创建文件提示
[emailprotected]:/test>mkdir kk
mkdir: 无法创建目录"kk": 只读文件系统
[emailprotected]:/test>mount
.....
mqueue on /dev/mqueue type mqueue (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw,relatime)
nfsd on /proc/fs/nfsd type nfsd (rw,relatime)
/dev/sdb1 on /test type ext4 (ro,relatime,data=ordered)
/dev/sda1 on /boot type xfs (rw,relatime,attr2,inode64,noquota)
tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=1625328k,mode=700,uid=1000,gid=1000)
[emailprotected]:/test>cat /proc/mounts
...
mqueue /dev/mqueue mqueue rw,relatime 0 0
debugfs /sys/kernel/debug debugfs rw,relatime 0 0
hugetlbfs /dev/hugepages hugetlbfs rw,relatime 0 0
sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw,relatime 0 0
nfsd /proc/fs/nfsd nfsd rw,relatime 0 0
/dev/sdb1 /test ext4 ro,relatime,data=ordered 0 0
/dev/sda1 /boot xfs rw,relatime,attr2,inode64,noquota 0 0
tmpfs /run/user/1000 tmpfs rw,nosuid,nodev,relatime,size=1625328k,mode=700,uid=1000,gid=1000 0 0
解决办法
使用 mount –o remount,rw /test 命令可以将文件系统修改为读写属性，然后就可以随意修改了！
参考文章：/chenzhefan/p/8506725.html
