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15%
Getting started with Prometheus
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Clay LeConey on Unsplash
. As the name suggests, PromQL is a query language that can be employed to extract information from the Prometheus TSDB. A common structure is the use of a metric name (a value) together with one or more labels
15%
Operating systems for the cloud and containers
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © leeavison, 123RF.com
to manage them disappeared. Container Linux ruthlessly replaces the entire /usr directory instead of individual files (Figure 3). The main work is handled by Linux containers à la Docker [20], or Rkt [21
15%
Process, Network, and Disk Metrics
26.02.2014
Home »  HPC  »  Articles  » 
 def    # # Routine to add commas to a float string # def commify3(amount):     amount = str(amount)     amount = amount[::-1]     amount = re.sub(r"(\d\d\d)(?=\d)(?!\d*\.)", r"\1,", amount)     return amount[::-1
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%
Kubernetes clusters within AWS EKS
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Zlatko Guzmic, 123RF.com
IP address of the cluster. Listing 3 Running Pods $ kubectl get pods -A NAMESPACE NAME READY STATUS RESTARTS AGE kube-system aws-node-96zqh
15%
Network backups with Amanda
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Tommaso Lizzul, 123RF.com
as the user name. Amanda versions before 3.3.9 have a vulnerability that lets this user execute arbitrary code with root privileges. A (manual) upgrade to version 3.3.9 is only necessary if you don't trust
15%
Secure containers with a hypervisor DMZ
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © lightwise, 123RF.com
=kata-fc -itd --name=kata-fc busybox sh d78bde26f1d2c5dfc147cbb0489a54cf2e85094735f0f04cdf3ecba4826de8c9 $ pstree|grep -e container -e kata |-containerd-+-containerd-shim-+-firecracker---2*[{firecracker
15%
Let the editor wars begin!
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Kirill Makarov, 123RF.com
editor such as Vi or Emacs have adopted the easiest CLI editor they could find. Figure 3: Nano 2.0.9 on CentOS 6.8. Nano was released in 1999 as free
15%
Network monitoring with Icinga and Raspberry Pi
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © AndreaDanti, 123RF.com
use generic-service 21 host_name w2k12srv 22 service_description Memory Usage 23 check_command check_nt!MEMUSE!-w 80 -c 90 24 } 25 define service{ 26
15%
Automated Azure Kubernetes Service cluster builds
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Kittipong Jirasukhanont, 123RF.com
-nodepool1-39945963-vmss000000 Ready agent 14m v1.27.7 10.224.0.4 Ubuntu 22.04.3 LTS 5.15.0-1051-azure containerd://1.7.5-1 You can see an internal IP address, the version of the Ubuntu Linux node

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