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谁能告诉我为什么 ubuntu 客户端在尝试使用 cifs 本地挂载远程 samba 共享时出现挂载错误？我可以通过网络访问客户端文件资源管理器上的所有共享，但无法安装本地共享。知道为什么吗？此处展示所有配置
错误：
mount -a
mount error(2): No such file or directory
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) and kernel log messages (dmesg)
mount error(2): No such file or directory
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) and kernel log messages (dmesg)
ubuntu@client:/# cat /etc/fstab
//192.168.3.1/comercial /mnt/comercial cifs rw,username=marta,password=Passw0rd,uid=1005,gid=1005 0 0
//192.168.3.1/it /mnt/it cifs rw,username=marta,password=Passw0rd,uid=1005,gid=1005 0 0
ubuntu@client:/mnt# ll
total 40
drwxr-xr-x 10 root root 4096 dez 12 21:57 ./
drwxr-xr-x 20 root root 4096 out 3 14:58 ../
drwxrwx--- 2 marta marta 4096 dez 12 17:41 comercial/
drwxrwx--- 2 marta marta 4096 dez 12 17:41 it/
root@server:/# cat /etc/fstab (Permanent mount on Server)
# /etc/fstab: static file system information.
#HDD3
/dev/disk/by-uuid/2868d2bf-d1d4-495e-90e3-63f0b04f8027 /mnt/hddextra/contabilidade ext4 rw 0 0
/dev/disk/by-uuid/b98fe068-526b-4f87-b392-2ce93ebebadd /mnt/hddextra/logistica ext4 rw 0 0
/dev/disk/by-uuid/33d55b1b-7ecc-44ad-a02a-b3016652c2ef /mnt/hddextra/comercial ext4 rw 0 0
/dev/disk/by-uuid/3b7d60f4-e089-454f-9df2-a0e5da79cd2e /mnt/hddextra/it ext4 rw 0 0
/dev/disk/by-uuid/42046503-c958-432c-9a4f-74781c13f4e6 /mnt/hddextra/administracao ext4 rw 0 0
root@server:/mnt# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
├─sda1 8:1 0 1M 0 part
├─sda2 8:2 0 1G 0 part /boot
└─sda3 8:3 0 19G 0 part
└─ubuntu--vg-ubuntu--lv 253:0 0 19G 0 lvm /
├─sdc1 8:33 0 205M 0 part /mnt/hddextra/contabilidade
├─sdc2 8:34 0 205M 0 part /mnt/hddextra/logistica
├─sdc3 8:35 0 205M 0 part /mnt/hddextra/comercial
├─sdc4 8:36 0 205M 0 part /mnt/hddextra/it
└─sdc5 8:37 0 202M 0 part /mnt/hddextra/administracao
root@server:/mnt# ll /mnt/hddextra/
total 32
drwxr-xr-x 7 samba samba 4096 Dec 12 22:14 ./
drwxr-xr-x 6 root root 4096 Dec 12 21:39 ../
-rw-r--r-- 1 root root 1024 Dec 12 22:14 .pdbedit.swp
drwxrwx--- 3 administracao administracao 4096 Dec 12 16:14 administracao/
drwxrwx--- 3 comercial comercial 4096 Dec 12 16:14 comercial/
drwxrwx--- 3 contabilidade contabilidade 4096 Dec 12 16:14 contabilidade/
drwxrwx--- 3 it it 4096 Dec 12 16:14 it/
drwxrwx--- 3 logistica logistica 4096 Dec 12 16:14 logistica/
root@server:/# smbclient -L 192.168.3.1
Enter CET53\root's password:
Sharename Type Comment
--------- ---- -------
print$ Disk Printer Drivers
publica Disk Partilha publica
privada Disk Partilha privada
contabilidade Disk Partilha Contabilidade
logistica Disk Partilha Logistica
comercial Disk Partilha Comercial
it Disk Partilha it
administracao Disk Partilha Administracao
IPC$ IPC IPC Service (cet53server server (Samba, Ubuntu))
SMB1 disabled -- no workgroup available
=================================================== =========
smb.conf：（客户端上没有安装任何共享）
[administracao]
comment = Partilha Administracao
browseable = yes
path = /mnt/hddextra/administracao
guest ok = no
read only = yes
valid users = @administracao
write list = rita, mario
force group = administracao
#force user = empresa
force create mode = 0770
security mask = 0770
create mask = 0770
directory mask = 0770
=================================================== =
[global]
workgroup = CET53
server string = %h server (Samba, Ubuntu)
#### Networking ####
; interfaces = 127.0.0.0/8 eth0
; bind interfaces only = yes
#### Debugging/Accounting ####
log file = /var/log/samba/log.%m
max log size = 1000
logging = file
panic action = /usr/share/samba/panic-action %d
####### Authentication #######
server role = standalone server
obey pam restrictions = yes
unix password sync = yes.
passwd program = /usr/bin/passwd %u
passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* .
pam password change = yes
map to guest = bad user
########## Misc ###########
usershare allow guests = yes
===========================================
(All the users belong to the right groups)
(Last 2 log lines of /var/log/samba/log.«clientmachine»
[2020/12/13 17:25:17.161291, 0] ../../lib/param/loadparm.c:800(lpcfg_map_parameter)
Unknown parameter encountered: "security mask"
[2020/12/13 17:25:17.161319, 0] ../../lib/param/loadparm.c:1859(lpcfg_do_service_parameter)
Ignoring unknown parameter "security mask"
===================================================================
Again, all is fine when browsing directories on network file explorer:
smb://192.168.3.1
Except client won´t mount shares locally with cifs.
The following lines are an mounting attempt with a Debian machine:
(It gives a different error)
marco@debian:~# mount -t cifs //192.168.3.1/it /mnt/it
Password for root@//192.168.3.1/it: ********
mount error(112): Host is down
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)
The following lines are a mounting attempt with ubuntu client:
Password for root@//192.168.3.1/contabilidade/:
mount error(2): No such file or directory
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) and kernel log messages (dmesg)
Password for root@//192.168.3.1/logistica/: ********
mount error(2): No such file or directory
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) and kernel log messages (dmesg)
答案1
找到答案：服务器上的 445 端口已关闭。太蹩脚了...由于某种原因打开了端口 137、138、139 和 «443» (https)