Networking :: NFS Mount Fails - Times Out - NFS Server Is In DMZ - NFS Client Is In Intranet
May 14, 2010
Both server (web01), in DMZ, and client (app01), intranet, are Linux OEL5.5.
A few hints follows:
1- I ssh to web01, in DMZ, from a intranet machine on my desktop, export my DISPLAY, and try to bring up xclock; nothing happens.
2- traceroute from web01 to app01 fails.
3- NFS mount from web01, nfs server, to nfs client, app01, fails.
How should my network configuration on web01 or app01 be to make this NFS mount from web01 to app01 work?Each server has 4 NICs, I've only used eth0.
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May 13, 2010
I have a "friend" who hosts a couple of websites that I maintain. I have always used filezilla client to connect and update the files on the website.I lost access for a little while and he said that "The profiles had accidentally been dropped".He reinstated everything but now I cannot complete a log on session. I maintain several other websites which have the same PURE FTPd server at their end and I can connect to these OK.The delicacy of the matter is that, with no changes at my end, and my other sites working, logic suggests that something has changed at his end. I have very patiently worked through all his suggestions but to no avail.I can't suggest that he is at fault when he claims expertise in the field and I am a complete lamer when it comes to FTP.
I wonder if anyone would be kind enough to review the log on result below and see if they can throw some light on the situation for me.(I have anonymised the IP address and other information for security reasons)
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Sep 17, 2009
I'm trying to connect to a Microsoft ISA PPTP server from my Linux box. The box I'm connecting from is itself a router. I have no problem connecting a Windows XP machine to the VPN via this machine. This is fine, but I would rather connect via the Linux machine, giving me far more advanced routing options (i.e. no to send every packet from the XP box completely unnecessarily via the PPTP tunnel). The Linux router is running Debian Lenny.
I've checked iptables. There were initially some issues. I've fixed those.
Invoking pppd from the console, I can see that authentication succeeds, but then some negotiation goes wrong and the server terminates the connection. Here's the output from pppd, with the more sensitive stuff removed:
Code:
<hostname>:~# pppd call <peer> nodetach debug
using channel 19
Using interface ppp0
Connect: ppp0 <--> /dev/pts/2
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xe3e45f75> <pcomp> <accomp>]
code....
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Feb 19, 2010
I am using Ubuntu on a Windows network.
One of the computers have apache server (working), it has 192.168.1.6 IP, and the name of the computer on the network is "servidor"
I can't access from ubuntu, if I type http://servidor or 192.168.1.6, it goes to [URL], but I can access shared folders, just the host intranet server I can't
I have vmware with windows xp, and I can access http://servidor from there, but not from Firefox in Ubuntu.
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Mar 23, 2011
I have the follwoing fenomenan. In my /etc/fstab I have an entry to automatically mount my NAS. Here is my entry:
192.168.1.10:/mnt/array1/My_NAS /media/My�40NAS nfs _netdev,
auto,rw,hard,users,intr 0 0
When my laptop boots it successfully mounts the NFS NAS and I get an icon "My NAS" on my dekstop that points to the NAS. If I double click on the icon it opens my file browser and I can browse thru my NAS fodlers.
What I see on the left hand side of the file browser is that I have to entries for My NAS. One of it has a button to shows that it is mounted and the other does not.
If I go to Places I also see 2 entries for "My NAS". One of it takes me to browsing the NAS and if I click on the other it says "Unable to mount ... busy or already mounted". Which makes sense.
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Nov 17, 2008
I'm following [URL] to build a mail server running postfix virtual. The server is now running able to send and receive mails. But remote mail client 'Evolution' can't login the server to send/receive mails.
# tail /var/log/mail.log
Code:
Nov 17 09:00:32 xen05 postfix/smtpd[6601]: warning: xen0.satimis.com[192.168.0.110]: SASL PLAIN authentication failed: authentication failure
Nov 17 09:00:48 xen05 postfix/smtpd[6601]: warning: SASL authentication problem: unable to open Berkeley db /etc/sasldb2: No such file or directory
Nov 17 09:00:48 xen05 last message repeated 3 times
Nov 17 09:00:48 xen05 postfix/smtpd[6601]: warning: SASL authentication failure: Password verification failed .....
Still fail: "Login authentication" and "plain authentication" same result.
