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25%
Using rsync for Backups
07.01.2014
Home »  Articles  » 
 
:/home/laytonjb/TEST/ laytonjb@192.168.1.250's password: sending incremental file list ./ HPCTutorial.pdf Open-MPI-SC13-BOF.pdf PrintnFly_Denver_SC13.pdf easybuild_Python-BoF-SC12-lightning-talk.pdf sent
25%
Warewulf 4 – Time and Resource Management
17.01.2023
Home »  HPC  »  Articles  » 
 to NTP server (162.159.200.123) at stratum 4    time correct to within 21 ms    polling server every 64 s Your output will not match this exactly, but you can see that it’s using an outside source to synchronize
25%
Building a HPC cluster with Warewulf 4
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Andrew Ly on Unsplash
the ntpstat utility on the head node and then running it: $ sudo yum install ntpstat $ ntpstat synchronised to NTP server (162.159.200.123) at stratum 4 time correct to within 21 ms polling server every
25%
HTML to database with a Perl script
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © Danila Krylov, 123RF.com
At work, I was tasked to come up with a solution to a problem presented by a web developer who needed some 1,200 static HTML files stripped of the HTML markup, leaving behind only text. Because 1,200
25%
Data Compression as a CPU Benchmark
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © Lucy Baldwin, 123RF.com
Compiler: Apple LLVM 12.0.5 (clang-1205.0.22.9) GCC 4.2.1 CLANG 12.0 Darwin : 20.4.0 : Darwin Kernel Version 20.4.0: PageSize:16KB Apple M1 8C8T RAM size: 16384 MB, # CPU hardware threads: 8 RAM usage
25%
Listing 1
21.08.2012
Home »  HPC  »  Articles  »  Warewulf 4 Code  » 
 
/primary_db                                                                                                         | 4.6 MB     00:02 rpmforge                                                                                                                | 1.9 kB     00:00 sl
25%
Serverless computing with AWS Lambda
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © joingate, 123RF.com
of the screen (I had to scroll up a bit), and I can expand the details to show the output, { "statusCode": 200, "body": "\"Hello from Lambda!\"" } which means the test worked. If you haven't created a test
25%
Managing Linux Memory
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © J.R. Bale, 123RF.com
application server. On a system in a stable state, throughput initially is not affected by file operations, but after a certain value (e.g., 16,384MB), performance collapses. As Figure 1 shows
25%
Secure your data channel with stunnel
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © Petr Vaclavek, 123RF.com
/share/doc/stunnel*/. The example in Listing 1 shows a very simple configuration that uses stunnel as a plain vanilla TLS client. Listing 1 Stunnel as a TLS Client ; global settings sslVersion = TLSv1.2 chroot = /var
25%
Linux device mapper writecache
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © lightwise, 123R.com
] test: (groupid=0, jobs=1): err= 0: pid=1225: Sat Oct 12 19:20:18 2019 write: IOPS=168k, BW=655MiB/s (687MB/s)(10.0GiB/15634msec); 0 zone resets [ ... ] Run status group 0 (all jobs): WRITE: bw=655Mi

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