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Root user privileges - Raspberry Pi Projects

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If you are running as the root user (e.g. say within an app called with sudo because you are using the IO pins) you may want to make command lines calls as the standard pi user. You can change to a different user using su - USERNAME -c before the command and surrounding it with quotes. su - pi -c \"fetchmail > /dev/null\"

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Root user/sudo - Raspberry Pi Documentation

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You won't normally log into the computer as root, but you can use the sudo command to provide access as the superuser. If you log into your Raspberry Pi as the pi user, then you're logging in as a normal user. You can run commands as the root user by using the sudo command before the program you want to run.

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Root password on a Raspberry Pi: login as superuser su!

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Some actions on the Raspberr Pi require more than the normal user-rights of the pi user: To edt the configuration files or to delete other files, that are not in your user's directory. To become...

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Grant sudo access for a user with Raspberry Pi Raspbian ...

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This blog post describes how you can enable sudo for any user on the Raspberry Pi OS, Raspbian. Why sudo is important. Sudo is a command that lets you run a command as the "Super User". The super user's username is typically root on Linux machines. Instead of logging in as the root user and running your commands it is recommended to use sudo.

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How do I become a super user on the raspberrry pi ...

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Read about 'How do I become a super user on the raspberrry pi' on element14.com. Hello When i got my RPI working it would not let me poweroff unless i was a "superuser". how do I become a superuser on the rpi.

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Raspbian - How to change user pi sudo permissions; how to ...

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$ sudo apt-get update $ sudo apt-get upgrade works. If it does, you may revoke some privileges of the "pi" user, because you are now sure that your admin user has the right privileges: $ sudo deluser pi sudo $ sudo deluser pi adm This throws the user "pi" out of the usergroup "sudo". $ sudo visudo

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Change default users on Raspberry Pi - Gordon Lesti

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Normally the pi should register itself as raspberrypi at the router. So we can connect via ssh. If you have connected your Raspberry Pi with a screen and a keyboard you can skip this step and just login as pi. ssh pi@raspberrypi Create new user. The pi user has super-user rights so we can switch to the root user. sudo -i. Let's create a new ...

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How to Login as Root on Raspberry Pi OS? - RaspberryTips

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In this post, I'll explain what is the sudo command, and why Raspberry Pi OS developers add this and disable the root user. And then I'll show you how to do things as root on Raspberry Pi. By the way, if you are really interested in improving your skills on Raspberry Pi, I highly recommend to check out my e-book here.

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Working with File Permissions on Your Raspberry Pi - dummies

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There's no way around file permissions on the Raspberry Pi. You have to understand them and know how to use them, or you won't get much done with Linux. You need to know a handful of commands for working with permissions. The following table shows a list. Useful Permission Commands Command What It Does ls […]

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Root username and password - Raspberry Pi - OSMC Forums

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hello all, i have been trying to find the root username and password for OSMC for my raspberry pi 2, I am having issues with SSH and addons and dont know which is causing the problems, Once I am certain of the root username and password I can then continue trying to diagnose my problems, I did see user osmc password osmc for alpha 2 just trying to confirm that this is still the same. thanks ...

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Enable root login and change password - RaspberryPi - VMLinux

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In Raspberry Pi from version Jessie onwards the "root" login for SSH sessions (via Putty Login) has been disabled by default. It can be enabled by just editing "sshd_config" file and then restarting "ssh" service. To start with login to raspi via ssh using the default "pi" credentials. Then elevate yourself to super user "sudo"

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Anyone know how to access RasPi GPIO without sudo ...

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As for Linux. I am an early implimenter starting in the days when it took days to get the bits to get a 386 going. By no means a ubber geek I am entirely self taught and work on a need to know basis. Always looking for people wishing to join in and can provide a private vehicle for a small development group on my hobby web site zlham.geek.nz.

