重新搭建服務器:
根據需求,選擇每個月需要的流量,一般流量越多,錢也越多,我選擇的具體如下:
選3.5$/m,
Server Type:64 bit OS, CentOS:6*64
打開終端:
先拼地址:
Ping 144.202.23.71(買Vultr服務器的地址)
ssh root@144.202.23.71
然後輸入密碼:
m5S@#?744zeM)U@(
Congratulations, Shadowsocks-python server install completed!
Your Server IP : 207.246.97.131
Your Server Port : 56473
Your Password : studyhard
Your Encryption Method: chacha20-ietf-poly1305
Welcome to visit:https://teddysun.com/342.html
Enjoy it!
[root@vultr ~]#
執行命令:
wget –no-check-certificate https://raw.githubusercontent.com/teddysun/shadowsocks_install/master/shadowsocks.sh
chmod +x shadowsocks.sh
./shadowsocks.sh 2>&1 | tee shadowsocks.log
設置完成後:
Congratulations, Shadowsocks-python server install completed!
Your Server IP : 144.202.23.71
Your Server Port : 12528
Your Password : teddysun.com
Your Encryption Method: aes-256-gcm
Welcome to visit:https://teddysun.com/342.html
Enjoy it!
設置小飛機:設置服務器Vultr
ssh root@144.202.23.71
操作時處理異常:
在平時工作中,有時候需要SSH登陸到別的Linux主機上去,但有時候SSH登陸會被禁止,並彈出如下類似提示:
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!Someone could be eavesdropping on you right now (man-in-the-middle attack)!It is also possible that the RSA host key has just been changed.The fingerprint for the RSA key sent by the remote host is36:68:a6:e6:43:34:6b:82:d7:f4:df:1f:c2:e7:37:cc.Please contact your system administrator.Add correct host key in /u/xlian008/.ssh/known_hosts to get rid of this message.Offending key in /u/xlian008/.ssh/known_hosts:2RSA host key for 135.1.35.130 has changed and you have requested strict checking.Host key verification failed.
比較奇怪,於是研究了一下。
ssh會把你每個你訪問過計算機的公鑰(public key)都記錄在~/.ssh/known_hosts。當下次訪問相同計算機時,OpenSSH會核對公鑰。如果公鑰不同,OpenSSH會發出警告, 避免你受到DNS Hijack之類的攻擊。我在上面列出的情況,就是這種情況。
原因:一台主機上有多個Linux系統,會經常切換,那麼這些系統使用同一ip,登錄過一次後就會把ssh信息記錄在本地的~/.ssh/known_hsots文件中,切換該系統後再用ssh訪問這台主機就會出現衝突警告,需要手動刪除修改known_hsots裡面的內容。
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