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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3
votes
0answers
34 views

Is there a way to know why a service is restarted and who did it?

Ubuntu 14.04 clamav 0.98.7 The problem is clamav-daemon is restarted nearly daily: Sep 1 06:30:00 x-master clamd[6778]: Pid file removed. clamd[6778]: --- Stopped at Tue Sep 1 06:30:00 2015 ...
1
vote
0answers
25 views

Fastest multiplatform way to send file over a LAN

So im setting up a single server which will connect to and receive data from potentially hundreds of slaves. Currently i see no reason for the server to send data back to the slaves, other than a ...
0
votes
1answer
19 views

Postgres /root": Permission denied

why on ubuntu 14.10 every time that i try to start the postgres on: sudo -p 'sudo password: ' -u postgres /usr/lib/postgresql/9.4/bin/initdb -D /mnt/postgresql/9.4/data show this: could not ...
0
votes
0answers
12 views

Why I have a 302 redirect after changing SSL certificate?

I have a VPS with Ubuntu Server 14.04 and I installed GitLab with different sites served by Apache2. The GitLab version is Omnibus package 7.14.1. I had successfully configured GitLab with HTTPS and ...
1
vote
1answer
27 views

What's the difference between listing nameservers in /etc/resolv.conf and /etc/network/interfaces in Ubuntu 12.04?

I am deploying Ubuntu 12.04 VM's from a template using vCenter 5.5. When I try to add nameservers using a customization specification they are added to the resolv.conf file. The VM will not use these ...
1
vote
1answer
32 views

Many failed ssh logins even with password authentication off

There are some bots trying to ssh (hundreds per day) all my servers at digital ocean. On /etc/ssh/sshd_config I´ve set: PermitRootLogin without-password PermitEmptyPasswords no ...
0
votes
1answer
12 views

Aws - Ubuntu - Cron job not running

I have a aws ec2 server with ubuntu on it. I did the following to set my cron sudo crontab -e 15,45 * * * * ubuntu /usr/bin/wget -O /dev/null https://mywebsite.com/cron/ But its not running.
-2
votes
0answers
11 views

Errno socket error [on hold]

Running Ubuntu 15 on windows 10 through vmvare. It seems it is general networking error. But I have no idea what could be triggered it or how to fix. Code: buildozer android debug Error: Traceback ...
2
votes
3answers
55 views

Scaling beyond 65k open files (TCP connections)

I have a requirement for my Ubuntu 14.04.3 LTS server to have >65k clients connected to it via TCP. Although I have memory & cpu to spare I'm unable to get more than 65k clients to connect. I ...
0
votes
2answers
20 views

Optimizing Apache + PHP 5

I have a dedicated Ubuntu box with a Plesk panel. My php files take a couple of seconds for the ttfb at random. Most requests are server lighting fast but after a couple of refreshes it waits very ...
0
votes
0answers
21 views

How to select the best parent server automatically?

I have configured a squid proxy server which has many parent servers. I have distributed the load using round-robin but I don't like it. Most of the time only one or two servers are working out of 5.I ...
1
vote
1answer
8 views

ufw port forwarding not working

I'm trying to set up an ubuntu 14.04 server as a router that also does some port forwarding. I've got the router part working but cannot for the life of me figure out why the port forwarding isn't ...
0
votes
0answers
13 views

UFW - Set correct kernel params

As every system administrator does, one of the first things i did right after booting up my web server was install ufw and tune/set kernel parameters in /etc/sysctl.conf. By the way, this is my ...
-6
votes
2answers
51 views

Potential of a server [duplicate]

I was wondering, if I use an old home machine as a server - how many connections will I be actually able to support. I was able to calculate the connection's capabilities myself as it is quite simple. ...
-3
votes
2answers
41 views

How do I block SSH connections except those originating from within a /29 block of IP's or LAN? (CentOS 7 and Ubuntu 12) [on hold]

I see thousands of failed login attempts on our servers and want to do what I can to prevent a successful one from the bad guys. I want to block anyone not originating from a /29 block we own from ...
0
votes
0answers
3 views

MAC changes back after 30 min or earlier [migrated]

I have lubuntu 14.04 system and need to change MAC for internet conncetion to work. I've done this: ifconfig eth0 down ifconfig eth0 hw ether MAC_ADRESS ifconfig eth0 up But repeatedly after 30 ...
-1
votes
0answers
4 views

Ubuntu hang up before login screen [migrated]

