Python: Connect to Oracle – cx_Oracle
When we connect to Oracle , beside the host/port , username/password , there is another important parameter is SID or Service_name . I’m not an Oracle expert but i...
Virtualbox – can’t see your USB
Download the extension pack – Go to the Ports setting and change the setting to USB 2
No more variables left in this MIB View (It is past the end of the MIB tree)
Un command the line in bold below group notConfigGroup v1 notConfigUser group notConfigGroup v2c notConfigUser view all included .1 view systemview included . view systemview included .`. See the...
postdrop: warning: mail_queue_enter: create file
www-data 4650 43428 4532 ? S 04:58 0:00 /usr/sbin/postdrop -r www-data 4855 43428 4528 ? S 05:02 0:00 /usr/sbin/postdrop -r www-data 6940 43428...
How to login to an account with “nologin” shell ?
We have some accounts such as postfix,apache .. these account has “nologin” shell, meaning you can’t sudo su – apache or “su – apache”. Sometimes we need to login...
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
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...