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3¡¢ÉèÖÃÖ´ÐÐ ./configure £¬Ëü»áÆÊÎöÄãµÄµçÄÔȥȷÈϱàÒëËùÐèµÄ¹¤¾ßÊÇ·ñ¶¼ÒѾ­×°ÖÃÁË¡£4¡¢±àÒëÖ´ÐÐ make ÏÂÁî5¡¢×°ÖÃÖ´ÐÐ make install ÏÂÁî£¬×°ÖÃÍê³ÉºóÖ´ÐÐ ls /usr/local/bin/ Éó²éÊÇ·ñÓÐ htop ÏÂÁî¡£ÈôÊÇÓоͿÉÒÔÖ´ÐÐ htop ÏÂÁîÉó²éϵͳÀú³ÌÁË¡£ÍøÂçifconfigÉó²é ip ÍøÂçÏà¹ØÐÅÏ¢£¬ÈôÊÇÏÂÁî²»±£´æµÄ»°£¬ Ö´ÐÐÏÂÁî yum install net-tools ×°ÖÃ¡£[root@lion ~]# ifconfig

eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500    inet 172.31.24.78  netmask 255.255.240.0  broadcast 172.31.31.255    ether 00:16:3e:04:9c:cd  txqueuelen 1000  (Ethernet)    RX packets 1592318  bytes 183722250 (175.2 MiB)    RX errors 0  dropped 0  overruns 0  frame 0    TX packets 1539361  bytes 154044090 (146.9 MiB)    TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536    inet 127.0.0.1  netmask 255.0.0.0    loop  txqueuelen 1000  (Local Loopback)    RX packets 0  bytes 0 (0.0 B)    RX errors 0  dropped 0  overruns 0  frame 0    TX packets 0  bytes 0 (0.0 B)    TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

²ÎÊýÆÊÎö£ºeth0 ¶ÔÓ¦ÓÐÏßÅþÁ¬£¨¶ÔÓ¦ÄãµÄÓÐÏßÍø¿¨£©£¬¾ÍÊÇÓÃÍøÏßÀ´ÅþÁ¬µÄÉÏÍø¡£eth ÊÇ Ethernet µÄËõд£¬ÌåÏÖ ¡°ÒÔÌ«Íø¡±¡£ÓÐЩµçÄÔ¿ÉÄÜͬʱÓкü¸ÌõÍøÏßÁ¬×Å£¬ÀýÈçЧÀÍÆ÷£¬ÄÇô³ýÁË eht0 £¬Ä㻹»á¿´µ½ eth1 ¡¢ eth2 µÈ¡£lo ÌåÏÖÍâµØ»Ø»·£¨ Local Loopback µÄËõд£¬¶ÔÓ¦Ò»¸öÐéÄâÍø¿¨£©¿ÉÒÔ¿´µ½ËüµÄ ip µØµãÊÇ 127.0.0.1 ¡£Ã¿Ì¨µçÄÔ¶¼Ó¦¸ÃÓÐÕâ¸ö½Ó¿Ú£¬ÓÉÓÚËü¶ÔÓ¦×Å ¡°Á¬Ïò×Ô¼ºµÄÁ´½Ó¡±¡£ÕâÒ²ÊDZ»³Æ֮Ϊ¡°ÍâµØ»Ø»·¡± µÄÔµ¹ÊÔ­ÓÉ¡£ËùÓо­ÓÉÕâ¸ö½Ó¿Ú·¢Ë͵Ť¾ß¶¼»á»Øµ½Äã×Ô¼ºµÄµçÄÔ¡£¿´ÆðÀ´Ëƺõ²¢Ã»ÓÐʲôÓÃ£¬µ«ÓÐʱΪÁËijЩԵ¹Ê£¬ÎÒÃÇÐèÒªÅþÁ¬×Ô¼º¡£ÀýÈçÓÃÀ´²âÊÔÒ»¸öÍøÂç³ÌÐò£¬µ«ÓÖ²»ÏëÈþÖÓòÍø»òÍâÍøµÄÓû§Éó²é£¬Ö»ÄÜÔÚ´Ę̈Ö÷»úÉÏÔËÐкÍÉó²éËùÓеÄÍøÂç½Ó¿Ú¡£ÀýÈçÔÚÎÒÃÇÆô¶¯Ò»¸öÇ°¶Ë¹¤³Ìʱ£¬ÔÚä¯ÀÀÆ÷ÊäÈë 127.0.0.1:3000 Æô¶¯ÏîÄ¿¾ÍÄÜÉó²éµ½×Ô¼ºµÄ web ÍøÕ¾£¬²¢ÇÒËüÖ»ÓÐÄãÄÜ¿´µ½¡£wlan0 ÌåÏÖÎÞÏß¾ÖÓòÍø£¨ÉÏÃæ°¸Àý²¢Î´Õ¹Ê¾£©¡£hostip µØµãºÍÖ÷»úÃûµÄÏ໥ת»»¡£Èí¼þ×°ÖÃyum install bind-utils

