磁盘管理

查询磁盘情况

fdisk -l

查询绑定情况

df -h

格式化磁盘

1. 使用fdisk 命令
   fdisk /dev/vdb
2. 输入m，可以查看支持的操作模式
3. 输入p，查询当前硬盘分区：
4. 输入F,查询硬盘中未分区的磁盘空间：
5. 输入n，用未分配的磁盘空间 创建新的分区，同时键入 必要的硬盘信息
6. 输入w或者退出磁盘命令
7. 输入d，删除分区
8. 格式化磁盘
   mkfs.ext4 /dev/sdb4

磁盘绑定

mount /dev/vdb1 /userDir/

自动加载硬盘

1. 查看UUID
   sudo blkid
2. 执行绑定
   sudo vim /etc/fstab
   增加

UUID=087AA7CC7AA7B4BA /home/zifeiy/mystorage ext4 defaults 0 0

新建子文件夹

更改权限

同步

partprobe

重启

# 更换更新源

## 查看codename

lsb_release -a

> No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.1 LTS
Release: 18.04
Codename: bionic

~~## 确认阿里源支持

~~ubuntu-dists安装包下载_开源镜像站-阿里云

~~## 备份文件

cp /etc/apt/sources.list /etc/apt/sources.list_backup ~~

## 删除源文件
rm /etc/apt/sources.list

~~## 添加新的源文件

sudo vi /etc/apt/sources.list ~~

> deb ubuntu安装包下载_开源镜像站-阿里云 bionic main multiverse restricted universe
deb ubuntu安装包下载_开源镜像站-阿里云 bionic-backports main multiverse restricted universe
deb ubuntu安装包下载_开源镜像站-阿里云 bionic-proposed main multiverse restricted universe
deb ubuntu安装包下载_开源镜像站-阿里云 bionic-security main multiverse restricted universe
deb ubuntu安装包下载_开源镜像站-阿里云 bionic-updates main multiverse restricted universe
deb-src ubuntu安装包下载_开源镜像站-阿里云 bionic main multiverse restricted universe
deb-src ubuntu安装包下载_开源镜像站-阿里云 bionic-backports main multiverse restricted universe
deb-src ubuntu安装包下载_开源镜像站-阿里云 bionic-proposed main multiverse restricted universe
deb-src ubuntu安装包下载_开源镜像站-阿里云 bionic-security main multiverse restricted universe
deb-src ubuntu安装包下载_开源镜像站-阿里云 bionic-updates main multiverse restricted universe

保存更新

sudo apt-get update

sudo apt-get upgrade

重启

ssh保持长时间连接

vi /etc/ssh/ssh_config

TCPKeepAlive yes

ServerAliveInterval 300