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Hello , Its me again Raja and this time I came up with one more new post. I have been through interesting problem. As many of you know Virtual Box , sometimes even though we enable new adapter and configured IP in conf file it wont comes up. Everything seems fine , we have enabled adapter and configured name and IP for it but still it wont come up. Simple solution : How many adapters your VM able to access can be easily know by using command ls /sys/class/net   In my case I have 3 adapters so it will display them root@fresh:~# ls /sys/class/net enp0s3  enp0s8  lo root@fresh:~# If you come across errors like device not found errors , try to found out how your VM identified the adapters that you have enabled. Hope it helps. Thank you.

Hello , Sometimes we need to have full or absolute path of file. And most of the times we used to pwd + filename manually. But with google search I came across a command named as readlink. readlink -f filename.txt that will print complete path of filename along with filename append to it. linuxmen@linuxmen-fresh:~/test/test1$ readlink -f ex4.js /home/linuxmen/test/test1/ex4.js linuxmen@linuxmen-fresh:~/test/test1$   Note : make sure you are same directory where file resides else give relative path to file. Hope it helps