Playing with Nomad from HashiCorp
Overview I’ve been thinking about experimenting with a new workload scheduler for a long time. I have two main use cases when thinking about a scheduler - de...
Posts by Category
HashiCorp
MegaCLI
TIL - Creating RAID volumes in MegaCLI
Overview I learned something new today. At work, we have a decent number (~300 or so) bare metal servers that my teams use for higher throughput workloads - ...
MegaRAID
TIL - Creating RAID volumes in MegaCLI
Overview I learned something new today. At work, we have a decent number (~300 or so) bare metal servers that my teams use for higher throughput workloads - ...
TIL
TIL - Creating RAID volumes in MegaCLI
Overview I learned something new today. At work, we have a decent number (~300 or so) bare metal servers that my teams use for higher throughput workloads - ...
vnodes between datacenters in Cassandra
Update 9/8/17 I have recently been testing this more, since the need to increase the number of vnodes has become a priority. I created a new 4 node cluster t...
blue-green
Simple Blue/Green Deployments with Nomad and HAProxy
Overview I’ve recently started deploying HAProxy to replace Nginx for most of our application load balancing. You can read more about my decision to switch f...
canary
Simple Blue/Green Deployments with Nomad and HAProxy
Overview I’ve recently started deploying HAProxy to replace Nginx for most of our application load balancing. You can read more about my decision to switch f...
cassandra
Running Cassandra in Kubernetes Across 1,800 Stores
I wrote a blog post for Target’s public facing blog today. Check it out and let me know if you have any questions.
Increasing the number of tokens in Cassandra 2.2
Overview I wrote a blog post a few months ago detailing my experience with Cassandra and tokens. This is a follow-up post on the outcome of that issue. Note:...
vnodes between datacenters in Cassandra
Update 9/8/17 I have recently been testing this more, since the need to increase the number of vnodes has become a priority. I created a new 4 node cluster t...
Cassandra nodetool authentication using the internal authorizer
I learned about a new feature in Cassandra 3.6+ today, the ability to enable nodetool authentication by using Cassandra’s built-in authorizer. This turned ou...
ccminer
Setting up a local P2Pool and mining Vertcoin with CCMiner
Overview I’ve (along with everyone else recently) been fascinated with cryptocurrency recently, and have been learning more and more about it. One of the mos...
cli
Linux Command Line - Tips and Tricks
Overview I use a terminal pretty often in my daily job - either when logging in to servers or on my Macbook. In the spirit of learning, I decided to put toge...
comparison
Switching to HAProxy from Nginx
Overview I’m currently in the process of switching my team’s load balancers from Nginx to HAProxy. I mentioned it briefly in this blog post, but I wanted to ...
consul
Load Balancing Using Consul, SRV Records, and HAProxy
Overview A few months ago, I wrote a blog post about using Nginx + Consul in order to do dynamic routing and service discovery. Recently, I’ve started to exp...
Generating dynamic config with Nginx and Consul-Template
Overview In my day job, we heavily use Nginx for our edge web servers. These servers route traffic to many different microservices. This means the Nginx conf...
consul-template
Generating dynamic config with Nginx and Consul-Template
Overview In my day job, we heavily use Nginx for our edge web servers. These servers route traffic to many different microservices. This means the Nginx conf...
cryptocurrency
Setting up a local P2Pool and mining Vertcoin with CCMiner
Overview I’ve (along with everyone else recently) been fascinated with cryptocurrency recently, and have been learning more and more about it. One of the mos...
deployments
Simple Blue/Green Deployments with Nomad and HAProxy
Overview I’ve recently started deploying HAProxy to replace Nginx for most of our application load balancing. You can read more about my decision to switch f...
haproxy
Simple Blue/Green Deployments with Nomad and HAProxy
Overview I’ve recently started deploying HAProxy to replace Nginx for most of our application load balancing. You can read more about my decision to switch f...
Switching to HAProxy from Nginx
Overview I’m currently in the process of switching my team’s load balancers from Nginx to HAProxy. I mentioned it briefly in this blog post, but I wanted to ...
