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 set exim to use outside SMTP?

I want my scripts on the server to be able to send emails, but via outside, 3rd party mail service for which I'm paying anyway. I have exim and even dovecot installed anyway, but I suppose i will need ...
1
vote
1answer
2k views

Ubuntu 12.04 glusterfs volume failed to mount at boot time

I have just setup 7 KVM guests, all running Ubuntu 12.04 LTS 64bit Minimal server to test out glusterfs 3.2.5 from the Ubuntu official repo. Two of them form a mirrored pair (i.e. replica 2), and five ...
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2answers
2k views

How to completly remove postgresql from Ubuntu 13.04

I've tried sudo apt-get purge postgresql sudo apt-get autoremove postgresql and sudo apt-get --purge remove postgresql But after this dpkg -l | grep postgres gives me that: pi postgresql-9.1 ...
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0answers
5 views

Start a process remotely on the window manager [migrated]

How do I start a process and attach it to the terminal corresponding to the local graphical shell? I'm running Lubuntu 13.04 using lightdm as my login environment. If I'm logged into the graphical ...
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0answers
35 views

3ware array limited to 6TB in linux

I have a server with a 9650SE-24M8 in it. which has a 7x2TB drive RAID5 array. tw-cli shows the following: Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy ...
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9answers
16k views

Calculate MD5 checksum of a directory

I'm looking for a quick way to compare directory contents. Is it possible to do an md5sum (or equivalent checksum) of an entire directory? Using Ubuntu Linux
2
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1answer
21 views

Ubuntu 14.04 - tc not working

I have used tc before on another servers to restrict the total bandwidth available on port 80, in order to make sure that there is enough throughput for port 22 during peak hours of the day. I need ...
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0answers
18 views

mod_pagespeed: some images don't show

My setup: Ubuntu 12.04, PHP 5.4.37, Apache 2.2, Plesk 12 I'm running Prestashop 1.6.0.9 on this machine. My problem: when I enable mod_pagespeed with the default configuration then some (not all) ...
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1answer
908 views

Changing location of ClamAV logging files

I've run into a weird problem with ClamAV that I have been unable to resolve, due to a incredibly non-informative error message. I've installed ClamAV via aptitude on an Ubuntu box (ClamAV ...
3
votes
1answer
169 views

ping: sendmsg: Operation not permitted (sometimes)

On a Ubuntu 14.04 running Haproxy, after a service haproxy reload, Haproxy is suddenly reporting all servers behind it as down. After some digging around, I noticed that ping is not working properly, ...
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0answers
22 views

Nginx + Pagespeed + varnish 3 or 4? [on hold]

I can't find any information regarding what to use? Is varnish 4 much better than 3? I can see on Google Pagespeed that it supports both 3 and 4. I have a Ubuntu 14.04 LTS, 4 core, 4 GB RAM.
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vote
1answer
3k views

proftpd initial directory for each user

After successfully setting up proftpd server, i want to add initial directory for each users, i have 2 user, webadmin that can access all folder and upload that can only access upload folder ... # ...
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1answer
820 views

.htaccess not being loaded in Ubuntu 14.04 (Apache 2.4.7)

I'm trying to use the .htaccess file in Ubuntu 14.04 (Apache 2.4.7). Here is what my .htaccess looks like # 1 YEAR <FilesMatch "\.(ico|svg|woff|eot|ttf)$"> Header set Cache-Control ...
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0answers
15 views

ZFS on Linux denied access when accessing child dataset on NFS

This is on 12.04 LTS with the latest ZFS on Linux from the ppa. I have two a storage pool named data, and a dataset data/Other with different settings (e.g. compression). I set data to sharenfs and ...
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2answers
858 views

LDAP authentication apache 2.2 error 500

This is my LDAP configuration in Apache2.2.x Order deny,allow AuthType Basic AuthName "Test" AuthBasicProvider ldap AuthLDAPURL "ldap://dc1.domain.com:389/DC=domain,DC=com?sAMAccountName" ...
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0answers
12 views

How to restore redmine on an ubuntu server after a dist-upgrade?

I just became a new admin on a server (ubuntu-server virtual machine) that host redmine on apache2 and subversion in my company. I discovered that the OS is Ubuntu Raring 13.04 that is out of date ...
2
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0answers
11 views

/etc/cron.daily/locate has blank line. File is readonly can't edit

I get this output every day. /etc/cron.daily/locate: run-parts: failed to exec /etc/cron.daily/locate: Exec format error run-parts: /etc/cron.daily/locate exited with return code 1 File contents ...
1
vote
0answers
21 views

IPTables on two interfaces - cannot see where I'm going wrong

Ubuntu 14.4 I have used iptables before without issue but am having a real struggle with them today. I have two cards eth0 and eth1. eth0 does have more than one ip so has eth0:0 and eth0:1 etc. If ...
28
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10answers
45k views

How do I get apt-get to ignore some dependencies?

How do I make apt-get ignore some dependencies? For example, I wanted to install mailx so I can use it to send email from cron scripts/report-generating tools. However, installing mailx also installs ...
0
votes
1answer
1k views

Turn off EPMD listening port (4369) in Ubuntu / RabbitMQ

I'm trying to secure an install of RabbitMQ, and am not sure how to secure the Erlang EPMD port. I only have one machine running anything, so I'd like to make it listen only on the loopback device. ...
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2answers
1k views

Reinstall MySql AND keep existing database tables and data

Please help! There are server issues and MySql is no longer running on our server (Ubuntu). The service is not recognized and needs to be reinstalled. Unfortunately, the database has not been backed ...
5
votes
1answer
998 views

Celery Daemon receives unregistered tasks

I installed Celery for my Django project following what the official tutorial / doc says. And it's working fine when I launch celery at the command line, I can see it receiving the tasks and execute ...
1
vote
1answer
20 views

