Posted inHow tos Linux Miscellaneous
Linux – find shared libraries required by a program
List shared or dynamic libraries required by a program In Linux, the is used to find out the…
Getting date from Real time clock (RTC)
Getting date from Real time clock (RTC) without using the date command or any other Linux time related…
Posted inHow tos Linux Miscellaneous
Nginx and Apache – log real client IP
Nginx / Apache - log real client IP or x-forwarded-for address. Web servers such as Nginx or Apache…
Posted inComputer Security How tos Linux
Install free ssl certificates in Ubuntu
Free SSL certificates with Let's Encrypt certbot - tested in Ubuntu 14.04 with Apache 2. It is nice…
Posted inAmazon web services(AWS) How tos Linux
Cloud service providers IP ranges – AWS, Azure and GCP
Cloud service providers IP ranges for Amazon Web Services(AWS), Microsoft Azure and Google Cloud Platform(GCP). Cloud service provides…
Posted inHow tos Linux Miscellaneous
How do I view Linux kernel configuration?
Linux kernel - check the kernel options enabled during kernel compilation. You might want to know whether a…
curl – show only http response code
curl - get only numeric HTTP response code Most browsers have developer plugins where you can see the…
Posted inHow tos Linux Miscellaneous
Linux share terminal in real time
How to share your terminal session with another user in real time. Linux has a script command which…
Posted inHow tos Linux Miscellaneous
Linux restricting user access
User administration: restricting access 1. With the chage command, an account expiration can be set. Once that date…
Sort IP addresses numerically
Linux - Sort IPv4 addresses numerically A novice user's first attempt to sort a list of IP addresses…