Three VPS's Mount Sharable Directory, NFS
Mar 18, 2007
Not sure where to start with this one...
My Setup
1 x [VPS1] OpenVZ Based VPS, with cPanel/WHM installed and Webmin. CentOS 4.4
1 x [VPS2] OpenVZ Based VPS, with OpenVPN installed, with Webmin. CentOS 4.4
1 x [VPS3] Xen Based VPS, with Webmin. FC4
All servers are in different remote locations.
What I would like
In each of the VPS's to have a directory called "shared" in the / directory.
It would be great if I could mount "shared" in the other two VPS's and share files securely.
How would I go about setting this up, I would prefer not to use OpenVPN as one of the VPS's has a custom setup of it.
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Aug 10, 2007
Do VPSs on the same physical server share the same IP?
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Apr 22, 2007
I would to know if you know someone sells VPS on Netdirekt servers, cause I don't like very much the official NetDirekt VPS offers...
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Mar 24, 2009
I currently have 2 VPSs that I'm monitoring and I noticed that on one of them the memory usage is much higher than the other which doesn't make sense to me. I tracked the high memory usage to the Apache processes.
Here's the overview of the VPSs:
LiquidWeb VPS- 512MB RAM, 10 Sites with minimal usage.
Average httpd process (Owner Priority Cpu% Mem% Command):
nobody 0 0.0 1.2 /usr/local/apache/bin/httpd -k start -DSSL
Virpus VPS- 384MB RAM, 61 sites with moderate usage.
Average httpd process (Owner Priority Cpu% Mem% Command):
nobody 0 0.0 0.3 /usr/local/apache/bin/httpd -k start -DSSL
Both Apache configurations are identical, the only difference besides the hardware is that LiquidWeb runs CentOS4.7 and Virpus runs CentOS5.2, any ideas? It's not to big of a deal since I'm not near my limit for either of them but I was just curious.
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Aug 7, 2007
what's going inside my provider Powervps/Defender hosting, they are offering now 25% OFF of new customers + triply bandwidth.
Curent customers are not allowod to get this offer, until they order a new VPS and cancel the older.
I'm asking, because i feel, it's samething, why they don't go upgarading the account throughly with keeping IPs and data..? why do old customers need to cancel the old VPS then they go get a new VPS..?
are Old VPSs powerfully then the newest..? any informations...?
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Jul 6, 2007
I'm searching for how to create a VPSs From dedicated servers and sell it ..
the dedicated server will be :
4 processors 3.0
8 GB ram
1024 GB H.D.D. Sata II
1 GB Uplink
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Oct 3, 2007
In order to increase the reliability of a audio streaming service I am thinking to take the action I describe below.
1. Buy two Windows VPSs with WMS installed.
2. Register a domain name (i.e audiostream.com) with 4 nameservers: ns1.ip1_vps1, ns2.ip2_vps1, ns3.ip1_vps2, ns4.ip2_vps2.
3. Create all publishing points (streams) on both servers.
Normaly VPS1 should serve all clients. In case VPS1 goes down, VPS2 should jump in and serve all clients-connections. As soon as VPS1 becomes available (ns1 & ns2 start responding again), VPS1 starts serving all new connections.
Load balancing or any other kind of advanced load, traffic, etc management is not important.
Then we have the following cases:
1. VPS1 is down , which means that VPS2 should take charge.
2. VPS1 is up (ns, http, ftp services), but WMS1 is down (crashed). Means that the playlist (asx) file should be built so that it also includes the IP, port & publishing points of VPS2. This should be done because ns1 & ns2 will answer without any problem, but WMS1 will be crashed and won't serve any media connections, thus ASX will look for the next available stream in the playlist.
Do you think that the above is possible. Is this gonna work?
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Feb 15, 2009
if i can create 2 VPS with completely different OS such as CentOS5 and Windows 2003 Std.
The main server will be running CentOS with HyperVM.
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Oct 13, 2009
Last month I order 2 Xen VPSs from Xenvz.co.uk and use them for VPN proxy.
But a few days ago, xenvz stopped one vps and state "This is because it is spreading the Conficker virus.". I'm a little surprise because there's only 10+ users on this vps. Most of them use VPN for visting Youtube or P2P download or gaming. And Conficker virus can only run on Windows, but all my vps is running on Debian.
Maybe someone had download something that contain Conficker virus?
Anyway, I had to move a few users to another vps yesterday.
But xenvz stop my another vps today for the same reason!
I really do not know whether or not one of my user is spreading or other reason, but as I know, Conficker virus had affected thousands of hosts in the past. If someone download or being affect by conficker for any reason, provider then stop their host, I'm afraid thousands of sites would down.
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May 31, 2007
I have a situation like this:
There is a directory say, "Master" and inside, "Master" there is sub-directory, "Slave". A user who has access to, "Master" should be able to access, "Slave" automatically. However, a user who has access to, "Slave" should not have access to, "Master". Inside cPanel this type of protection is not possible.
