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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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
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2answers
998 views

How to install APC on a vagrant box running Ubuntu 12.04 with PHP 5.4?

In my "Vagrant" file I have this line: chef.add_recipe("php::module_apc") But it gives me this error: [2013-01-11T22:14:53+00:00] INFO: Processing package[php-apc] action install (php::module_apc ...
1
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1answer
5 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 ...
21
votes
4answers
10k views

dpkg-reconfigure: unable to re-open stdin: No file or directory

I am building a provisioning script for a ubuntu vagrant vm, on a ubuntu host, both 12.10 64bit When installing the following packages: sudo apt-get -y install php5-xsl graphviz php-pear unison I ...
11
votes
4answers
3k views

Disable prompts while installing a Debian package

How can i disable totally the prompts that appear while installing a Debian package, i've used all the options that i've found but there are some packages that are still prompting. I'm using this ...
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5answers
4k views

OpenVPN won't start on ubuntu - PID not found

I am running ubuntu version 12.04 LTS and I have installed OpenVPN on it. After a while of troubleshooting why my client won't connect (I have generated keys and confligured the client), I ran ...
1
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1answer
1k views

How to make sysctl network bridge settings persist after a reboot?

I am setting up a notebook for software demo purpose. The machine has 8GB RAM, a Core i7 Intel CPU, a 128GB SSD, and runs Ubuntu 12.04 LTS 64bit. The notebook is used as a KVM host and runs a few KVM ...
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2answers
1k views

Deploying play! 2.0 application on an apache server with a reverse proxy

I'm trying to deploy my play! 2.0 application on an Ubuntu 11.10 server and I have been running into error after error and hope someone can help me here. I am try to deploy my Play! application using ...
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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 ...
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2answers
49 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. ...
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2answers
33 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 have already disabled root login via SSH, turned off password authentication, and implemented SSH keys. I wanna go one step further and only allow SSH connections to originate from within our ...
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2answers
1k views

Courier imapd: Failed to connect to socket /tmp/fam--

I am attempting to set up an email server on Ubuntu Natty based on postfix and using Courier's imap interface. Emails are received into virtual mailboxes without problem and can then be retrieved and ...
2
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2answers
1k views

Postfix - Dovecot - Can Send Emails But Wont Receive - NOQUEUE - Relay Access Denied

I have set up a mail server on ubuntu. Ive checked ports are open and I've double checked all config files, checking with every google search result I could find. Most of the similar posts have more ...
0
votes
1answer
27 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 ...
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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 ...
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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
1answer
1k views

installing zend debugger, ubuntu 12.04

I'm trying to install zend debugger in my ubuntu desktop with php 5.3 which I installed from ubuntu repositories. I have copied debugger plugin 5.3.x from zend.com to /usr/lib/php5/20090626+lfs and ...
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0answers
25 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 ...
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0answers
18 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?
2
votes
1answer
1k views

Does my small network need a domain name?

My question is simple: does a small network need a domain name or do I just leave it empty? Here is the information on what is happening: I have a small network (30+ machines) that includes windows, ...
6
votes
2answers
4k views

Git push over http (using git-http-backend) and Apache is not working

I have desperately been trying to get push for git working through the "smart-http" mode using git-http-backend. However after many hours of testing and troubleshooting, I am still left with error: ...
1
vote
1answer
22 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 ...
0
votes
1answer
30 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
2answers
81 views

Stop crontab from filling syslog Ubuntu 15.04

How can I prevent (certain cronjobs) from filling my syslog in Ubuntu 15.04? I have some jobs that run 4 times a minute and quickly fill up my syslog files. I've tried adding: cron.* ...
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0answers
19 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 ...
0
votes
1answer
1k views

Error 503 Service Unavailable Varnish

So I setup a new cloud based instance with Ubuntu 12.04, with nginx, php5-fpm and varnish. Before I installed and configured Varnish, the website worked fine, virtual hosts worked. After setting up ...
15
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 ...
2
votes
1answer
218 views

why django project failed deploying? - django + nginx + uwsgi

I am trying to deploy a Django project through Nginx and uWSGI. If I run the project manually running python manage.py runserver :8000 it works fine, so the project itself is not the problem I guess. ...
0
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0answers
121 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 ...
1
vote
2answers
2k views

VPN PPTPD with MPPE Support for Debian or Ubuntu

Having an unencrypted vpn connection from a windows client to linux is pretty easy by using pptpd. When I was looking for an solution for encrypted (per MPPE) connection, I found a lot of information ...
2
votes
1answer
2k views

node-waf nodejs failing

When trying to compile Gilt Hummingbird for NodeJS, I get this error, as node-waf is missing. rm -rf build .lock-wscript bson.node node-waf configure build make[1]: node-waf: Command not found ...
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2answers
22 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 ...
3
votes
1answer
6k views

Unable to execute gcc: No such file or directory

I am running Ubuntu LTS and I'm getting errors when trying to do some of my pip install stuff, like scrapy for example. This is the error I get: Unable to execute gcc: No such file or directory ...
2
votes
4answers
2k views

Using Rsync to backup a Windows Share

I have a Windows 7 box that I want to back up to an Ubuntu machine. I have mounted a Windows share on the Ubuntu box (using CIFS/Samba), and I want to use a cron job to rsync what's on the mounted ...
1
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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 ...
0
votes
2answers
1k views

Launching R but it can't find liblzma.so.2

I have R installed but when I try to launch it I get: ubuntu@ip-xx-250-202:/mnt/galaxyData/custom/MY_MSG_RUN$ R /mnt/galaxyData/custom/bin/lib64/R/bin/exec/R: error while loading shared libraries: ...
2
votes
3answers
2k views

Ubuntu Pound Reverse Proxy Load Balancing Based off active server load?

I have Pound installed on a loadbalancer. It seems to work okay, except that it randomly assigns the backend server to forward the request to. I've put 1 backend machine under so much load that it ...
-1
votes
1answer
28 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
51 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
1answer
12 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 ...
-1
votes
0answers
7 views

Port forwarding within network using iptables [on hold]

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 ...
4
votes
1answer
1k views

Gracefully Restarting Django Celery Instances

I'm wondering what the best way to restart Celery is without losing any tasks during the restart. I'm currently running it as a daemon using the init.d/ script provided with celery - everything is ...
2
votes
2answers
3k views

massive packet loss when servers are brought online

This is a continuation of ubuntu server, ssh, write failed: broken pipe . I'm starting a new question, because I don't believe the issue is isolated to ssh/ubuntu. I've got two brand new servers ...
1
vote
3answers
811 views

Ubuntu LTS vs regular release

I was wondering, what is the difference between the LTS (Long Term Support) and the regular versions of Ubuntu? I know, the LTS releases are supported 3 and 5 years (desktop and server), but what ...
13
votes
2answers
35k views

Linux e1000e (Intel networking driver) problems galore, where do I start?

I'm currently having a major problem with e1000e (not working at all) in Ubuntu Maverick (1.0.2-k4), after resume I'm getting a lot of stuff in dmesg: [ 9085.820197] e1000e 0000:02:00.0: PCI INT A ...
1
vote
2answers
27 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 ...
8
votes
4answers
7k views

Clearing/Deleting Docker Logs

On our docker implementation on GCE, we are running out of space on the root file system. Since images themselves are stored on a separate 1TB volume, the images themselves shouldn't be the problem. ...
1
vote
2answers
74 views

Optimize Apache for high concurrent requests

I am running a Apache2 Ubuntu server which serves the API request from mobile apps. Recently I am facing a bottleneck that when the request getting higher (more concurrent users), the request ...