This is why the--only-upgradepart is necessary. With that option, the apt command will only upgrade an already installed package. It will not install the package if it is not already installed. Not the best-suited example for Ubuntu server users, but you can still see how I upgraded only...
首先应该运行 apt update 命令。这样就不会出现E: Unable to locate package 错误。 3. 检查软件包是否适用于您的 Ubuntu 版本 检查了包的名称并且更新后重建缓存,但还是无法找到包。 那么这个软件包就可能真的不可用了。一是软件库中可用的软件包在系统中尚未启用它,二是软件包在你安装的 Ubuntu 版本中不可用。
W: GPG error: http://archive.ubuntu.com/ubuntu bionic-updates InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3B4FE6ACC0B21F32 E: The repository 'http://archive.ubuntu.com/ubuntu bionic-updates InRelease' is not signed. N: Up...
当用apt-get更新软件包时常出现错误提示Unable to locate package update, 尤其是在ubuntu server上,解决方法是: 先更新apt-get #sudo apt-get update 执行完后,问题就解决了。 继续更新: #sudo apt-get upgrade 转:http://blog.sina.com.cn/s/blog_49b2f03a0100o6qa.html...
ubuntu 出现 Unable to locate package update 解决办法 root账户下 在终端下输入 apt-get upadte
sudo unattended-upgrade --install PACKAGE_NAME=VERSION_NUMBER force-yes 要安装版本为1.0.0的软件包,可以使用以下命令: sudo unattended-upgrade --install example_package=1.0.0 force-yes 四、常见问题与解答 1. 为什么我无法使用UbuntuUpdate? 答:请确保您已经正确安装了UbuntuUpdate,并且已经添加了官方源,如果...
Hit:15 https://ppa.launchpadcontent.net/slimbook/slimbook/ubuntu jammy InRelease Fetched 213 kB in 4s (55.8 kB/s) Reading package lists... Done Building dependency tree... Done Reading state information... Done 6 packages can be upgraded. Run 'apt list --upgradable' to see them. ...
Hit:15 https://ppa.launchpadcontent.net/slimbook/slimbook/ubuntu jammy InRelease Fetched 213 kB in 4s (55.8 kB/s) Reading package lists... Done Building dependency tree... Done Reading state information... Done 6 packages can be upgraded. Run 'apt list --upgradable' to see them. ...
When preparing anupdated package, always base it on the latest approved version of the source package for the release in the archive. For example, if apache2 needs an update in Ubuntu 8.04 LTS, and the release version in hardy is2.2.8-1, the version inhardy-securityis2.2.8-1ubuntu0.3and...
linuxidc.com@ubuntu:/etc/apt$ sl 4.其他一些命令 sudo apt-get update 更新源 sudo apt-get install package 安装包 sudo apt-get remove package 删除包 sudo apt-cache search package 搜索软件包 sudo apt-cache show package 获取包的相关信息,如说明、大小、版本等 ...