问题
我一直在尝试升级到Ubuntu 18.04,但是,当我尝试
do-release-upgrade -c
我得到这个输出
Checking for a new Ubuntu release
No new release found.
答案1
答案2
在这里提供了完整的升级指南,
do-release-upgrade -d # Use this until 18.04.1 comes out
do-release-upgrade # Use this after 18.04.1 comes out
另外,尽管你需要检查文件:
~$ cat /etc/update-manager/release-upgrades
# Default behavior for the release upgrader.
[DEFAULT]
# Default prompting behavior, valid options:
#
# never - Never check for a new release.
# normal - Check to see if a new release is available. If more than one new
# release is found, the release upgrader will attempt to upgrade to
# the release that immediately succeeds the currently-running
# release.
# lts - Check to see if a new LTS release is available. The upgrader
# will attempt to upgrade to the first LTS release available after
# the currently-running one. Note that this option should not be
# used if the currently-running release is not itself an LTS
# release, since in that case the upgrader won't be able to
# determine if a newer release is available.
Prompt=never
如果最后一行显示"never",对于Ubuntu 17.10用户,请将其更改为"normal"。对于Ubuntu 16.04 LTS用户,请将其更改为"LTS"。否则,您不会获得升级.
rick@alien:~$ do-release-upgrade
Checking for a new Ubuntu release
No new release found.
───────────────────────────────────────────────────────────────────────────────────────────
rick@alien:~$ do-release-upgrade -d
Checking for a new Ubuntu release
Upgrades to the development release are only
available from the latest supported release.
───────────────────────────────────────────────────────────────────────────────────────────
rick@alien:~$ do-release-upgrade -c
Checking for a new Ubuntu release
No new release found.
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