Which command is used to create a user account and configure basic settings? To create a new user account, invoke the useradd command followed by the name of the user. When executed without any option, useradd creates a new user account using the default settings specified in the /etc/default/useradd file.
What does CLI stand for quizlet? CLI(Command Line Interface) This is an interface in which consist of. -Commands.
What commands would grant additional users access to user the Sudo command quizlet? You need to add an administrator to the /etc/sudoers file to give them the ability to use the sudo command.
Which command is used to list and modify password expiration information for user accounts? The chage command is used to modify user password expiry information. It enables you to view user account aging information, change the number of days between password changes and the date of the last password change.
Which command is used to create a user account and configure basic settings? – Additional Questions
What is the change command for in Linux?
The chage command changes the number of days between password changes and the date of the last password change. This information is used by the system to determine when a user must change their password.
How do I list users in Linux?
Use the “cat” command to list all the users on the terminal to display all the user account details and passwords stored in the /etc/passwd file of the Linux system. As shown below, running this command will display the usernames, as well as some additional information.
What chage command should you use to set the password for Jsmith to expire after 60 days and give a warning 10 days before it expires tip enter the?
What is the effect of the following command? chage -M 60 -W 10 jsmith Forces jsmith to keep the password 60 days before changing it and gives a warning 10 days before changing it. Deletes the jsmith user account after 60 days and gives a warning 10 days before it expires.
What is the purpose of the find type F command?
Use -type f to search only files, or -type l to only search symbolic links. -name is case sensitive. use -iname to perform a case-insensitive search.
Which parameter when used with the Usermod command will lock a user account?
-L = To lock the user account. This will lock the password so we can’t use the account. -m = moving the contents of the home directory from existing home dir to new dir. -p = To Use un-encrypted password for the new password.
What does the netstat a command show quizlet?
What does the netstat -a command show? The netstat -a command shows the status of all listening and non-listening sockets. You want to make sure no unneeded software packages are running on your Linux server.
What does netstat command do?
The network statistics ( netstat ) command is a networking tool used for troubleshooting and configuration, that can also serve as a monitoring tool for connections over the network. Both incoming and outgoing connections, routing tables, port listening, and usage statistics are common uses for this command.
What does the netstat command show on Linux?
Netstat is a command-line tool used by system administrators to evaluate network configuration and activity. The term Netstat is results from network and statistics. It shows open ports on the host device and their corresponding addresses, the routing table, and masquerade connections.
Which command should you use to scan for open TCP ports on your Linux system?
Use ss command to display all open TCP and UDP ports in Linux. Another option is to use the netstat command to list all ports in Linux. Apart from ss / netstat one can use the lsof command to list open files and ports on Linux based system. Finally, one can use nmap command to check TCP and UDP ports too.
What is the use of Telnet command in Linux?
In Linux, the telnet command is used to establish the connections between different machines. This command allows us to manage the remote devices using the CLI (command-line interface). It uses TCP port 23 which is assigned to the telnet protocol.
Which UNIX command can be used to find which process is using a particular file?
The fuser (pronounced “ef-user”) command is a very handy command for determining who is currently using a particular file or directory.
How do I open a port in Linux command line?
The best Linux command to open a port is using nc command. Open the terminal and type nc –listen –source-port port number. The port will be opening on our Linux system.
How do I create a port in Linux?
Use sudo ufw allow [port number] to open a port.
- If the port you’re opening is for a service listed in /etc/services , you just type the service’s name instead of the port number.
- To open a specific range of ports, use the syntax sudo ufw allow 6000:6007/tcp , replacing 6000:6007 with the actual range.
What is a port in Linux?
In computer networking, and more definitely in software terms, a port is a logical entity which acts as a endpoint of communication to identify a given application or process on an Linux operating system. It is a 16-bit number (0 to 65535) which differentiates one application from another on end systems.
What port does SSH use?
By default, the SSH server still runs in port 22.
What is SSH in Linux?
SSH or Secure Shell is a network communication protocol that enables two computers to communicate (c.f http or hypertext transfer protocol, which is the protocol used to transfer hypertext such as web pages) and share data.
What is the SSH command in Linux?
SSH (Secure Shell) is a network protocol that enables secure remote connections between two systems. System admins use SSH utilities to manage machines, copy, or move files between systems. Because SSH transmits data over encrypted channels, security is at a high level.
