VPS is the acronym for `Virtual Private Server`. Hosting companies provide customers the ability to rent computing resources, which are used to create and run virtual machines that are controlled by the customer, but run on the hosting company's hardware. Such a VM is known as a VPS.

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Correct way to handle security threats to web server on budget [closed]

During our annual security review I was reminded of an incident earlier this year where we received a threat to our organizations web server. It was over a organization policy and threatened to DDoS ...
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3answers
6k views

Clear / Flush cached memory [duplicate]

I have a small VPS with 6GB RAM hosting a couple of websites. Recently I have noticed that my cached memory size is quite high - see below: Cpu(s): 0.1%us, 0.1%sy, 0.0%ni, 99.1%id, 0.0%wa, ...
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4answers
3k views

How can I completely delete the contents of my old VPS?

Ubuntu 9.10 | VPS I'm getting ready to stop using my old VPS host (linode) and am a little concerned about my old data remaining on the VPS. Is there a command I can run from the command-line that ...
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4answers
903 views

what is better: three small VPS or a bigger one VPS

I'm interested in deploying a django application with its database. So I would like to know what do you think what can be better in terms of performance: Three linodes 540 (720) or one linode 1440 (...
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7answers
6k 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 (...
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4answers
302 views

Do virtual private servers yield better uptime than shared hosting?

I'm running some websites on a shared hosting provider for $10/month. I've experienced a few downtimes in recent months. The tech support tell me there's nothing wrong with my site. The server ...
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2answers
2k views

How Hacker Can Access VPS CentOS 6 content? [closed]

Just want to understand. Please, correct mistakes and write advices Hacker can access to VPS: 1. Through (using) console terminal, for example, using PuTTY. To access, hacker need to know port ...
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3answers
156 views

geographic location of VPS

I purchased a VPS, but I have my suspicions the server is not in the location I requested (Amsterdam). Is there a reliable way to determine the physical location of a VPS (using it's IP address, ...
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4answers
600 views

VPS or dedicated server for a web server?

I currently have a small dedicated server at ThePlanet and I want to do an hardware upgrade. On this server I am hosting a php web application. I have done some comparaison between ThePlanet, Amazon ...
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2answers
6k 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 ...
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2answers
16k views

Nginx + php-fpm - Each php-fpm process 70-100% cpu when running

I have a situation in which the following is taking place: We are on linode with 8-core, 8gb of ram , 2.6 ghz - using nginx + php-fpm - we are getting extremely high graphs of cpu usage (which we ...
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1answer
844 views

How to point MX record to my VPS

I own a domain and I host a website on github pages. My A record points to github. I'd like to host mail on a VPS (which only has an IP address), but apparently, I cannot use an IP address as an MX ...
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3answers
564 views

How to deploy same stack+configuration to multiple server?

Currently I have 2 VPSes, setup and configured almost exactly like this, with some other minor Nginx configurations. I did it all manually I want to get few other VPSes and deploy the exact same ...
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2answers
594 views

persistent storage on Amazon EC2 and other questions

i come from the land of VPSes, and all this cloud hype confuse me. i have been reading through the amazon EC2 guide for the past 2 days, but i still have few sketchy points i'm not understanding. if ...
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3answers
2k views

ASP.NET MVC shared web hosting recommendations? (Alternatively, good Windows VPS providers?) [closed]

I am looking to deploy a small, low traffic website I've built using ASP.NET MVC that just allows it's users to fill out a form and upload a file (.doc, .docx, .pdf, .txt). The administration side of ...
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2answers
266 views

Security implications of enabling IPv6 on my VPS?

My VPS host can allocate me a small block of IPv6 addresses for nothing, and I've kind of wanted to for the sake of trying on my small website/dev VPS. My main concern is what I have to do to ...
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1answer
2k views

Direct connection between multiple clients on OpenVPN

I've spent my entire day learning about VPN, and have been working with following setup: 2 VPS Servers at the same data centre in Texas. (Texas1 and Texas2), 1 VPS in England and 1 VPS in Atlanta and ...
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2answers
1k views

Is there any way to recover files in /usr/local directory on Ubuntu?

