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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48
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8answers
4k views

Why would I need a firewall if my server is well configured?

I admin a handful of cloud-based (VPS) servers for the company I work for. The servers are minimal ubuntu installs that run bits of LAMP stacks / inbound data collection (rsync). The data is large ...
2
votes
4answers
5k views

How can I stop a currently active DDoS attack? [duplicate]

My VPS is under a DDoS attack. I cannot access RDP, and I cannot take it offline, or access it in any way at all. What can I do? They are not trying to bruteforce, just trying to stop access to the ...
14
votes
17answers
12k views

Who is your favorite VPS Provider? [closed]

Who is your favorite virtual hosting provider? I'm looking for your thoughts on SliceHost, Dreamhost VPS, Linode, 1and1 VPS, etc and why you like the particular provider you named. Thanks!
1
vote
2answers
1k views

Linux out of memory on VPS

On my VPS (CentOS) 4GB ram (2 + 2 dynamically assigned when needed) and i have tomcat running with following options JAVA_OPTS="-Xms256m -Xmx2048m -XX:MaxPermSize=256m". Now when i try to start ...
32
votes
8answers
12k views

What is the difference between a cloud server a virtual server and a dedicated server?

What exactly is the difference between a VPS (Virtual Private Server), a Cloud Server, and a Dedicated Server? I'm having trouble finding a concise explanation that isn't littered with advertising.
17
votes
6answers
14k views

Optimize apache/php/mysql running on VPS for heavy load

Question about optimizing an apache/mysql server on a VPS with 512m of RAM. Under normal load everything runs fast, no connection lag. However when we get our heavy traffic days (50k+ visits) the ...
6
votes
3answers
16k views

How do I set up a basic mail server for the first time? [closed]

I have a site running on a VPS, now I want to be able to receive mails at info@mydomain.com. How do I need to set up the server? And how should I set up the mail client on my PC to receive those mails?...
1
vote
4answers
551 views

About to go live: virtual dedicated server or cloud?

I am about to launch my startup company, and we will be going live in a few weeks time. We have really tight budgetary constraints, since we are bootstrapping - and would prefer not to raise external ...
12
votes
2answers
14k views

Why is the chroot_local_user of vsftpd insecure?

I'm setting up on my VPS a vsftpd, and i don't want users be allowed to leave they're ftp home directory. I'm using local_user ftp, not anonymous, so I added: chroot_local_user=YES I've read in ...
1
vote
4answers
2k views

How to find out the virtualization type of an linux VPS?

Having access to an VPS, i need to know which type of virtualization it is running from the terminal. How can determine the virtualization platform that my VM is running on? (OpenVZ, Xen, KVM, etc?)
16
votes
1answer
2k views

Linux says my space is full with 2.4/50gb used

Today I ran across a problem and I'm not sure if it's a wrong configuration of my hosting provider, because I haven't changed anything about the file system. df -h says: df -h Filesystem Size Used ...
2
votes
3answers
265 views

Setting up and configuring a new VPS server

I am new to VPS servers. I have always used a shared hosting platform all my life. At the moment, we are working on a project at work thats is going to require more than just a shared hosting server, ...
0
votes
3answers
308 views

configure server to handle a lot of requests

I have a website and we bought some advertisement on neobux.com. We bought 1000 views hoping to get more users on the website. We have a VPS with 1gb ram and 1gb burstable running apache. When we ...
0
votes
1answer
508 views

nameserver problems with webmin/virtualmin [closed]

[I've also asked this in Webmasters - it seems to fall into a grey area between here and there] I'm setting up a shiny new vps with my own nameserver. Fortunately I had a spare domain that I'm using ...
26
votes
7answers
4k views

Automating server deployment

I find i am constantly settings up pretty much nearly identical servers and VPSs for a number of my clients and it can be very time consuming. Often the only thing that changes between each deployment ...
18
votes
7answers
27k views

How much VPS ram would I need to run Wordpress, Apache, SVN & MySQL?

Does anyone have a ballpark figure of how much VPS ram (without burstable) I would need to have apache with wordpress and subversion as well as the MySQL instance? Apache would host a couple of sites ...
13
votes
5answers
2k views

Renting a dedicated, but getting a VPS. How to detect? [duplicate]

When renting a dedicated server, how can one be certain than he/she is not getting a VPS or some other virtual machine variant instead of a true dedicated hardware box? Which checks can be run (...
8
votes
4answers
2k views

VPS Administration for the Absolute Beginner

I have a new site that I want to build, something that I as a programmer wish existed. While there is no way this site would ever reach StackOverflow levels of success, I do hope that it will have a ...
3
votes
2answers
3k views

Load balancing / Failover for multiple VPS's set across different datacenters

I know many variants of this question has been asked already, but I still can't find a good answer to my needs. What I want to do is setup a few (2 at minimum) VPS's to host my web apps on. I'd like ...
12
votes
2answers
1k views

Dedicated server or Cloud Hosting?

This is a Canonical Question about Cloud Hosting When deploying my application to the Internet: Should I chose a dedicated server, cloud hosting or a VPS? What factors should I consider when ...
4
votes
3answers
3k views

Java VM problem in OpenVZ

I bought a vps for hosting my java needs. But I can't run java on it. Everything about java is correctly installed but when I try to run java ("java -version" forexample) I get this error : Error ...
2
votes
1answer
914 views

How to make this multiplayer flash game publicly available? [closed]

I have made a ActionScript 3.0 Flash game and implemented multiplayer functionality using SmartFoxServer. Now I want to put this game on my website which is hosted on 000webhost. My game works ...
1
vote
2answers
3k views

How to learn/master (tutorials) for managing a VPS? - newbie VPS user [closed]

I just bought a VPS on Jaquar PC. I am web designer migrating due to high usage and the need to upgrade. While I understand DNS, MX records and various tech stuff setting up VPS was a fairly a ...
8
votes
8answers
2k views

Which virtualization platforms should I choose, Xen or OpenVZ? [closed]

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 ...
8
votes
1answer
2k views

Are vCPU the same as 1 Socket, or a single Core?

