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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23 views

Is it possible to transfer OpenVZ VPS image to XEN platform?

I'm having a memory related issue with my vps on openvz platform and I guess that my hosting provider is overselling RAM. So, I'm thinking to move on a xen platform since ram cannot be oversold but I ...
0
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1answer
296 views

How can I download a complete image of my DO VPS to an image for a VM over SSH?

There isn't a way to download a complete image from Digital Ocean VPS hosting through their web UI. How can I download an entire image of the VPS that I can use locally on a VM or upload to another ...
0
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1answer
39 views

Fail to login to sudo user on VPS

VPS Supplier: DigitalOcean OS: Cent OS 7 Client: Mac OS X 10.10.3 bash Root I login as root and created a sudo user me. Then I configured the /etc/ssh/sshd_config as following: RSAAuthentication ...
1
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1answer
307 views

tar uses too much memory for its buffer - workaround?

I am taring and then compressing a bunch of files&directories on my Ubuntu Server VPS for a backup. It only has 1GB of RAM and 128MB of Swap (I can't add more - OVH use OpenVZ as their ...
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1answer
91 views

Increasing swap on RAM-limited VPS used for calculations [closed]

I'm using a VPS for some computationally heavy tasks but not to host a publicly-facing website. The author of the application I'm using recommends running the jar with 8GB of RAM, but adding those ...
1
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0answers
52 views

firewall on server preventing access by multiple computers on same NAT'ed ip

I am encountering a strange problem with my VPS provider and wondered if anyone here with firewall / sysadmin experience had seen anything like this. Has anyone seen a situation where a firewall or ...
1
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1answer
24 views

Exim on VPS receives emails meant for MX

Last weekend I transitioned a company website and corporate tools from an old server to a VPS which was set up beforehand on test.example.com and then moved to example.net. While the box does send ...
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3answers
133 views

HTTPS url Works - HTTP does not, broken with SSL install

I was recently just installing SSL onto my server / website. Once I finished all the steps, I went to check my website using the https://www.breakwatersurfcompany.com which worked great, however. My ...
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2answers
45 views

How to handle passwords in a script: in-memory VS on-file

I have a script that runs on a VPS in a cheap cloud provider. The scenario is: I trust my provider, but I prefer to make his life hard if he ever wants to steal my key. All the interested folders in ...
1
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1answer
65 views

MariaDb and Httpd getting killed due to memory

I have a Centos7 VPS on OVH with this settings: 1Virtual Core 1 GB Ram 10 GB Raid 10 I have running on it 3 wordpresses. One of them is still on building (0 access to public), other has very few ...
0
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1answer
66 views

(VPS Cloud) Site goes down, htacces modified, i think due to high traffic [closed]

i have a cloud vps at ovh having 8GB of ram, a 6 vCores processor and installed Parallels Plesk 12 on Ubuntu 14.04 (64 bits) I have more than 10 sites in there but only 2 have traffic From histats: ...
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0answers
40 views

Was i sold a VPS instead of Dedicated server? [duplicate]

I've been having weird inconsistencies through the server, so i've decided to look around, so dmidecode -t system outputs: Manufacturer: VMware, Inc. Product Name: VMware Virtual Platform ...
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0answers
23 views

No buffer space available : how to track

when I receive a lot of traffic on my vps, I receive the error that there is no buffer space available. I would like to track if there is a leak, for example non-cached api requests, or to see from ...
-1
votes
2answers
33 views

Host multiple CMSs at the same domain.

Currently I have a VPS hosting ownCloud. I have added a domain name to the server, so now it is (an example) example.com instead of an IP. I was wondering if (and how) I could add another CMS at the ...
0
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1answer
679 views

Telnet: Unable to connect to remove host: Connection refused (Postfix - Ubuntu 14.04 VPS)

I have installed postfix following this tutorial but when I try to telnet mail.mydomain.com 110 (995,993,143 or 25) it throws the following error: Telnet: Unable to connect to remove host: Connection ...
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votes
1answer
243 views

how to check name servers are pointing to my server IP

I have an application in node.js on a VPS(Cent OS 6.6) and I have set the port to 80. the problem I'm having is that the zone I have created in my DNS server doesn't work. I have created the name ...
2
votes
1answer
556 views

sudo: unable to create sockets: Cannot allocate memory

On a VPS run by OVH (apparently OpenVZ-based, given /proc/user_beancounters exists), with relatively few processes running, trying to sudo gives me the error in the title. Here is a sample transcript:...
0
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1answer
48 views