On my Ubuntu 14.04 x64/Win 8 dual boot system (traditional via grub), Ubuntu won't run any more... The boot process seems correct, but when the login screen is about to display (Ubuntu logo shown with ...
0
votes
0answers
20 views

apache2 service not restarting rails ubuntu

When I type: sudo /etc/init.d/apache2 restart ... or: service apache2 restart ... I get the following error: Job for apache2.service failed. See "systemctl status apache2.service" and ...
-2
votes
0answers
19 views

HTTP Tunnel like Webmin's [on hold]

Is there a program like Webmin's HTTP tunnel with a web interface? The problem with Webmin's is that JavaScript and Cookies don't work properly. Any alternatives?
0
votes
1answer
44 views

Apache and php5 fail on ubuntu server

I update a PHP 5.5.28-1+deb.sury.org~precise+1 (cli) and have apache Apache/2.2.22 but when run a restart apache2 apache2: Syntax error on line 216 of /etc/apache2/apache2.conf: Syntax error on ...
1
vote
1answer
23 views

ssh from Server to Client through PPTP tunnel

I was able to set up a small PPTP VPN with a Server and two clients. All machines run Ubuntu 14.04. The connection works great and is reliable. I can ping all machines from everywhere. Also HTTP ...
-3
votes
0answers
26 views

Choose IP on server with ubuntu installed [on hold]

I have a server which has ubuntu installed on it. The server has one IPv4 address and 99 IPv6 addresses. By default the IPv4 address is used. Link encap:Ethernet HWaddr 00:1c:42:e3:cb:33 inet ...
0
votes
0answers
124 views

(Zimbra)OpenLDAP SSHA512

So, our employees use the Zimbra OpenLDAP, however, since this doesnt include PosixAccount we cant automatically link it to our Synology. So my boss wanted me to create an OpenLDAP Database, and ...
0
votes
1answer
30 views

Netstat showing multiple connections for on ssh login

I connect to my server via ssh. I am the only person who has access to connect to the server. After connecting via ssh, I run the following command: sudo netstat -tupn The output includes the ...
16
votes
4answers
2k views

Is there a downside to installing VNC?

We have an Intel NUC in my university's language department that will soon host a web application used by faculty and students in the department. The NUC runs Ubuntu (14.10). I'm comfortable with the ...
-1
votes
1answer
29 views

How to open rails on port 80 in ubuntu [on hold]

I have rails installed on a user on my server but not on the root user. I have full access to the root user however when I attempt to run my rails server on port 80 on the user it specifies I need ...
1
vote
1answer
16 views

Installing postgres 9.4 on ubuntu with a non-default database directory

I am trying to install and set up postgres 9.4 on ubuntu 14.04. What is the best way to install postgres whilst ensuring all created tables and databases (and anything else that could potentially ...
-1
votes
0answers
22 views

Error deployment of project via deploy.sh script [on hold]

I need help. I have script for deployment my project on Ruby. #!/bin/sh if [ $# -eq 0 ]; then echo "Usage:" echo " ./deploy.sh some_stage_name" else rvm use `cat .ruby-version`@`if [ ...
2
votes
1answer
53 views

Connections Timed Out - Tomcat

I'm having a problem with Tomcat: On a clean install, connecting to [ip-address]:8080 times out. I have seen many similar questions and tried basically everything there, with no success. But here is ...
-1
votes
0answers
7 views

Port forwarding within network using iptables [closed]

I'm trying to redirect external traffic internally within my network? This is my set up: External IP- Router - Ubuntu Server (Open to all traffic -192.168.1.2) - Raspberry Pi ...
1
vote
0answers
35 views

Ping not reaching in OpenVpn clients to subnet and vice versa

I have a vpn server which is connected to vpn client having ip 10.30.0.x now. I want it to able to ping another private client connected to vpn server. Please note that other private client is private ...
1
vote
2answers
28 views

Transfer whole Linux system and grub settings to 2nd drive?