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Jun 27, 2010
No sure exactly what the problem is here? I am trying to get a X app running from a remote site on my desktop. I am using this proceedure:xhost +remote host xauth on local host the get 'Cookie'.
scp Cookie to remote host
xauth merge Cookie into .Xauthority
ssh to remote.
export DISPLAY=local host:0
xfig
xfig fails with "Error: Can't open display: local:0"
If I start another X using '-ac' ( not authinaction) and put to local:1 , all is well.
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Sep 28, 2010
Just installed openldap server on a VM CentOS called 'ldapsrv', it works fine, ldapsearch returns all ldap information.
Installed openldap client on another VM CentOS called 'ldapclient1', configured it with most basic configuration, no ssl/tls etc. but ldapsearch returns error:
ldapsrv is pingable:
Some outputs:
PHP Code:
PHP Code:
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Mar 14, 2009
Apologies if this was asked before -- I have googled the last bytes out of my Firefox but fail to find anything helpful. Here's my problem:I have a foomatic hpijs cups-driver for a HP Inkjet (Non-PS printer) installed. Printing from UNIX-hosts works. I have cups configured not to allow raw-printing (/etc/cups/mime.types: #application/octet-stream, /etc/cups/mime.convs: #application/octet-stream).I have now installed samba-printing, the cups PS-drivers plus the Windows PS-drivers are populated to /etc/samba/drivers/W32X86/ and get pushed to the WIN-Client.Problem is that when I print from a WINXP client, the printer outputs heaps of Postscript-text instead of my page.I have tried to debug this a bit but fail to find anything really useful. My observations so far:
- The samba-pushed HP_Photosmart_3300.ppd (in both /etc/samba/drivers/... and in the resulting dir on the WINXP client) reads:
*cupsFilter: "application/vnd.cups-postscript 0 foomatic-rip"
[code]....
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Jan 9, 2010
I have openvpn server configured with bridged interface on my openwrt router. The client is running ubuntu 9.10 with config:
Client
dev tap
proto udp
remote x.x.x.x 1194
resolv-retry infinite
nobind
persist-key
persist-tun
ca /home/blwegrzyn/openvpn/ca.crt
cert /home/blwegrzyn/openvpn/client1.crt
key /home/blwegrzyn/openvpn/client1.key
comp-lzo
verb 5
(x.x.x.x was hidden)
When the client connects the log says:
WRRRWRSat Jan 9 20:16:03 2010 us=332404 PUSH: Received control message: 'PUSH_REPLY,redirect-gateway,dhcp-option DNS 192.168.1.241,route-gateway 192.168.1.254,ping 10,ping-restart 120' .....
Sat Jan 9 20:16:03 2010 us=343906 ERROR: Linux route add command failed: external program exited with error status: 7
The server is trying to push default gateway 192.168.1.254 to the client and the client is on 192.168.2.0 network as you can see the route addition fails with SIOCADDRT: No such process. This is because the tap interface does not have any ip and the route addition is not possible. The tap interface is not getting the dhcp address through the tunnel, not sure why (this works on XP). To fix the problem I must manually add the ip to the tap interface, and the default gateway, but then i must add dhcp server to resolv.conf to make it work and once I disconnect the computer does not know the old valid dhcp anymore and cannot communicate. Why openvpn cannot get the ip automatically? Why it cannot grab the dhcp from the tunnel? Is it related to the wireless card being managed by the network manager? This works perfect on windows machine (xp sp3).
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Jul 12, 2011
I've setup an NFS share on my Fedora 15 host of which Google'ing told me that it had changed radically from the old NFSv3 config. Ie. no more /etc/hosts.allow or /etc/hosts.deny files.....My current setup is this..../etc/sysconfig/nfs:
Code:
#
# Define which protocol versions mountd
[code]...
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Jul 3, 2011
I have nfs-server installed and running on my Ubuntu 10.04 server. I have some directories exported. I can connect from my Ubuntu 10.04 PC using the commands:
sudo mount taylor10:/data0 /t10/data0
sudo mount taylor10:/data1 /t10/data1
sudo mount taylor10:/data2 /t10/data2
sudo mount taylor10:/data3 /t10/data3
However, when I have my firewall on the PC enabled (Firstarter) I cannot make the mounts. I have ports 111 and 2049 open. If I stop the firewall, do the mounts and then start the firewall I am still mounted to the nfs shares. The connection is on port 2049. I have observed that when the firewall is enabled and I issue the mount command I get traffic on a random port such as 46694, 37022, etc. I have found instructions regarding editing /etc/default/nfs-common but they seem to control the port the server is listening on, not the port which the client is asking on. How do I lock down the port which mount and/or the nfs client is using to talk to the server to make the initial contact.
