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Category: Grafana

[Grafana] Easily install Grafana on Kubernetes using a Helm chart.

Posted on December 30, 2024January 2, 2025 By nim No Comments on [Grafana] Easily install Grafana on Kubernetes using a Helm chart.
[Grafana] Easily install Grafana on Kubernetes using a Helm chart.

1) Install Grafana using Helm chart. ở bài này mình xin hướng dẫn cài bạn cài grafana trên k8s bằng helm chart: Chúng ta cần chú ý value 1 chút:Mình cần tạo ingress cho grafana luôn nên mình sẽ cần update values of helm install 1 chút với helm values trên thì nó tự động…

Read More “[Grafana] Easily install Grafana on Kubernetes using a Helm chart.” »

Coding, Grafana

[Grafana] Design Uptime based on Status History – Visualizations on Grafana

Posted on January 7, 2024January 14, 2025 By nim No Comments on [Grafana] Design Uptime based on Status History – Visualizations on Grafana
[Grafana] Design Uptime based on Status History – Visualizations on Grafana

Bạn có một metrics up{label=”xxx”} = 1 thì sẽ là Up https://grafana.com/docs/grafana/latest/panels-visualizations/configure-value-mappings/ https://grafana.com/docs/grafana/latest/panels-visualizations/visualizations/status-history/ Ngoài ra bạn cũng có thể vẽ được chart percent dửa trên metrics uptime 0/1 Với metrics uptime của Uptime Kuma thì mình gặp lỗi bên dưới: Too many points to visualize properly.Update the query to return fewer points.(1441 points received) Nếu bạn…

Read More “[Grafana] Design Uptime based on Status History – Visualizations on Grafana” »

Grafana, Prometheus

[Grafana] How to publish Grafana Dashboard for the community.

Posted on July 12, 2023 By nim No Comments on [Grafana] How to publish Grafana Dashboard for the community.
[Grafana] How to publish Grafana Dashboard for the community.

https://community.grafana.com/t/trying-to-share-dashboard-with-community-gives-404-error-how-to-share/72790/11và chúng ta sẽ phải chờ 24h thì mới sem được online nhé!

Grafana

[Monitoring] Understand percentiles in monitoring.

Posted on May 4, 2023 By nim No Comments on [Monitoring] Understand percentiles in monitoring.
[Monitoring] Understand percentiles in monitoring.

Trong ngữ cảnh giám sát và theo dõi (monitoring), p99 và p95 thường đề cập đến các giá trị phân vị (percentiles) trong phân phối dữ liệu. P99 và P95 là những chỉ số giúp đánh giá hiệu suất của một hệ thống. Chúng được dùng để xem xét độ trễ (thời gian phản hồi)…

Read More “[Monitoring] Understand percentiles in monitoring.” »

Grafana, Log, Monitor & Tracing

[Prometheus/Grafana] Install Prometheus and Grafana on ubuntu.

Posted on March 27, 2023 By nim No Comments on [Prometheus/Grafana] Install Prometheus and Grafana on ubuntu.
[Prometheus/Grafana] Install Prometheus and Grafana on ubuntu.

Sau đó bạn download chương trình Prometheus về để chạy. Việc download khá đơn giản, bạn chỉ cần truy cập link sau : https://prometheus.io/download/ Giải nén file package Prometheus vừa download. Tạo user để chạy dịch vụ Prometheus. Tạo thư mục cấu hình và data cho Prometheus. Sau đó phân quyền owner tương ứng. Copy…

Read More “[Prometheus/Grafana] Install Prometheus and Grafana on ubuntu.” »

BareMetal, Grafana, Prometheus

[Grafana] Error updating options: origin not allowed when you upgrade the Grafana.

Posted on May 8, 2022 By nim No Comments on [Grafana] Error updating options: origin not allowed when you upgrade the Grafana.
[Grafana] Error updating options: origin not allowed when you upgrade the Grafana.

Sau khi upgrade grafana lên version 8.5.2 thì mình bị lỗi Mình đọc thì vấn đề này sẽ xảy ra khi bạn public grafana thông qua 1 proxy: nginx, haproxy, Kong-Gateway. Nếu bạn sài nginx.proxy_set_header Host $http_host; Nếu bạn sài Apache2: ProxyPreserveHost On Sài Kong-gateway, Kong, Kong-api thì mình chỉ trên Konga như sauVào route và…

Read More “[Grafana] Error updating options: origin not allowed when you upgrade the Grafana.” »

Grafana

[Grafana] Reset passwork grafana

Posted on April 6, 2022 By nim No Comments on [Grafana] Reset passwork grafana
[Grafana] Reset passwork grafana

grafana-cli admin reset-admin-password <new password> resets the password for the admin user using the CLI. You might need to do this if you lose the admin password.

Grafana

[OpenVPN] How do you monitor Your OpenVPN-Server via Prometheus and Grafana

Posted on March 29, 2022March 30, 2022 By nim No Comments on [OpenVPN] How do you monitor Your OpenVPN-Server via Prometheus and Grafana
[OpenVPN] How do you monitor Your OpenVPN-Server via Prometheus and Grafana

Sau bao ngày chạy Openvpn thì cuồi cùng đã monitor được https://kifarunix.com/monitor-openvpn-connections-with-prometheus-and-grafana/ 1) Install Golang 1.1) Raspberry (chipset armvX) 1.2) Ubuntu (not chipset armvX) 2) Download openvpn_exporter and config Bạn nhớ kiểm tra file log status của bạn ở đâu nhé GIờ tiến hành build file. The suggestion of @Burak Serdar to re-install Go fixed…

Read More “[OpenVPN] How do you monitor Your OpenVPN-Server via Prometheus and Grafana” »

Grafana, Log, Monitor & Tracing, Prometheus

[VictoriaMetrics/Grafana/Prometheus/Kiali] VictoriaMetrics is a fast, cost-effective and scalable time series database

Posted on December 21, 2021December 26, 2021 By nim 2 Comments on [VictoriaMetrics/Grafana/Prometheus/Kiali] VictoriaMetrics is a fast, cost-effective and scalable time series database
[VictoriaMetrics/Grafana/Prometheus/Kiali] VictoriaMetrics is a fast, cost-effective and scalable time series database

1) Introduction VictoriaMetrics is a fast, cost-effective and scalable time series database. It can be used as a long-term remote storage for Prometheus. It is recommended using single-node version instead of cluster version for ingestion rates lower than a million of data points per second. Mình sẽ hợp với VictoriaMetrics với mô hình mutil Prometheus hoặc…

Read More “[VictoriaMetrics/Grafana/Prometheus/Kiali] VictoriaMetrics is a fast, cost-effective and scalable time series database” »

Grafana, Isito-EnvoyFilter, Prometheus, VictoriaMetrics

[Loadtest/vegeta] Why did I choose Vegeta to load test? I like it

Posted on November 26, 2021November 26, 2021 By nim No Comments on [Loadtest/vegeta] Why did I choose Vegeta to load test? I like it
[Loadtest/vegeta] Why did I choose Vegeta to load test? I like it

https://github.com/tsenart/vegeta/releases Chúng ta thực hiện “attack” (a.k.a load test) httpbin servers với 5 requests trên second trong vòng 5 seconds Nói thêm 1 chút về grafana https://geshan.com.np/blog/2020/09/vegeta-load-testing-primer-with-examples/

Coding, Grafana

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