I've created a Kubernetes cluster on AWS with kops and can successfully administer it via kubectl from my local machine. I can view the current config with kubectl config view as well as directly access the stored state at ~/.kube/config, such as: apiVersion: v1 clusters: - cluster: certificate-authority-data: REDACTED server: https://api.{CLUSTER_NAME} name: {CLUSTER_NAME} contexts: - context: cl
I'm reading "Hadoop The Definitive Guide" of 4th edition, and came across this explanation for YARN'S DRF (in Chapter 4, Dominant Resource Fairness) Imagine a cluster with a total of 100 CPUs and 10 TB of memory. Application A requests containers of (2 CPUs, 300 GB), and application B requests containers of (6 CPUs, 100 GB). A’s request is (2%, 3%) of the cluster, so memory is dominant since its p
I have a map-reduce java program in which I try to only compress the mapper output but not the reducer output. I thought that this would be possible by setting the following properties in the Configuration instance as listed below. However, when I run my job, the generated output by the reducer still is compressed since the file generated is: part-r-00000.gz. Has anyone successfully just compresse
I have Django Version 1.7 and Python Version 2.7.5 - I used pip install simplejson and apt-get install python-simplejson commands to solve this problem but it still shows me this exception. Is there any compatibility issue between Django and Python or what is the solution to get out of this exception: Traceback (most recent call last): File "manage.py", line 10, in <module> execute_from_command_li
I'd like to know basically how can I encrypt data with a generated salt key and then decrypt it using python ? i've gone trough a lot of websites and modules, and they all look great at encrpytion part, but none can decrypt as it seems. My main concern is to have strong salt key, that'd be probably generated over few hunderd times, then use that key to encrypt data - in particular I'm looking into
Problem solved by Shawn Chin in Answer 1. And what drives me crazy is that to compile mcrypt extension, only libmcrypt is enough, there is no need to compile mhash and mcrypt :( I want to compile mcrypt extension for php (RHEL5.1, Intel i5 650), here is my procedure # libmcrypt tar zxf libmcrypt-2.5.8.tar.gz cd libmcrypt-2.5.8 ./configure --prefix=/home/felix021/lamp/libmcrypt/ make make install #
I want to run Ansible in Python without specifying the inventory file through (ANSIBLE_HOST) but just by: ansible.run.Runner( module_name='ping', host='www.google.com' ) I can actually do this in fabric easily but just wonder how to do this in Python. On the other hand, documentation of the Ansible API for python is not really complete.
I want to setup a MySQL server on AWS, using Ansible for the configuration management. I am using the default AMI from Amazon (ami-3275ee5b), which uses yum for package management. When the Playbook below is executed, all goes well. But when I run it for a second time, the task Configure the root credentials fails, because the old password of MySQL doesn't match anymore, since it has been updated
This answer only applies to Git version 1.x. For Git version 2.x, see other answers. Summary: git add -A stages all changes git add . stages new files and modifications, without deletions (on the current directory and its subdirectories). git add -u stages modifications and deletions, without new files Detail: git add -A is equivalent to git add .; git add -u. The important point about git add . i
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