Category: Technology

Beautiful Himachal Pradesh – Bharat India

SWAP: swap is a virtual memory that can be used by server if main memory is short to process the running applications, however swap is very slow in comparison to main memory as the memory calls happens from disk space but at least it provides radial availability of lacking memory to keep processing the data…

Extract file into a different directory: tar -xvf jdk-8u144-linux-x64.tar.gz -C /u01/mylabs/oracleprods/

To define a command alias in LINUX OS, follow these steps, 1. open bashrc script for the user you want to set command alias: For example: su – test1 test1$vi ~/.bashrc Now add your commands alias at the end of the file: alias stopapache=’/u01/apache/2.4/bin/apachectl stop’ alias startapache=’/u01/apache/2.4/bin/apachectl start’ alias statusapache=’/u01/apache/2.4/bin/apachectl status’ Now to reload your…

Oracle HTTP server is a very good web tier for serving applications as a front end, reverse proxy, load balancing etc and is similar to Apache with some customized functionalities added by Oracle as this is Oracle’s proprietary software. to secure the OHS, we can block unwanted call methods by allowing only the required one:…

Command to check the OS base version $ oslevel 7.1.0.0 command to check Processor, release number, system type etc $ uname -p, uname -r, uname -s check physical volumes: lspv lsvg -l name of vg lsvg diskname df -s

Interesting Scientific facts – Radium -: It is a chemical element, which glow in the night. Scientific facts: Its symbol is Ra and atomic number is 88. In the PERIODIC TABLE, It is the sixth element of group 2

DNS – Domain Name System DNS is the name service that help to resolve the internet name system into respective IPs. without DNS we cannot think of Internet community.