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我正在嘗試創建一個EC2實例來託管Perforce服務器。我的實例被配置爲以下的用戶數據：AWS EC2用戶數據不能正確解碼
#!/bin/bash
# Add a newline to the ec2-user prompt string
echo PS1=\"\\n\$PS1\" >> /home/ec2-user/.bashrc
# Update all packages
yum update –y
# Install Perforce packages
# The RHEL/7 part of the baseurl should be replaced with
# the latest RHEL version that both Amazon and Perforce support
rpm –import https://package.perforce.com/perforce.pubkey
cd /etc/yum.repos.d/
echo [perforce] > perforce.repo
echo name=Perforce >> perforce.repo
echo baseurl=http://package.perforce.com/yum/rhel/7/x86_64 >> perforce.repo
echo enabled=1 >> perforce.repo
echo gpgcheck=1 >> perforce.repo
yum install –y helix-p4d
# Make directories for the server, owned by new 「perforce」 user
cd /opt/perforce/servers/
mkdir danware
cd danware
mkdir danware-db danware-chkpts journal
chown –R perforce:perforce danware
我已經測試上述各命令，並知道，當以該順序手動執行他們的工作。然而，亞馬遜的base64編碼/解碼系統的某些方面似乎正在阻礙。在啓動（並通過所有系統檢查）後，從EC2控制檯轉到「操作>實例設置>查看/更改用戶數據」時，會看到以下用戶數據。請注意幾乎每個連字符「 - 」已被替換爲一些奇怪的「a」字符。
但是，我不知道這是問題，因爲在/var/log/cloud-init-output.log日誌文件給我下面的輸出（我更換了一些重複的文字以節省空間）。注意Failed running /var/lib/cloud/instance/scripts/part-001這行說明我已經驗證了001這部分文件實際上是確實有正確顯示的連字符。
[...]
Cloud-init v. 0.7.6 running 'modules:final' at Fri, 09 Sep 2016 06:23:39 +0000. Up 86.66 seconds.
Loaded plugins: priorities, update-motd, upgrade-helper
No Match for argument: –y
No packages marked for update
RPM version 4.11.2
Copyright (C) 1998-2002 - Red Hat, Inc.
This program may be freely redistributed under the terms of the GNU GPL
Usage: rpm [-aKfgpqVcdLilsiv?] [-a|--all] [-f|--file] [-g|--group] [...]
Loaded plugins: priorities, update-motd, upgrade-helper
Resolving Dependencies
--> Running transaction check
---> [...]
Dependencies Resolved
================================================================================
Package Arch Version Repository Size
================================================================================
Installing:
helix-p4d x86_64 2016.1-1429894 perforce 24 k
Installing for dependencies:
helix-cli x86_64 2016.1-1429894 perforce 8.8 k
helix-cli-base x86_64 2016.1-1429894 perforce 1.4 M
helix-p4d-base x86_64 2016.1-1429894 perforce 3.1 k
helix-p4d-base-16.1 x86_64 2016.1-1429894 perforce 2.4 M
helix-p4dctl x86_64 2016.1-1429894 perforce 1.2 M
Transaction Summary
================================================================================
Install 1 Package (+5 Dependent packages)
Total download size: 5.0 M
Installed size: 13 M
Is this ok [y/d/N]: Exiting on user command
Your transaction was saved, rerun it with:
yum load-transaction /tmp/yum_save_tx.2016-09-09.06-23.dRP_r2.yumtx
/var/lib/cloud/instance/scripts/part-001: line 22: cd: /opt/perforce/servers/: No such file or directory
chown: invalid user: ‘–R’
Sep 09 06:23:41 cloud-init[2517]: util.py[WARNING]: Failed running /var/lib/cloud/instance/scripts/part-001 [1]
Sep 09 06:23:41 cloud-init[2517]: cc_scripts_user.py[WARNING]: Failed to run module scripts-user (scripts in /var/lib/cloud/instance/scripts)
Sep 09 06:23:41 cloud-init[2517]: util.py[WARNING]: Running module scripts-user (<module 'cloudinit.config.cc_scripts_user' from '/usr/lib/python2.7/dist-packages/cloudinit/config/cc_scripts_user.pyc'>) failed
Cloud-init v. 0.7.6 finished at Fri, 09 Sep 2016 06:23:41 +0000. Datasource DataSourceEc2. Up 88.53 seconds
更討厭，我認爲從日誌文件中的早期No Match for argument: –y線指的是從我的用戶數據yum update -y線。果然，僅僅從EC2 documentation頁面運行示例用戶數據腳本（其也使用yum update -y），給了我同樣的錯誤/警告！亞馬遜自己的示例腳本不起作用！？那麼任何人都可以回答爲什麼A）AWS沒有正確顯示用戶數據代碼，以及B）爲什麼我的用戶數據會產生上面顯示的錯誤？非常感謝幫助！
這可能是字符編碼的問題。嘗試從aws-cli – hjpotter92
@ hjpotter92設置用戶數據，如果/ var/lib/cloud/instance/scripts/part-001文件與我通過AWS控制檯輸入的用戶數據完全匹配，這會真的成爲字符編碼問題嗎？ ？ – Rabadash8820