Should you use sudo gems?

What is so dangerous about using sudo to install gems? Well, gems can run code during installation, so if you think that using sudo gem install is a normal, perfectly fine thing to do, then you might use it to inadvertently install a malicious gem that could potentially wipe out your entire hard drive.

What does the sudo command do and why is it needed?

The sudo command allows you to run programs with the security privileges of another user (by default, as the superuser). It prompts you for your personal password and confirms your request to execute a command by checking a file, called sudoers , which the system administrator configures.

Why do we need sudo?

Sudo (superuser do) is a utility for UNIX- and Linux-based systems that provides an efficient way to give specific users permission to use specific system commands at the root (most powerful) level of the system. Sudo also logs all commands and arguments. Control which commands a user can use on each host.

When should you install sudo?

1 Answer. You absolutely have to use sudo to get privileges escalations. This is needed for any/all installations of software & administration tasks. But for security reasons, you may understand this is privileged so using it for doing “normal/ordinary” things is an error..

Are Ruby gems safe?

Security concerns Since ruby gems run their own code in an application it may lead to various security issues due to installation of malicious gems. The creator of malicious gems may be able to compromise the user system or server.

What does sudo mean?

sudo , which is an acronym for superuser do or substitute user do, is a command that runs an elevated prompt without a need to change your identity. Depending on your settings in the /etc/sudoers file, you can issue single commands as root or as another user.

Why sudo is used in Linux?

The sudo command is used to give such permissions to any particular command that a user wants to execute once the user enters a user password to give system based permissions.

How do you sudo install on Linux?

At first, login to an user account and open a terminal to execute the following commands:

1. Start becoming superuser with su . Enter your root password.
2. Now, install sudo with apt-get install sudo .
3. Choose one:
4. Now, log out and then log in with the same user.
5. Open a terminal and run sudo echo ‘Hello, world!’