Sybase DC35823-01-1500-04 manual Configuring the Operating System, Setting environment variables

C H A P T E R 3

Configuring the Operating System

This chapter discusses the operating system configuration settings that you can adjust after installing or upgrading Adaptive Server. Unless stated otherwise, the information pertains to all supported UNIX platforms.

Topic	Page
Setting environment variables	29
Configuring new servers with srvbuild	30
Using the stty setting	33
Restoring correct permissions	34
File descriptors and user connections	34
Enabling asynchronous disk I/O	38
Adjusting the client connection timeout period	41
Checking for hardware errors	42
Monitoring the use of operating system resources	43
A sample C shell maintenance script	45

Setting environment variables

Note As part of the installation, the installer creates SYBASE.sh and SYBASE.csh files in $SYBASE directory for user to source to setup all the environment variables.

It is crucial to the operation of Sybase products that the system environment variables be set correctly. Environment variables are set in the user’s environment either interactively or by including them in the user’s .login and .cshrc files (for C shell) or .profile file (for Bourne shell).

Only the file owner or the “root” user can edit a user’s .login, .cshrc, or

.profile file.

Configuration Guide 29