Questions related to Ubuntu Server, and server-related packages.

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linux and MSSQLServer

I have an application in Linux and a database in Windows based pc in MSSqlserver. Yet my application can not connect to sqlserver.this is while it replies as I ping the target pc which the data base ...
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1answer
73 views

Unable to find where external IP address is being blocked (nginx, nodejs, linksys router)

So while it's not ideal, I currently have a web server running Ubuntu 14.04 behind a Linksys router. On the router, I have forwarded ports 22, 80, and 435 for SSH, HTTP, and HTTPS respectively. Now, ...
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Ubuntu 15.04 server basic set-up: can't ping modem but can ping itself

this is my first time server set up and could use a hand. here are pictures of my current configuration: i am connected to sky router via an ethernet cable, here is the ifconfig output ...
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1answer
27 views

Add SSH key when only public key authentication is available?

This question is more of a general Linux or OpenSSH question than it is specific to Ubuntu but because I'm setting up an Ubuntu server, I'm asking it here. The organization I work for is built on an ...
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1answer
38 views

Setting up a cloud in my University using a D-Link switch

I have recently been given a server rack consisting of 8 machines each equiped with Ubuntu 14.04. Each machine is a CORE I7, 2TB of data storage and 16GB of Memory. Machine 1 is equiped with 2 NICs, 1 ...
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40 views

Ubuntu server 14.04.2 losing route

I have 1 ubuntu server for which I have add 1 permanent route (route add -net 142.148.10.0 gw 192.168.3.250 netmask 255.255.255.0 dev eth0). This is working fine for a while and then I cannot reach ...
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1answer
14 views

Setting up an Ubuntu Email Server

I just configured an Ubuntu 14.04 email server using Postfix and Dovecot with also setting up Squirrelmail. I'm having some issues logging into the server though. I've been at this for hours trying ...
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1answer
17 views

Changing Server to Ubuntu [closed]

I'm currently running a Windows 7 machine, which is effectively acting as a server for my network. The plan is to ditch it and put Ubuntu server on it. I have some concerns though. One of which is a ...
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1answer
28 views

NFS Shares - one IP Read/Write, rest Read-Only

I'm trying to create some NFS shares for my home network so that I can manage my NAS more easily. I'm currently using Samba for the household, but NFS is faster for me since I use Ubuntu (everyone ...
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23 views

LW_ERROR_CLOCK_SKEW [code 0x00009c97]

I have recently upgraded to Ubuntu 15.04 and was not able to sign in to my windows domain using beyondtrust, pbis 8.2.2.2993, it worked great in 14.04. I found a article on this site that said that I ...
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36 views

how to configure lamp for ubuntu server so to load example.local domain to my web server

I have installed Ubuntu server 15.04, Lamp in it and configured the dns to setup static IP by following the below tutorial. ...
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1answer
30 views

Apache2 application php session can't be killed

I have php application running on my server, which many users can login, edit and logout using web access (apache2) I am trying to kill (end) all currently opened sessions (to make all users login ...
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1answer
42 views

docker container with apache2

I installed docker with the packages docker.io and lxc. I wanted to test docker while I create an apache2 webserver. I created the container with sudo docker.io run -i -t -p :8080 ubuntu:14.10 ...
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2answers
122 views

why can not I change the permission and ownership of files in mount hard disk?

I mount a hard disk in ubuntu server with sudo mkdir /hard sudo mount -t ntfs-3g /dev/sdb1 /hard then I find that the permission is 777, and the mounted files are also 777, so I want to change the ...
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0answers
32 views

Ubuntu Server 14.04.2 LTS Local Connections refused

I have some local services running on a little server box at my home. Since a few days ago, only half of them are working though. SSH, Samba, netatalk, Plex are all running fine while I can't connect ...
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0answers
17 views

Using MSMTP with GoDaddy relay servers. Help?

