SSH connectivity configuration provides connection among nodes without using password. If you configure ssh, nodes can connect with ssh without password. SSH configuration parameters are in path which is /home/username/.ssh/ . You have to make SSH configuration in connection user’s home directory. For example if you use oracle user for ssh connection, you have to…
Category: Operating Systems
Ethernet Bonding on Oracle Linux 6
Bonding technology provides an additional benefit in that with multiple network interfaces effectively supporting the same communications channel, a fault within a single network interface in a bonded group does not stop communication. For example, you have a bonded setup with four network interfaces providing a single interface channel between two DRBD servers. If one…
Delete Folders And Files Older Than Specific Day on Windows
If you want to delete folder older than specific day, you can use below command. You can add to windows schedule job for schedule run. Delete Command For Folders forfiles /p C:\temp\ /c “cmd /c if @isdir==TRUE RMDIR /S /Q @path” /d -30 Delete Command For Files forfiles -p “C:\temp” -s -m *.* /D -30…
RAID (Redundant Array of Independent Disks)
RAID (redundant array of independent disks; originally redundant array of inexpensive disks) is a way of storing the same data in different places (thus, redundantly) on multiple hard disks. By placing data on multiple disks, I/O operations can overlap in a balanced way, improving performance. Since multiple disks increases the mean time between failures, storing…
Delete File or Directory from Linux System
rm and rmdir commands uses to delete from linux system. rm command use for delete file. On the other hand, rmdir command uses for delete directory from linux system. Also, rm command can delete directory with -rf option. Firstly, we would create a directory and files for test. create directory and files #> mkdir /testdirectory…
Create or Delete Services in Windows Operating Systems
Services are added from the Command Prompt. You need to know the actual service name as opposed to what Microsoft calls the Display Name. For example, if you wanted to create or delete the Help and Support service, the name used at the Command Prompt would be “helpsvc” rather than the Display Name of “Help…
pg_dumpall with shell script and crontab in Linux
You can take schedule backup with shell script. Firstly, You must create shell script file in operating system. After you can append to crontab. Crontab is a UNIX command that creates a table or list of commands, each of which is to be executed by the operating system at a specified time. crontab is used…