Ubuntu Linux is a Debian derivative that aims to bring Linux mainstream. Questions on this site should generally refer to Ubuntu Server. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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Debug slow pptp connection in Ubuntu

I've unstable connection when using a VPN (pptpd), obviously it works, but sometimes is slow or not responding for a few minutes. Which log I should enable to debug the issue? e.g. due to pptpd? due ...
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3answers
69 views

Server not responding from outside the LAN

I have an Ubuntu Server 14.04 running Apache that is behind a corporate firewall. This has been working fine for the last month but now the server is not responding to requests coming from outside the ...
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1answer
9 views

Server connects without passphrase via putty but asks for passphrase from the native command line?

I am trying to connect to an EC2 instance and it has a .ppk security key. I am not an expert on server frankly and I am still try to figure things out by trail and error. I usually connect to my ...
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0answers
47 views

ubuntu firewall blocking smtp tasks, port 465 is open

I have been trying to get my Wordpress site able to send emails, and it DOES WORK but only work if I turn off the firewall. I am using UFW. However, I do have port 465 (connecting to gmail) open while ...
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0answers
58 views

Xen VM won't come up: could not find bridge device xenbr0 (configured to use routed)

I am using xen 4.4.1 on an Ubuntu 14.04 server, my DomU is running Ubuntu 14.04 Server as well. I've run this DomU in bridge-mode previously no problems. However I want to switch to a routed setup. I ...
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0answers
3 views

Routing all internet traffic through a host [migrated]

I'm Learning few networking concepts and I've several hosts created in my virtual box. I've 2 adapters created hostonly network(where vm and host machine can see each other) and NAT Network(which is ...
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0answers
23 views

Nginx status page works on one machine, but not on another

I have several servers, and I'm trying to configure an Nginx status page on each. In my nginx.conf, I have the following: http { [...] server { location /nginx_status { ...
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1answer
115 views

Install Centos 7 or Ubuntu 14.04 on HP DL160 G6

I have recently bought a couple of 2nd hand HP DL160 G6. I have configured the internal B110i in RAID 1+0 (using four SATA disks). When I tried to install either Centos 7 or Ubuntu 14.04 LTS on the ...
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0answers
81 views

One-liner to create UNIX user, add in SSH key, disable root over SSH [closed]

For many low end hosting solutions you get a virtual machine with a root SSH access. The first thing you need to do is to add new UNIX user (you), add SSH key, check SSH connection works and then ...
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1answer
63 views

Permission Denied (Publickey) from OS X to Ubuntu

I know this question has been asked more than a few times, but I can't work it out on my machine and I feel like I have tried everything. I want to log into my ubuntu machine with ssh using a public ...
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1answer
60 views

What is the minimal init.d script for Ubuntu?

I have a small Python-based server program that runs fine, but I want launched each time the server is rebooted. What is the least that I need to put into an /etc/init.d script to work? I only care ...
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0answers
73 views

Ubuntu 12.04.x and 14.04 Server Preseed Grub Install fails

I have servers with multiple disks on which I need to preseed Ubuntu Precise and Trusty server editions. I've tried googling and reading debain pages and blogs but could not get this working. I either ...
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0answers
41 views

Docker memory swap account broken in ubuntu 14.04.2

I'm using ubuntu 14.04.2 . I saw that recently swap support was broken, maybe with a recent kernel upgrade? On a fresh install: cat /etc/default/grub: ...
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0answers
33 views

Vagrant lxc container fails to start

I`m trying to set up a vagrant box with lxc container on Ubuntu 14.10. I use vagrant-lxc plugin and "fgrehm/trusty64-lxc" box. When I use vagrant up --provider=lxc console stops on ==> ...
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0answers
46 views

What is the difference between setting the environment variables in these 2 ways?

For a project I'm working on, we require nginx and lua, and we start it like this: MYVAR1=some_value MYVAR2=some_value /usr/local/openresty/nginx/sbin/nginx -p `pwd`/ -c nginx.conf And everything ...
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0answers
5 views

Installing Ubuntu Server 14.04.2 in a VMware [migrated]

Hi everyone I'm trying to install Ubuntu Server 14.04.2 in a VMware station on my iMAC which is running on an intel core i5. My question is which kernel should I install? The options are: 1) ...
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0answers
36 views

Centralized ubuntu update server

I am in the process of configuring a Central Update Server so we can better manage the security updates on our ubuntu based cloud servers. Here is my plan so far Install apt-mirror on cloud instance ...
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0answers
36 views

How can I start two unicorn services at startup?

