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This is Linux administration categories. Here I am writing very useful Linux related information which relates to Oracle DBA task.
How to set default gateway in linux | It’s very important to setup default gateway in linux/solaris/unix server to access the server from client machine. You can configure the static or temporary routing. Setup default gateway in linux. Before going to add default gateway in your operating system, delete your existing default gateway if you intend to change … Read more
How to add route in Linux.| Sometimes we need to add IP using route add command in Linux server. This has very important to access the server from client machine. Without proper route entry user unable to access the server. How to check existing route entry in Linux?. We can check the existing route entry. Adding … Read more
Introduction:- Here’s how to delete route in Linux to access the server from client machine. To check the current entry in routing table in Linux use below command. To Check existing route entry. How to delete route in linux? If any unwanted ip address showing in routing table, we must use below command to delete the ip from … Read more
Suddenly mta stopped postfix is not running on Zimbra server. After that try to restart the Zimbra services but it does not succeed. Zimbra is SMTP server for oracle workflow notification. If you’re encountering an issue where the MTA (Mail Transfer Agent) service, specifically Postfix, is not running, there could be several reasons for this … Read more
In this article , we will discuss how to setup password less ssh login on RedHat linux, OE linux and solaris. After enable password less ssh login on Linux,solaris or unix server. We can easily switch to another server without enter password. Setup Password less SSH in Linux Server :- SSH is an … Read more
Here we will cover how to prepare Shell script to File transfer file on remote system using ftp. Below is the procedure to ‘copy file using file transfer protocol (FTP) shell scrip’ an we will see ‘How to Use Linux FTP Command to Transfer Files’. In this shell script(filetoftp.sh) we will receive notification on mail if file … Read more
Introduction: – Suddenly we faced the error ‘Open file limit ‘ while login on Linux server and try to run df -h or any other command. Here will see outofmemory and resolve too many open files error. The likely cause of this issue is hitting max “Open file limit“. This error indicates that all available file handles … Read more