Okay first of all I have done my homework and research on this. Most of the guides that I have found are for setting up MSMTP with Gmail. First let me tell you what I have done so far. My box is ...
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3answers
71 views

How to change file permissions and then revert them back

I have a Wordpress website on my Ubuntu Server, and in order to change the theme, I need to set the file permissions. As I have read, it is unwise to permanently set the permissions to write for ...
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16 views

14:04 Server: dhcpd/bind9 - (Static IP) Clients no longer have connectivity to external hosts

After following the linked guide from a fresh install of 14.04: http://blogging.dragon.org.uk/dns-with-bind9-and-dhcp-on-ubuntu-14-04/ I made an addition to /etc/dhcpd.conf so that I had a group of ...
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15 views

Squid server error: comm_open: socket failure: (13) Permission denied

I'm trying to setup a Squid server on a chrooted Ubuntu 13.10 on android. It crashes on startup with the following contents of cache.log: 2015/06/06 12:32:55 kid1| Starting Squid Cache version 3.3.8 ...
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1answer
23 views

Connect to Ubuntu Server over SSH and having root permissions

Is there a way to connect to Ubuntu Server from a desktop Ubuntu using Nautilus, and having root privileges when you connect? I need that, because I have a Wordpress website on the server, and I need ...
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1answer
15 views

Can't get to forward ports with Iptables

In my "router" machine I have the following /etc/network/interfaces: # The loopback network interface auto lo eth0 eth1 eth2 eth3 iface lo inet loopback # The primary network interface allow-hotplug ...
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2answers
26 views

nginx erreur it didn't open

please nginx in my server did start please follow me root@s45-****:/home/arabico# nmap 45.**** PORT STATE SERVICE 22/tcp open ssh 5/tcp open smtp 80/tcp open http Nmap done: 1 IP address (1 ...
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0answers
40 views

LDAP Users access Samba Share

Im trying to configure for school a network using LDAP and Samba (and integrating with Kerberos worths bonus points) and I have created a domain called ssar.local in which I created 3 Organization ...
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1answer
43 views

ubuntu isc-dhcp-server expected ip address or hostname

I recently replaced my windows server with an ubuntu one and I was setting up dhcp when I ran into this error whilst trying to add a 'reserved' client. expecting IP address or hostname Jun 6 ...
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18 views

rsyslog relp setup

I am setting up remote logging using relp. I have installed the rsyslog-relp packange on both sides. My problem is that the log packets don't appear to be arriving. I see the log receiver has port ...
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105 views

Ubuntu DNS change ERR_NAME_NOT_RESOLVED in Chrome

I've created my first ubuntu 14.04 server on digital ocean and tried to point my domain to it. Ive configured everything with help of the following tutorial to set up my apache virtual host. When i go ...
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10 views

Server Network DHCP Fail Kills Interfaces

I have a server with the current /etc/network/interfaces: auto lo iface lo inet loopback auto em1 iface em1 inet dhcp auto em1:1 iface em1:1 inet static address 192.168.168.1 netmask ...
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1answer
11 views

new virtual server, php and apache

I've just rented a virtual server ubuntu 14.04 with apache2 and php running. I know a lot of the *nix world but this is my first virtual server so I'm a bit newbie with it and with all the ...
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3answers
212 views

High System Load, Low CPU/RAM Utilization on Ubuntu 15.04

not really a system administrator here but really trying to just set up a server (a rented VDS, really) for some friends. I recently transferred basically game servers/MySQL/web sites over from one ...
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1answer
20 views

Ensure Services start on boot and perform an Security Audit

I'm quite new to Ubuntu Server (14.04) and I need to make sure Nginx/php-fpm/MySQL start up automatically on boot. Where do I need to check to make sure they are set to start on boot and how to set ...
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1answer
24 views

iptables presale me to ssh access or calling methods remotely

I have a linux openwrt unit at its start I can not make a ssh access if I do iptables -F. If I iptables -L -n -v, I find several rules that are automatically inserted and it prevents me from doing ...
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63 views

Installing PEPS in ubuntu (Digital Ocean)

In Reference to this manual, I am trying to install PEPS on ubuntu and did the following: git clone https://github.com/MLstate/PEPS cd PEPS echo mail.mydomain.com > domain sudo apt-get update sudo ...
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2answers
34 views

How to deploy Openstack HA with services inside lxcs?

