xluffy

Dễ, ai cũng biết ``` > nginx -v nginx version: nginx/1.18.0 ``` Vậy thử xử lý chuỗi qua pipe thì sao? ``` > nginx -v | awk -F '/' '{print...

Bình thường để test xem role có chạy đúng như ý hay không: ``` molecule test --destroy=never ``` Tuy nhiên có những role có nhiều tasks, chạy lại tất cả...

- **Including roles, tasks, or variables** adds them to a playbook dynamically. Ansible processes included files and roles as they come up in a playbook, so included tasks can be...

https://developers.500px.com/improving-500px-api-performance-presenter-model-caching-99720550ecda https://github.blog/2016-02-03-scientist/

https://www.honeycomb.io/comparisons/ 

https://www.elastic.co/guide/en/elasticsearch/reference/current/mapping-routing-field.html TLDR: Document is routed to a particular shard in an index using the following formula: ``` shard_num = hash(_routing) % num_primary_shards ``` The default value used for `_routing` is...

## 1. How does shard size affect performance? In Elasticsearch, each query is executed in a single thread per shard. Multiple shards can however be processed in parallel, as can...

👉 https://docs.ansible.com/ansible/latest/user_guide/vault.html#managing-multiple-passwords-with-vault-ids TLDR: ``` > echo 'Lb1RnM+4VajYIsu' > ~./.vault_pass > echo 'CCwYB4AtxDCLwyW' > ~/.vault_pass.prod ``` Ansible config ``` > cat ansible.cfg [defaults] inventory = ./inventories roles_path = ./roles module_utils =...

How to reproduce: - Try to start mitmproxy for proxy request from mobile device - On iOS, try to access http://mitm.it -> get iOS certificate - Go to Profile Download...

Thông thường, trình duyệt sẽ coi như tất cả các GET request có thể cache, trong khi với POST request thì mặc định ko thể cache, nhưng ta có thể...