | 212 kB 00:00
Package flex-2.5.35-8.el6.x86_64 already installed and latest version
Package gcc-4.4.6-3.el6.x86_64 already installed and latest version
Package autoconf-2.63-5.1.el6.noarch
24%
30.11.2025
few years, including Amazon Elastic Compute Cloud (EC2), Amazon Simple Storage Service (S3), and JiffyBox. In the US, these vendors are joined by providers such as GoGrid, Rackspace, and Terremark ... addresses this issue by offering a standardized API for infrastructure as a service (IaaS) clouds.
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18.07.2013
buffered disk reads: 616 MB in
3.00 seconds = 205.03 MB/sec
$ hdparm -T /dev/sda
/dev/sda:
Timing cached reads: 6292 MB in
2.00 seconds = 3153.09 MB/sec
If this were a spinning disk, you would also
23%
22.08.2011
systems is John the Ripper (John). John is a free tool from Openwall. System administrators should use John to perform internal password audits. It’s a small (<1MB) and simple-to-use password ...
Easy to remember but difficult to guess isn’t just a catchy phrase for choosing passwords, it’s the law of the Net. Learn how to check your password using a tool network intruders use every day
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30.11.2025
/0K /s] [4137 /0 iops] [eta 00m:06s]
In the example, the first job is performing a sequential read, marked as r in square brackets, while Fio hasn't initialized the second job, marked as P
23%
15.04.2020
. According to the announcement at the ISC website, this year’s event, which was scheduled for June 22-24 will move to an online format that will be “free to everyone so the HPC community can benefit from it ...
Coronavirus concerns cause cancellation of Europe’s largest HPC event in favor of a digital alternative.
