17.1. What to share
Of the many configuration files on a Linux system, only a subset can be usefully shared among machines. The most commonly shared files are listed in Table 17.1.
Table 17.1. System files that are commonly shared
|
Filename |
Function |
|---|---|
|
/etc/passwd |
User account information database |
|
/etc/shadow[a] |
Holds shadow passwords |
|
/etc/group |
Defines UNIX groups |
|
/etc/hosts |
Maps between hostnames and IP addresses |
|
/etc/networks[b] |
Associates text names with IP network numbers |
|
/etc/services |
Lists port numbers for well-known network services |
|
/etc/protocols |
Maps text names to protocol numbers |
|
/etc/ethers[b] |
Maps between hostnames and Ethernet addresses |
|
/etc/mail/aliases |
Holds electronic mail ... |
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