InfluxDB 1.8 vs 2.0
Downsampling: : you can have multiple retention per database. : one bucket , one retention. you need to downsample to a different bucket. Query: : can only use...
Puppeteer – Filmstrip
The code below is to create filmstrip using Puppeteer
Splunk: Python 2 addons for v8.
## Splunk: Python 2 Add-ons for v8 Splunk is one of the most popular platforms for searching, monitoring, and analyzing machine data from websites, applications, and IT infrastructures. It...
InfluxDB: influxdb-relay vs influxdb-srelay
are primarily used as a relay to the actual influxdb. The free influx db does not provide the high availability function. We use influxdb-relay or influxdb-srelay as the relay...
PHP: replace all bad words with some text
The following script will replace all bad keywords with *** . The keyword variable accepts multiple keywords, they must be separated with a comma (,) .
Splunk: display all metrics info
# Splunk: Display All Metrics Info In today’s digital-first world, the need for real-time insights into the health, performance, and security of systems is paramount. As organizations scale their...
Macbook pro 2013-2015 : can’t turn it on
I have a Macbook pro with this symptom: it’s not powered on , tried to hold the power button for long time , still nothing happen. I tried with...
How to troubleshoot high CPU usage on Linux?
High CPU usage is a common issue in every system, finding the root cause is not always easy. What the sign of a high CPU usage? I normally look...