我在剛開始操作的時候找不到/dev/sdb(即使插入了U盤，也沒出現)

經過翻閱網站，才知道要創建新的硬盤（）

其余默認就行

文件系統的創建

# 1.查看新增硬盤的信息 sudo fdisk -l # 2.文件系統創建的操作 sudo mkfs -t ext2 /dev/sdb # 3. 確認 ：y # 4. 在創建文件系統后，可采用e2label 命令在指定文件系統的卷標， # e2label命令的主要功能就是現實和命名未安裝文件系統的卷標 sudo e2label /dev/sdb sudo e2label /dev/sdb data1 sudo e2label /dev/sdb 輸出：data1

文件系統的掛載

查看是否掛載，發現/dev/sdb未掛載

zjj@zjj-virtual-machine:/dev$ mount sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime) proc on /proc type proc (rw,nosuid,nodev,noexec,relatime) udev on /dev type devtmpfs (rw,nosuid,noexec,relatime,size=1962340k,nr_inodes=490585,mode=755,inode64) devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000) tmpfs on /run type tmpfs (rw,nosuid,nodev,noexec,relatime,size=399016k,mode=755,inode64) /dev/sda5 on / type ext4 (rw,relatime,errors=remount-ro) securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime) tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev,inode64) tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k,inode64) tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755,inode64) cgroup2 on /sys/fs/cgroup/unified type cgroup2 (rw,nosuid,nodev,noexec,relatime,nsdelegate) cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,name=systemd) pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime) none on /sys/fs/bpf type bpf (rw,nosuid,nodev,noexec,relatime,mode=700) cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer) cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpu,cpuacct) cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb) cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids) cgroup on /sys/fs/cgroup/rdma type cgroup (rw,nosuid,nodev,noexec,relatime,rdma) cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset) cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls,net_prio) cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory) cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices) cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio) cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event) systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=28,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=27431) mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime) hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M) debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime) tracefs on /sys/kernel/tracing type tracefs (rw,nosuid,nodev,noexec,relatime) /var/lib/snapd/snaps/bare_5.snap on /snap/bare/5 type squashfs (ro,nodev,relatime,x-gdu.hide) /var/lib/snapd/snaps/core18_1705.snap on /snap/core18/1705 type squashfs (ro,nodev,relatime,x-gdu.hide) /var/lib/snapd/snaps/core18_2253.snap on /snap/core18/2253 type squashfs (ro,nodev,relatime,x-gdu.hide) /var/lib/snapd/snaps/core20_1270.snap on /snap/core20/1270 type squashfs (ro,nodev,relatime,x-gdu.hide) /var/lib/snapd/snaps/gnome-3-34-1804_24.snap on /snap/gnome-3-34-1804/24 type squashfs (ro,nodev,relatime,x-gdu.hide) /var/lib/snapd/snaps/gnome-3-34-1804_77.snap on /snap/gnome-3-34-1804/77 type squashfs (ro,nodev,relatime,x-gdu.hide) /var/lib/snapd/snaps/gnome-3-38-2004_87.snap on /snap/gnome-3-38-2004/87 type squashfs (ro,nodev,relatime,x-gdu.hide) /var/lib/snapd/snaps/gtk-common-themes_1506.snap on /snap/gtk-common-themes/1506 type squashfs (ro,nodev,relatime,x-gdu.hide) /var/lib/snapd/snaps/gtk-common-themes_1519.snap on /snap/gtk-common-themes/1519 type squashfs (ro,nodev,relatime,x-gdu.hide) fusectl on /sys/fs/fuse/connections type fusectl (rw,nosuid,nodev,noexec,relatime) configfs on /sys/kernel/config type configfs (rw,nosuid,nodev,noexec,relatime) /var/lib/snapd/snaps/snap-store_433.snap on /snap/snap-store/433 type squashfs (ro,nodev,relatime,x-gdu.hide) /var/lib/snapd/snaps/snapd_7264.snap on /snap/snapd/7264 type squashfs (ro,nodev,relatime,x-gdu.hide) /var/lib/snapd/snaps/snapd_14295.snap on /snap/snapd/14295 type squashfs (ro,nodev,relatime,x-gdu.hide) /var/lib/snapd/snaps/snap-store_558.snap on /snap/snap-store/558 type squashfs (ro,nodev,relatime,x-gdu.hide) vmware-vmblock on /run/vmblock-fuse type fuse.vmware-vmblock (rw,relatime,user_id=0,group_id=0,default_permissions,allow_other) /dev/sda1 on /boot/efi type vfat (rw,relatime,fmask=0077,dmask=0077,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro) tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=399012k,mode=700,uid=1000,gid=1000,inode64) gvfsd-fuse on /run/user/1000/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000) /dev/sr0 on /media/zjj/Ubuntu 20.04 LTS amd64 type iso9660 (ro,nosuid,nodev,relatime,nojoliet,check=s,map=n,blocksize=2048,uid=1000,gid=1000,dmode=500,fmode=400,iocharset=utf8,uhelper=udisks2) /dev/fuse on /run/user/1000/doc type fuse (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000) tmpfs on /run/snapd/ns type tmpfs (rw,nosuid,nodev,noexec,relatime,size=399016k,mode=755,inode64) nsfs on /run/snapd/ns/snap-store.mnt type nsfs (rw)

執行掛載，將建立目錄/dev/sdb ,并將/dev/掛載到/data1目錄下。

zjj@zjj-virtual-machine:/dev$ sudo mkdir /data1 zjj@zjj-virtual-machine:/dev$ sudo mount /dev/sdb /data1/ # 查看是否掛載成功------------發現下圖中出現/dev/sdb zjj@zjj-virtual-machine:/dev$ mount

# 在文件夾/data1下建立測試文件夾testdir ls-l 查看文件夾信息，可以看到掛載成功 zjj@zjj-virtual-machine:/dev$ sudo mkdir /data1/testdir zjj@zjj-virtual-machine:/dev$ ls -l /data1/ 總用量 20 drwx------ 2 root root 16384 12月 15 13:44 lost+found drwxr-xr-x 2 root root 4096 12月 15 13:58 testdirzjj@zjj-virtual-machine:/dev$ sudo umount /dev/sdb # 再次查看 zjj@zjj-virtual-machine:/dev$ mount # 查看 zjj@zjj-virtual-machine:/dev$ ls -l /data1/ 總用量 0

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