无法安装ntp服务器
我在ubuntu上安装了ntp服务器代码：
aptitude update aptitude -y upgrade aptitude install ntp 得到错误
ntp: depend libopts25 (>= 1:5.18) which is a virtual package
请帮我。
您可以使用以下命令安装ntp服务器：
如果您使用的是ubuntu服务器，请使用sudo apt-get install ntp 。
如果您使用的是centos或RHEL，请使用sudo yum install ntp 。
如果这不起作用，请尝试更新源列表存储库。
只需添加libopts25和ntp就像这个sudo apt-get install ntp libopts25 ：
$ sudo apt-get install ntp 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: ntp : Depends: libopts25 (>= 1:5.18.7) but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). $ sudo apt-get install ntp libopts25 Reading package lists... Done Building dependency tree Reading state information... Done Suggested packages: ntp-doc The following NEW packages will be installed: libopts25 ntp 0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded. 1 not fully installed or removed. Need to get 576 kB of archives. After this operation, 1,792 kB of additional disk space will be used. Get:1 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 libopts25 amd64 1:5.18.7-3 [57.8 kB] Get:2 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64 ntp amd64 1:4.2.8p4+dfsg-3ubuntu5.6 [518 kB] Fetched 576 kB in 0s (615 kB/s) Selecting previously unselected package libopts25:amd64. (Reading database ... 207420 files and directories currently installed.) Preparing to unpack .../libopts25_1%3a5.18.7-3_amd64.deb ... Unpacking libopts25:amd64 (1:5.18.7-3) ... Selecting previously unselected package ntp. Preparing to unpack .../ntp_1%3a4.2.8p4+dfsg-3ubuntu5.6_amd64.deb ... Unpacking ntp (1:4.2.8p4+dfsg-3ubuntu5.6) ... Processing triggers for libc-bin (2.23-0ubuntu9) ... Processing triggers for systemd (229-4ubuntu19) ... Processing triggers for ureadahead (0.100.0-19) ... Processing triggers for man-db (2.7.5-1) ... Setting up libopts25:amd64 (1:5.18.7-3) ... Setting up ntp (1:4.2.8p4+dfsg-3ubuntu5.6) ...