We are running Ubuntu server on VPS. Some files were removed accidentally by placing unnecessary space this command: rm -r /usr/local <directory to be deleted> I know, that in most cases this ...
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6answers
421 views

Recommendations for Windows Server 2008 Hyper-V VPS Host?

I'm looking for a well-respected, high-performing Windows Server 2008 Hyper-V VPS host. For my linux hosting, I use a shared WebFaction account, so I'm spoiled by their incredible service and support....
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9answers
1k views

384 MB enough for a starter VPS?

I'm considering to rent a VPS with 384 MB memory. It would run on CentOS and would have cPanel with Apache 2 / MySQL and Phusion Passenger with nginx / sqlite. What do you think, will it have enough ...
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4answers
13k views

Change amount of Ram and CPU cores in KVM

How can I Change amount of Ram and CPU cores for a virtual machine in KVM that is already created? Thanks
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2answers
16k views

How to point 2 different domains to 1 IP address (Apache)?

I have two different domain names, which I want to host on the same private hosting I have. I want them to point to the same IP address and yet have different content (of course). How can I do that? ...
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2answers
312 views

The CPU and memory is limited in the Cloud, So where is the scalability?

I don't understand cloud, the CPU is limited, Memory is also limited, where is the scalability? Isn't it just the same like VPS with more expensive cost for bandwidth? So what scaling advantage is ...
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2answers
1k views

How to copy outgoing messages on sendmail

I've searched the serverfault and Google, but did not find anything related to my question yet. So, I have a customer that wants to read all emails sent by his employees. I've configured a VPS with ...
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4answers
785 views

Can a hosting provider access files inside our VPS accounts?

I'm curious how VPS accounts work. I know my shared hosting provider can look through my files since they've changed things in the past. If I purchase a VPS account, like from Linode or Slicehost for ...
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10answers
4k views

Disable IPv6 on Debian VPS (Virtuozzo!)

Note: This question is still unresolved - the answer was auto-accepted. I have a Debian Lenny VPS, that's running virtualized by Parallels/Virtuozzo. Currently, the network interface doesn't have an ...
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5answers
5k views

Running Ruby on Rails App on Apache + Passenger == to much memory

I'm running redmine (a RoR app) on my server using passenger / Apache 2.2. Passenger and ruby are using way too much memory. Is there a more memory effective way to run redmine/ruby? I only need to ...
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2answers
1k views

Making sure executable is always running?

I have a vps running Windows Server 2008 R2. I have an executable which always needs to be running. Even if I am not logged in. Say there is a problem and the server is restarted unexpectedly, I ...
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2answers
3k views

Is someone bruteforcing my password? sshd: unknown [net] and sshd: [accepted] flashing in htop

My VPS has around 3% CPU load, which is probably caused by sshd: unknown [net] and sshd: [accepted] commands appearing around once per second and quickly disappearing in htop. Does it mean somebody ...
4
votes
3answers
13k views

How should I setup DNS when all I have is a VPS with a static IP? [closed]

I have a VPS with a static IP and a domain pointed to the registrants nameservers, so I can change all of the DNS records. In past, I've always just set nameservers to my VPS/hosting provider, but I ...
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3answers
438 views

Run two separate web servers on a single VPS

A friend and I are considering paying a monthly fee for our own VPS. We currently have our own individual hosting, but it is limited and does not allow us to do things like schedule tasks and install ...
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3answers
588 views

Why do some hosts provide consoles instead of true ssh logins?

I have two OpenVZ VPSes running Ubuntu. In one, I connect with ssh console-ABC@ip-1 and see this text: Last login: Sun Sep 4 03:41:41 2011 from 82.208.149.201 Starting PowerConsole v1.1 <> (c)...
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2answers
4k views

Is nginx good for dynamic content?

I want an alternative for apache, lighthttpd has memory leaks problems so i can't go for it, i keep reading that nginx is good for static content but is it good for php-mysql dynamic video sharing ...
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3answers
5k views

Why does 'top' indicate low memory usage, whilst 'free' indicates high memory usage?