I have system partition on /dev/xvda1 (slow disk) and just added SSD attached as /dev/xvdb. How to fully transfer Linux system to /dev/xvdb and retire /dev/xvda1 without using the console? Transfer ...
1
vote
0answers
20 views

rsync crashes machine while performing sync on glusterfs mounted share

I am running ubuntu 14.04 as guest inside virtualbox 5.0.3 on OS X. While performing rsync on a glusterfs (3.7.x) mounted share with over 100.000 files, the entire machine crashes. There is one ...
0
votes
2answers
28 views

Failed to start stunnel4 on Ubuntu 15.04

I get the following error starting stunnel4 service on Ubuntu 15.04: root@scw-d91ec7:~# service stunnel4 start Job for stunnel4.service failed. See "systemctl status stunnel4.service" and "journalctl ...
0
votes
1answer
28 views

Mount NFS volume on Ubuntu Linux server from Mac OS X Yosemite client

I have an Ubuntu 14.04 LTS server (a local VM in my case). How do I mount a directory on the Linux server from a Mac OS X Yosemite client, using NFS?
0
votes
0answers
8 views

Error starting a VirtualBox instance inside an Ubuntu VirtualBox instance [migrated]

I am trying a Microservices demo that uses Vagrant to start up a VM and deploys software to the started machine. Because the demo is set up for Linux and I am using Windows (8.1 Pro), I am running ...
-1
votes
0answers
20 views

How to collect ubuntu system's versions via push model on the local network? [closed]

We use different Ubuntu versions and sometimes several OSes on the workstations. Also we can use Windows installed along side Ubuntu. Sometimes machines cannot be queried for an installed system ...
-1
votes
2answers
51 views

Create 2 DNS names for 2 domains on one static IP - Ubuntu

I have VPS Ubuntu 15.04 and there I have configured DNS for one of my external domains. This is sample of configuration at '/etc/bind/named.conf.local': zone "test.com" { type master; ...
1
vote
0answers
41 views

Certificate error while using sudo apt-get update

I tried asking this on askubuntu but haven't found an answer. I installed Ubuntu Server 32-bit 14.04 on an old machine, and I tried to run sudo apt-get update but it's followed by this error message: ...
-1
votes
1answer
13 views

zimbraAdmin monitor show server from previous installation

If I open zimbraAdmin and go to configure - servers only the current server is shown. But if I go to monitor - server status there is a server from a previous zimbra installation, and all services ...
0
votes
1answer
40 views

IBM - Kernel problems [closed]

I bought an IBM x3850 and wanted to install Ubuntu on it. Then it said, that it can not find hard drives... After some time i figured out that I need to type in the kernel parameter iommu=soft. The ...
0
votes
1answer
18 views

Puppet: Error: Could not set 'file' on ensure: getaddrinfo: Name or service not known on Ubuntu 14.04 x64

I'm trying to use Puppet to deploy a server on Ubuntu 14.04 x64. I can ping the puppet server fine, and the server is set correctly in puppet.conf. Puppet can connect to the master, send its key, I ...
0
votes
1answer
33 views

How to configure Array on DL360 GEN 8 Server Running Ubuntu

Hi all I have an DL360 GEN 8 Machine. And I need to install ubuntu server on it. However. Accourding to HP, THE Dyanamic Smart Array System is not support. Since I would love to make use of array.. ...
1
vote
3answers
71 views

SSH and security guidelines

I'm trying to set-up an ubuntu server (14.04 LTS) following some security guidelines. One of these guidelines suggests to disable root user and create a new user that works as an administrator using ...
-2
votes
0answers
13 views

How to bridge VIP interface on Ubuntu

I am running Ubuntu 14.04 on OSX guest through VB 5.0 Rooter Gateway is 192.168.0.1 Vbox0 is 192.168.56.1 Ubuntu has now 2 interfaces configured: # static iface eth0 inet static address ...
0
votes
1answer
33 views

Get all files/directories created before a certain date?

We have a samba share on an Ubuntu box that an office full of macs use. Something has happened recently and various folders now seem to have a created date of 1984 and are greyed out/inaccessible for ...
0
votes
1answer
17 views

How can I add rule to iptables on ubuntu to enable redis on local ip but not external

I've followed the various scripts to set up 2 linode machines. Both have an external and local Ip. On one I have installed redis, and I want to connect to this machine via the local ip. Which rules ...
0
votes
0answers
17 views

Iptables config for BubbleUpnpServer

SUDDENLY my bubbleupnpserver is not able to connect on the port 58050 for http and 58051 for https. Yesterday was working, no changes on the server, puff, today no working anymore. Maybe it's ...
0
votes
1answer
23 views

Server abandons set static ip and returns to dhcp given address

I have a few virtualized (ubuntu 14.04 LTS) servers under KVM that I'm trying to move to an ip block other than the one reserved for servers under dhcp (the 10.10.2.0/24 block). I change the ip and ...
0
votes
1answer
19 views

Ubuntu production server access configuration recovery options

I have a cloud based server. I followed this guide to configure its security : http://www.rubytreesoftware.com/resources/securely-setup-ubuntu-1404-server The configuration of SSH is as follows: # ...