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20%
Caching with CacheFS
07.07.2020
Home »  HPC  »  Articles  » 
: idx=138 dat=0 spc=0 Objects: alc=0 nal=0 avl=0 ded=0 ChkAux : non=0 ok=0 upd=0 obs=0 Pages  : mrk=0 unc=0 Acquire: n=138 nul=0 noc=0 ok=138 nbf=0 oom=0 Lookups: n=0 neg=0 pos=0 crt=0 tmo=0 Invals : n=0 run
20%
Network backups with Amanda
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Tommaso Lizzul, 123RF.com
starts at $500 for the server and $300 for each client. Backup via SSH Amanda backs up all the systems over the network in parallel. Admins typically launch Amanda via a cron job. The data transfer uses
20%
Posteo, Mailbox.org, Tutanota, and ProtonMail compared
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © Kirill Bodrov, 123RF.com
.org Tutanota ProtonMail Mailbox from EUR1 Yes/2GB Yes/2GB Free/1GB Free/500MB Storage space expansion Yes Yes Yes Currently
20%
Programming with OpenMP
07.11.2011
Home »  HPC  »  Articles  » 
     #pragma omp parallel for shared (sum) private (i) 12     for ( i=0; i < 1000000; i++) { 13         #pragma omp critical (sum_total) 14         sum = sum + a[i]; 15     } 16     printf("sum=%lf\n",sum); 17
20%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
[i]; 82 } 83 84 pi = ((double)finalcount/(double)finalniter)*4.0; //p = 4(m/n) 85 printf("Pi: %f\n", pi); //Print the calculated value of pi 86
20%
Tuning I/O Patterns in Fortran 90
04.12.2013
Home »  HPC  »  Articles  » 
3 type rec 4 integer :: x, y, z 5 real :: value 6 end type rec 7 8 integer :: counter 9 integer :: counter_limit 10 integer :: ierr 11 12 type (rec) :: my
20%
Warewulf Cluster Manager – Master and Compute Nodes
22.05.2012
Home »  HPC  »  Articles  » 
dhcp.x86_64 12:4.1.1-25.P1.el6_2.1 will be installed ---> Package mod_perl.x86_64 0:2.0.4-10.el6 will be installed --> Processing Dependency: perl(BSD::Resource) for package: mod_perl-2.0.4-10.el6.x86
20%
News for Admins
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
 
MySQL 9.0 Released The MySQL team has announced open source MySQL 9.0 (Innovation Release), along with the first update of the 8.4 LTS (8.4.1): https://dev.mysql.com/doc/relnotes/mysql/8.4/en ... In the news: MySQL 9.0 Released; NordVPN Launches File Checker Tool; Critical OpenSSH Vulnerability Affects Linux Systems; IT Pros See Shrinking Job-Related Benefits Despite Salary Increases; Top
20%
Look for Bottlenecks with Open|SpeedShop
21.12.2011
Home »  HPC  »  Articles  » 
module load openspeedshop-2.0.1 module load mvapich-1.1  (or other MPI implementation). If you run your application like this normally, mpirun –np 256 smg2000 –n 65 65 65  or this, srun -ppbatch -N 32
20%
New features in MariaDB 10.3
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image by Adarsh Kummur on Unsplash
# sudo apt-get install software-properties-common # sudo apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com:80 0xF1656F24C74CD1D8 # sudo add-apt-repository 'deb [arch=amd64,arm64,ppc64el] http://mirror.mva-n

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