Unmanaged VPS Backup Technique [closed]

Is it worth backing up an un-managed VPS? The technology seems to be so stable that crashes seems not likely to happen. If so, what would be the best approach? I have read about backing up on the VPS ...
1
vote
1answer
448 views

Linking GoDaddy domaine name to OVH VPS [closed]

I'm trying to link my domain name registered at GoDaddy with my VPS from OVH (SoYouStart). I had to created an A Record to point to my IP and it works, however, it sometimes redirects me to the parked ...
0
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1answer
17 views

Load for Xen units

I'm looking for a way to check load for Xen units on a xen Node run by Solusvm. I know OpenVZ can show container load in the solusvm panel. But if I go to load in svm for the Xen Node the load page is ...
0
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4answers
898 views

Not able to SSH to Ubuntu after reboot

Today we decided that the best course of action for our Ubuntu Server (VPS) would be to restore a back-up after too many settings had be changed to our Geoserver instance. However, after restoring the ...
2
votes
1answer
469 views

netbeans can't connect, other things could

this is a conceptual question I guess, considering I already fixed the issue, but the problem is, I'm not quite sure what the issue is. I was trying to connect to a new VPS I setup, and made an ...
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2answers
54 views

How VPS Hosting Configuration compares to typical household desktop? [closed]

My hosting provider offers VPS plans starting at 0.88 GHz processor and 512 MB RAM. I am not much familiar with VPS hosting but I wonder if this configuration will be faster than a typical household ...
0
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1answer
90 views

Got blocked by server after starting TCP nodejs sever. Why?

I recently installed node on my VPS, and tried to complete a tutorial. I saved this code into server.js and hit node server.js in putty. I got instant "ban" from my VPS, I can't access it, however on ...
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1answer
328 views

Can't get iptables working in VPS - state and conntrack not possible

I've been browsing and reading documentations all night and I can't figure out any solution... I'm trying to get iptables working on my VPS (Debian 7). But I can't get established connections ...
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0answers
121 views

Kernel upgrade issue

I am trying to upgrade kernel on OnApp VM. Currently installed kernel is 2.6.32-279.22.1.el6.x86_64. The new version available is 2.6.32-504.16.2.el6.x86_64. I installed new kernel 2.6.32-504.16.2....
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votes
1answer
78 views

Basic VPS and DNS / Nameserver questions

I have this situation: my own domain example.com registered at companyA.com a cPanel/WHM hosting at companyB.com, where I have the website for example.com. a new VPS, provided by companyC.com At ...
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2answers
103 views

CPU core utilization is automatic?

I have a 512MB KVM Debian OS VPS running several game servers and several sql enabled websites. Currently I have 1 vCPU core and it stays around 15% usage. If I were to get an extra vCPU core will ...
0
votes
1answer
34 views

Process separation on an OpenBSD server

I fear this may be a somewhat open-ended question that gets closed: Apologies in advance, but I'll give it a shot! I'm considering operating an OpenBSD VM with a number of services running on the ...
1
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0answers
134 views

Is Debian Minimal a good starting point for a VPS?

When I reinstall Debian 7 Wheezy on my VPS I can choose between Minimal and Normal Debian 7 image. I tried both and found that the Minimal image does not contain, for example, the sudo command and ...
0
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1answer
95 views

Slow mongodb on ruby on rails

I have a ruby on rails application with mysql and mongodb (mongoid framework) running. I tested a load test with siege with the setting -c 60 -r 10 on one page which have 2 stationsong find queries. ...
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1answer
87 views

My VPSs CPU load hardly go beyond 0.2. Am I wasting my money on unused resources?

Currently, I have 5 VPSs running: Mail server (Zimbra) Database server (MySQL, PostgreSQL) ERP Server (OpenERP 7) Git Server (GoGits) Web Server (Apache, Nginx) with server monitoring application ...
0
votes
1answer
400 views

Access db with dynamic IP using windows Application C#

I want to connect a Desktop Application (C#) with a website which is hosted on BLUEHOST Server (Shared Hosting). I have to add an IP on server to allow for remotely access to mysql database. But the ...
0
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3answers
75 views

How to decide on VPS good defaults for PHP and Wordpress when it comes to memory?

