Mainly because the requested action needs super user privileges which need to be enabled on your user account. Use sudos NOPASSWD tag, which indicates to sudo that no. Such an error may be annoying to someone starting out hacking code on Linux You want one user to run a command as another user without supplying a password. Installation of software in Linux such as installing MongoDB database locally, without the correct permissions, Linux will deny to perform this action as such an action needs jumped up privileges. You may as well need to edit configuration files of installed softwares. The expression USER denotes a shell variable automatically set to contain the current users username. Trusted users can use the sudo command to run applications as another user, by default the root user. The second question is whether your line. Most of the times as a programmer using Linux, you will use the command line to perform operations like moving and renaming files, install software, etc. Step 1: Enable passwordless sudo for the administrator. Initially, my only change to the sudoers file ( /etc/sudoers) was one line, a user specification that should have enabled nicholsonjf to run all commands with sudo without having to enter a password (see the line that starts with nicholsonjf): This file MUST be edited with the 'visudo' command as root. The alternative would be to allow all sytemctl command with sudo and without password and I dont want to allow that. It allows users to check whether a file has new data or to read error messages. Many programmers and developers tend to choose Linux OS over the other OSes because it allows them to work more effectively and quickly, considering that, Linux just gives you much more control over your tools, hardware and overall work environment.Įvery developer must not use Linux as there are distributions that are really user friendly and you don’t need to have intricate knowledge of the system, but with the mentioned advantages of Linux including its malleability, It will surely be a good reason to give Linux a try. If you try to run sudo in the Linux command line without authenticating. Linux has, in recent years, become the leading operating system on servers.
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