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#include <unistd.h>
#include <stdio.h>
int main()
{
const char* file1 = "access.cpp";
const char* file2 = "access1.cpp";
printf("%s:%d\n", file1, access(file1, F_OK));
printf("%s:%d\n", file2, access(file2, F_OK));
return 0;
}
¼ÙÉèÎļþaccess.cppÇÒaccess1.cpp²»´æÔÚ£¬ÄÇô½á¹ûΪ£º
access.cpp:0
access1.cpp:-1
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netstat -a
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sudo netstat -ap
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http://blog.avirtualhome.com/2010/02/02/adding-ssl-certificates-to-google-chrome-linux-ubuntu/
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sudo gedit /etc/apt/apt.conf.d/70debconf
ÔöÌíÒÔÏÂÁ½ÐУºAPT::Cache-Limit "200000000";
&nbs ......
linuxÏÂapache+php°²×°³£¼ûÎÊÌâ
configure: error: Unable to find libgd.(a|so)
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wget http://www.boutell.com/gd/http/gd-2.0.11.tar.gz
tar zxvf gd-2.0.11 ......