0
votes
0answers
6 views

Monitor outbound SMTP Xen node

Using Xen-PV on one of our nodes, looking for some suggestions on how I can monitor anyone sending mass outbound emails. May be using Tcpdump?
2
votes
2answers
947 views

Ubuntu on VPS becomes unresponsive: BUG: soft lockup - CPU#0 stuck for 22s

We have a VPS running Ubuntu, on Xen. The problem is this, about once a day, for about 20-50 minutes, at a random time, the server becomes completely unresponsive to the outside world. After this ...
3
votes
1answer
935 views

Ubuntu 14.04 VPS won't boot the latest kernel on XEN

I have a XEN VPS and it's been running Ubuntu for some years now. AUtomatic security upgrades are on and I've manually upgraded it continously and also done releas-upgrades whenever there's been a new ...
0
votes
1answer
69 views

Can I back up my Xen-based VPS Remotely?

I have a Xen-based VPS instance of Ubuntu Server 12.04. I'd like to maintain my own offsite image of my install. The vendor does offer a variety of backup options for additional costs. I'm doing an ...
0
votes
1answer
124 views

XEN VPS Speed Limited [closed]

I am just wondering if people can help me troubleshoot something. I currently have a dedicated server with Xen SolusVM set up on it. The VPS seems to be limited on its download speed. I ran a test ...
0
votes
1answer
87 views

Setting up VPN on a VPS

I want set up a VPN in my Xen VPS with one static IP. What I should set in /etc/pptpd.conf as localip and remoteip. I followed this tutorial: ...
-1
votes
3answers
117 views

Is there any server virtualization software supports subdomains? [closed]

I installed openvz in my server but to create more virtual machines I need more than one ip address. But my service provider can only give one ip address for my server. Is there any software that ...
0
votes
1answer
162 views

Best way to move one VPS from one provider to another? [closed]

I have a VPS server (Xen based) purchased from one provider, now I want to move the server to another (kvm based) What are the best way to do so? I really don't want to re-install the whole system, ...
5
votes
7answers
3k views

Secondary IP (eth0:0) acts like main server IP

I have a CentOS server, configured with 4 consecutive IPs: eth0 5.x.x.251 eth0:0 5.x.x.252 eth0:1 5.x.x.253 eth0:2 5.x.x.254 The problem is that all traffic goes out to the internet with eth0:0 ...
2
votes
2answers
355 views

Randomly crashing Ubuntu 10.04 on multiple Xen VPS host instances

So we have Ubuntu 10.04 running - all 64 bit. Kernel 2.6.36 and 2.6.38-15 are having the same issues. Problem is random VPS servers are hanging. We have about 30 instances with this particular ...
0
votes
2answers
508 views

Why is my VPS is using 4.5GB of RAM, even if no services are running?

My VPS is using much RAM. To identify the problem I stopped literally every service, the VPS is still using 4.5GB of RAM. The VPS is running on XEN, so the RAM is not shared. This is the output of ...
2
votes
1answer
375 views

Xen server consume less memory than openvz?

I just heard that a Xen VPS will consume a lot less ram than an open VPS server and i'll have a lot of free memory to expand! Is this true?
0
votes
3answers
858 views

With Xen, when is Swap used?

I have a 512MB Xen VPS with 1024MB Swap. When I SSH into it and type "free -m", it shows I have around 50MB free memory. I had recently downgraded from a 1024MB plan because I didn't need the ...
-1
votes
1answer
87 views

Method for comparing VPS node qualities [closed]

I have 2 VPS's from the same company and both of the VPS's are on different nodes. Are there any kind of test or utility I can preform to see which one has better connection, load, etc? Is it ...
-1
votes
2answers
77 views

Is it possible to run Virtual Machines using another Virtual machine

This might sound like a stupid question but i haven't had the correct answer yet. If i have a high configuration vps from say Rackspace or any big company, then can i use Xen or any other ...
0
votes
1answer
121 views

