软件和更新选项里的安全更新不可选择

[omaidb]

如图所示：当有安全更新时为灰色，没办法选择，请问这是什么情况，有人知道吗

[poloshiao]

把下面指令 複製 貼進終端機 執行
sudo cat /etc/apt/sources.list
把結果全部直接 選取/複製/貼上來

[omaidb]

omaidb@lee:~$ sudo cat /etc/apt/sources.list
[sudo] omaidb 的密码：
# deb cdrom:[Lubuntu 16.10 _Yakkety Yak_ - Release amd64 (20161012.1)]/ yakkety main multiverse restricted universe

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://cn.archive.ubuntu.com/ubuntu/ zesty main restricted
deb-src http://cn.archive.ubuntu.com/ubuntu/ yakkety main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://cn.archive.ubuntu.com/ubuntu/ zesty-updates main restricted
# deb-src http://cn.archive.ubuntu.com/ubuntu/ yakkety-updates main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://cn.archive.ubuntu.com/ubuntu/ zesty universe
# deb-src http://cn.archive.ubuntu.com/ubuntu/ yakkety universe
deb http://cn.archive.ubuntu.com/ubuntu/ zesty-updates universe
# deb-src http://cn.archive.ubuntu.com/ubuntu/ yakkety-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://cn.archive.ubuntu.com/ubuntu/ zesty multiverse
# deb-src http://cn.archive.ubuntu.com/ubuntu/ yakkety multiverse
deb http://cn.archive.ubuntu.com/ubuntu/ zesty-updates multiverse
# deb-src http://cn.archive.ubuntu.com/ubuntu/ yakkety-updates multiverse

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
# deb-src http://cn.archive.ubuntu.com/ubuntu/ yakkety-backports main restricted universe multiverse

## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
deb http://archive.canonical.com/ubuntu zesty partner
# deb-src http://archive.canonical.com/ubuntu yakkety partner

deb http://cn.archive.ubuntu.com/ubuntu/ zesty-security main restricted
# deb-src http://security.ubuntu.com/ubuntu yakkety-security main restricted
deb http://cn.archive.ubuntu.com/ubuntu/ zesty-security universe
# deb-src http://security.ubuntu.com/ubuntu yakkety-security universe
deb http://cn.archive.ubuntu.com/ubuntu/ zesty-security multiverse
# deb-src http://security.ubuntu.com/ubuntu yakkety-security multiverse
deb http://cn.archive.ubuntu.com/ubuntu/ zesty-backports main universe multiverse restricted
deb http://cn.archive.ubuntu.com/ubuntu/ zesty-proposed main universe multiverse restricted

[poloshiao]

如图所示：当有安全更新时为灰色，没办法选择，请问这是什么情况，有人知道吗

1. 把下面指令 複製 貼進終端機 執行
sudo cat /etc/os-release | grep -i CODENAME
看看 目前到底是 zesty 還是 yakkety ?

sudo cat /etc/apt/sources.list
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://cn.archive.ubuntu.com/ubuntu/ zesty main restricted
deb-src http://cn.archive.ubuntu.com/ubuntu/ yakkety main restricted
... 其它暫時省略

2. 在 /etc/apt/sources.list 避免同時混用 zesty 及 yakkety 套件庫 會影響整個系統套件穩定性

[omaidb]

如图所示：当有安全更新时为灰色，没办法选择，请问这是什么情况，有人知道吗

1. 把下面指令 複製 貼進終端機 執行
sudo cat /etc/os-release | grep -i CODENAME
看看 目前到底是 zesty 還是 yakkety ?

sudo cat /etc/apt/sources.list
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://cn.archive.ubuntu.com/ubuntu/ zesty main restricted
deb-src http://cn.archive.ubuntu.com/ubuntu/ yakkety main restricted
... 其它暫時省略

2. 在 /etc/apt/sources.list 避免同時混用 zesty 及 yakkety 套件庫 會影響整個系統套件穩定性

原来是这样


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