linux

Install python and pip as local user on shared Linux

A few days ago, I was struggling to install python on a Linux machine, in which I had no root permission. That machine was shared with many other users and there was only an old python version already installed on the machine. After a bit of search and trial, I…

Understanding things inside ~/.ssh

We have been using SSH all the time but not all people really understand the files we put inside the ~/.ssh folder on our computer. It was a myth to me when I was first using SSH, but things are pretty clear to me now and I want to share…

Funny issue with "grep"

The other day I was working on a simple program on CentOS and I met an issue which turned out to be quite funny. At first I didn't think it worth a post here, but later I decided to put it here so that I won't ever make the same…