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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Ubuntu - Frozen Process's, what happens on a reboot

I have an Ubuntu LTE instance that underwent a security compromise (now fixed) We discovered a DDOS virus on the system which was promptly removed. We subsequently found that the process ...
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1answer
27 views

PATH details disapear

I installed the following on Ubuntu 14.04.1 LTS as the Ubuntu user: nvm and node strongloop git postgres Everything worked fine after the installs. I was able to use which and all paths resolved. ...
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40 views

Domain routing to incorrect domain on Digital Ocean server

I have 2 sites hosted on my LAMP droplet. The subdomain.domainX.com site is routing to domainY.io I have 4 configuration files in my /etc/apache2/sites-available: default, default-ssl.conf, ...
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0answers
26 views

ubuntu xl2tp ppp0 not properly handling the DF flag (Packet Corrupt) while sending packages > defined MTU

While trying to setup an Ubuntu Linux server as a client to an l2tp/IPSEC server, I notice inconsistencies while trying to send data. The tunnel/VPN establish the connection / handshake properly and ...
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43 views

Snort even though working properly does not report majority of rules

I have installed Snort 2.9.7.0 and it does not detect majority of attacks, such as nmap port scans, downloading exe files, opening documents containing keyword "root". I use Snort together with ...
1
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1answer
235 views

Nginx return 301 redirects all domains

I have multiple domains on my server that is running nginx setup as follow: server { listen 80; server_name domain1.com www.domain1.com; root /var/www/domain1/public_html; index ...
1
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1answer
410 views

mysql-apt-config takes a verry long time to install on Ubuntu 14.04.1

i'm trying to upgrade mysql from 5.6 to 5.7 using mysql-apt-config. i've downloaded the deb and trying to install it. but it 'hangs' on Setting up mysql-apt-config (0.3.2-1ubuntu14.04) ... and ...
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2answers
40 views

Server Snapshot Capture For Cloning [closed]

I have a situation and would love to hear your suggestions. Situation: I have a server that is hosting several important workflow applications on cloud. Changes are made to few add-ons apps on the ...
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1answer
52 views

Using Foreman to install packages

I have an Ubuntu 14.04 server running Foreman and Puppet (as the master), and some other Ubuntu 14.04 machines which are Puppet nodes. I want to use Foreman to make sure the Puppet nodes have certain ...
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0answers
31 views

Configure client for two apt-cacher servers

I have two apt-cacher-ng servers up and running, but I am wandering how best to configure my clients to use them. The primary reason for having two servers is load balancing, but we would also like ...
2
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0answers
37 views

Linux - Outgoing connections from process timeout after the process restarts

banging my head against the wall with this one... I have an Ubuntu Linux server, on top of which our own process which holds 40K persistent connections to external services. When the process ...
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0answers
21 views

AWS volume from snapshot missing data

This is a weird one. On a new ec2 instance + new data volume attached at /dev/xvdb mounted with: mkfs -t ext4 /dev/xvdb mkdir /mnt/xvdb mount -t ext4 /dev/xvdb /mnt/xvdb I take a snapshot of ...
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1answer
34 views

FTP and WWW services don't acknowledge connections

I have Lubuntu 14.04 LTS with vsftpd and the lamp stack (apache2, etc.) installed. Everything works fine on the LAN. Externally, the services don't acknowledge connection attempts. I can see packets ...
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1answer
35 views

Iptables overridden after reboot in Ubuntu server

On my Ubuntu server (installed KVM and Kimchi), I noticed that the iptables are changed after a reboot. Unfortunately I did not find out which script is responsible for these changes. I tried to ...
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1answer
39 views

Freeing space on Ubuntu does not work [duplicate]

The df command tells me I have no free space left on the root drive http://cl.ly/image/212N1F2T0t19 but I deleted a lot of files on the root and still this does not freeing up space. This is the ...
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2answers
92 views

attaching usb dongle to KVM VM

I'm struggling to connect a usb device, that gets detected correctly by the host, to a kvm vm. I have a freshly installed Ubuntu Server 14.10 as KVM/QEMU host. I set up an Ubuntu vm using this ...
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0answers
49 views

Problems with OpenLDAP-Replication

we just set up a Ubuntu Server with OpenLDAP running. We also have a second server, running Ubuntu as well. Now i tried to set up the replication using this guide: ...
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1answer
27 views

