All Linux distributions, including Ubuntu, allow the user to change the password of a user account with thepasswdcommand. Changing your user account password with thepasswdcommand is also easy and doesn’t require using any other option. Type the command on your command prompt window: PasswdCopy...
This command effectively allows you to change the password for the current user. After entering the command, the terminal will ask you to enter your current password for confirmation. Once your password is confirmed, you will then be asked to enter a new password. The screen will look somethin...
Thechagecommand 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. 选项 The options which apply to thechagecommand are:-d,--lastdayLAST_DAYSet the number of...
The options which apply to theusermodcommand are:-a,--appendAdd the user to the supplementary group(s). Use only with the-Goption.-b,--badnamesAllow names that do not conform to standards.-c,--commentCOMMENTThe new value of the user's password file comment field. It is normally modif...
-D, --defaults print or change default useradd configuration -e, --expiredate EXPIRE_DATE expiration date of the new account -f, --inactive INACTIVE password inactivity period of the new account -g, --gid GROUP name or ID of the primary group of the new ...
The su command allows you to change to root user by switching directly to the root account. By default, Ubuntu disables the root account, but if it’s enabled, you can log in with: su - If you encounter an error, you’ll need to enable the root account by setting a password: sudo...
If you are not at ease with the command line, you can add a new user via GUI. This is very simple to do: Open up the activities screen and put in the word “users” in the search field as shown below: Then click on “Add or remove users and change your password”. ...
One method is to go through the "Ubuntu Software Center". Open the software center, then from the Edit menu select "Software Sources". Note: You will have to enter your password to change settings in this window. You can download a copy of a Canonical repository for your machine ...
Some applications (Xorg) need direct access to the physical memory from user-space. The special file /dev/mem exists to provide this access. In the past, it was possible to view and change kernel memory from this file if an attacker had root access. The CONFIG_STRICT_DEVMEM kernel option...
apikey Used to manage a user's API keys. Shows existing keys unless --generate or --delete is passed. configauth Configure external authentication. createadmin Create a MAAS administrator account. changepassword Change a MAAS user's password. ...