Apache - Linux

sudo apt-get install apache2

Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
apache2 : Depends: apache2-bin (= 2.4.18-2ubuntu3.1) but it is not going to be
installed
Depends: apache2-utils (>= 2.4)
Depends: apache2-data (= 2.4.18-2ubuntu3.1) but it is not going to
be installed
libethereum : Depends: libcryptopp-dev but it is not going to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a
solution).
=======================
如果下這行指令
sudo apt-get -f install
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following additional packages will be installed:
libcryptopp-dev
The following NEW packages will be installed:
libcryptopp-dev
0 upgraded, 1 newly installed, 0 to remove and 72 not upgraded.
3 not fully installed or removed.
Need to get 0 B/1,653 kB of archives.
After this operation, 12.2 MB of additional disk space will be used.
Do you want to continue? [Y/n]

會重複一直出現這段訊息
也沒有安裝好

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When we toss a coin , we obtain either head or tail. Now we toss a coin 5
times. There are 2^5 possible outcomes. How many of them contain no two
consecutive heads?

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