I am running both my staging and production environments on the same DigitalOcean Ubuntu box. I have everything working so that each environment can be deployed to its own directory, run a separate ...
3
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1answer
31 views

Force a headless server to load video drivers for the GPU?

I am running a headless server on Ubuntu, with the objective of using GPU's for non graphics computation. However, I have found that without the monitor plugged in the kernel fails to load the ...
1
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1answer
33 views

removing STATS_PERSISTENT=0 for innodb

Is it okay to disable "STATS_PERSISTENT=0" from mariadb 10.0 dump, restoring to mariadb 5.5 ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin STATS_PERSISTENT=0;
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0answers
24 views

roundcube 0.9.5 - installed from Ubuntu package

If installing roundcube in Ubuntu 14.04 LTS, version 0.9.5 is downloaded. The files are copied to /var/lib/roundcube/ and /usr/share/roundcube, the database is set up. As I'm using nginx as webserver, ...
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1answer
35 views

How do I stop my domain from being redirected to my IP using apache webserver? [closed]

I have forwarded my IP using Google Domains to a specific URL. But when I access that URL it gets forwarded to my IP. Why is the url not showing up in my browsers address bar? I am running Ubuntu ...
2
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0answers
29 views

How do I make Ansible actually compile a config file having changed my debconf settings for an application?

I'm using Ansible to try to configure all of the workstations involved with a particular project to be able to use BitTorrent sync with a standard configuration (this is actually just an example of ...
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0answers
19 views

Forward multicast IPv6 packet to another interface

I'm working on implementing multicasting for contiki. I've got a couple of Ubuntu VMs on a NAT and an eth0 interface. To one of these VMs is connected a Contiki Border-router (basically a zigduino) ...
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0answers
35 views

Bus error during PHP5 is running a simple script - what?

When working with PHP scripts, I usually do not have to bother with the underlying system. Today, I have to. A PHP script (cronjob) that has worked fine is crashing since 2 days ago. The cronjob mail ...
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0answers
33 views

Webserver on linux times out outside local network

Apologies ahead of time if I mess up any terminology here; I am new to this realm. I have setup Jira (bug tracking software) on a linux box in my local network. I have a subdomain ...
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1answer
26 views

Migrate vagrant Ubuntu VM to physical machine

I am attempting to use vagrant and a puppet workflow to configure a Ubuntu production server VM which will host a web application. I want to be able to reuse this workflow to configure multiple ...
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1answer
60 views

HHVM exit after “Too many open files”

I have a small problem regarding HHVM. So i have installed HHVM on my mashine (Ubuntu 14.04) and its working without problems. Now i've made some performance tests and made a test with apache bench. ...
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0answers
72 views

upstart CentOS vs upstart Ubuntu is there any difference between them?

I'm moving some server configurations from Ubuntu Server 12.04 to CentOS 6.6. Now I'm working on /etc/init script that should be handled by upstart at both OS as far as I know. The files on both ...
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0answers
16 views

dpkg custom package name from source install

I want to be able to set a custom package name when installing a package using dpkg from source. Running this command: dpkg -i /path/to/deb/ruby-2.2.0.deb installs the package as: ruby-2.2.0 2.2.0 ...
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1answer
22 views

Postfix relays to wrong host

A recent bounced mail sent from our Ubuntu server is puzzling me. Apparently, Postfix tried to deliver a mail to ___@ofir.dk through Hotmail: Mar 15 01:47:37 flap postfix/pickup[1561]: ...
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1answer
397 views

Why can't i install mongodb 3.0 on Ubuntu 14.04 32bit?

