Man page - savelog(8)
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SAVELOG
å 忏 åŧ
čĒŦ æ
ãĒ ã ãˇ ã§ ãŗ
ã ã°
éĸ éŖ é įŽ
įŋģ 荺
å å
savelog - ã ã° ã ãĄ ã¤ ãĢ ãŽ äŋ å
æ¸ åŧ
savelog [-m mode] [-u user] [-g group] [-t] [-p] [-c cycle] [-l] [-j] [-J] [-1 .. -9] [-C] [-d] [-l] [-r rolldir] [-n] [-q] [-D dateformat] file ...
čĒŦ æ
savelog ãŗ ã ãŗ ã 㯠ã å¤ ã ã ãĄ ã¤ ãĢ ãŽ ãŗ ã ãŧ ã äŋ å ã ã ãĒ ã ãˇ ã§ ãŗ ã§ å§ į¸Ž ã čĄ ã ãž ã ã file ãŽ å¤ ã ã ãŧ ã¸ ã§ ãŗ ã¯ ã äģĨ ä¸ ãŽ ã ã ãĢ å å ã 㤠ã ãž ã ã
file . <number><compress_suffix>
<number> 㯠į įĒ åˇ ã§ ã ã 0 ã æ ã æ° ã ã ãĒ ã ãž ã ã į įĒ åˇ ã > 0 ãŽ å ´ å ã -l ã æ åŽ ã ãĻ æ åļ ã ãĒ ã é ã å§ į¸Ž ã ãž ã ã į įĒ åˇ 0 㯠ã ã ã ãģ ãš ã ãž ã I/O ㎠ã ã ãĢ é ã ãĻ ã ã å¯ čŊ æ§ ã ã ã ã ã ã å§ į¸Ž ã ãž ã ã ã ã ãĄ ã¤ ãĢ ã cycle į ãž ã§ ã ã äŋ å ã ãž ã ã ã
ã ãĄ ã¤ ãĢ ã ãž ã å å¨ ã ã ã -t ã ä¸ ã ã ã ã 㨠ã ã ãĄ ã¤ ãĢ ã į æ ã ãž ã ã
ã ãĄ ã¤ ãĢ ã å å¨ ã ã ã ãĄ ã¤ ãĢ ãŽ éˇ ã ã 0 ã 㤠ã ã ã 大 ã ã å ´ å ã äģĨ ä¸ ãŽ ãĸ ã¯ ãˇ ã§ ãŗ ã åŽ čĄ ã ãž ã ã
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1) |
Version numbered files are cycled. Version file .2 is moved to version file .3 , version file .1 is moved to version file .2 , and so on. Finally version file .0 is moved to version file .1 , and version file is deleted. Both compressed names and uncompressed names are cycled, regardless of -l . Missing version files are ignored. |
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2) |
The new file .1 is compressed unless the -l flag was given. It is changed subject to the -m , -u , and -g flags. |
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3) |
The main file is moved to file .0 . |
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4) |
-m , -u , -g , -t , -p ㎠å ã ㊠㰠ã ä¸ ã ã ã ã å ´ å ã ã ㎠ã ㊠㰠ãĢ čŠ˛ åŊ ã ã įŠē ㎠file ã į æ ã ãž ã ã -p ã ãŠ ã° ãŽ å ´ å ã äģĨ å 㨠å ã æ æ č ã ã° ãĢ ãŧ ã ã ã ãŧ ã ã ãˇ ã§ ãŗ ã§ į æ ã ãž ã ã |
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5) |
The new file .0 is changed subject to the -m , -u , and -g flags. |
ãĒ ã ãˇ ã§ ãŗ
-m mode
ã ã° ã ãĄ ã¤ ãĢ ã mode ãĢ chmod ã ãž ã ã -t ã æ į¤ē ã ãž ã ã
-u user
ã ã° ã ãĄ ã¤ ãĢ ã user ãĢ chown ã ãž ã ã -t ã æ į¤ē ã ãž ã ã
-g group
ã ã° ã ãĄ ã¤ ãĢ ã group ãĢ chgrp ã ãž ã ã -t ã æ į¤ē ã ãž ã ã
-c cycle
Save cycle versions of the logfile (default: 7). The cycle count must be at least 2.
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-t |
æ° ã ã ã ã° ã ãĄ ã¤ ãĢ ã į æ ã ã ã ã touch ã ãž ã ã |
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-l |
ã ã° ã ãĄ ã¤ ãĢ ã å§ į¸Ž ã ãž ã ã (ã ã ㊠ãĢ ã : å§ į¸Ž ã ã ) |
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-p |
ã ã° ã ãĄ ã¤ ãĢ ãŽ æ æ č ã ã° ãĢ ãŧ ã ã ã ãŧ ã ã ãˇ ã§ ãŗ ã äŋ æ ã ãž ã ã |
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-j |
gzip ãĢ äģŖ ã ãĻ bzip2 ã§ å§ į¸Ž |
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-J |
gzip ãĢ äģŖ ã ãĻ xz ã§ å§ į¸Ž |
For xz no strength option is set, and xz decides on the default based on the total amount of physical RAM. Note that xz can use a very large amount of memory for the higher compression levels.
-1 .. -9
å§ į¸Ž åŧˇ åēĻ ã ãĄ ãĸ ãĒ ãŧ äŊŋ ፠é (ã ã ㊠ãĢ ã : 9ã xz é¤ ã )
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-C |
åŧˇ åļ į ãĒ åžĒ į° ã ã° ã ãĄ ã¤ ãĢ ãŽ ä¸ æ |
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-d |
åžĒ į° ãĢ æ¨ æē æĨ ã äŊŋ ፠ã ãž ã ã |
-D dateformat
override date format, in the syntax understood by the date (1) command
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-r |
use rolldir instead of . to roll files |
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-n |
įŠē ã ãĄ ã¤ ãĢ ã å čģĸ ã ãĒ ã |
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-q |
é ã ãĢ |
ã ã°
If a process is still writing to file .0 , and savelog moves it to file .1 and compresses it, data could be lost.
éĸ éŖ é įŽ
logrotate (8)
įŋģ 荺
å
枤 æ <nabetaro@debian.or.jp>, 2012
Debian JP Documentation ML
<debian-doc@debian.or.jp>