OpenSSH 8 I found there're some problems related to secure file copy (scp) happened in Oracle 19c when OpenSSH is 8 or higher in Linux… Read More »How to Resolve OpenSSH 8 Problems for Oracle 19c
In iSCSI, we call clients as initiators. For allowing only specific initiators to access the target, we have to put all allowable initiators in the… Read More »How to Limit ISCSI Initiator Name to Access
What makes a running instance shutdown itself could be a very complicated topic to talk about, because we have to know what instance was thinking.… Read More »DB Failed by ORA-63999 ORA-00471 or ORA-19809
You may know that you should change hostname and change NIC configurations after cloning a VM, but you may not know there could be iscsi… Read More »How to Change Initiator Name after Cloning
When I retrieved a file from a remote host, ftp aborted the transfer immediately....ftp> get alertORCL.log200 PORT command successful.150 Opening data connection for alertORCL.log (3347200… Read More »426 Transfer aborted. Data connection closed.
In this post, we will introduce two kinds of ways to build user's SSH equivalency. Both methods are good. Manual establishing can make your know… Read More »How to Build SSH Equivalency Between Two Servers
Making Filezilla Preserve Timestamp By default, all downloaded files are new to client machines, so their modified date are the date they downloaded. It'll become… Read More »3 Steps to Make Filezilla Preserve Timestamp
Almost all free mail providers like Gmail and Yahoo Mail will filter out spam or spoofed emails by validating the source (SMTP server), if your… Read More »How to Make Your Mail Trusted by Gmail and Yahoo Mail