I can't create chroot user with full permissions

I am trying to create chroot user but i want to give him a permissions to create and delete files and directories. I have Ubuntu server installed on virtualbox and i am connecting to it from my host ...
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2answers
127 views

Can't add nginx latest version app repository in ubuntu 14.04

Ubuntu installs nginx 1.4.6 as default. I'm trying to install the lastest stable version of nginx (1.6.2). So here it says: you need to add Ubuntu PPA repository to get latest stable version of ...
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2answers
17 views

View File chown changes

Is there a way to view all of the times a files ownership changed? I have a feeling there is a security issue on my server, however I am also very paranoid and may have changed it myself.
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0answers
52 views

Ubuntu uses external DNS to resolve localhost

I have Ubuntu 12.04, kernel 3.13. It can take 1sec to run "dig localhost" when computer is connected to Internet. When it is disconnected it is much faster. I checked /etc/hosts, I tried disabling ...
1
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1answer
136 views

How to interpret postfix logs on Ubuntu

I just installed postfix on my server which runs Ubuntu 14.04.1 LTS. I am a little confused as to how I should interpret the postfix logs located at /var/log/mail.log. Firstly, one of the reasons I ...
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2answers
58 views

Cannot start Ubuntu: endlessly shows running Ubuntu logo

I can't start my computer anymore (nothing changed). It shows the Ubuntu-logo with the five white dots becoming red and white again, endlessly. No error, no login screen. Anybody any idea how to ...
0
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1answer
78 views

Curl version on command line is different to PHP

I've got PHP version 5.5.21-1+deb.sury.org~precise+2 running with Apache2 under Ubuntu 12.04 When I run phpinfo() it shows the curl version as 7.22.0 When I run curl --version via the command line - ...
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1answer
60 views

Ubuntu 14.04 Quotas

Im running a Virtual Server with Ubuntu 14.04 (in Microsoft Azure) on which I really need to make use of Quotas. Quotas aren't currently installed, and a bit of research suggests that this was left ...
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1answer
72 views

Allowing node.js applications to run on port 80

I'm following a walkthrough that guides you through setting up node on an ubuntu machine. I'm at the step where you configure the system to allow node to run on port 80. It (as well as a few other ...
0
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1answer
49 views

Mount LVM partition from Ubuntu LiveCD/ISO

I have an old Ubuntu server inside a Virtual Box. I migrated to a new laptop a while ago and now for whatever reason I can't remember the password nor ssh to the box. Ordinarily I'd fire up a Live CD ...
0
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1answer
41 views

Ubuntu mount-point map Windows Share gets permissions denied error

We have an EMC storage appliance that serves Windows Shares via CIFS protocol. On Ubuntu I need to create a mount-point that maps the Windows Share. When I run this shell script : sudo apt-get ...
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2answers
136 views

Apache 500 error with no entries in error.log [duplicate]

This is on a brand new Ubuntu 14.04 Server running a standard WAMP install with Apache DAV_SVN (using LDAP Authentication) added on top of it (mapped to /svn). I was able to get everything working ...
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3answers
37 views

Log which combines log files from three different servers

We have a three-server config with each server running nginx, and rails via Mongrel. Each rails installation has its own set of log files, in it's own 'log' folder, which is just a regular folder on ...
1
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1answer
173 views

Set up network interfaces in Ubuntu for KVM virtual machine

I am currently renting an Ubuntu server. On this machine I would like to run virtual machines using KVM. For some web access I have installed Kimchi, a very simple html5-based KVM management tool. ...
0
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1answer
31 views

How to use .profile alias in crontab [duplicate]

I've read the answers to this question, but still don't understand what to do: How to use my aliases in my crontab? I am logged onto my Ubuntu server as root. I have the following command in my ...
0
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1answer
37 views

How to specify exceptions from wildcard settings in a logrotate configuration file?

