In this post will show you the commands used in Unix or Linux operating system to stop and start Oracle database and listener services. Here I have used RedHat Linux server as an OS platform to show you the steps to stop and start of both Oracle database and listener services.To perform the same as a first step you need to login to Linux OS as an … [Read more...]
How to Check the Last Login for Users in Linux
In this article will show you how to check the last login for users in Linux. For the same, you can use “last” or “lastlog” command to find which user logged in, login time and logged out. Usually the “last” command will use /var/log/wtmp file to search and display the list of all logged in and logged out users. The “lastlog” command will use … [Read more...]
How to Kill Unresponsive Terminal Sessions in Linux
In this post will show you the steps to check and kill unresponsive terminal sessions in a Linux machine. Whenever you open a new terminal session it will create a new process in the background which will have a process id the same which you can use it to kill the process whenever it's unresponsive or forced to kill an unwanted opened session. … [Read more...]
Linux: How to Create Logical Volume Using Maximum Available Free Space in Volume Group
In this post will show you how to create logical volume using maximum available free space in volume group. As a scenario, I have faced a situation at one of our customer site to create a new logical volume by allocating maximum available free space of 5TB in the volume group. You can use “lvcreate” command in Redhat Linux or CentOS to create a … [Read more...]
How to Add a User in Oracle Solaris 11
In this article will show you how to add a user in Oracle Solaris 11. You can add a new user by using a “useradd” command which will create an account for the specified user. After you create a new user, you should assign a password for that user to make it active or till then that user will be in a locked state. Therefore I will always prefer to … [Read more...]
How To Change The TimeZones in RedHat Linux
In this post will show you how to list and change timezones as per to your current location in RedHat linux operating system. Execute the below command in a shell prompt to list all the available timezone. root@redhatlinuxcli# timedatectl list-timezones Login as a root user and then execute the below command to change the presently used … [Read more...]
RHEL 7: How To Display Date and Time In RedHat Linux
This post will show you how to display date and time in redhat linux 7. The timedatectl utility is disseminated as a part of the systemd system and service manager, which will permit you to review and alter the configuration of the system clock. Also, it will allow to use this tool to change the existing date and time and to set the time zone, … [Read more...]
How to Install VMware Tools In a Linux Operating System
In this article will show you how to install VMware tools in a Linux guest operating system. Here I have used Redhat Linux operating system as an example and follow the below steps and its respective screenshots to perform the same. Make sure that RedHat Linux virtual machine is powered on. Use putty and login to the operating system as a … [Read more...]
