System Related

/etc/conf.d/local.start

This is a good place to load any misc applications/scripts at boot. Make sure to append ‘1>&2 > /dev/null’ to the end of the program run line.

/etc/conf.d/local.stop

This is a good place to unload any programs that were started with ‘/etc/conf.d/local.start’.

/etc/dispatch-conf.conf

Configuration settings for dispatch-conf (an alternative to etc-update with similar configuration parameters).

/etc/etc-update.conf

Configuration settings for etc-update (such as your favorite diff-command, arguments for cp, mv and rm) are stored here.

/etc/login.access

Controls which users can log in, and from where. Useful to forbid root logins from anywhere but physical console.

/etc/login.defs

Contains many variables for controlling logins, such as password aging and the number of permissible login attempts by a user.

/etc/make.conf

This is probably the most important of all the configuration files – it controls how Gentoo builds new packages you emerge. See the man page for more information.

/etc/modules.autoload.d/kernel-2.x

File which lists the kernel modules to load at boot

/etc/rc.conf

Sets basic system startup options, such as your editor of choice and X Windows display manager/session (if you use X).

/etc/sysctl.conf

Config file for sysctl. Sets kernel parameters on startup, such as ip_forward.

/etc/updatedb.conf

Settings for filesystem types that are NOT indexed by updatedb (or slocate -u). If you want an NFS or Samba mount to be indexed, you can remove the appropriate types from the PRUNEFS variable. The types are the same as used in the /etc/fstab file.

/etc/conf.d/cryptfs.conf

Config file for cryptsetup-luks. Sets cryptsetup-luks parameters on startup, such as mounting points.

Network Related

/etc/conf.d/distccd

If you are using DISTCCD to speed up compilation on a network, there are some options here. Of particular interest is the DISTCCD_NICE variable.

/etc/conf.d/net

Basic network card configuration. Contains details of how the IP address is set, as well as the gateway. Both static IP’s and DHCP is configured here.

/etc/conf.d/wireless

Wireless network card configuration. You need a pretty new baselayout for this though (eg. 1.9.x).

/etc/hosts

Lists the IP addresses of hosts on a local network. IMPORTANT: the line 127.0.0.1 localhost should always be present!

/etc/resolv.conf

Lists your DNS servers. If you are using DHCP, this file will be overwritten each time your network interface goes up.

/etc/ssh/sshd_config

Settings for the SSH server. One important setting is PermitRootLogin which you can set to “no” to disable root logins (you can still ssh as a normal user, and then su to root).

Hardware Related

/etc/fstab

This is the list of devices that should be mounted at boot time (e.g. hard disks), and also defines mount points for other devices (e.g. CD-ROMs).

/boot/grub/grub.conf

If you are using the GRUB bootloader, this is normally where the boot menu config file is.

/etc/lilo.conf

If you are using the lilo bootloader, an example config is includes at /etc/lilo.conf.example

See Also HOWTO Framebuffer:Bootsplash:Grubsplash

Sound Related

/etc/asound.state

ALSA audio settings. This file is auto loaded and saved on startup and shutdown. Tune (indirectly) via `alsamixer`

~/.openalrc

OpenAL per-user settings. This is used by programs that utilize the OpenAL sound library such as Unreal 2003/2004

See Also HOWTO ALSA sound mixer aka dmix

Video Related

/etc/X11/xorg.conf

X.org configuration. If this file does not exist then /etc/X11/XF86Config is used.

See Also: Index:XOrg

网卡配置文件

/etc/conf.d/net