[root@DBServer-BAK lib]# cd /tmp
[root@DBServer-BAK tmp]# ll
ls: 无法访问mysql.sock: 输入/输出错误
总用量 40
drwxr-xr-x 2 root root 4096 6月 25 11:16 hsperfdata_root
s????????? ? ? ? ? ? mysql.sock
-rw------- 1 mysql mysql 6 6月 25 11:34 mysql.sock.lock
-rwxrwxrwx 1 root root 45 6月 25 11:46 mysql.sock.tar.gz
drwx------ 3 root root 4096 6月 25 11:16 systemd-private-0a3b207663d847a183bbad804fca0ebd-colord.service-sic0B1
drwx------ 3 root root 4096 6月 25 11:16 systemd-private-0a3b207663d847a183bbad804fca0ebd-cups.service-4zk1XQ
drwx------ 3 root root 4096 6月 25 11:16 systemd-private-0a3b207663d847a183bbad804fca0ebd-rtkit-daemon.service-aM0JqV
drwx------ 3 root root 4096 6月 20 07:42 systemd-private-6d51751ab45a4174b26d3719b9ce8eee-colord.service-1RN8yw
drwx------ 3 root root 4096 6月 20 07:42 systemd-private-6d51751ab45a4174b26d3719b9ce8eee-cups.service-vXDiW2
drwx------ 3 root root 4096 6月 20 07:42 systemd-private-6d51751ab45a4174b26d3719b9ce8eee-rtkit-daemon.service-zCu1j4
drwx------ 2 ytomsbag ytomsbag 4096 6月 21 11:23 tracker-extract-files.1000
下面贴出来代码(加粗显示有效代码):
[root@DBServer-BAK tmp]# df -h /tmp/
文件系统 容量 已用 可用 已用% 挂载点
/dev/sda3 50G 6.7G 40G 15% /
[root@DBServer-BAK tmp]# debugfs -w /dev/sda3
debugfs 1.42.9 (28-Dec-2013)
debugfs: ll
debugfs: Unknown request "ll". Type "?" for a request list.
debugfs: rm mysql.sock
rm: File not found by ext2_lookup while trying to resolve filename
debugfs: rm -rf mysql.sock
rm: Usage: rm <filename>
debugfs: open /dev/sda3
open: Filesystem /dev/sda3 is still open. Close it first.
debugfs: ls
2 (12) . 2 (12) .. 11 (20) lost+found 1048577 (12) boot
786433 (12) dev 3145729 (12) home 1966081 (12) proc
1703937 (12) run 2097153 (12) sys 2228225 (12) etc
655361 (12) root 2752513 (12) tmp 524289 (12) var
12 (28) .autorelabel 3014657 (12) usr 17 (12) bin 16 (12) sbin
13 (12) lib 15 (16) lib64 262145 (16) media 393217 (12) mnt
2621441 (12) opt 1179649 (12) srv 1323 (20) .readahead
1835009 (12) rose 2359297 (16) hasys
6661 (36) .37fa4d3d73d93d12529b2.4f9
11977 (44) .415398dac07c67f7599ff91f5e2ddf5.81f
1320 (44) .bd98171941bbcafed3968cd487599e6.91d 1321 (3616) .482d24.99
debugfs: ll
debugfs: Unknown request "ll". Type "?" for a request list.
debugfs: cd /tmp
debugfs: ls
2752513 (12) . 2 (4084) .. 2752518 (20) .Test-unix
2752523 (96) systemd-private-6d51751ab45a4174b26d3719b9ce8eee-cups.service-vXDiW2
2752533 (16) .X0-lock
2752528 (96) systemd-private-6d51751ab45a4174b26d3719b9ce8eee-colord.service-1RN8yw
2752534 (20) mysql.sock
2752522 (84) systemd-private-0a3b207663d847a183bbad804fca0ebd-rtkit-daemon.service-aM0JqV
2752551 (84) mysql.sock.lock 2752550 (36) tracker-extract-files.1000
2752531 (76) systemd-private-0a3b207663d847a183bbad804fca0ebd-cups.service-4zk1XQ
2752549 (3568) systemd-private-0a3b207663d847a183bbad804fca0ebd-colord.service-sic0B1
2752519 (20) .X11-unix 2752520 (12) .not
2752514 (84) systemd-private-6d51751ab45a4174b26d3719b9ce8eee-rtkit-daemon.service-zCu1j4
2752538 (188) mysql.sock.tar.gz 2752543 (800) .esd-1000
2752515 (100) .font-unix 2752529 (580) hsperfdata_root
2752516 (116) .XIM-unix 2752517 (2196) .ICE-unix
debugfs: rm mysql.sock
debugfs: ls
2752513 (12) . 2 (4084) .. 2752518 (20) .Test-unix
2752523 (96) systemd-private-6d51751ab45a4174b26d3719b9ce8eee-cups.service-vXDiW2
2752533 (16) .X0-lock
2752528 (116) systemd-private-6d51751ab45a4174b26d3719b9ce8eee-colord.service-1RN8yw
2752522 (84) systemd-private-0a3b207663d847a183bbad804fca0ebd-rtkit-daemon.service-aM0JqV
2752551 (84) mysql.sock.lock 2752550 (36) tracker-extract-files.1000
2752531 (76) systemd-private-0a3b207663d847a183bbad804fca0ebd-cups.service-4zk1XQ
2752549 (3568) systemd-private-0a3b207663d847a183bbad804fca0ebd-colord.service-sic0B1
2752519 (20) .X11-unix 2752520 (12) .not
2752514 (84) systemd-private-6d51751ab45a4174b26d3719b9ce8eee-rtkit-daemon.service-zCu1j4
2752538 (188) mysql.sock.tar.gz 2752543 (800) .esd-1000
2752515 (100) .font-unix 2752529 (580) hsperfdata_root
2752516 (116) .XIM-unix 2752517 (2196) .ICE-unix
debugfs: ll
debugfs: Unknown request "ll". Type "?" for a request list.
debugfs: quit
[root@DBServer-BAK tmp]# ll
//再查看 此时已经删除了
总用量 40
drwxr-xr-x 2 root root 4096 6月 25 11:16 hsperfdata_root
-rw------- 1 mysql mysql 6 6月 25 11:34 mysql.sock.lock
-rwxrwxrwx 1 root root 45 6月 25 11:46 mysql.sock.tar.gz
drwx------ 3 root root 4096 6月 25 11:16 systemd-private-0a3b207663d847a183bbad804fca0ebd-colord.service-sic0B1
drwx------ 3 root root 4096 6月 25 11:16 systemd-private-0a3b207663d847a183bbad804fca0ebd-cups.service-4zk1XQ
drwx------ 3 root root 4096 6月 25 11:16 systemd-private-0a3b207663d847a183bbad804fca0ebd-rtkit-daemon.service-aM0JqV
drwx------ 3 root root 4096 6月 20 07:42 systemd-private-6d51751ab45a4174b26d3719b9ce8eee-colord.service-1RN8yw
drwx------ 3 root root 4096 6月 20 07:42 systemd-private-6d51751ab45a4174b26d3719b9ce8eee-cups.service-vXDiW2
drwx------ 3 root root 4096 6月 20 07:42 systemd-private-6d51751ab45a4174b26d3719b9ce8eee-rtkit-daemon.service-zCu1j4
drwx------ 2 ytomsbag ytomsbag 4096 6月 21 11:23 tracker-extract-files.1000