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10%
Profiling Python code
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image ©-Yong Hian Lim, Fotolia.com
of code. Listing 1 Time to Execute import time start_time = time.time() # Code to check follows a, b = 1,2 c = a + b # Code to check ends end_time = time.time() time_taken = (end_time- start
10%
History and use of the mail utility
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Vlad Kochelaevskiy, fotolia.com
. As a guide, one well-known and widely adopted webmail provider currently limits 20MB as the outgoing file size for its SMTP, per email. I tend to be stricter and limit the size to 10MB on a smaller
10%
Warewulf 4 – Time and Resource Management
17.01.2023
Home »  HPC  »  Articles  » 
is working, boot the compute node and run timedatectl : $ ssh n0001 [laytonjb@n0001 ~]$ timedatectl                Local time: Sat 2022-12-17 11:31:26 EST            Universal time: Sat 2022-12
10%
Building a HPC cluster with Warewulf 4
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Andrew Ly on Unsplash
timedatectl $ ssh n0001 [laytonjb@n0001 ~]$ timedatectl Local time: Sat 2022-12-17 11:31:26 EST Universal time: Sat 2022-12-17 16:31:26 UTC RTC time: Sat 2022-12
10%
HPC Cloud Storage
20.11.2013
Home »  HPC  »  Articles  » 
. Therefore, if I’m going to back up my data to cloud storage, I want to make sure the data is encrypted. S3QL encrypts all data using a 256-bit AES key. An additional SHA-256 HMAC checksum protects the data
10%
Scientists Set New Record for Data Transfer Rate
29.11.2012
Home »  HPC  »  News  » 
 
During the recent SC12 supercomputing conference, a team of physicists, computer scientists, and network engineers led by the California Institute of Technology (Caltech) smashed their previous
10%
Apple Fixes Password-Related Bugs in iOS and Mac OS
21.12.2016
Home »  News  » 
 
OS device reads the password. Anyone in earshot can hear the password. Apple released an update on December 12 and admitted that a “nearby user may be able to overhear spoken passwords.” The update disabled
10%
Hackers Infected DC Police Cameras Before Trump’s Inauguration
31.01.2017
Home »  News  » 
 
said ransomware left police cameras unable to record between Jan. 12 and Jan. 15. The cyberattack affected 123 of 187 network video recorders in a closed-circuit TV system for public spaces across
10%
Dispatches from the world of IT
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
Cassandra v1.2 The Apache Software Foundation (ASF) has announced Apache Cassandra v1.2. The latest version of the Cassandra NoSQL database includes clustering across virtual nodes, internode communication
10%
Useful NFS options for tuning and management
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © gortan123, 123RF.com
that says RPCNFSDCOUNT, which tells you the number of NFS daemons for the server. If the NFS server has a large number of cores and a fair amount of memory, you can increase RPCNFSDCOUNT. I have seen 256

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