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How to add new users and add users to groups- The Pi Hut

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If multiple people are using the same raspberry pi you may want to add new users so each person has their own user account. Adding a new user is simple enough, the following method was done whilst logged in as the default user 'pi' which has the root or 'sudo' privileges needed to add and modify user accounts. For this example we will create a new user called 'newuser', simply replace this ...

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Using pip on Raspberry Pi - Introduction | Raspberry Pi ...

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Sign in to (or create) a Raspberry Pi account to save your project progress and come back later. Sign In. What you will make. Find out how to use pip on a Raspberry Pi to easily install useful Python software. What you will learn. By following this guide, you will learn: What is pip?

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How to Create a New User on Raspberry Pi? - RaspberryTips

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By the way, if you are new on Raspberry Pi, I can help you to get started. In my mini-course, you'll easily improve your skills on Raspberry Pi, from the very first steps to your first entire projects. Currently, my e-book is included for free in this course. Click here to get all the details.

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The Basics of File Permissions in Linux - Pi My Life Up

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Column 3. This column specifies the username of the user that owns the file or directory. When setting permissions for the "Owner" permission group, this is the user that it affects. For example, if the owner of the file is a user called pi and they have the permissions rw-set, then that user will only be able to read and write to that file or directory.

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Linux file access permissions reference - Raspberry Pi ...

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Raspberry Pi Index Getting started. Raspberry Pi Linux computer for learning programming; Using the command line. Linux documentation and help reference guide; ... The root user (superuser) There is a special user on each system with unlimited access to the system. This user has username and groupname of root and the numerical uid and gid of 0.

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Getting started with Raspberry Pi - Introduction ...

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Introduction. In this project you will connect up a Raspberry Pi computer and find out what it can do. Note: this guide is an introduction to the Raspberry Pi computer, there are also detailed guides to Setting up your Raspberry Pi and Using your Raspberry Pi. What you will make. The Raspberry Pi is a small computer that can do lots of things.

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Installation - guizero

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Linux / Raspberry Pi sudo pip3 install guizero --upgrade If you installed guizero using the easy install method, to upgrade you should follow the same easy installation steps to download the latest version of guizero, then delete the old guizero folder and replace it with the newest version.

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List running processes | Raspberry Pi

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A process is an instance of a running program.When you run a command in the terminal, a program is run and a process is created for it. Each process has a process id (PID) and it's associated with a particular user and group account.The ps (short for process status) command is used to list processes currently running on your Raspbian system.It can accept a lot of options that can come in ...

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Useful Blogs

How Do I Log Into Zoom App for Online Classes?

 You can easily use the zoom account for the online classes by signing up and downloading the app for free. Zoom can be downloaded on either PC, Mac, Android, or iOS, and up to 100  people can join an online class/ meeting in the free model. Once you have downloaded the app, an account will need to be created, and you can make one using an already existing Facebook or Google profile. What is the Zoom App? Zoom is a video conferencing and webinar tool available to all the current, including college, university students, and business users, to work remotely. It is simple to use and provide cloud-based web, video conference, and webinar solution. Furthermore, with the zoom app, you can easily attend a video meeting or webinar directly from your computer, mobile device or an on-campus zoom configured classroom. How to Download Zoom Zoom is a free platform that can be accessed on any device with an app store. You can download it easily from the app store on your phone, computer, or tablet. You can also download the zoom from the apple store if you have iOS or Google if you have an android. Suppose you have an iPhone click get and then open once the app downloads. If you have an android, click install, then open the app once it’s finished downloading. Furthermore, you can also download it for your computer by visiting the zoom online download center. How To Use Zoom Once you have downloaded the free zoom software, then it’s time to get started. Launch the app, and you will see the screen that says join meeting or sign in. If you already have login information, then you can sign in and join a meeting. If you are new to the app, you will have to create an account. But you don’t need to worry because it is free. How to Join a Zoom Meeting For The Online Classes: People who want to join the zoom meeting for the online classes through the app or accept the email invite. If you want to join the zoom online class Zoom meeting for those who have downloaded the app, all you need to do is sign into your account and click join. Once you have selected join, you will need to enter the unique meeting ID number and display name. For those who don’t have the app downloaded, you can join the meeting by way of the email invite. You have to click the link provided in the email invitation, and you will be redirected to the zoom and the meeting. You need to sign in to your account to get all the benefits offered by Zoom. Benefits Of Zoom You are doing the big thing, and acting as IT support should not be one because it provides straightforward purchasing and deployment with no hidden fees. It is one click to start or join any meeting, and the zoom provides easy collaboration and participant controls. Zoom is one of the popular Apps all over the world and is mostly used these days for online classes and meetings. Modern Communication way for the Students: One of the big benefits of the zoom app is that with the Zoom app, you can easily get your students together up to 100 participant standard or to have a quick one on one meeting. Our HD audio and video deliver even in a low band with environments. So by this, your students can easily connect to their studies and focus on their studies.   Like Live Event: Zoom provides great benefits. Zoom not only brings the video for the presenter, but it also adds video for the attendees. It means that the presenter you are not speaking to your computer. You are presenting to a real live audience. So when they ask questions, you can easily see and feel that what they want to know and hear their question. Replay the Video: It is easy for the students because the zoom app also records all the videos from multiple students. The attendees are part of the questions and the answer. It allows the whole event to be captured and not and also includes the question asked by the attendees via the chat. The attendees who could not make it can experience the event as though they were there with the full video of everyone who speaks included. Scalable: Zoom is the best app and truly scalable. The zoom provides the ability to support 500 interactive participants and up to 10000 viewers; zoom can cope with your meeting requirements whether you have to conduct the big class or small no matter because the zoom allows up to 100 students.
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How Do Log into The Zoom App on My Phone App?

Several companies began the trend of the video conference Zoom conference for several business meetings, interviews, and others. Moreover, several individuals face problems with the long connection lost with family and friends to chat with them face to face and get to the conversation as they prefer. Guide for using zoom application from mobile phones It is a quick guide with the help of which you can get the zoom application to connect online. You can start with several features using online features that mostly the Zoom application can give you. One thing to keep in mind while one to one video call is important for the unlimited 40 mins video calls. Moreover, if you wish to have longer calls without any interruption with new extra features, you can also pay for the Zoom pro plan. Alternatively, you can also sign up for the video conferencing as you want. Sometimes the video session also increases from the 40 minutes session. Furthermore, the verge finds that there are evening meetings as well when the time is running out. Zoom mobile app            If you wish to have the zoom mobile app, it is the best way to go. You need to download it into your cell phone with the options you want to have. Furthermore, you will have the option to join the meeting from the zoom. For this purpose, you wish to have the zoom account for sign up option. Then you will be asked for confirmation of age. Once you have done that, you will proceed to the next screen. From there, you will be asked about the email address, and from there, you get the last name and your first one. Once you are done with the signup, you will be proceeding to the sign up in your account for email activation. After then you can activate your account with the email you have received. Also, you can paste and copy with the help of the URL from the mobile browser. After that, you will be asked about the same steps outlined to make the account get from the mobile browser. Once you have gotten into the screen, you need the Zoom URL to start from the start meeting. From there, you can tap to enter to get the test of the zoom app. To open the profile, you need the sign to get your test you wish to have for the login information. After then, your test meeting will open into the app of Zoom. Starting meeting now Once you have registered with the help of Zoom and installed the application there, it is simple to start the meeting you are waiting for. Using with the help of a web app Open the application First, you need to click on the new orange meeting option to start the meeting immediately. Furthermore, you can easily open the window, and then from the pop window, you will be asked if you wish to join the meeting with the help of computer audio and if you wish to test the speaker and microphone. However, if you are fed up with the problem, you can also off the tab's notification. Click on the start button It would be best if you found the toolbar, then from there, with the help of the mouse and the window, click on the participant's buttons. Once you enter the Zoom app from there, you will see the zoom emails, contact and you can also check the zoom meetings. You can also access the meeting of the URL to your clipboard and the longer message with the help of the URL with dialing information that you must put into the information you need. Also, you can find the password in the menu. However, when you are ready, you can invite the person with the invite option's help. With the help of the mobile app You can open the tap of the new meeting. After then, you can choose from the personal meeting ID and then click on the start meeting option. However, to invite people from the meeting tap, you can invite the participants on the bottom of the icon and then invite the button from the bottom of the screen. Once you are ready to do it, you can do it with several options on Zoom; zoom contacts, and then copy links from the zoom clipboard. Schedule meeting You can also set the time, date, and zonal time to meet with the zoom app's help. For this purpose, you also need a personal meeting ID. If you do not have one, then you need to arrange a meeting for yourself. Conclusion All in all, it is the method that you can easily schedule the meeting you wish to have. You can easily on the meeting with the help of arranging a zoom meeting when you wish to have the comfort of using the zoom app.  
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How to Sign Up for a Gmail Account?

