How to run the compiler with root privilege on Linux?

First of all, the data cable is connected to the mobile phone and the computer.

It takes about 3-5 minutes to complete the code draft, and the mobile phone can be disconnected from the computer.

Whether the terminal is running as root, or whether the system is logged in as the root user.

If the root user still can't execute the program, then there is only 1 possibility -- the file attribute is not executable.

You can use the following command to set the file permissions to executable, and then try again:

Method 1) chmod +x filename.

Method 2) chmod 755 file name.

Compiled? There are no executable permissions.

ls -l to see if there's 'x'Sign.

If you don't have chmod +x yourprogram, if it's not in the path environment variable, you need to prefix it with .Or a shell like bash

For example, the program you compile is yourprogram, run:

yourprogram

Or. bash yourprogram

If you find it troublesome, you can use .Add the path environment variable.

export path=$path:.

This is fine enough to run the program directly, but the security is not very good and it is not recommended.

Hello !Sony Xperia Z4, not available yet"One-click root"The tool can root it successfully.

Master Root, Odd Rabbit, Master Zhuo, Baidu, Ding X, 360, King Root, Elf are not good.

If you really want to call it root, it is recommended to use Sony Flashing Tool to flash the 3rd party recovery and then flash the attached file root file

or Sony Flashing Tool Brush 3-way recovery and then flash Rooted ROM

The rooting operation may affect the stability of the phone, and there may be failures such as dead eggplant.

Rooting is a modified operation of the software and is not covered by the warranty according to Sony's official terms.

However, if you want to restore the original version after rooted, you can still brush the official ROM to remove the root, so that it will not affect the system upgrade and the 3-pack warranty.

After rooted, it is recommended to install ES to manage application permissions.

Hope this helps you!!

1. Enter the username and password to log in to the virtual machine.

2. Install a certain software, and it turns out that the current user does not have permissions.

3. Enter su and enter the root password to enter the root mode.

4. Enter the command: visudo enter, then press enter twice, then use the arrow keys to flip down and find: root all=(all) all.

6. Click the [ESC] button to exit the [] mode.

Create a user first.,Pro-usradd username (it seems like this.,Cover your face).。。 password yourpasword。。This adds a new user.

Then su username will enter your new user.。。

Home User sets permissions for this user, ACL (Access Control).

ACLs can set the permissions of a specific user or group for a file.

m Modify all files with ACLs

x Disprivilege a file or group.

setfacl --m u: username: permission "filename" to set the access rights of a user.

setfacl --m g: group name: permission "file name" Set the access permissions of a group.

setfacl --x u: username: permissions《filename》 Revoke a user's access.

setfacl --x g: group name: permission "file name" canceled.

Such: setfacl -m u:user:777 home user

This permission should be able to be executed.

From what I've observed, you may need to use the runuser command.

Format: runuser -c home user user

If you are logging in as a normal user, enter "su - root" (excluding quotation marks) at the command prompt and enter the password to switch to root.

Or log in directly to the root account when you boot up.

That's pretty good, good program.