Configure the Operating System

After installing or updating Adaptive Server, adjust configuration settings.

You can configure some Adaptive Server settings during installation. Unless stated otherwise, configuration information pertains to all supported UNIX platforms. See the Installation Guide for more details.

• Verifying Environment Variables
  Use env at the operating system prompt to verify that the Adaptive Server environment variables are set correctly.
• Using the stty Setting
  Set stty tostop to stop a background Adaptive Server from writing output to the terminal.
• Restore Correct Permissions
  Sybase software files and directories are installed with the correct access permissions. If necessary, you can restore the correct permissions with the script setperm_all, located in $SYBASE/$SYBASE_ASE/install.
• File Descriptors and User Connections
  The number of user connections used by Adaptive Server cannot exceed the number of file descriptors available to Adaptive Server on the operating system.
• Enable Asynchronous Disk I/O
  Enable asynchronous disk I/O on Linux, IBM, and HP-UX.
• Adjust the Client Connection Timeout Period
  Adaptive Server uses the KEEPALIVE option of the TCP/IP protocol to detect inactive clients.
• Check for Hardware Errors
  Check for hardware errors on a regular basis.
• Monitor the Use of Operating System Resources
  Monitor operating system performance.
• Check Database Integrity
  Run dbcc checks and perform database backups to protect the integrity and recoverability of your Adaptive Server databases.