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Dec 11, 2008
How do I direct my httpd file to point to:
home/USER/public_html
instead of:
C:Users estetc...
I want to do this to make my test server just like the remote server.
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Sep 18, 2008
I want to move the entire contents of a directory tree to another directory.
So for example we may have a directory with 15 directories inside, each directory contains files itself. I want to copy all the files from the directory tree into another directory located somewhere else one the file system. I want only the "files" to end up in the other directory and not the file structure too.
Im running CENTOS latest version.
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Apr 11, 2009
i have a server has problem,
i want to copy the files of the problemed server to another one,
how can i mount the hd of the problemed server to another running server?
my server is centos 5.3
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Jul 3, 2009
I have 2 servers connected through a private network.. I wanted to remotely mount a folder on one of the servers. However when i do it gives me permission error..
On the server
1. Iptables are stopped
2. Exportfs shows the result fine
3. entry in hosts.allow and /etc/hosts is made
4. NFS is running fine
On the client:
1. NFS shows some error
Quote:
service nfs restart
Shutting down NFS mountd: [FAILED]
Shutting down NFS daemon: [FAILED]
Shutting down NFS services: [FAILED]
Starting NFS services: [ OK ]
Starting NFS quotas: Cannot register service: RPC: Unable to receive; errno = Connection refused
rpc.rquotad: unable to register (RQUOTAPROG, RQUOTAVERS, udp).
[FAILED]
2. Have done the entry is hosts.allow
3. Stopped iptables
4. when i mount i get this error
Quote:
mount -v 10.252.5.34:/mtest mtest
mount: no type was given - I'll assume nfs because of the colon
mount: trying 10.252.5.34 prog 100003 vers 3 prot tcp port 2049
mount: trying 10.252.5.34 prog 100005 vers 3 prot udp port 901
mount: 10.252.5.34:/mtest failed, reason given by server: Permission denied
However i read somewhere that NFS should be running on server and not necessary on client. But this error
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Nov 7, 2008
I recieve an error related to tmp directory while i try to install something. How can i mount it without a problem?
./xxxxx.Linux.i386.rpm.bin: /tmp/xxxxx_test.sh: /bin/sh: bad
interpreter: Permission denied
./xxxxx.Linux.i386.rpm.bin: The directory '/tmp' is mounted with no execution permissions.
File: /etc/fstab
Code:
/dev/VolGroup00/LogVol00 / ext3 defaults,usrquota 1 1
LABEL=/boot /boot ext3 defaults 1 2
tmpfs /dev/shm tmpfs noexec,nosuid 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
/dev/VolGroup00/LogVol01 swap swap defaults 0 0
/swapdosya swap swap defaults 0 0
/tmp /var/tmp ext3 defaults,bind,noauto 0 0
/var/tmpMnt /tmp ext3 loop,rw,noexec,nosuid,nodev 0 0
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May 4, 2009
I'm trying to mount a western digital external hd to a fedora core server. Does anyone know what I put in the file system line in /etc/fstab? I tried tmpfs but I couldn't see the files i placed there when I moved to a new server. I also tried vfat but that wasn't compatible. It couldn't read ext3 file system. Does anyone know what else I could try?
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Jul 12, 2009
I wanted to mount a folder located on server A to server B like we do in NFS.
But i wanted to use another software as nfs isnt working
Mine is Centos 5
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Apr 10, 2009
I tried to mount second harddisk, but i faced error "mount: you must specify the filesystem type", please help, see below
Code:
[root@s ~]# fdisk -l
Disk /dev/sda: 320.0 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 38913 312464250 8e Linux LVM
Disk /dev/sdb: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 * 1 13 104391 83 Linux
/dev/sdb2 14 19457 156183930 8e Linux LVM
[root@s ~]# mkdir /mnt/hd2
mkdir: cannot create directory `/mnt/hd2': File exists
[root@s ~]# mount /dev/sdb2 /mnt/hd2
mount: you must specify the filesystem type
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Jun 6, 2009
I currently have a VPS. I have installed cPanel/WHM + CSF Firewall.
Everything is fine and all the ports are closed except for the ones I need.
I currently have some issues I need to fix, but google isn't helping
Quote:
Check /tmp is mounted as a filesystemWARNING/tmp should be mounted as a separate filesystem with the noexec,nosuid options set
I tried googling this and there was a cPanel script but I do not have permission to run it. So does anyone mind explaining it to me one step at a time?
Quote:
You should consider adding ini_set to the disable_functions in the PHP configuration as this setting allows PHP scripts to override global security and performance settings for PHP scripts. Adding ini_set can break PHP scripts and commenting out any use of ini_set in such scripts is advised
I have disabled this in php.ini but I do not know why it still says that I have to fix this
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May 9, 2009
What options or tools are available to mount your VPS from a Windows XP desktop?
