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1) ÓÀ¾ÃÐÔÉúЧ£¬ÖØÆôºó²»»á¸´Ô
¿ªÆô£º chkconfig iptables on
¹Ø±Õ£º chkconfig iptables off
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¿ªÆô£º service iptables start
¹Ø±Õ£º service iptables stop
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-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
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1. man vi
2. echo $PATH
3. catÏÔʾÎļþÄÚÈÝ
1 cat ÎļþÃûÒ»ÎļþÃû¶þ
2 moreÎļþÃû
3 lessÎļþÃû Ïòǰ·°´b¼ü;Ïòºó·°´p¼ü;Ö¸¶¨Î»ÖÃÊäÈë°Ù·Ö±È;Í˳ö ......
ffmpeg°æ±¾:0.5.1 flv -> mp4 ->3gp
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./ffmpeg -i out.3gp -ss 00:00:00 -t 00:00:10 -s qcif -acodec copy -vcodec copy -y preview.3gp
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[root@GISDB ~]$ su - oracle
[oracle@GISDB ~]$ sqlplus /nolog
SQL*Plus: Release 10.2.0.4.0 - Production on Tue Oct 13 11:03:03 2009
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
SQL> conn /as sysdba
Connected to an idle instance.
SQL> startup
ORACLE instance started.
To ......
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