Setting a g-mail account is an easy option. You will begin a task once you have created a Google account, and you can use a quick sign-up process through which you can use your Gmail account name. In this blog, we will learn how to set a Google account for Gmail and how you can edit the contacts, mail settings, and sending mail. Setting a Gmail account To create a g-mail address, you first need to set a Google account. From there, you will be redirected to the Gmail account sign up page. From there, you must learn some basic information like birth, name, gender, and date. Also, from there, you need to choose your name for the new Gmail address. Once you have created an account, then you can adjust your mail settings. Creating an account  First, you must go to the google website and then create an account that you prefer.  From the sign-up form. Follow all the directions that are important for every required information.  Next, you must enter your cell phone number to verify your account. Moreover, Google can use the two-step verification process for your security.  Furthermore, you can get the verification code from google. After then, you can also use the entering code to know about the account verification.  Moreover, some other brands can also see personal information like the birthday and your name.  After then you can use the google terms of services and the privacy policy, then you must be agreeing about it.  Then your account will be created Moreover, it is important to get a strong password, and in order words, it is difficult for someone else to guess. Your password must contain the upper case and the lower-case letters with the symbols as well. You should focus on creating a strong and easy-remembered password when meeting common errors when logging in. Sign in to your account When you have created your account, you will automatically be signed in to your account. Moreover, you also need to sign in and sign out when you are done. Signing out is one of the important parts to share on the computer because it will preview your emails. To sign in Go to the Gmail account Type the name you want to mention there and the password as well, then you can click on next. Sign out From the top right of the page, you can enter the option of locating the circle to sign out. You can click on the sign out option on the page. Mail settings Sometimes you wish to make changes in the mail's behavior and appearance. You can create the vacation reply or the signature, but you can change the theme and edit your labels. These settings can be made from the mail settings. Adding contacts Like every other major setting, you can easily have complete control over the address book provided by google. However, you can also memorize the contact information like phone, physical addresses, and others. Adding a contact From the drop-down of the contacts menu, you can click on the contacts you wish to have. From the add new contact, you can get the from the lower right corner, and from there, you can enter the save option. To edit contact From google, click on the drop-down menu, then you can select the option of the contact. After then you can edit the change you want to make I the connection. However, by default, you can edit all the changes into your contacts as the person needed. Important contacts and mail You must have the contact list from all the email addresses, and there would be the re-enter of the information that you can already be working on manually. Gmail allows all the essential information you wish to have manually. Gmail can also import the information from the email messages from the account. Several email providers like AOL, Hotmail, and Yahoo. Adding another account From the top right corner, click on the settings on the page. Then go to the add a mail account. From there you can follow every important information to your mail. However, you might feel challenge you do not have a Gmail account. If it is the issue, then you must create one Gmail account. After then, you must Navigate the Gmail settings and then set the preferences in the Gmail settings. After then you can set the new contact you wish to have. Sending an email When you have written the email, then from the compose window, you will get the email recipient's option of the email address, and there you enter from the subject and the body of the email message itself. From there, you can get the various formatting of the texts and even more attachments. Then enter the send option and send the task. Conclusion All in all, sending an email and making an account on Gmail is the easiest option. Therefore, there are millions of ids in Gmail. Hence, you only need to have some seconds to learn about how to make your own Gmail id.  
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How to Fix "Face ID not working" Problems on iPhone?

