ssh-add – Could not open a connection to your authentication agent
When working with gitlab, to push our source code server we need to add the SSH key … Read more
Linux Host, Ubuntu, SysAdmin
“su” – Switch User Linux Command
“su” stands for “switch user” is a Linux command used to switch the current user to another … Read more
Linux Command “Top”: Understanding and Using the System Monitoring Tool
Linux is a powerful operating system known for its stability, security, and customization options. One of the … Read more
How to sign kernel module on UEFI Secure boot enabled Ubuntu ?
Secure boot requires each an every operating system software to be signed with unique key to build … Read more
Fixed : openssl/opensslv.h: No such file or directory
When trying to compile some packages / libraries or application source codes in Linux which are based … Read more
How to Install 7Zip on Ubuntu Linux ?
7-Zip is a file archiver with a high compression ratio. Using 7 zip we can compress the directory … Read more
How to Compress files using 7z in Linux ?
7-Zip is a file archiver with a high compression ratio. Using 7 zip we can compress the directory … Read more
How to install Apache WebServer on Ubuntu ?
The Apache HTTP Server is a open-source HTTP server for modern operating systems including UNIX and Windows. … Read more
What is my Public IP Address ?
Every machine which is connected to internet gets assigned with one unique IP address till it remains … Read more
How to Check IP Address, Network Interface details in Linux ?
If you want to know the IP address and currently active network interfaces on Linux, we need … Read more