I have (only) 512MB to spare. The only thing running on my VPS is PHP/MySQL and on top of it Wordpress. No mail server or any other application, just Wordpress and LAMP stack. How to decide how much ...
3
votes
4answers
641 views

What is a core, and will purchasing more cores for my VPS speed up page load times?

I recently purchased a premium WordPres plugin called Hide my WP. I planned on using this plugin for my nonprofit organization's website, which is a multisite WordPress installation with an SSL. ...
6
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0answers
361 views

CentOS7 firewalld no zones

I have installed firewalld on a fresh CentOS 7 minnimal installation on a VPS (weirdly enough, from what I've been searching firewalld should already be installed with system). I tried opening some ...
0
votes
1answer
48 views

Redirect with apache subdomain from oher hosting (?)

My requirement: access subdomain.example.com where example.com is a shared hosting, and subdomain is an app (schooltool) running on port 7080. I tried to configure virtualhost, but I can not set the ...
0
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1answer
278 views

What's the catch for unlimited bandwidth for VPS? [closed]

I need to choose some VPS packages, so I started to google a lot of VPS companies. Typically, a VPS package should have a limited bandwidth(or say traffic, data transfer), such as 2TB, 3TB, etc. Then ...
0
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2answers
276 views

When should I consider to add more RAM to VPS instead of CPU? [closed]

I have a VPS hosting a Wordpress site. When the traffic is too high, I usually see the CPUs are very busy and fully occupied. Therefore, I always try to add more CPU cores to the VPS. For example, 4 ...
4
votes
0answers
2k views

opendkim fail | bad RSA signature | verification failed unprotected key

I have fully manageable VPS running Ubuntu 14.04 which hosts websites for several domains. Recently I have tried to add DKIM signatures to avoid spam filters. I've followed ubuntu-postfix-dkim ...
0
votes
1answer
326 views

Website takes a long time to first byte [duplicate]

Recently, I migrated a joomla 2.5 site with K2 from a shared host to a dedicated web server with 1 GB of RAM and 8 CPU cores. My problem is now that the website loading is very slow, much slower than ...
1
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0answers
422 views

First request after a while always slow - ASP.NET MVC / IIS 8.5 / Windows Server 2012 R2 VPS

I'm hosting a low-traffic ASP.NET MVC 5 application on a VPS with Windows Server 2012 R2 / IIS 8.5, with 1 GB of RAM. My problem is that the first request after some time without any requests always ...
0
votes
1answer
279 views

Can't connect to Ubuntu VPS via SSH,SFTP

When I try to login to my VPS using SSH and SFTP it's not connect to the server. Then I power off and power on the VPS by the VPS provider control panel (digital ocean). Once it boot up, first few ...
1
vote
1answer
251 views

Is event 41 normal when VPS is shutdown in hypervisor?

I have a hosted VPS (Windows Server 2012) and shutting it down in the hypervisor causes the following critical event in the System view of the Windows logs: > Log Name: System Source: Microsoft-...
0
votes
1answer
193 views

Suhosin - Disable shell_exec default, allow from one directory

I have in php ini this function, which blocks shell_exec default. php.ini suhosin.executor.func.blacklist = shell_exec Its works well. When I want to allow shell_exec, so I use in httpd.conf ...
1
vote
4answers
400 views

How do I check if my VPS participated in a brute force or denial of service attack? [closed]

On VPS what logs do I have check and what type of information should I check for to find out if my server participated in a brute force or denial of service attack? I have the targeted IP address ...
0
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0answers
27 views

Updating Content Specific Caching NGINX + Wordpress

somewhat new to setting up a web server. I am using a VPS from digital ocean with nginx installed to host a wordpress site. I am trying to play around with content specific caching rules and am ...
0
votes
1answer
140 views

Create nameservers in Ubuntu server to host domains [closed]

I have a domain(from IndiaLinks) and a VPS server(from OVH with an IP). Consider the domain as mysite.com. Before purchasing this vps, I used to host it with shared hosting by adding the given ...
-2
votes
1answer
132 views

“-/+ buffers/cache memory” used is always 0KB

I have an OpenVZ VPS with Ubuntu server 14.04.2 and I can access to a SolusVM control panel. Recently, "memory usage" is always 0 KB, and only "vswap usage" shows real swap usage. if I run free -k i ...
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votes
1answer
60 views

Mailman install to VPS with no SSH access

I have a VPS with only FTP and HTTP access.There is no SSH acces. Is it possible to install Mailman there with what I have?Thanks.