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Ubuntu Linux gcc °²×° ʹÓ÷½·¨


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sudo apt-get install build-essential
Èç¹ûÄãÐèÒª±àÒë Fortran ³ÌÐò£¬ÄÇô»¹ÐèÒª°²×° gfortran(»ò g77)
sudo apt-get install gfortran
Èç¹ûÄãÒѾ­Á˽âһЩ vim
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sudo apt-get install vi ......

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Linux µÄ initrd ¼¼ÊõÊÇÒ»¸ö·Ç³£ÆÕ±éʹÓõĻúÖÆ£¬linux2.6 ÄÚºËµÄ initrd µÄÎļþ¸ñʽÓÉÔ­À´µÄÎļþϵͳ¾µÏñÎļþת±ä³ÉÁË cpio ¸ñʽ£¬±ä»¯²»½ö·´Ó³ÔÚÎļþ¸ñʽÉÏ£¬ linux Äں˶ÔÕâÁ½ÖÖ¸ñʽµÄ initrd µÄ´¦ÀíÓÐ׎ØÈ»µÄ²»Í¬¡£

initrd µÄÓ¢Îĺ¬ÒåÊÇ boot loader ......

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Netstat -tln ÃüÁîÊÇÓÃÀ´²é¿´linuxµÄ¶Ë¿ÚʹÓÃÇé¿ö
/etc/init.d/vsftp start ÊÇÓÃÀ´Æô¶¯ftp¶Ë¿Ú~£¡
¿´Îļþ/etc/services
netstat
²é¿´ÒѾ­Á¬½ÓµÄ·þÎñ¶Ë¿Ú£¨ESTABLISHED£©
netstat -a
²é¿´ËùÓеķþÎñ¶Ë¿Ú£¨LISTEN£¬ESTABLISHED£©
sudo netstat -ap
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nmap £¼É¨ÃèÀàÐÍ£¾£¼É¨Ã ......

linux shell ¿ØÖƽű¾Ö´ÐдÎÊý

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#!/bin/bash
. /etc/profile
project=simnin
export CLASSPATH=.:/usr/$project:$CLASSPATH
for jarfile in /usr/$project/lib/*.jar ; do
if ! echo $CLASSPATH | grep $jarfile > /dev/null
then
&nbs ......
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