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19%
Performance Health Check
13.06.2022
Home »  HPC  »  Articles  » 
be turned on and off according to what you want to check about the state of the node. Almost 20 years ago, when I worked for a Linux high-performance computing (HPC) company that no longer exists, We had
19%
Proactive Monitoring
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Tom Wang, 123RF.com
(streams 22 (default :ttl 60 23 ; immediate indexing of all incoming events: 24 index 25 26 ; Forward errors, sorted by tags: 27 (where (state "error") 28 (where (tagged
19%
Many Clouds, One API
22.08.2011
Home »  Articles  » 
 
if state[inst.id] 22 puts "#{inst.id} changed from #{state[inst.id]} to #{inst.state}" 23 else 24 puts "#{inst.id} was created and is now #{inst.state}" 25 end 26 state[inst.id] = inst
19%
A standard cloud computing API
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
total = summary.values.inject(0) { |sum, i| sum += i } 12 puts "Found #{total} instances in the following states:" 13 summary.keys.sort.each do |s| 14 printf "%20s %d\n", s, summary[s] 15 end 16 puts
19%
Network Grep
26.11.2012
Home »  Articles  » 
 
to your command lines. If you’re concerned about email traffic and need to watch all TCP traffic closely using the SMTP port, then you could construct a command line such as: # ngrep -d any port 25 Here
19%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
Example # iostat -xmt 1 /dev/sda Linux 3.16.7-21-desktop (tweedleburg) 08/07/15 _x86_64_ (8 CPU) 08/07/15 17:25:13 avg-cpu: %user %nice %system %iowait %steal %idle 1
19%
Get the best out of your bandwidth with tc
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Russell Shively, 123RF.com
25Mbit allot 1514 cell 8 weight 2500Kbit prio 3 \maxburst 20 avpkt $PKT bounded 16 # Now add filters to your child class 17 tc filter add dev $DEV protocol ip parent 1:0 prio 100 u32 match ip $DIR 12
19%
SHA-3 – The new hash standard
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Warakorn Harnprasop, 133RF.com
enable TLS 1.2 – given OpenSSL 1.0.1 and a recent 2.2 or 2.4 version of the Apache web server – using the SSLProtocol configuration option. Listing 1 provides a potential server configuration. Listing
19%
SmartOS as a virtualization platform
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Paulus NR, 123RF.com
"nics": [ 16 { 17 "nic_tag": "admin", 18 "model": "virtio", 19 "ip": "dhcp", 20 "primary": 1 21 } 22 ] 23 } You can use this option for Windows virtual machines
19%
Safeguard and scale containers
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © cepixx, 123RF.com
], Calico [19], Canal [20], and Open vSwitch [21]. The API server lets you read the details of the services with the kubectl get service command, which connects the services with a load balancer [22

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