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PermitRootLogin no

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ʹÓ÷À»ðǽ¿ÉÒÔÏÞÖƶÔЧÀÍÆ÷µÄ»á¼ûºÍÁ÷Á¿¿ØÖÆ £¬ÔöÌíЧÀÍÆ÷µÄÇå¾²ÐÔ¡£³£ÓõķÀ»ðǽ¹¤¾ßÓÐiptablesºÍfirewalld¡£ÏÂÃæÊÇÒ»¸öiptablesµÄʾÀý¹æÔò £¬Ö»ÔÊÐíÀ´×ÔÖ¸¶¨IPµØµãµÄSSHÅþÁ¬£º

iptables -A INPUT -p tcp -s 192.168.1.100 –dport 22 -j ACCEPT

iptables -A INPUT -p tcp –dport 22 -j DROP

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apt-get update

apt-get upgrade

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service bluetooth stop

service cups stop

chkconfig bluetooth off

chkconfig cups off

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echo ‘fs.file-max = 65535’ >> /etc/sysctl.conf

sysctl -p

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echo ‘net.ipv4.tcp_fin_timeout = 30’ >> /etc/sysctl.conf

echo ‘net.ipv4.tcp_tw_reuse = 1’ >> /etc/sysctl.conf

sysctl -p

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ʹÓÃNginx×÷Ϊ·´ÏòÊðÀíЧÀÍÆ÷£º

location / {

proxy_pass http://backend;

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}

ʹÓÃMemcached×÷Ϊ»º´æЧÀÍÆ÷£º

$mc = new Memcached();

$mc->addServer(‘localhost’, 11211);

$value = $mc->get(‘key’);

ʹÓÃRedis×÷Ϊ»º´æЧÀÍÆ÷£º

$redis = new Redis();

$redis->connect(‘127.0.0.1’, 6379);

$value = $redis->get(‘key’);

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