»ù´¡Ó÷¨[root@lion ~]# host github.com
m.blockadm.com has address 13.229.188.59
 
[root@lion ~]# host 13.229.188.59
59.188.229.13.in-addr.arpa domain name pointer ec2-13-229-188-59.ap-southeast-1.compute.amazonaws.com.

ssh ÅþÁ¬Ô¶³ÌЧÀÍÆ÷ͨ¹ý·Ç¶Ô³Æ¼ÓÃÜÒÔ¼°¶Ô³Æ¼ÓÃܵķ½·¨£¨Í¬ HTTPS Çå¾²ÅþÁ¬Ô­ÀíÏàËÆ£©ÅþÁ¬µ½Ô¶¶ËЧÀÍÆ÷¡£ssh Óû§@ip:port

1¡¢ssh root@172.20.10.1:22 # ¶Ë¿ÚºÅ¿ÉÒÔÊ¡ÂÔ²»Ð´£¬Ä¬ÈÏÊÇ22¶Ë¿Ú
2¡¢ÊäÈëÅþÁ¬ÃÜÂëºó¾Í¿ÉÒÔ²Ù×÷Ô¶¶ËЧÀÍÆ÷ÁË

ÉèÖà sshconfig Îļþ¿ÉÒÔÉèÖà ssh £¬Àû±ãÅúÁ¿ÖÎÀí¶à¸ö ssh ÅþÁ¬¡£ÉèÖÃÎļþ·ÖΪÒÔϼ¸ÖÖ£ºÈ«¾Ö ssh ЧÀͶ˵ÄÉèÖãº/etc/ssh/sshd_config £»È«¾Ö ssh ¿Í»§¶ËµÄÉèÖãº/etc/ssh/ssh_config£¨ºÜÉÙÐ޸ģ©£»Ä¿½ñÓû§ ssh ¿Í»§¶ËµÄÉèÖãº~/.ssh/config ¡£¡¾Ð§ÀÍ¶Ë config ÎļþµÄ³£ÓÃÉèÖòÎÊý¡¿Ð§ÀÍ¶Ë config ²ÎÊý×÷ÓÃPortsshd ЧÀͶ˿ںţ¨Ä¬ÈÏÊÇ 22£©PermitRootLoginÊÇ·ñÔÊÐíÒÔ root Óû§Éí·ÝµÇ¼£¨Ä¬ÈÏÊÇ¿ÉÒÔ£©PasswordAuthenticationÊÇ·ñÔÊÐíÃÜÂëÑéÖ¤µÇ¼£¨Ä¬ÈÏÊÇ¿ÉÒÔ£©PubkeyAuthenticationÊÇ·ñÔÊÐí¹«Ô¿ÑéÖ¤µÇ¼£¨Ä¬ÈÏÊÇ¿ÉÒÔ£©PermitEmptyPasswordsÊÇ·ñÔÊÐí¿ÕÃÜÂëµÇ¼£¨²»Çå¾²£¬Ä¬Èϲ»¿ÉÒÔ£©[×¢ÖØ] ÐÞ¸ÄÍêЧÀͶËÉèÖÃÎļþÐèÒªÖØÆôЧÀÍ systemctl restart sshd¡¾¿Í»§¶Ë config ÎļþµÄ³£ÓÃÉèÖòÎÊý¡¿¿Í»§¶Ë config ²ÎÊý×÷ÓÃHostÓÖÃûHostNameÔ¶³ÌÖ÷»úÃû£¨»ò IP µØµã£©PortÅþÁ¬µ½Ô¶³ÌÖ÷»úµÄ¶Ë¿ÚUserÓû§ÃûÉèÖÃÄ¿½ñÓû§µÄ config £º# ½¨Éèconfig
vim ~/.ssh/config

# ÌîдһÏÂÄÚÈÝ
Host lion # ÓÖÃû
 HostName 172.x.x.x # ip µØµã
  Port 22 # ¶Ë¿Ú
  User root # Óû§

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