December 8, 2019
Oracle notes for beginners
In this tutorial, Oracle notes for beginners. How to query commands useful in Oracle database. Oracle Database commands Changing password…
How to install Terraform on Linux
In this tutorial, How to install Terraform on Centos and Ubuntu. Terraform an Open Source tool. It is safely and…
Influxdb examples
InfluxDB is a popular time-series database. Learn how to query InfluxDB. In this tutorial, I have installed Influxdb, you can…
Linux understand Page cache and buffer cache
In this tutorial, I have written about Page cache and buffer cache in Linux System. Most file-system cache data read…
Jenkins pipeline groovy example
In this tutorial, I have write script groovy use Jenkins pipeline call shell to create folder and copy. How to…
Oracle automatic startup on Linux
In this tutorial, How to confirm Oracle automatic startup on Linux. How to make Oracle start automatic in Linux. By…
Vulnerability of sudo (CVE-2019-14287)
Step by step Check Vulnerability of sudo CVE-2019-14287 in Linux. This vulnerability has been assigned CVE-2019-14287. The important thing is…
How to use nmap command
In this tutorial, How to use NMAP Security Scanner on Linux. How to scan port, service name and ping v.v…
nl command in Linux with example
In this tutorial, I use nl command to number lines of files in Linux. What does nl command mean? nl…
tr command in Linux with example
In this tutorial, I use the tr command to translate or delete characters. What does tr command mean? tr –…