Ubuntu22.04.01Desktop桌面版安装记录221109_hwclock: use the --verbose option to see the detai

自定义分区

新建分区表

点击新建的空闲分区, 然后点加号

因为虚拟机设置选了UEFI , 所以先建立一个"EFI系统分区" , 设置大小,来它300兆

继续点 剩下的空闲分区, 再点加号

剩下的空间都个了根分区 /
没有设置 /boot 和 swap 分区, 只为做一下试验, 看能否安装

点 现在安装 按钮

点 继续 按钮

选时区

设置用户名密码

安装完成重启

点我已i完成安装 , 回车重启

启动成功, 没有设置 /boot 和 swap 分区 , 也能安装

设置硬件时钟(RTC)为本地时钟

sudo timedatectl set-local-rtc 1
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z@ud224:~$ timedatectl
               Local time: 三 2022-11-09 19:24:43 CST
           Universal time: 三 2022-11-09 11:24:43 UTC
                 RTC time: 三 2022-11-09 11:24:44
                Time zone: Asia/Shanghai (CST, +0800)
System clock synchronized: yes
              NTP service: active
          RTC in local TZ: no
z@ud224:~$ sudo timedatectl set-local-rtc 1
[sudo] z 的密码： 
z@ud224:~$ timedatectl
               Local time: 三 2022-11-09 19:25:30 CST
           Universal time: 三 2022-11-09 11:25:30 UTC
                 RTC time: 三 2022-11-09 19:25:30
                Time zone: Asia/Shanghai (CST, +0800)
System clock synchronized: yes
              NTP service: active
          RTC in local TZ: yes

Warning: The system is configured to read the RTC time in the local time zone.
         This mode cannot be fully supported. It will create various problems
         with time zone changes and daylight saving time adjustments. The RTC
         time is never updated, it relies on external facilities to maintain it.
         If at all possible, use RTC in UTC by calling
         'timedatectl set-local-rtc 0'.
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通过 hwclock命令可查看硬件时钟

不加sudo查看不到

hwclock: 无法通过已知的任何方式访问硬件时钟。
hwclock: Use the --verbose option to see the details of our search for an access method.

sudo hwclock
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给root账户设置密码, sudo passwd root , 设置密码后就能启用root账户

sudo passwd root
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解决 vi(vim) 不好用的问题

默认的 vi(vim) 不好用, 上下左右和退格键有问题

• 解决方法1, 编辑 /etc/vim/vimrc.tiny

sudo nano /etc/vim/vimrc.tiny
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sudo gedit /etc/vim/vimrc.tiny
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将
set compatible
修改为
set nocompatible
set backspace=2
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原版 /etc/vim/vimrc.tiny

" Vim configuration file, in effect when invoked as "vi". The aim of this
" configuration file is to provide a Vim environment as compatible with the
" original vi as possible. Note that ~/.vimrc configuration files as other
" configuration files in the runtimepath are still sourced.
" When Vim is invoked differently ("vim", "view", "evim", ...) this file is
" _not_ sourced; /etc/vim/vimrc and/or /etc/vim/gvimrc are.

" Debian system-wide default configuration Vim
set runtimepath=~/.vim,/var/lib/vim/addons,/usr/share/vim/vimfiles,/usr/share/vim/vim82,/usr/share/vim/vimfiles/after,/var/lib/vim/addons/after,~/.vim/after

set compatible

" vim: set ft=vim:
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修改后的 /etc/vim/vimrc.tiny

" Vim configuration file, in effect when invoked as "vi". The aim of this
" configuration file is to provide a Vim environment as compatible with the
" original vi as possible. Note that ~/.vimrc configuration files as other
" configuration files in the runtimepath are still sourced.
" When Vim is invoked differently ("vim", "view", "evim", ...) this file is
" _not_ sourced; /etc/vim/vimrc and/or /etc/vim/gvimrc are.

" Debian system-wide default configuration Vim
set runtimepath=~/.vim,/var/lib/vim/addons,/usr/share/vim/vimfiles,/usr/share/vim/vim82,/usr/share/vim/vimfiles/after,/var/lib/vim/addons/after,~/.vim/after

set nocompatible
set backspace=2

" vim: set ft=vim:
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• 解决方法2 : 卸载vim-tiny 重装vim

sudo apt remove vim-tiny
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sudo apt install vim
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更换快速apt源

备份 /etc/apt/sources.list

### 两位年月日时分秒
sudo cp -a /etc/apt/sources.list /etc/apt/sources.list.$(date "+%y%m%d%H%M%S").bak
### 两位年月日时分秒+纳秒
sudo cp -a /etc/apt/sources.list /etc/apt/sources.list.$(date "+%y%m%d%H%M%S%N").bak
### 年-月-日 时:分:秒 , 因为有空格,又要使用$, 所以要加双引号
sudo cp -a /etc/apt/sources.list "/etc/apt/sources.list.$(date "+%F %T").bak"
### 标准: 年-月-日T时:分:秒 , 因为有空格,又要使用$, 所以要加双引号
sudo cp -a /etc/apt/sources.list "/etc/apt/sources.list.$(date "+%FT%T").bak"
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备份的效果

编辑 /etc/apt/sources.list

sudo vi /etc/apt/sources.list
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原先的内容不用保留, 全部替换为: