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You're probably referring to the old X-Windows display redirection method. On the client you'd open up a xterm and allow server B to display content on your local screen: A$ xhost +192.168.2.1 Then you telnet to server B and say you want the application displayed on machine A: A$ telnet 192.168.2.1 B$ export DISPLAY=192.168.1.1:0.0 B$ myapp When ...


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Check also your firewall. Inbound port 1521 on the database server should be open (if you are connecting to the DB server from another server) .


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For a complete picture, in additionan to what was said above, Oracle Clusterware may also need relink if you're changing Linux kernel. For example if you use ACFS filesystem, Oracle has ACFS kernel drivers for a specific Linux kernel version. Not sure if minor kernel upgrades qualify for this though. It's not actually a relink itself that fixes acfs ...


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This is definitely a feasible approach. We use Ubuntu 14.04 for our host machines and run several Oracle 11g instances within Docker containers for development purposes as well. Currently (Docker 1.5) for both 11g and 12c the main issue is Docker's hard-coded shared memory limit Issue #2606. There are currently two workarounds for this: Use docker run ...


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There is "no way" how to stop Oracle working. Even backups are background non-blocking processes. Use RMAN for backups (which is recommenced). The other way would be to use very old-school approach. create standby controlfile for backup (it will create backup copy of Oracle's control file - having some old SCN in it) execute alter database begin backup. ...



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