libssl-dev 安装失败 解决方案
我本来是要安ettercap dependencs的，没看到ettercap下面直接有可以使用的命令，我上次看到了，也提醒了自己，但是这次我多花了5个小时搞定它，。包括了
ubuntu的安装，还是烂笔头比较好阿，所以今天就把自己的这些问题记下来。
Ubuntu 12.04LTS安装，我这次是直接运行wubi.exe ，花了半个多小时的时间，我也没有去找捷径，因为实验室的网速还是可以的，下次要是系统没了，估计也就没有这么好的网速了。
Ubuntu 12.04LTS下直接安装 libssl-dev 失败
提示错误:
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$ sudo apt-get install libssl-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
libssl-dev : Depends: libssl1.0.0 (= 1.0.1-4ubuntu5) but 1.0.1-4ubuntu5.3 is to be installed
Recommends: libssl-doc but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
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原因:
已安装的libssl1.0.0版本太高, 无法支持
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$dpkg -l *libssl*
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Description
+++-==================-==================-====================================================
un libssl-dev
un libssl-doc
ii libssl1.0.0 1.0.1-4ubuntu5.3 SSL shared libraries
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解决方案:
使用aptitude软件包管理器
1. 安装aptitude
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$sudo apt-get install aptitude
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2. 使用aptitude安装 libssl-dev包, 采用建议的解决方案(将libssl1.0.0版本降级)
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$sudo aptitude install libssl-dev
The following NEW packages will be installed:
libssl-dev{b}
The following packages are RECOMMENDED but will NOT be installed:
libssl-doc
0 packages upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 1,528 kB of archives. After unpacking 6,179 kB will be used.
The following packages have unmet dependencies:
libssl-dev : Depends: libssl1.0.0 (= 1.0.1-4ubuntu5) but 1.0.1-4ubuntu5.3 is installed.
Depends: zlib1g-dev but it is not going to be installed.
The following actions will resolve these dependencies:
Keep the following packages at their current version:
1) libssl-dev [Not Installed]
Accept this solution? [Y/n/q/?] n
The following actions will resolve these dependencies:
Install the following packages:
1) zlib1g-dev [1:1.2.3.4.dfsg-3ubuntu4 (precise)]
Downgrade the following packages:
2) libssl1.0.0 [1.0.1-4ubuntu5.3 (now) -> 1.0.1-4ubuntu5 (precise-updates)]
Accept this solution? [Y/n/q/?] y
The following packages will be DOWNGRADED:
libssl1.0.0
The following NEW packages will be installed:
libssl-dev zlib1g-dev{a}
The following packages are RECOMMENDED but will NOT be installed:
libssl-doc
0 packages upgraded, 2 newly installed, 1 downgraded, 0 to remove and 0 not upgraded.
Need to get 2,707 kB of archives. After unpacking 6,575 kB will be used.
Do you want to continue? [Y/n/?] y
Get: 1 http://mirror.lupaworld.com/ubuntu/ precise-updates/main libssl1.0.0 amd64 1.0.1-4ubuntu5 [1,013 kB]
Get: 2 http://mirror.lupaworld.com/ubuntu/ precise/main zlib1g-dev amd64 1:1.2.3.4.dfsg-3ubuntu4 [165 kB]
Get: 3 http://mirror.lupaworld.com/ubuntu/ precise-updates/main libssl-dev amd64 1.0.1-4ubuntu5 [1,528 kB]
Fetched 2,707 kB in 5s (503 kB/s)
Preconfiguring packages ...
dpkg: warning: downgrading libssl1.0.0 from 1.0.1-4ubuntu5.3 to 1.0.1-4ubuntu5.
(Reading database ... 150648 files and directories currently installed.)
Preparing to replace libssl1.0.0 1.0.1-4ubuntu5.3 (using .../libssl1.0.0_1.0.1-4ubuntu5_amd64.deb) ...
Unpacking replacement libssl1.0.0 ...
Setting up libssl1.0.0 (1.0.1-4ubuntu5) ...
Processing triggers for libc-bin ...
ldconfig deferred processing now taking place
Selecting previously unselected package zlib1g-dev.
(Reading database ... 150648 files and directories currently installed.)
Unpacking zlib1g-dev (from .../zlib1g-dev_1%3a1.2.3.4.dfsg-3ubuntu4_amd64.deb) ...
Selecting previously unselected package libssl-dev.
Unpacking libssl-dev (from .../libssl-dev_1.0.1-4ubuntu5_amd64.deb) ...
Processing triggers for man-db ...
Setting up zlib1g-dev (1:1.2.3.4.dfsg-3ubuntu4) ...
Setting up libssl-dev (1.0.1-4ubuntu5) ...
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验证libssl-dev包安装情况:
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$dpkg -l *libssl*
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Description
+++-==================-==================-====================================================
ii libssl-dev 1.0.1-4ubuntu5 SSL development libraries, header files and document
un libssl-doc
ii libssl1.0.0 1.0.1-4ubuntu5 SSL shared libraries
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