I have followed all the official istructions listed here: official page In detail, i have done: sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10 (seems ok) echo "deb ...
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0answers
33 views

Can ping but not connect to Samba

I have installed Samba on my machine (192.168.178.50) and altered /etc/samba/smb.conf to add a share: [vs] comment = Visual Studio path = /home/mrt/Dokumente/vs/ browseable = yes read only = no ...
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0answers
48 views

Squid3 don't caching, always TCP_MISS/200

I have installed Squid3 and now I wont set it to caching WMTS's. This is valid WMTS service url http://mapy.geoportal.gov.pl/wss/service/WMTS/guest/wmts/ORTO and here is link to image from this ...
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0answers
22 views

Centralized package management of Ubuntu servers with QA

I currently manually maintain 3 Ubuntu servers, but now we're taking on another project that will have something like 25. So I'm looking into how to maintain that many servers without making ...
0
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1answer
37 views

Exim4 working fine at sending emails, except to addresses with the fully-qualified domain in them

Exim is always touch-and-go for me to configure, since I only touch it once every 4 or 5 years when I have to make email work on a new server. As a result, I'm now having a problem where all the ...
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1answer
54 views

Chroot on Ubuntu 14.04.2 using Jailkit - /dev/pts No such file or directory

For the past few days I've been trying to setup a chroot on my Ubuntu server but I've been running into an issue. I've tried several different methods of setting up a chroot on Ubuntu including just ...
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0answers
17 views

Warnings in Tiger auditing reports (process is listening on socket)

I get email logs like the ones below emailed daily from my server. I don't really know what does it mean and thinking about disabling them, but I guess this is not a good idea and it's better to learn ...
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1answer
87 views

mstsc /v /admin command in Remmina or similar rdp client in ubuntu

Sometimes we have to use this below command to use rdp to our old server 2003 domain. mstsc /v:servername /admin I have ubuntu desktop with Remmina and i can use normal RDP login for most of the ...
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0answers
23 views

Two Internet Connection one PC Router (Ubuntu Server)

We currently use the internet connection for the needs of the local network and to access local resources remotely via VPN. We want to divide both these needs by installing a new internet connection ...
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1answer
49 views

Run cron in centOS as user process, not daemon

According to this site, an easy way to set up a scheduled task in a single Docker container is to create a single crontab that runs your task, and then invoke it as the last Docker CMD with the line ...
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0answers
27 views

Ubuntu 12.04 high cpu usage

This server is ran more than 1,5 year without any problem, until yesterday. I see some wierd processes that i never seen before. But i don't know how i need to be start debugging the problem. I ...
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1answer
55 views

I have docker installed - how to edit iptables of machine?

On a machine that has docker installed, I am doing a sudo iptables -L, and get: root@dockertest:~# iptables -nvL Chain INPUT (policy ACCEPT 8364 packets, 729K bytes) pkts bytes target prot opt ...
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1answer
77 views

Ubuntu Server 14.04 TLS plus Hardware RAID

I have just completed hadrware installation of my new RAID server which will run with Ubuntu Server OS. I have installed Ubuntu Server OS and everything run seemingly without problems. However, I ...
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2answers
56 views

Identify where and how background process are started and where they comes from

First the short story: I need to migrate a server (applications, configurations and so on) and I have no clue about what is in there, no docs, people at charge just abandon and didn't leave any ...
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0answers
25 views

Linux (Ubuntu 12.04). Setup OpenSSL and osslsigncode

I'm a beginner in using Linux. I have already installed OpenSSL 1.0.1 and after installing osslsigncode I have: osslsigncode -v >osslsigncode 1.5.1, using: OpenSSL 1.0.1 14 Mar 2012 ...
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0answers
35 views

“Centralized” fail2ban only banning attacks to local host

I'm trying to run fail2ban on the rsyslog server that gathers auth logs from the rest of our servers. I'm interested on getting notifications working as a first step. My problem is that fail2ban only ...
0
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1answer
56 views

How can i fix corrupted file system in linux

I shifted my docker container to new server and i think in the process my file system got corrupted. This is the output i get root@2389374b235b:/var/local/atlassian/confluence/plugins-osgi-cache# df ...
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1answer
65 views

How to open Port 443 on External Firewall? [closed]

I've been trying to configure SSL on my server for last 4 days now, with absolutely no success. I've generated a CSR file and uploaded the certificate and configured a Vhost, but nothing seems to ...
0
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1answer
43 views

ubuntu 12.04 sssd sudo not working

This is for Ubuntu 12.04.5 LTS I am trying to implement SSSD as a client and everything works all right BUT SUDO I cannot see anything happening in the sssd_sudo.log file at all but the usual file ...