So you have to use sudo command when you need the root authority. If you don’t like using the sudo command every time you need, you can set up the root password and be able to use the su command. After logging in as ec2-user, you can change the root password as below: $ sudo passwd Using the password changed here, now you can be...
We recommend you to first test the kdump configuration by issuing a Kernel panic via theSysRq-Trigger. The SysRq-Facility is a special key combination that, when enabled, allows the user to force a system’s kernel to respond to a specific command. This feature is mostly for troubleshooting...
scripts, and .ini files are installed on this machine. Currently, the pre- and post-backup scripts run as the root user. Because of this, backing up volumes for RHOCS independent mode will require that the bastion host can SSH as the root user with passwordless access to one of the...
Change to therootuser. $ sudo su root@ip-189-31-99-179:/home/ubuntu# Install v2ray on the Linux server. # bash <(curl -L -s https://install.direct/go.sh) Installing V2Ray v4.22.1 on x86_64 Downloading V2Ray: https://github.com/v2ray/v2ray-core/releases/download/v4.22.1/v2...
For this, it is required to edit the file/etc/passwdand just changeUIDandGIDto0: $ grep john /etc/passwd john:x:0:0::/home/john:/bin/sh Add User To Root Group If you just want to addjohnto root group, without granting him all root privileges, run the following command: ...
These two configuration files are used to configure thecfn-hup daemon. This daemon detects changes in the EC2 resource metadata and runs user-specified actions when a change is detected. This allows you to make configuration updates on your running Amazon E...
One option is to use anauto scaling schedule, which can change the size of the cluster at a scheduled time during the day. For example, if traffic to your cluster is much higher during normal business hours, you can use an auto scaling schedule to increase the number of servers at 9 a...
EBS volumes must exist within the same Availability Zone (AZ) as the EC2 instance to which they're attached. There are many ways to identify which AZ an EC2 instance is running. Luckily for us, the openshift-installer tags each worker's root volume with a name that includes the AZ, mak...
If you answered yes to either of these questions, it’s an excellent time to consider DevOps. DevOps helps simplify and optimize development and deployment workflows by creating a new software development ecosystem. But how do you implement DevOps? One of the primary challenges of DevOps is...
How to check and filter open files in Microsoft Windows for a user Popular Recover or Bypass the running configuration on a Cisco Catalyst 9300 switch, follow these step-by-step instructions: March 1, 2025 [Solved] How to change the root site URL in SharePoint online ...