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5287284880
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22665 3c298f89-4303-0410-b956-a3cf2f4a3e73
128 lines
4.1 KiB
Plaintext
128 lines
4.1 KiB
Plaintext
#
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# For a description of the syntax of this configuration file,
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# see scripts/kbuild/config-language.txt.
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#
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menu "System Logging Utilities"
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config BUSYBOX_CONFIG_SYSLOGD
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bool "syslogd"
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default y
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help
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The syslogd utility is used to record logs of all the
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significant events that occur on a system. Every
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message that is logged records the date and time of the
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event, and will generally also record the name of the
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application that generated the message. When used in
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conjunction with klogd, messages from the Linux kernel
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can also be recorded. This is terribly useful,
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especially for finding what happened when something goes
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wrong. And something almost always will go wrong if
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you wait long enough....
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config BUSYBOX_CONFIG_FEATURE_ROTATE_LOGFILE
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bool "Rotate message files"
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default y
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depends on BUSYBOX_CONFIG_SYSLOGD
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help
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This enables syslogd to rotate the message files
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on his own. No need to use an external rotatescript.
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config BUSYBOX_CONFIG_FEATURE_REMOTE_LOG
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bool "Remote Log support"
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default y
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depends on BUSYBOX_CONFIG_SYSLOGD
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help
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When you enable this feature, the syslogd utility can
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be used to send system log messages to another system
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connected via a network. This allows the remote
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machine to log all the system messages, which can be
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terribly useful for reducing the number of serial
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cables you use. It can also be a very good security
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measure to prevent system logs from being tampered with
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by an intruder.
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config BUSYBOX_CONFIG_FEATURE_SYSLOGD_DUP
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bool "Support -D (drop dups) option"
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default n
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depends on BUSYBOX_CONFIG_SYSLOGD
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help
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Option -D instructs syslogd to drop consecutive messages
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which are totally the same.
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config BUSYBOX_CONFIG_FEATURE_SYSLOGD_READ_BUFFER_SIZE
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int "Read buffer size in bytes"
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default 256
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range 256 20000
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depends on BUSYBOX_CONFIG_SYSLOGD
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help
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This option sets the size of the syslog read buffer.
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Actual memory usage increases around five times the
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change done here.
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config BUSYBOX_CONFIG_FEATURE_IPC_SYSLOG
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bool "Circular Buffer support"
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default y
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depends on BUSYBOX_CONFIG_SYSLOGD
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help
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When you enable this feature, the syslogd utility will
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use a circular buffer to record system log messages.
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When the buffer is filled it will continue to overwrite
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the oldest messages. This can be very useful for
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systems with little or no permanent storage, since
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otherwise system logs can eventually fill up your
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entire filesystem, which may cause your system to
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break badly.
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config BUSYBOX_CONFIG_FEATURE_IPC_SYSLOG_BUFFER_SIZE
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int "Circular buffer size in Kbytes (minimum 4KB)"
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default 16
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range 4 2147483647
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depends on BUSYBOX_CONFIG_FEATURE_IPC_SYSLOG
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help
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This option sets the size of the circular buffer
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used to record system log messages.
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config BUSYBOX_CONFIG_LOGREAD
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bool "logread"
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default y
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depends on BUSYBOX_CONFIG_FEATURE_IPC_SYSLOG
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help
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If you enabled Circular Buffer support, you almost
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certainly want to enable this feature as well. This
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utility will allow you to read the messages that are
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stored in the syslogd circular buffer.
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config BUSYBOX_CONFIG_FEATURE_LOGREAD_REDUCED_LOCKING
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bool "Double buffering"
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default n
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depends on BUSYBOX_CONFIG_LOGREAD
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help
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'logread' ouput to slow serial terminals can have
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side effects on syslog because of the semaphore.
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This option make logread to double buffer copy
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from circular buffer, minimizing semaphore
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contention at some minor memory expense.
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config BUSYBOX_CONFIG_KLOGD
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bool "klogd"
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default y
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help
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klogd is a utility which intercepts and logs all
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messages from the Linux kernel and sends the messages
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out to the 'syslogd' utility so they can be logged. If
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you wish to record the messages produced by the kernel,
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you should enable this option.
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config BUSYBOX_CONFIG_LOGGER
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bool "logger"
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default y
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select BUSYBOX_CONFIG_FEATURE_SYSLOG
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help
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The logger utility allows you to send arbitrary text
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messages to the system log (i.e. the 'syslogd' utility) so
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they can be logged. This is generally used to help locate
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problems that occur within programs and scripts.
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endmenu
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