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/etc/init.d/vsftp start ÊÇÓÃÀ´Æô¶¯ftp¶Ë¿Ú~£¡
¿´Îļþ/etc/services
netstat
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netstat -a
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sudo netstat -ap
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nmap £¼É¨ÃèÀàÐÍ£¾£¼É¨Ãè²ÎÊý£¾
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nmap localhost
nmap -p 1024-65535 localhost
nmap -PT 192.168.1.127-245
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Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 52 218.104.81.152£º7710 211.100.39.250£º29488 ESTABLISHED 6111/1
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sshd 1990 root 3u IPv4 4836 TCP *£º7710 £¨LISTEN£©
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¼°Ò»Ð©ÆäËû£» /usr Îļþϵͳ°üº¬³ÌÐòºÍ²»¸Ä±äµÄÊý¾Ý£» /var Îļþϵͳ°üº¬¸Ä±äµÄÊý¾Ý(ÀýÈçlogÎļþ)£» /home
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FTP> ! ´Ó ftp ×ÓϵͳÍ˳öµ½Íâ¿Ç¡£
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¡¡¡¡¸ñʽ£º? [command]
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¡¡¡¡FTP> append ʹÓõ±Ç°ÎļþÀàÐÍÉèÖý«±¾µØÎļþ¸½¼Óµ½Ô¶³Ì¼ÆËã»úÉϵÄÎļþ¡£
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Ubuntu Linux gcc °²×° ʹÓ÷½·¨


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sudo apt-get install build-essential
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sudo apt-get install gfortran
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sudo apt-get install vi ......

linuxϵÄÖ÷ÒªÎļþ


linuxϵÄÖ÷ÒªÎļþ
/boot/grub/grub.conf    GRUB configuration file
/boot/module-info-*    Module information for the Linux kernel
/boot/System.map-*    Map of the Linux kernel
/boot/vmlinuz-*    Linux kernel
/etc/aliases    Mail aliases
/etc/a ......
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