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15%
Many Clouds, One API
22.08.2011
Home »  Articles  » 
 
.keys.sort.each do |s| 14 printf "%20s %d\n", s, summary[s] 15 end 16 puts "Polling for changes (Ctrl-C to end)" 17 loop do 18 sleep 2 19 client.instances.each do |inst| 20 if state[inst.id] != inst.state 21
15%
Secure remote connectivity with VS Code for the Web
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Lead Image © fckncg, 123RF.com
): ssh-keygen -t ed25519 -a 100 -f ubuntu-sre-id_ed25519 -q -N 2. Copy the SSH public key data on the target server to the authorized_keys file in the $HOME/.ssh directory. You can use the secure copy
15%
Coordinating distributed systems with ZooKeeper
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © smileus, 123RF.com
of the naming, grouping, or configurations of the menagerie. Thanks to ZooKeeper [1], which is available under the Apache 2.0 license, not every cluster has to provide a synchronization service itself
15%
Finding Memory Bottlenecks with Stream
25.09.2013
Home »  HPC  »  Articles  » 
the code states should be good enough for caches up to 20MB. The Stream FAQ recommends you use a problem size such that each array is four times the sum of the caches (L1, L2, and L3). You can either change
15%
Tools to Manage Storage
03.02.2024
Home »  HPC  »  Articles  » 
                                938G  718G  173G  81% /home /dev/nvme0n1p1                                511M  6.1M  505M   2% /boot/efi /dev/sda1                                     5.5T  3.1T  2.1T  60% /home2 192.168.4.100:/home
15%
Monitor your network infrastructure with SNMP
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © lightwise, 123RF.com
.6.1.2.1.2.2.1.19 # ifOutErrors snmpwalk -v1 -Oqs -c $ROCOMMUNITY $HOST .1.3.6.1.2.1.2.2.1.20 } # Directory for logfiles LOGDIR="/home/falko/monitorlog" # community string ROCOMMUNITY="community" # date YEAR=$( date
15%
Setting up FreeNAS
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Franck, 123RF.com
NAS Early versions of FreeNAS originate from the embedded firewall project m0n0wall, and the software has since undergone a complete metamorphosis. The current version is built on powerful open source
15%
Warewulf 4 – GPUs
20.02.2023
Home »  HPC  »  Articles  » 
 the file /usr/local/bin/gpu_devices.sh  (Listing 6). Listing 6: /usr/local/bin/gpu_devices.sh #!/bin/bash   /sbin/modprobe nvidia   if [ "$?" -eq 0 ]; then   # Count the number of NVIDIA controllers found.   NVDEVS=`lspci | grep -i NVIDIA`   N3
15%
The Aurora Mesos Framework
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © Anton Gvozdikov, 123RF.com
resources = Resources(cpu = 0.1, ram = 20*MB, disk = 20*MB), 09 processes = [hello_world_process]) 10 11 hello_world_job = Job( 12 cluster = 'test', 13 role = os.getenv('USER'), 14 task = hello
15%
HPC Software Road Gets a Bit Smoother
10.09.2013
Home »  HPC  »  Articles  » 
are treated as single entities from an MPI viewpoint). The flexibility to run a program on N nodes (N ≥ 1 ), with C cores per node (C ≥ 1 ), and A accelerators per core (A ≥ 0 ) should be the goal of any ... New OpenMP 4.0 Spec

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