Currently I have a Hyper-v VPS with 2 (vCPU) processor. I would like to install SQL Server Express 2012 that has a limitation of 1 Socket or 4 Cores, whichever the lesser. My Question: Are vCPU's ...
5
votes
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 (...
4
votes
3answers
516 views

Choosing a Host — Reseller or VPS?

I'm developing a common-interest social networking community which is soon ready for release. I need some advice on what type of a hosting plan will best fit both my emerging website development ...
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 ...
4
votes
2answers
323 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
3answers
14k 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 ...
2
votes
1answer
714 views

How can I re-install live production server with minimal downtime?

I need to reinstall Ubuntu Server running on VMWare VPS. The simplest way would certainly be to make a fresh install from mini ISO. But it's a production server and I can't afford an hour or more of ...
1
vote
4answers
4k views

How to manage my CentOS VPS without cPanel [closed]

Just got a good VPS deal with Dual Virtual Core/CentOS/150G/1gb ram/2 IPs. But cPanel is out of my reach. As such I am new to VPS with good knowledge of cPanel shared hosting. Was using RH few years ...
5
votes
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, ...
4
votes
2answers
314 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 ...
4
votes
1answer
1k views

innodb memory usage mysql

I have a small vps, with only 256mb of ram, with maximum burst up to 512mb. When I configure my vps without innodb, it only uses 130 mb of ram, so that is no problem for me. But when I turn on innodb, ...
4
votes
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? ...
3
votes
2answers
524 views

Swap memory exhausting server even site has small visitors

I have CentOs 6.5 running on a 32bit VPS host. It is running only php-fpm, nginx, and mysql. I have a site that gets on average 20 visitors per day, but I am recently getting this message from my ...
2
votes
2answers
613 views

Is there difference if you are running 32bit Linux on low end VPS instead of 64bit in memory consumption?

Is 64bit Linux using more memory than 32bit version? I'm interested in this because I'm going to install linux to low end VPS, which has not that much memory etc., so if it is possible to save memory ...
2
votes
6answers
1k views

What is the solid Windows Server 2008 VPS hosting (preferably) in Europe? [closed]

I am looking for Windows Server 2008 VPS hosting to host a few sites/apps with special needs. I spend few hours googling but I am not satisfied with the result. I looks to me that this business is ...
2
votes
3answers
1k views

Bulk email advice

I need to send email campaigns for my site. There are services like mailchimp but I want to send my own. Do you know any good VPS providers for sending bulk emails?. What are the issues (such as ...
2
votes
1answer
205 views

Hosting: Location, location, location

What factors generally seem most important if you have issues of geography that seem relevant for providing an internet service and freedom to choose between locations. How do you evaluate them? A ...
2
votes
4answers
2k views

How do you host multiple public facing websites on a VPS?

We host about 30 websites using typical shared hosting plans using ASP.NET and SQL 2000/2005/2008. I am now wondering about hosting all of these websites using our own virtual private server. This is ...
1
vote
2answers
3k views

Some questions regarding Hostname

I just bought a new VPS hosting plan and i have a few questions. Hope someone here can clear the doubts for me. 1) Is it necessary to have a real domain for a vps hostname? I suppose i can just ...
1
vote
1answer
2k views

Benchmarking hosting providers IO with Bonnie

Ok, because of a bunch of projects I'm working on I've access to dedicated Servers on a 3 hosting providers. As an experiment and for educational purposes I decided to see if I could benchmark how ...
1
vote
4answers
322 views

Do you find using a VPS worthwhile?

I am currently on shared hosting, and have been recently looking at the idea of switching to a VPS instead. From what I have gathered, a VPS allows you more control over your server setup. But at the ...
1
vote
2answers
2k views

Best way to migrate data between two linux VPS

I need to move my site from one linux VPS to another VPS, and I just need to copy over the public_html folder and probably the databases, however it is quite large(over 20gigs) so ftp is a bad choice. ...
1
vote
1answer
618 views

Can't route back down ipsec tunnel from VPS

I am trying to establish an ipsec VPN from a Draytek router on the edge of our corporate network to a VPS on Digital Ocean. I've set up the VPN on the VPS using this script on an Ubuntu 14.04 machine. ...
1
vote
1answer
342 views

VPS solution to match cloud scalabilty and reliability

Having this architecture in mind: server 1: webserver - floating/surges of CPU load and BW consumption server 2: dbserver - floating I/O from webserver and steady/heavy I/O from batch-process server ...
3
votes
2answers
199 views

When should I consider a dedicated server instead of cloud VPS?

Currently I have a web app running where I have 9 VPS servers connected to a Load Balancer. As my web app has been getting traffic, I've been purchasing new VPSs to handle the load. Managing so many ...
3
votes
3answers
10k views

How to check login history fo remote desktop connections to my Windows Server 2008 R2

I experienced a strange event when my RD connection got disconnected from my server, and wasn't able to reconnect a couple of minutes. When I was reconnected PG admin was closed, and I didn't close ...