根目录扩展
输入命令无法自动补全，报错了
cannot create temp file for here-document: No space left on device
查看分区，发现分区2的磁盘满了，并且挂载在根目录下，所以需要对根目录进行分区
oyaji@oyaji:/home/gass/client$ df -Th
Filesystem Type Size Used Avail Use% Mounted on
udev devtmpfs 12G 0 12G 0% /dev
tmpfs tmpfs 2.3G 2.5M 2.3G 1% /run
/dev/sda2 ext4 591G 21G 21G 100% /
tmpfs tmpfs 12G 0 12G 0% /dev/shm
tmpfs tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs tmpfs 12G 0 12G 0% /sys/fs/cgroup
/dev/loop1 squashfs 100M 100M 0 100% /snap/core/10958
/dev/loop0 squashfs 100M 100M 0 100% /snap/core/10908
tmpfs tmpfs 2.3G 0 2.3G 0% /run/user/1000
扩展磁盘
注意：由于磁盘是由扇区组成的，并且是连续的，所以在vm然后进行扩展的时候，是在末尾添加的,如果扩展的分区在前面（比如现在有分区1、分区2、分区3），现在分区1满了，需要扩展，则先需要删除分区3、分区2，然后在分区1，然后重新划分各个分区，这个过程需要备份分区3,分区2的数据（如果分区挂载在其他目录的话），不然会数据丢失
oyaji@oyaji:/home$ sudo fdisk /dev/sda
Welcome to fdisk (util-linux 2.31.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
GPT PMBR size mismatch (1048575999 != 1258291199) will be corrected by w(rite).
GPT PMBR size mismatch (1048575999 != 1258291199) will be corrected by w(rite).
Command (m for help): F
Unpartitioned space /dev/sda: 100 GiB, 107374165504 bytes, 209715167 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Start End Sectors Size
1048576000 1258291166 209715167 100G
Command (m for help): d
Partition number (1-3, default 3):
Partition 3 has been deleted.
Command (m for help): d
Partition number (1,2, default 2):
Partition 2 has been deleted.
Command (m for help): n
Partition number (2-128, default 2):
First sector (4096-1258291166, default 4096):
Last sector, +sectors or +size{K,M,G,T,P} (4096-1258291166, default 1258291166):
Created a new partition 2 of type 'Linux filesystem' and of size 600 GiB.
通知
partprobe /dev/sda
重启
sudo reboot
刷新
sudo resize2fs /dev/sda2
查看
df -TH
扩展新分区
直接进行外载分区
oyaji@oyaji:/home$ sudo fdisk /dev/sda
Welcome to fdisk (util-linux 2.31.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
GPT PMBR size mismatch (1048575999 != 1258291199) will be corrected by w(rite).
GPT PMBR size mismatch (1048575999 != 1258291199) will be corrected by w(rite).
Command (m for help): F
Unpartitioned space /dev/sda: 100 GiB, 107374165504 bytes, 209715167 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Start End Sectors Size
1048576000 1258291166 209715167 100G
Partition 2 has been deleted.
Command (m for help): n
Partition number (2-128, default 2):
First sector (4096-1258291166, default 4096):
Last sector, +sectors or +size{K,M,G,T,P} (4096-1258291166, default 1258291166):
Created a new partition 2 of type 'Linux filesystem' and of size 600 GiB.
sudo mkfs.ext4 /dev/sda3 ##修改文件类型
sudo mkdir gass ##创建挂载目录
sudo mount -t ext4 /dev/sda3 gass ##挂载