iPhone is one of the most famous phone brands, recently the iPhone launched a great feature of facial ID, replace fingerprint. In case any issue raises in this feature, you should know How to Fix "Face ID not working" Problems on iPhone. However, you can instantly sign into apps or authenticate your buying details. It is undoubtedly a fantastic technology, but it will fair enough frustrate you in the case of malfunctioning in your iPhone. Therefore, in the first hand, you should check that your iPhone model supports face ID or not. There are a lot of causes that "Face ID is not working", firstly you need to check your iPhone thoroughly. Which iPhone Models Support Face ID?   Facial ID technology is the latest feature for the iPhone. That's why only some models on the market feature it relatively. Only iPhone XS Max, iPhone XR, iPhone XS, or iPhone X allows this feature, so you can set up as well as using facial ID on your phone if you have one of those models. However, the previous models do not have this feature. Check for the Latest Updates Once you have analyzed that your iPhone is one of the models supporting facial ID, you should check for any updates to iOS. Therefore, make sure to back up your iPhone by using iTunes or iCloud before any updates to be done if you do not want to lose your data. Plug your device into an outlet. Connect to the internet that has high-speed Wi-Fi. Tap to Settings options. Click on "General". If it appears that there is a software update, immediately hit on Install button.  A message will appear which asks you to temporarily remove apps because iOS required additional space for an update.  You are allowed to tap on "Continue" to respond that you want to reinstall the apps later. Check to determine if the facial ID is fixed after you have installed the update. If it has not done its task, then switch to the next option. Check Your Face ID Settings Properly If you check the face ID settings on your iPhone regularly, it will help you evaluate whether the phone is configured, which enables you to use this feature. The setting can be changed by keeping in mind the steps given as under: Go to Settings Go ahead for Face ID and Passcode. Check it out if Face ID is set up in the correct format. Therefore, you should check to determine if the features you are trying to use Face ID, such as iPhone unlock or Apple Pay, are turned off. Solution if Face ID is not Set-Up If you have not set up your Face ID still, you are required to do that before you enable to use any of the features with which it is associated. Follow these steps to set up your Face ID: Go to Settings. Go ahead for Face ID and Passcode. You will have to enter your passcode there when prompted to do so. Tap the message prompted to Set Up Face ID. Ensure that your holding position of iPhone is in portrait orientation position. Head your face in front of the iPhone, then press "Get Started". Head your face in a way that it is entirely inside the frame. Slowly move your head to complete the circle. On the other hand, if you cannot transfer your head as directed, then instantly tap Accessibility Options. Tap Continue after accomplishing the Face ID scan. Slowly move your head around to complete the second circle. If you have not still set a passcode, then a message will be prompted to do so at the moment; Tap "Done". It is a substitutive way to verify your identity if the Face ID features malfunction ever. Check to determine if the True Depth Camera is Covered Have you reached this point and have tried the options we have discussed above? Still, the facial ID is not working? Now you should check if the True Depth camera is not covered in any way. It is what the iPhone uses for this feature. The True Depth camera is located near the top of the front of your iPhone. If your phone has a screen protector that is blocking the camera, you will have to remove the protector for this feature to work correctly. Furthermore, check for any dirt, grime, or other buildup.  You should check to see if the camera is in landscape mode as well. If it happens, ensure that your palm or finger is not blocking it while trying to use it. If this situation raises continuously, you should look for the alert at the top of the screen, which prompted that "Camera Covered," with the arrow pointing in the True Depth camera direction. Ensure Your Face is Uncovered You should further check to ensure that you face open and not covered at any mean that is keeping the True Depth camera from recognizing you. Therefore, your eyes, nose, and mouth area must be evident to the camera.
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