Load Balancing Using Consul, SRV Records, and HAProxy
Overview A few months ago, I wrote a blog post about using Nginx + Consul in order to do dynamic routing and service discovery. Recently, I’ve started to exp...
hashiconf
Nomad at Target: Scaling our Microservices Across the Public and Private Cloud
I was recently at HashiConf 2018 and gave a presentation on Nomad. Specifically, how we’re using Nomad on my team at Target. Check it out here.
jekyll
Escaping code in code block with Jekyll
Overview Today, when writing a post, I ran in to an interesting error. I was getting Liquid errors while running my blog locally, from a code block in a post.
kubernetes
Running Cassandra in Kubernetes Across 1,800 Stores
I wrote a blog post for Target’s public facing blog today. Check it out and let me know if you have any questions.
linux
Linux Command Line - Tips and Tricks
Overview I use a terminal pretty often in my daily job - either when logging in to servers or on my Macbook. In the spirit of learning, I decided to put toge...
liquid
Escaping code in code block with Jekyll
Overview Today, when writing a post, I ran in to an interesting error. I was getting Liquid errors while running my blog locally, from a code block in a post.
mining
Setting up a local P2Pool and mining Vertcoin with CCMiner
Overview I’ve (along with everyone else recently) been fascinated with cryptocurrency recently, and have been learning more and more about it. One of the mos...
nginx
Switching to HAProxy from Nginx
Overview I’m currently in the process of switching my team’s load balancers from Nginx to HAProxy. I mentioned it briefly in this blog post, but I wanted to ...
Generating dynamic config with Nginx and Consul-Template
Overview In my day job, we heavily use Nginx for our edge web servers. These servers route traffic to many different microservices. This means the Nginx conf...
nodetool
Cassandra nodetool authentication using the internal authorizer
I learned about a new feature in Cassandra 3.6+ today, the ability to enable nodetool authentication by using Cassandra’s built-in authorizer. This turned ou...
nomad
Simple Blue/Green Deployments with Nomad and HAProxy
Overview I’ve recently started deploying HAProxy to replace Nginx for most of our application load balancing. You can read more about my decision to switch f...
Nomad at Target: Scaling our Microservices Across the Public and Private Cloud
I was recently at HashiConf 2018 and gave a presentation on Nomad. Specifically, how we’re using Nomad on my team at Target. Check it out here.
Playing with Nomad from HashiCorp
Overview I’ve been thinking about experimenting with a new workload scheduler for a long time. I have two main use cases when thinking about a scheduler - de...
schedulers
Playing with Nomad from HashiCorp
Overview I’ve been thinking about experimenting with a new workload scheduler for a long time. I have two main use cases when thinking about a scheduler - de...
srv
Load Balancing Using Consul, SRV Records, and HAProxy
Overview A few months ago, I wrote a blog post about using Nginx + Consul in order to do dynamic routing and service discovery. Recently, I’ve started to exp...
til
Escaping code in code block with Jekyll
Overview Today, when writing a post, I ran in to an interesting error. I was getting Liquid errors while running my blog locally, from a code block in a post.
Linux Command Line - Tips and Tricks
Overview I use a terminal pretty often in my daily job - either when logging in to servers or on my Macbook. In the spirit of learning, I decided to put toge...
tips
Linux Command Line - Tips and Tricks
Overview I use a terminal pretty often in my daily job - either when logging in to servers or on my Macbook. In the spirit of learning, I decided to put toge...
tokens
Increasing the number of tokens in Cassandra 2.2
Overview I wrote a blog post a few months ago detailing my experience with Cassandra and tokens. This is a follow-up post on the outcome of that issue. Note:...
vertcoin
Setting up a local P2Pool and mining Vertcoin with CCMiner
Overview I’ve (along with everyone else recently) been fascinated with cryptocurrency recently, and have been learning more and more about it. One of the mos...
vnodes
Increasing the number of tokens in Cassandra 2.2
Overview I wrote a blog post a few months ago detailing my experience with Cassandra and tokens. This is a follow-up post on the outcome of that issue. Note:...
vnodes between datacenters in Cassandra
Update 9/8/17 I have recently been testing this more, since the need to increase the number of vnodes has become a priority. I created a new 4 node cluster t...
welcome
Welcome to Danny’s blog!
So I decided to start a tech blog. My plan is to write at least one post a week about something I did/learned during that week. I’d like to mostly focus on i...