What is www-data in CentOS?

What is www-data in CentOS?

www-data is the user that web servers on Ubuntu (Apache, nginx, for example) use by default for normal operation. The web server process can access any file that www-data can access. It has no other importance. (source) On many (not all) distributions, www-data is the user under which the Apache web server runs.

How do you add data to www?

Login to Ubuntu server using ssh. Add a new user named foo to www-data group by running useradd -g www-data foo command. Add an existing user bar to Apache’s www-data group on Ubuntu using usermod -a -G www-data bar command. Verify new modification on Linux by using the id command.

Is www-data a user or group?

www-data is the user (and also group) that the service httpd (apache) is acting with on your system.

How do I make CentOS not root?

Create a new user

1. Create a new user by using the adduser command followed by the new user’s as shown in the following example: [root@server-01 ~]# adduser newuser.
2. Use the passwd command followed by the new user’s to set up a password for newuser .

What is the www-data user?

www-data is the user that web servers on Ubuntu (Apache, nginx, for example) use by default for normal operation. The web server process can access any file that www-data can access. It has no other importance.

What is nginx user?

NGINX requires a system user to be able to access and modify files and folders related to your website/application. By default, NGINX uses www-data user for this purpose. It is also the same username used by Apache server.

Is www-data a user?

www-data is the user that web servers on Ubuntu (Apache, nginx, for example) use by default for normal operation. The web server process can access any file that www-data can access. Some web servers run as www-data.

What is the password for www-data?

www-data has no password in DietPi. Its a limited account that doesn’t allow for login as that user.

What permissions does www-data have?

Edit: to answer your original question, yes, any member of www-data can now read and execute /var/www (because the last bit of your permissions is 5 = read + exec). But because you haven’t used the -R switch, that applies only to /var/www , and not to the files and sub-directories it contains.

What group does www-data belong to?

Apache group
Now we need to ensure the public_html folder is owned by the main user (demo) and is part of the Apache group (www-data).

What is difference between sudo and root user?

Executive summary: “root” is the actual name of the administrator account. “sudo” is a command which allows ordinary users to perform administrative tasks. “Sudo” is not a user.

How do I make myself admin on CentOS 7?

RHEL or CentOS create a new user account with admin (sudo) access

1. Open the terminal application.
2. For remote CentOS server use the ssh command and log in as the root user using either su or sudo.
3. Create a new CentOS user named vivek, run: useradd vivek.
4. Set the password, execute: passwd vivek.

¿Qué es el firewall de CentOS?

En el caso de CentOS, este hace uso de firewalld como su firewall integrado, este es un firewall que administra de forma dinámica las zonas de red las cuales a su vez definen el nivel de confianza de las conexiones o interfaces de red disponibles en el equipo.

¿Qué es un firewall en Linux?

Concretamente en CentOS el Firewall integrado se llama firewalld y realiza diferentes tareas de seguridad en nuestra distro de Linux. Una de las medidas de seguridad más importantes que debemos llevar en nuestro sistema operativo es la implementación de un firewall. Conoce los mejores que puedes instalar en Linux a continuación.

¿Cómo podemos desactivar el firewall en Ubuntu?

Pulsamos en el botón “Autenticar” y este será el entorno de GUFW. Allí podremos definir el tipo de estado para las reglas salientes o entrantes, así como ver las reglas actuales, informes y demás. Para desactivar el firewall a través de este medio, damos clic en el interruptor “Estado”. Así, podemos administrar el firewall en Ubuntu.

¿Cómo se almacenan las reglas del firewall?

Con el paquete iptables-persistent las reglas del firewall se almacenarán en los archivos de configuración, en /etc/iptables/. De esta manera las reglas se cargarán y se activarán de nuevo cuando se inicie el servidor. Para ello, es necesario que las reglas estén almacenadas en el archivo /etc/iptables/rules.v4 para el protocolo IPv4.