可以使用下面的命令来修正文件不能写入的错误：
[code]# Ownership
sudo chown apache:apache -R /data/www/html/sites/mysite
cd /data/www/html/sites/mysite
File permissions, recursive
find . -type f -exec chmod 0644 {} ;
Dir permissions, recursive
find . -type d -exec chmod 0755 {} ;
SELinux serve files off Apache, resursive
sudo chcon -t httpd_sys_content_t /data/www/html/sites/mysite -R
Allow write only to specific dirs
sudo chcon -t httpd_sys_rw_content_t /data/www/html/sites/mysite/logs -R
sudo chcon -t httpd_sys_rw_content_t /data/www/html/sites/mysite/uploads -R[/code]