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crontab -l
crontab -e
export LANG=zh_CN.UTF-8 
ntpdate 210.72.145.44
date
wget
cat
tail
tail -f /var/log/ecl/ecl.log 
head 
wc -l
grep
grep -v
cut -f2 -d',' 
sort -rn 
more
cut apache_log|grep 210.72.145.44|grep -v '.css'|grep -v '.gif'|cut -f2 -d' '|sort -rn > result.txt
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options { 
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zone "." IN { 
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file "named.ca"; 
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type master; 
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    ÃüÁapt-get install shorewall ubuntu»á×Ô¶¯µÄ¸øÄã°²×°ºÃ£¬µ«ÊÇshorewallûÓÐÅäÖÃ
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