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Feb 9, 2010
i have installed nfs server on my redhat machine.when i want to mount shared data from client(suse)machine the following error occur. "mount.nfs: mount to NFS server '10.3.31.146:/home/usbtest' failed: System Error: No route to host" both machines ping each other successfully.
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Nov 12, 2010
I have an Ubuntu 10.10 server and client. The server is stable, but the client crashes when writing to an nfs mount.The server has a software RAID, and I have tried every combination I can think of for mounting the share (udp, tcp, write size, nfs, nfs4 and so forth).
I don't have any security on the share, and it only appears to happen when writing to the share (so far). It happens fairly consistently when writing large files (over one GB). The copy starts to stall/start, then the whole interface freezes. I can't drop to other levels (ctrl-alt-f1), but there is still disk activity, and I had it beep at me after a freeze when I clicked several keys....
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Jul 16, 2010
I am working on a NFS server embedded on a PowerPC plateform (4650EX, 512Ram, 1 GB Ethernet) but i can't mount my exports folders from my client. Here are messages :-- server side :
$ tail /var/log/message
Dec 11 23:35:45 canyonlands mountd[1345]: authenticated mount request from 147.138.27.17:620 for /mnt/ssd (/mnt/ssd)
[code]....
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May 17, 2011
Client is running Oracle VM Server 2.2.1 (kernel 2.6.18-128.2.1.4.37.el5xen). Storage is a NetApp 3210 (NFS configured to use TCP).
Iptables on client has udp and tcp ports 111, 2049 and the NFS server ports opened. Info retrieved using: rpcinfo -p NetApp
When trying a manual mount ...
But when using the proto=tcp option, it works ...
Stopping iptables also works (I can manually mount the share without using proto=tcp).
Is the mounting process somehow trying to negotiate first using udp which the Netapp doesn't respond and hence it fails by timing out?
Can I configure iptables such that I don't have to use the proto=tcp option? Or is there another configuration file I can tweak so that I don't have to use the proto=tcp option?
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May 28, 2011
I have no problems accessing files, with the windows shares. The only problem is getting my printer to mount. Here is the trouble shoot log, I didn't fine the problem till, I tried to print something.
Quote:
Page 1 (Scheduler not running?):
{'cups_connection_failure': False}
Page 2 (Choose printer):
{'cups_dests_available': [], 'cups_queue_listed': False}
[Code]....
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Nov 8, 2010
I am not able to configure nfs mounted disk for shareing samba. i have a server X. which configure samba for windows XP client this is done. now i have export X server samba share disk to mount Y server using nfs. this is mount and ok. but i don't share this disk using Y server samba configure.
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Jul 12, 2011
I have an Ubuntu 11.04 Server set up for my small office whose sole job is to run as a samba file server. The problem is that it randomly hangs. For example, I can connect the clients just fine, however if left idle it tends to take a few moments to work when you try to go back into the shared folder or drive. The client will behave like it is disconnected and is trying to search for the drive only to a few moments later, go right back to normal behavior.
If I ping this server while this is happening my requests will time out for a little while and then just start working. The same thing happens when I try to connect with Putty or through WebMin. One second its unreachable then the next its fine.I have already tried swapping out patch cables (which actually seemed to work for about 2 weeks) and I have patched it to an alternate port on the switch. The only thing I have not done at this time is to change the NIC.All the clients are running Win7 with the exception of two XP machines.Simply put, its like the machine just goes dormant for a while until you ping at it for a while to wake it back up.
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Jul 6, 2009
I run a CentOS 5.1 using VMServer on XP. From home I can successfully 'cvs login' to my CVS server. But starting 'cvs update', the connection times out.
Netstat shows the connection as established:
# netstat -an | grep 2401
tcp 0 0 192.168.1.35:58651 85.25.xx.xx:2401 ESTABLISHED
CVS server is domain managed with dnsalias service (dyndns.org)
Using the same computer at work (other ISP) I have no problems - cvs update works just fine.
Can I assume that it is not a port/firewall issue, since "cvs login" is successful? Any clues where to start diggin'?