Xen Swap File/Memory

Does anyone know if swap memory from a Xen container uses actual RAM from the node, or does it use disk space on the node?
0
votes
3answers
752 views

rm command not ask before delete

i have centos VPS created using XEN + OpenVZ virtualization. -bash-3.2# uname -a Linux host.domain.com 2.6.18-274.7.1.el5.028stab095.1xen #1 SMP Mon Oct 24 22:10:04 MSD 2011 i686 i686 i386 GNU/Linux ...
3
votes
2answers
1k views

My VPS crashed and I have no idea why

I have a VPS with Linode right now. I was alerted by my monitoring service that a site I was hosting had gone down. I used Lish, Linode's method of getting direct out-of-band access to the console ...
3
votes
1answer
236 views

Can i install Xen Hypervisor on a dedicated server that is already in use

I have a dedicated server, currently i sell shared hosting on this server... Now i want to sell VPS also on my server. Is there a way i can sell VPS? Can i use Xen Hypervisor,will it disturb my shared ...
1
vote
3answers
821 views

What's the Xen compatible VNC client for Mac OS X?

I have a VPS hosting account, and the hosting is offered by Xen, and controllable via VNC. I could connect to my machine with my iOS app, but couldn't with Finder on Mac OS X. Maybe there is an ...
26
votes
2answers
38k views

Difference between Xen PV, Xen KVM and HVM?

I know that Xen is usually better than OpenVZ as the provider cannot oversell in Xen. However, what is the difference between Xen PV, Xen KVM and HVM (I was going through this provider's specs? Which ...
1
vote
3answers
345 views

256MB VPS on XEN

I am thinking of getting a 256MB server on XEN but not sure is it capable of handling this setup: Varnish + Nginx + Eaccelerator + PHP-FM + MySQL + Mail/FTP? I've tried this setup on OpenVZ and it ...
0
votes
1answer
444 views

Xen server change from eth0 to eth1

I have a Xen server (solusvm slave) and the eth0 is broken. I switched it to eth1. The main IP now works, but the VPS IPs no longer work. How do I get them to work?
2
votes
1answer
1k views

How to check a VPS virtualization

How do I check whether my VPS is OpenVZ or XEN? (I ordered a while back and don't remember exactly which plan I ordered!). OS: Linux running ubuntu. thanks JP
1
vote
1answer
123 views

Is it possible to run VMWare Server on a Linux VPS?

I want to run a Windows Server 2003 under a Debian Linux VPS I have. Is this possible using VMware Server?
0
votes
1answer
387 views

VPS hang when one Virtual CPU usage is 100%

We are using Xen Center to manage all of our cPanel VPS servers. The hardware has two CPUs(Intel(R) Xeon(R) CPU E5410@2.33GHz) and 32GB memory. Each hardware has 4 cPanel VPS and each VPS has 8GB ...
0
votes
2answers
218 views

Is Xen virtualization similar with amazon's S3 creating an instance?

Hi is Xen virtualization similar with Amazon's S3 creating an instance? What's the difference between then and what about cloud computing? Thanks in advance!
0
votes
3answers
333 views

How to stop my VPS from picking up ARP reqs it is not supposed to?

Machine: Xen-3.0 image running stable Debian Linux 2.6.18, pretty vanilla. My VPS provider asks me to deal with some trouble my image is causing, namely handling IP addresses it is not supposed to: ...
0
votes
1answer
104 views

how important is a partition schema for xen guests?

i recently came across this post on the importance of partitions, and was impressed, but is this relevant for servers running as guests in xen? if so, how/what do i partition? Thank you
8
votes
8answers
2k views

Which virtualization platforms should I choose, Xen or OpenVZ?

I am upgrading my shared hosting to VPS hosting, mainly to just add server administration skills to my development skills, so I'm facing a lot of new choices just signing up. I need to choose a ...
3
votes
1answer
269 views

Performance Troubleshooting on a Xen VPS

I have a Xen-based virtual private server, running Ubuntu. It is running Apache, MySQL, and Drupal. Usually, it is nice and fast. However, sometimes it slows down for no apparent reason. How can I ...
10
votes
3answers
2k views

Optimizing Apache and MySQL on Linux Xen VPS

I have a Xen virtual private server (VPS) running Ubuntu 8.10, with 128M RAM. I've found several "how to optimize Apache and MySQL for low-memory VPS" pages via Google, but they provide contradictory ...