Type ‘ ip link show ‘ and press enter to check interface name and current MAC address.Some MacOS users might be intimidated by the Terminal and its commands. Provide the access by clicking on Grant. If you are entering this command for the first time then it will ask for Root permission. Type the command ‘ su ‘ and press enter. Steps: Open the Terminal Emulator App on your phone.
![]() Changing the theme of the Terminal lets you do just that.While on Terminal, navigate to ‘Terminal’ on the top bar and select Preferences.In the preferences menu, navigate to the Profiles tab.Here, you can customize the appearance of the Terminal including the background color, text color, and font. First, it’s best if you adjust the appearance to fit you. Type in the word Terminal and click on the first suggestion.Either of these two methods will bring up the Mac command prompt and it will look like a black box as below.Depending on your Terminal setting, the appearance may look different. Removing any characters will give you an unexpected result.Once you enter a command, to execute it you need to press the return/enter key. Every character, every space, and every symbol matters. This way you do not have to type the same command over and over again.Terminal commands should be typed exactly as they are shown. If you want to edit the command you entered, move left or right using the arrow keys until you reach the place where you would like to edit.Once you have entered several commands and you would like to enter one of those commands again, you can use up and down arrow keys to navigate through the past commands you have entered until you select the desired command. You navigate the Terminal by using arrow keys. Therefore it’s important that you learn a few things that you should keep in mind when learning the Terminal.You cannot use your keyboard and mouse to navigate the Terminal. ![]() Terminal Emulator Address Change Password To ExecuteThese are very helpful when you want to list the contents of a folder.Print working directory (Outputs the address of the current directory )Displays the names of files and subdirectories containing in the folderLists in the long format. This command will display all the commands you have entered.Deletes the command history of the TerminalThese commands are the most commonly used set of commands. You will be required to enter your administrator password to execute such commands.The Terminal keeps a history of all the commands you have entered. In such cases, you can use this command to gain such privileges provided you are an admin of the system. You can make changes to your files right from the Terminal.Copy a file to the current directory with the name given as Remove a file completely. /)Let’s look at how you can create, edit, and delete directories and folders.Create a new subdirectory in the current directoryCopy a folder to another folder with spaces in its nameOpens a Terminal file editor. This is especially useful when selecting the directory you want to run a command in.Change directory (If the directory you would like to navigate to is not in the current directory, the complete file address is required )Move up two levels (Could be extended to as many levels as possible by adding. On the left-most column, you will see a notation as below.There are nine slots with three groups for each type of user owner, groups, and others. This will list all files and folders in the long format. You can provide permissions for reading, writing, and executing to the owner, a group or others.To view permissions of a file you can use ls -l command that we talked about in the List Directory commands section. Download horizon view client for macThe host could be the IP address of a device connected to your network or a web domainLists all your current incoming and outgoing connections.The output is the whois info of the domain. The pipe symbol (|) takes the output from the first command and provides it as an input to the grep function.Displays real-time information about the processes that are running on the systemOnce you find the PID from the ps -ax command, you can kill the process using this command.While all the above tasks could be achieved using GUI applications, the easiest and the most convenient way to configure your network and gather information about your network is through the Terminal.There are several useful Terminal applications that will help you in this regard.While there are many uses for this command, the most common is to check your IP addressTest whether you can make a connection to the host. It includes information like the PID (Process ID), elapsed time running, the process name, and location.Allows you to view information about a specified application. These commands basically act as a replacement for the Activity Monitor GUI application.Gives you a detailed view of every process that is running in the system. Let’s look at what commands you can use.Change the permissions of a file to 500 (r-x-)Change the permissions of a folder and its contents (drw-)Change both the owner and the group of the fileThe Terminal allows you to view the processes that are currently running on your system, examine their resource usage, and kill them. Both groups and others only have read (r) permission.In the second case, drw-r-xr-x, apart from the usual permission sets there is a d which represents that this is a directory.Before moving on to the commands, you have to be familiar with octal permission notationThe Terminal application allows you to set octal notation permissions for files and directories. If your connection with the host is not established, you can pinpoint the exact location at which the packets do not pass. It traces the path, packets go through. It will show you the IP and MAC addresses of all the devices.This is an important troubleshooting tool.
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