sudo apt-get updateThis resulting hsflowd_1.29.1-1_amd64.deb package can be copied and installed on all the hosts in the Docker cluster using configuration management tools such as Puppet, Chef, Ansible, etc.
sudo apt-get install build-essential
sudo apt-get install libpcap-dev
sudo apt-get install wget
wget https://github.com/sflow/host-sflow/archive/v1.29.1.tar.gz
tar -xvzf v1.29.1.tar.gz
cd host-sflow-1.29.1
make DOCKER=yes PCAP=yes deb
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The post May 4th – Get Ready for Next-Generation Cloud Security with NSX and Armor appeared first on The Network Virtualization Blog.
This is a guest repost from Baqend Tech on deploying and redeploying an Apache Storm cluster on top of Docker Swarm instead of deploying on VMs. It's an interesting topic because of the experience Wolfram Wingerath called it "a real joy", which is not a phrase you hear often in tech. Curious, I asked what made using containers such a good experience over using VMs? Here's his reply:
Being pretty new to Docker and Docker Swarm, I'm sure there are many good and bad sides I am not aware of, yet. From my point of view, however, the thing that makes deployment (and operation in general) on top of Docker way more fun than on VMs or even on bare metal is that Docker abstracts from heterogeneity and many issues. Once you have Docker running, you can start something like a MongoDB or a Redis server with a single-line statement. If you have a Docker Swarm cluster, you can do the same, but Docker takes care of distributing the thing you just started to some server in your cluster. Docker even takes care of downloading the correct image in case you don't have it on your machine right now. You also Continue reading
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This is the second in a series of posts about how Ansible and Ansible Tower enable you to manage your infrastructure simply, securely, and efficiently.
When we talk about Tower, we often talk in terms of Control, Knowledge, and Delegation. But what does that mean? In this series of blog posts, we'll describe some of the ways you can use Ansible and Ansible Tower to manage your infrastructure.
In our first blog post, we described how Ansible Tower makes it easy to control the way your infrastructure is configured via configuration definition and continuous remediation.
But controlling the configuration of your infrastructure is just one step. You also need control of the components of your infrastructure - your inventory. You need to do day-to-day management tasks on demand. And Ansible Tower makes those easy as well.
If you’ve used Ansible, you know about the basics of inventory. A static Ansible inventory is just an INI-style file that describes your hosts and groups, and optionally some variables that apply to your hosts and groups. Here's an example from the Ansible documentation.
{% raw %}[atlanta] host1 host2 [raleigh] host2 host3 [southeast:children] atlanta raleigh [southeast:vars] nameserver=dns.southeast.example. Continue reading
Some companies will take drastic measures to ensure a great WiFi signal. Motivation is everything!