centos系统不识别u盘_Unable to locate package vim

centos系统不识别u盘_Unable to locate package vim在修改源后使用sudoapt-getupdate 显示 W:GPGerror:https://mirrors.ustc.edu.cn/kalikali-rollingInRelease:Thefollowingsignaturescouldn’tbeverifiedbecausethepublickeyisnotavailable:…

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在修改源后使用

sudo apt-get update

 

显示

 

W: GPG error: https://mirrors.ustc.edu.cn/kali kali-rolling InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ED444FF07D8D0BF6
W: The repository 'https://mirrors.ustc.edu.cn/kali kali-rolling InRelease' is not signed.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.

  首先按其他博客的方法使用

hetang@LAPTOP-A1:~$ gpg --keyserver pgp.mit.edu --recv-keys ED444FF07D8D0BF6
gpg: directory '/home/hetang/.gnupg' created
gpg: keybox '/home/hetang/.gnupg/pubring.kbx' created
gpg: failed to start the dirmngr '/usr/bin/dirmngr': No such file or directory
gpg: connecting dirmngr at '/home/hetang/.gnupg/S.dirmngr' failed: No such file or directory
gpg: keyserver receive failed: No dirmngr

然后安装dirmngr

sudo apt-get install dirmngr

再运行一次

hetang@LAPTOP-A1:~$ gpg --keyserver pgp.mit.edu --recv-keys ED444FF07D8D0BF6
gpg: key ED444FF07D8D0BF6: 162 signatures not checked due to missing keys
gpg: /home/hetang/.gnupg/trustdb.gpg: trustdb created
gpg: key ED444FF07D8D0BF6: public key "Kali Linux Repository <devel@kali.org>" imported
gpg: no ultimately trusted keys found
gpg: Total number processed: 1
gpg:               imported: 1

然后运行

sudo gpg -a --export ED444FF07D8D0BF6 | sudo apt-key add –

却提示

gpg: can't open '–': No such file or directory
gpg: [stdout]: write error: Broken pipe
gpg: [stdout]: write error: Broken pipe
gpg: [stdout]: write error: Broken pipe
gpg: [stdout]: write error: Broken pipe
gpg: filter_flush failed on close: Broken pipe

又找了几个博客,使用

wget https://archive.kali.org/archive-key.asc

然后

sudo apt-key add archive-key.asc

sudo apt-get update

终于不报错了

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