Information Technology/Linux3 How to grant root authority to specific accounts(Super authority Permission) in Linux CentOS7 Depending on the server operator's operating policies, this may be necessary, but not recommended! If you create a subroot account separately and change the existing root account to make it inaccessible, you will have some security against simple server attacks. Now there are a total of three files that need to be modified to work. All of this must be done after first logging in to the root acco.. 2019. 8. 19. How to install java in Centos7 step by step 1. You have to install OpenJDK 11 JDK at the first time (As you know, OpenJDK 11 is the current LTS version of Java and the recommended version to install) sudo yum install java-11-openjdk-devel 2. Verify the installation, you can check to run the following command which will print the Java version java -version At that point, you should have successfully installed Java on your CentOS system. 2019. 8. 13. How to enable automatically login without private key in AWS EC2 Linux CentOS7 You have to edit file named sshd_config sudo vi /etc/ssh/sshd_config - PermitEmptyPasswords no - PasswordAuthentication yes - ChanllengeResponseAuthentication no Then, you have to Save and Restart! systemctl restart sshd and then you have to restart SSH Services right now. **Please refer to the following document provided from AWS http://docs.aws.amazon.com/ko_kr/AWSEC2/latest/UserGuide/putty.html 2019. 8. 13. 이전 1 다음