For my logfiles I have the problem of all but one (or a few) files use the same configuration, while the rest has another one. I tried to realize this by giving a general configuration for all files ...
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votes
2answers
57 views

Postfix - How to prevent external clients from using my server as a relay? [closed]

I have a postfix server installed on Ubuntu 14.04. A PHP script running on the machine uses it to send outgoing email. Additionally, I use postfix to receive mail sent to a local account, which is ...
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1answer
52 views

Load Balancing VPN servers (Ubuntu)

I am trying to load balance two VPN servers, that are located quite far from one another. I am using Ubuntu with pptpd, is there anyway to load balance those two servers? So user connects pptp to ...
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3answers
111 views

Caching OpenLDAP credentials for offline use on laptops

Our clients (Ubuntu 14.04) can login with there LDAP login. As soon as they have no network they cannot login with LDAP. Is there a way to cache those passwords and usernames, so that the laptops ...
0
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1answer
245 views

Apache virtual host is being ignored in Vagrant box

The issue I'm having is that when I visit http://d7.subdomain.example.org from my host machine, it takes me to the default apache It Works page. I'm on a Mac host with a Ubuntu 12.04 Vagrant box with ...
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2answers
46 views

How do I log when CPU usage is over 40% per process

I have a problem with my server. Once in a while the CPU spikes to 100% and the server crashes and then needs to be rebooted. I've tried to go through my current logs but no luck. I would like to ...
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0answers
22 views

HTTPS Push on redmine_git_hosting

This is the set up: Ruby 1.9 Rails 3.2 Redmine 2.6.1 jbox's redmine_git_hosting plugin Trying to use git repo through HTTPS. Clone works fine. Push starts and hangs at Counting objects: 3, done. ...
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1answer
66 views

What is the easiest way to block access from all countries except for one? [closed]

I have a Ubuntu 14.04 server which runs a game server and it's under heavy DDos attack right now. It's not a English-speaking community, so I don't need access from any other countries but mine. All ...
0
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1answer
44 views

Apache: Copy all mp3 files from subfolders into another folder [closed]

I have a files folder with many subfolders (MediaWiki). Some of these contain mp3 files. I want them all copied into another folder (without subfolders). How could I do that? Apache 2, Ubuntu 12
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0answers
29 views

Monit : How to get email alerts for “check program” tests

I'm having a bit of trouble configuring a test with Monit. I have M/Monit (3.2.2) configured and 5 Monit agents (5.11) running on Ubuntu server 14.04. I already have several tests (hdd, ram, cpu, ...
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1answer
126 views

Multiple IP addresses per NIC on Ubuntu Desktop 14.04 [closed]

I have read a lot of tutorial about how to add virtual IP addresses per NIC but it doesn't work for me. All tutorials that I must edit /etc/network/interfaces but when I restart the service, I always ...
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1answer
33 views

How can I test my specific port is open or blocked?

I want to run a service which require to connect with some source using port 20000 but it is not connecting. I want to test my this port is blocked or open.
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1answer
27 views

understanding htop on ubuntu machine and debugging performance bottleneck

I have the following stats when I do a htop: I don't understand although it says that I have 7450MB memory the graph goes towards the end. Why is this?
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2answers
63 views

LXC container gets 2 IP addresses

I want to have a flat configuration where the host and guest all have their own static addresses on the network. For some unknown reason however, the container is assigned 2 addresses, 192.168.0.110 ...
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0answers
70 views

Gitlab update from 7.2.0 centos(mysql) to 7.7.2 ubuntu(postgres), can't create ssh key, or new project

I had a CentOS server running gitlab 7.2.0, which uses mysql server. I updated to the omnibus version of 7.7.2 successfully porting the database from mysql to postgres using instructions found here ...
0
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1answer
208 views

Apache SSL error: Private key not found

I'm running apache on Ubuntu 14.04 and trying to implement SSL. Any help would be greatly appreciated. default-ssl.conf has: SSLCertificateFile /etc/apache2/ssl/domain.crt ...
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votes
1answer
75 views

Are these Advanced Features possible with a Bash Script on an Ubuntu Server? [closed]

I am trying to build a really flexible and useful Server Backup Bash Script. I have pretty much no experience working or building Bash scripts. I know that thousands of them exist in the wild but I ...
-1
votes
1answer
57 views

autostart rc.local 2>&1 redirect, 'open /dev/tty: No such device or address'

I'm trying to execute this command with rc.local: wget http://address/file -P /root/ 2>&1 | stdbuf -o0 awk '/[.] +[0-9][0-9]?[0-9]?%/ { print substr($0,63,3) }' | whiptail --gauge "Progress" 6 ...