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Feb 23, 2008
I have a few folders mounted, but sometimes it drops off the network when the NFS server got rebooted or what not... how do I make sure that it's automatically remounted if the folder goes blank? Is there a way to do this?
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Dec 12, 2008
I'm not good at linux. I have install cpanel on hdd 1. I added hdd 2 to server, but i can access this hdd 2. Please tell me how to mount hdd 2 for me.
I used fdisk -l and I found 2 hdd, but only sda I can access and sdb can't not.
Thank you
Code:
root@viva [~]# fdisk -l
Disk /dev/sda: 147.0 GB, 147086327808 bytes
255 heads, 63 sectors/track, 17882 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 1318 10482412+ 83 Linux
/dev/sda3 1319 2623 10482412+ 83 Linux
/dev/sda4 2624 17882 122567917+ 5 Extended
/dev/sda5 2624 2884 2096451 83 Linux
/dev/sda6 2885 3015 1052226 83 Linux
/dev/sda7 3016 3269 2040223+ 82 Linux swap / Solaris
/dev/sda8 3270 17882 117378891 83 Linux
Disk /dev/sdb: 147.0 GB, 147086327808 bytes
255 heads, 63 sectors/track, 17882 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 * 1 13 104391 83 Linux
/dev/sdb2 14 1318 10482412+ 83 Linux
/dev/sdb3 1319 2623 10482412+ 83 Linux
/dev/sdb4 2624 17882 122567917+ 5 Extended
/dev/sdb5 2624 2884 2096451 83 Linux
/dev/sdb6 2885 3015 1052226 83 Linux
/dev/sdb7 3016 3269 2040223+ 82 Linux swap / Solaris
/dev/sdb8 3270 17882 117378891 83 Linux
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Jan 29, 2008
I want to use DD to fully duplicate a HD, however, the HD is 120GB and also have a mount folder that is 2TB. If I use DD, will it also trying to copy that 2TB onto my 2nd HD?
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May 20, 2008
mount secondary H.D.D to /backup, but i have following error after run "mount /dev/sdb1 backup"
mount: unknown filesystem type 'ntfs'
How can change secondary hard disk file system to linux?
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Apr 7, 2007
I'm running centos 4.4 and i just installed another HD... seems like everytime I reboot the server, my mount is gone... This is what I have in my fstab:
mount /dev/sdb1 /drive2 defaults 1 3
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Jul 19, 2007
i failed to mount one harddrive taken from Red Hat to centos 5 server, the thing is that this drive is one of 2 drives in Raid 1
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Jan 28, 2008
Most VPS offerings have "burstable" memory allocations. I get how you can do this with most things -- letting a VPS access more CPU cycles can be done pretty easily, and a 10 Mbps line burstable to 100 Mbps makes sense.
But how does the guest OS handle all of a sudden having more memory? Since a lot of VPS guests run without modification, how does this work? Does the typical Linux system support dynamic changes in RAM? I can only imagine that dealing with "un-bursting" is even more complex: suppose I have 128MB, burst to 512, but then the host node tries to reclaim some of it. Is the system smart enough to seamlessly swap out to disk when RAM "disappears?" I'd fully expect a kernel panic when the system's RAM shrinks in size, particularly when the RAM was in use.
I'm curious about exactly how all of this is managed. Given that 95% of VPS hosts give a burstable range of RAM, what exactly manages this? Is the virtualization platform handling this and somehow "tricking" the kernel, or is the guest system able to deal with changing RAM allocations? And, if the latter, is this a standard feature of the Linux kernel, or are guest OS mods still necessary to deal with burstable RAM?
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Jul 4, 2009
I must not even understand the basics of how mounting works in Linux.
Physical drive /dev/sda1 is mounted at /
I created a software RAID array (using mdadm) out of two other drives using mdadm, at /dev/md0, and mount it at /vol:
mount /dev/md0 /vol
Code:
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 9.9G 2.2G 7.3G 23% /
/dev/md0 200G 470M 200G 1% /vol
Now I start creating files in /vol/*
Then I unmount /dev/md0
I still see the files at /vol/*. They seem to be on /dev/sda1.
So how do I use the RAID array at /dev/md0 that I tried to mount at /vol?
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Mar 29, 2009
The problem is that my hd is failed. Hoster setup new server, also installed the secondary drive but not mounted. So need advice how can i get my data off it?
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Jul 5, 2009
I must not even understand the basics of how mounting works in Linux.
Physical drive /dev/sda1 is mounted at /
I created a software RAID array (using mdadm) out of two other drives using mdadm, at /dev/md0, and mount it at /vol:
mount /dev/md0 /vol
Code:
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 9.9G 2.2G 7.3G 23% /
/dev/md0 200G 470M 200G 1% /vol
Now I start creating files in /vol/*
Then I unmount /dev/md0
I still see the files at /vol/*. They seem to be on /dev/sda1.
So how do I use the RAID array at /dev/md0 that I tried to mount at /vol?
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