Why does 'top' indicate low memory usage, whilst 'free' indicates high memory usage? Mem: 262144k total, 225708k used, 36436k free, 47948k buffers Swap: 262136k total, 40k used, ...
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1answer
1k views

Subdomain on another host (another IP, another provider)

Let's say my main domain is domain.net and i'm using it on a Media Temple (gs) server. I have my blog on the subdomain blog.domain.net Now I want to host my blog on my new VPS from Linode. So, I ...
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3answers
3k views

Setting up domain on VPS

I recently rented a virtual private server, I have installed apache with php and everything and it works fine, but I'm not sure how to setup my domain. I have a domain at godaddy, so do i need to ...
4
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1answer
96 views

Security in shared hosting vs VPS 'virtual appliances'

I have to change my hosting provider. Right now I have a shared hosting account but I'm considering trying the LAMP stack appliance from turnkeylinux.org. I'm very comfortable with using linux, I've ...
4
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1answer
861 views

Which PHP script is overloading my VPS?

Is there a way to get the PHP script filename that is currently hammering my VPS? For example, when I view "top", I see: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 7622 itil ...
4
votes
2answers
322 views

moving from shared-hosting to VPS-hosting

I'm thinking of moving my social network from shared hosting to VPS hosting. I'm not familiar with VPS and have no experience. Will that be a problem? Thanks
4
votes
2answers
372 views

Our VPS is being used as a Warez mule [duplicate]

The company I work for runs a series of ecommerce stores on a VPS. It's a WAMP stack, 50gb storage. We use an archaic piece of ecommerce software which operates almost entirely client-side. When an ...
4
votes
2answers
650 views

Which VPS configuration would be better?

I currently have a VPS at HostingRails.com, and am rather disappointed with the service so I have been considering switching to linode instead. I have three rails applications (my live application, ...
4
votes
1answer
4k views

Setting myhostname and Mydomain in postfix for mutiple domains

I have 5 domain names currently pointing to my email server, which is running CentOS 6.5 with Postfix, Dovecot installed. Although I am now only able to receive emails but not send (for reasons I can'...
4
votes
1answer
3k views

Cloning a VPS into a local VM?

I've got a fun challenge for you all. A company I'm working with is setting up its development/release workflow and environments. The eventual production environment is a VPS hosted with a popular ...
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votes
3answers
1k views

VPS exploited for Bitcoin Mining. How to identify the flaw?

An ubuntu VPS I run to host a few basic websites seems to have had apache hacked for bitcoin mining. In my apache error.log I see the following. [Sun Dec 15 06:27:58 2013] [notice] Apache/2.2.22 (...
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2answers
2k views

How do I apply multiple subnets to a server with one NIC?

I am trying to route multiple IPs through one physical NIC on my dedicated server for use with Proxmox KVM VMs. I have a dedicated server which is currently running Debian 4.4.5-8 with 3 available ip ...
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votes
1answer
13k views

How can I tell who/what shutdown my CentOS VPS?

CentOS 5.7 VPS (running on OpenVZ) My VPS shut down this morning and I'm not sure why. I contacted my VPS host and they indicated that the server "was off". They powered it back on but I'm confused ...
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2answers
2k views

Multiple VPS with mirrored database and filesystem

I've developed interest in VPS clusters lately and it seemed like a great idea to try to set up a multi-VPS setup, which I will describe below. It isn't really meant for production use, but more as an ...
4
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1answer
7k views

What is a VPU (versus CPU)?

I know that VPU stands for Virtual Processing Unit (versus CPU), but what does that mean exactly? Is it just the new terminology for referring to processor resources in a virtual server versus a ...
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3answers
606 views

What are the options for establishing a VLAN to support database sharding and replication?

Background: I'm writing a web application that will be available to the world at large on a software-as-a-service basis. As input to my choosing a database platform, I've been reading up on 'NoSQL' ...
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2answers
484 views

is it wise to switch from VPS to EC2?

My web needs are simple. I use debian os, apache, mono+xsp+mod_mono for aspx hosting, mysql, nagios, some bash scripts for backup purposes and occasionally random libs like encryptfs which i may not ...