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Aug 23, 2011
I am completely new to Debian . My aim is to get one of my machines to run this system as the intranet server including www server, mailing server, intranet server and LAMP at the same time on the small network. I have found some resources including how-to's how to install Debian as the normal operative OS not as the intranet server. I have also found this: [url].However that is applicable for the 'Mandrake' distribution (Mandriva). Now, I would like to ask few questions that will be applicable not only for me but for more users and if someone could answer them .
1.What installation source shall I choose, CD/DVD/Network Install CD?
2.I have found this: [url] ... troduction is that applicable?
3.How to install web server, mail server, LAMP and configure them, link above describes mail server installation not configuration itself.
4.How to configure intranet on Debian to work as the server serving the Windows clients (using Samba?)
If someone could propose a set of the sources or the instructions how to achieve all of the steps I would really appreciate that. Also, if sources will be given by the users I shall try to achieve what I want and write up 'how-to' for this problem. Therefore, me and other users would benefit from that.
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Aug 17, 2011
I work for an organization with a few hundred employees. We need a very simple CMS for posting basic organizational documentation such has step-by-step instructions, as well as pdf and MS Office documents.We would prefer something that would organize content hierarchically, so we can structure the info into departments and functional areas. A MySQL or similar database is preferred, but flat file is okay as long as it does not limit content/structure too much.We would probably have about 15 to 20 content authors/editors. No workflow, authentication (except authors/editors) or secure content areas are required.
The only limitation would be that the content could only be accessed from a particular range of IPs. (I assume that would be set in Apache.)
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Jun 16, 2011
I plan to host a Server. I want to know which is the best for Visualization.
Cent OS = > Xen
VMware = > open source.
i need to host a intranet in my company. they r going use java web based.which way is the best solution improve the I/0 request speed.
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Jul 5, 2010
when i am checking filesystem under my linux server, i observer my nfs mount point is showing two times,
i cant reboot the server until i get the downtime from the customer, does this repeated mount makes any problem
nfsclient#df -h
---------skip-------------------------
nfsserver:/export1/temp 370G 236G 115G 68% /db2/temp
nfsserver:/export1/temp 370G 236G 115G 68% /db2/temp
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Jun 4, 2010
I have been trying to set up an old pIII 700Mhz PC as a local intranet server to run some PHP code.
I have got debian installed setup ssh since it is a headless computer mounted a usb hard drive to store the web page remapped apache2 to use the /mnt/sda1/html/ folder and tested that php scripts are running
now what i can't seem to get working is the following:
ftp access to /mnt/sda1/html so I can upload files from my pc on the network and
phpmyadmin so i can easily manipulat mySQL databases.
after reading [URL] I typed in #apt-get install phpmyadmin
it downloads a bunch of stuff and says it is installing it but when i do the next step in the instructions go to
http://192.168.0.100/phpmyadmin/
I get a 404 Not Found error.
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Jul 29, 2011
How do I get the details of the last 10 or 5 mount times for my linux system. Which also includes the times it was mounted from a foreign system running in ram like puppy linux or by another OS on the same hard disk.
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May 12, 2011
what is the best configuration in httpd.conf to set up an intranet with Apache on Windows server?
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Apr 13, 2010
We have one squid proxy server running on CentOS 5.3 64 bit with Squid 2.6. it works well for me.
but my problem/question is :
Is it possible to skip proxy for all Internet addresses? and only allow proxy if clients are accessing external addresses?
right now users have to explicitly say in the browsers .. BYPASS PROXY SERVER for local addresses after check the use proxy server
and address has to be mentioned. most users are non technical so they don't use this option or put wrong setting in bypass proxy option
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Jul 7, 2010
I want to do is make an old computer of mine that I use for web development be accessible to anyone within my LAN only.
so in a nutshell i don't want the world wide web to be able to access this server since I use it for development work only and i do most of my actual development work on another system since most of the applications i use requires windows.
I know you can block incoming traffic to all IPs or add individual IPs to allow in, but how can i make the firewall only accept incoming traffic from those within my LAN network?
if you wish to know what I'm using to configure my firewall, I'm using firestarter on this server
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Jul 15, 2011
i've installed a PPTP VPN and have it configured under webmin. fine.i've connected from a remote laptop to the VPN and can access the local netowrk with it. greati really want to be able to access the outside world whilst tunneled through the VPN but clearly i need to do something else?
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