Ubuntu apt get install apache2 utils尝试安装不存在的软件包

当尝试像这样安装ab（apache基准测试）时：

sudo apt-get install apache2-utils

在我的Mint 16/Ubuntu 13系统上，我收到以下信息：

sudo apt-get install apache2-utils
[sudo] password for <user>: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  libjs-cropper libjs-prototype libjs-scriptaculous libphp-phpmailer libphp-snoopy tinymce
Use 'apt-get autoremove' to remove them.
The following NEW packages will be installed:
  apache2-utils
0 upgraded, 1 newly installed, 0 to remove and 15 not upgraded.
Need to get 82,4 kB of archives.
After this operation, 344 kB of additional disk space will be used.
WARNING: The following packages cannot be authenticated!
  apache2-utils
Install these packages without verification [y/N]? y
Err http://archive.ubuntu.com/ubuntu/ saucy-updates/main apache2-utils amd64 2.4.6-2ubuntu2.2
  404  Not Found [IP: 91.189.88.152 80]
Err http://security.ubuntu.com/ubuntu/ saucy-security/main apache2-utils amd64 2.4.6-2ubuntu2.2
  404  Not Found [IP: 91.189.92.200 80]
Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2-utils_2.4.6-2ubuntu2.2_amd64.deb  404  Not Found [IP: 91.189.92.200 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

...
E: Internal Error, ordering was unable to handle the media swap

不会更改任何内容，而以下内容：

sudo apt-get install apache2-utils --fix-missing

更改了邮件的最后一行：

sudo apt-get install apache2-utils
[sudo] password for <user>: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  libjs-cropper libjs-prototype libjs-scriptaculous libphp-phpmailer libphp-snoopy tinymce
Use 'apt-get autoremove' to remove them.
The following NEW packages will be installed:
  apache2-utils
0 upgraded, 1 newly installed, 0 to remove and 15 not upgraded.
Need to get 82,4 kB of archives.
After this operation, 344 kB of additional disk space will be used.
WARNING: The following packages cannot be authenticated!
  apache2-utils
Install these packages without verification [y/N]? y
Err http://archive.ubuntu.com/ubuntu/ saucy-updates/main apache2-utils amd64 2.4.6-2ubuntu2.2
  404  Not Found [IP: 91.189.88.152 80]
Err http://security.ubuntu.com/ubuntu/ saucy-security/main apache2-utils amd64 2.4.6-2ubuntu2.2
  404  Not Found [IP: 91.189.92.200 80]
Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2-utils_2.4.6-2ubuntu2.2_amd64.deb  404  Not Found [IP: 91.189.92.200 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

...
E: Internal Error, ordering was unable to handle the media swap

“订购无法处理媒体交换”-我明白了

在浏览目录时，我可以看到有很多包，但是2.4.6不见了：

...
apache2-utils_2.2.22-1ubuntu1_amd64.deb 13-Feb-2012 02:34   89K
apache2-utils_2.2.22-1ubuntu1_i386.deb  13-Feb-2012 02:34   87K
apache2-utils_2.4.7-1ubuntu4.5_amd64.deb    27-Jul-2015 17:43   82K
apache2-utils_2.4.7-1ubuntu4.5_i386.deb 27-Jul-2015 17:44   82K
apache2-utils_2.4.7-1ubuntu4.9_amd64.deb    14-Jan-2016 18:15   80K
...

因此，问题是：

• 为什么安装程序尝试安装不存在的包2.4.6
• 更重要的是，如何解决这个问题
• ->我可以使用特定的版本吗
• ->我的系统建议使用什么版本

系统版本信息：

$ cat /etc/linuxmint/info
RELEASE=16
CODENAME=petra
EDITION="Cinnamon 64-bit"
DESCRIPTION="Linux Mint 16 Petra"
DESKTOP=Gnome
TOOLKIT=GTK
NEW_FEATURES_URL=http://www.linuxmint.com/rel_petra_cinnamon_whatsnew.php
RELEASE_NOTES_URL=http://www.linuxmint.com/rel_petra_cinnamon.php
USER_GUIDE_URL=http://www.linuxmint.com/documentation.php
GRUB_TITLE=Linux Mint 16 Cinnamon 64-bit


$ inxi -S
System:    Host: rupert Kernel: 3.11.0-14-generic x86_64 (64 bit) Desktop: Gnome Distro: Linux Mint 16 Petra

$ cat /etc/*-release
DISTRIB_ID=LinuxMint
DISTRIB_RELEASE=16
DISTRIB_CODENAME=petra
DISTRIB_DESCRIPTION="Linux Mint 16 Petra"
NAME="Ubuntu"
VERSION="13.10, Saucy Salamander"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 13.10"
VERSION_ID="13.10"
HOME_URL="http://www.ubuntu.com/"
SUPPORT_URL="http://help.ubuntu.com/"
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"

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我现在面临着同样的问题，你找到办法了吗？