I am trying to deploy Openstack in HA environment where there are 3 nodes(controllers) which have charms deployed inside lxcs but I am having difficulty in deploying the charms inside lxcs on specific ...
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1answer
65 views

Ubuntu desktop will not start with startx

My system SSD crashed and burned (literally) and I've replaced it. I've been able to make a new install of 14.04 server and then installed the stripped down ubuntu-desktop. Before the crash I had a ...
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1answer
27 views

What is the difference between Desktop and Server? [duplicate]

Hi I have been using Ubuntu 8 and Ubuntu 15 for about a month now. I wanted to know what is the point of getting a server edition. What does it mean? Thanks for the answers, Yo and yes there is to ...
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0answers
26 views

Multiple static ip's single nic

I have a server running ubuntu and two static IP addresses. I have been trying to get both IP's assigned to the same NIC. I have several services running that can be bound to an IP and I want some ...
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0answers
25 views

if secondary dns server is down ubuntu can not resolve

I am experimenting with two local DNS server. When I take down the second (or the primary) dns server, I can not resolve any domain name. Using host command or nslookup I get time out error : ...
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0answers
18 views

Mixing SSD and HDD in a ubuntu server?

Is it possible to mix SSD and HDD together in a file server? I want my configuration to be: ~ 4x60GB SSD ~ 4x2TB HDD I will install the ubuntu server into one of the SSD, can I set the partition ...
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0answers
9 views

/etc/init.d/apache2 file is being log rotated

For the last 5 weeks, I have monitored some strange behavior. Every week at logrotate process time, the init script /etc/init.d/apache2 is being rotated as if it were a log file. The first week it ...
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0answers
27 views

Mail server PAM authentication error

Few days ago, the mail server wasn't able to send any mail (only receiving), i checked the logs and found many errors "wrong authentication and buffer error" auth_pam: pam_authenticate failed: Memory ...
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0answers
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virtualization and security vis PCI DSS security

I have a couple questions about the effect of virtualization and the security of both the host and guest systems. The OS on both is Ubuntu server 14.04. I opted for use of Oracle's Virtualbox. I ...
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1answer
51 views

How can I connect my PC connected to WiFi on wlan0 to my oscilloscope on eth0?

Here is how I set up my network configuration on both devices For Linux comp: wlan0: WiFi Link set to DHCP eth0: Static IP: 192.168.1.254 Netmask: 255.255.255.0 Default Gateway IP and ...
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0answers
26 views

Failing PCI audit

I am Running Ubuntu 14.04.2 with Apache as a reverse proxy the server is fully patched and I am getting the following information when I use www.mynpcdata.net to scan the system. I have no idea if ...
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1answer
34 views

How can I configure Juju for deployment on OS X? [duplicate]

I am non-tech entrepreneur. I have developed a Rails app. I want to deploy it live. Can anyone guide me on how to use Ubuntu server + Juju on my laptop to deploy the app live on internet.
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Icecast on virtualbox ubuntu through router

I'm using icecast2 server on my virtual ubuntu machine and i want it to become available to connect by entering myIP:port, but i have router. I made port forwarding settings on my router to connect to ...
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1answer
216 views

Ubuntu 15.04 Client doesn't create xrdp desktop?

We've been having a bit of an issue, and saying that it's a bit of an issue is an understatement. Our client (Ubuntu 15.04, specs linked) has these installed, and in this order: Ubuntu-desktop ...
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22 views

Installing GUI Goes To A Screen With A Mouse

Just installed Ubuntu Then I was trying to install the gui with the command option from command prompt: sudo apt-get install ubuntu-desktop It installed but it didn't reboot by itself(I don't know ...
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26 views

Can SSH, Cannot Use Terminal Locally

I'm sure this is a rookie mistake I've made, I'm in the middle of the learning process with Linux in general. I have an Ubuntu 14.04 server that I have set up for file sharing. As part of the process ...
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0answers
15 views

Change data directory of Docker

How can I change the data directory of Docker where docker save the container (or where lxc save the container)? I have in my server a ssd and a hard drive ant I want that the container will be save ...
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0answers
9 views

EC2 istance, which should be the owner of the /var/www/* files?

This is the scenario: I spun up an EC2 instance (with LAMP), configured with sudo apt-get install lamp-server^ Now (logged as ubuntu) I simply put the only website that should be here on this server ...