Ubuntu 14.04 LTS - SSH and VNC cannot be connected infrequently / connection loss

sometimes it seems to be impossible to establish a connection to this server. Later when a connection could then be established I am not able to see any hints what was causing this behaviour. When I ...
0
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1answer
6 views

Error while running juju deploy jenkins-slave

Note: I'm running this on 3 Ubuntu trusty VM's on my OS X laptop over VMWare Fusion. I am a juju newbie and having some trouble with setting up jenkins-slave. I have a bootstrap machine, and 2 other ...
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1answer
979 views

Error in Apache: /var/run/apache2 not found

This is more self-answered question but since it drove me crazy I would like to share with the community and maybe someone can tell me why it happened or what it caused. The thing is I wanted to ...
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1answer
1k views

How do I upgrade an end-of-life Ubuntu distribution?

My do-release-upgrade fails. I get the following error message: Checking for a new Ubuntu release Your Ubuntu release is not supported anymore. For upgrade information, please visit: ...
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votes
3answers
1k views

VSFTPD does not allow upload with virtual users

I am attempting to setup VSFTPD with virtual users on a server running Ubuntu 12.04. I have configured the server to allow for virtual users to login, but I am having trouble getting it to allow ...
0
votes
1answer
22 views

How to start rpcbind automatically at boot on Ubuntu 14.04 server?

I have been unsuccessfully trying to configure my Ubuntu 14.04 server to start rpcbind on boot. RPCbind is installed and works fine if I start it manually with service rpcbind start I have added the ...
0
votes
1answer
19 views

OpenVPN client cannot connect to the server

I'm trying to configure VPN between two PCs both running Ubuntu 14.04 x64. I have created and configured OpenVPN server on one of them, OpenVPN daemon is online and I can see tun0 interface in ...
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votes
0answers
6 views

Migration of LDAP and GOsa-config to new server

I have a running LDAP-server (using Ubuntu 12.04) with GOsa installed on it. Is there a way to migrate the whole database including the GOsa-config to a new server (Ubuntu 14.04)? I tried exporting ...
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0answers
3 views

NFS4 & VirtualBox: Ubuntu 14.04 host Windows 10 Techpreview client [migrated]

I have a host OS Ubuntu 14.04 (my main OS). I run a Windows 10 client inside VirtualBox. I wish for NFS4 to work between them, I cannot see the share in my Windows 10 client. I followed the following ...
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0answers
11 views

Supersede the default Apache config on a different config file

I'm using Ubuntu with Apache 2.4. The config file for Apache is found at /etc/apache2/apache2.conf at the end of this config file it's written # Current File: /etc/apache2/apache2.conf <Directory ...
0
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1answer
28 views

Postfix / Dovecot not receiving e-mails in Ubuntu 14.04

I've just setup a VPS with Ubuntu 14.04 at Linode. I have installed Postfix, Dovecot & SquirrelMail to handle E-mail. I am able to send e-mails to other accounts (GMail & Yahoo!) but when I ...
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votes
4answers
5k views

do-release-upgrade -d Ubuntu 13.10 -> 14.04 failing

Ubuntu 13.10 64 server, after doing one upgrade from 13.04 -> 13.10 then attempting 13.10 -> 14.04. I had a transient network failure downloading package lists for 14.04 once which stopped the ...
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0answers
23 views

Error in sending mail from Postfix [on hold]

Getting below error while sending mail using relay status=bounced (host smtp.office365.com[132.245.160.44] said: 550 5.7.60 SMTP; Client does not have permissions to send as this sender (in reply to ...
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votes
0answers
18 views

Destination host is unreachable

Points to Note I am installing cloudera 4.6.0 using docker in pseudo distributed mode. I have created two docker containers. One is for hadoop and another is for flume. I linked two containers as ...
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votes
0answers
11 views

Ubuntu server won't boot, stops at initramfs

14.04.1-server-amd64 into dell server poweredge t619. But when booting it stops at initamfs. then i enter 'exit' command. then it boot and goes to login page. Why this happen ? thanks Gayan
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vote
2answers
1k views

Ubuntu Server, 2 Ethernet Devices, Same Gateway - Want to force internet traffic through 1 device (or at least allow it to work!)

I have a Ubuntu 10.04 Server with 2 ethernet devices, eth0 and eth1. eth0 has a static IP of 192.168.1.210 eth1 has a static IP if 192.168.1.211 The DHCP server (which also serves as the internet ...
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votes
0answers
20 views

How can I make the most of my non-server hardware with server software installed? [on hold]

I have a standard computer device running UBUNTU 14.04 server. I'm using it for testing but I'll need to expose my work soon enough. I have other machines laying around here - some strong, some not as ...
0
votes
1answer
947 views

MySQL port 3306 became filtered when configured with Keepalived on Ubuntu server 12.04 lts

I'm configuring two load balancer (lb01 & lb02) with keepalived for my two mysql server (db01 & db02) with standard port 3306. There is virtual ip address (192.168.205.10) to access it also ...
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votes
0answers
19 views

EC2 Ubuntu 12.04 refuses do-release-upgrade

I'm running Ubuntu 12.04 on EC2 and I want to upgrade to 14.04. do-release-upgrade returns that there are no upgrades. do-release-upgrade -d begins to work and then halts stating: Calculating the ...
-1
votes
1answer
25 views

Website hosting moved from internal to external, issues

First I would like to let you know that I've researched this problem and I have seen similar questions on other sites, but I am VERY inexperienced when it comes to things like this so I really don't ...
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votes
0answers
21 views

Internal to External hosted site [duplicate]

REPOST >> UPDATED I have recently moved a website to another host and am having problems. We have: - new.site.com - www.site.com www.site.com is the one that was recently moved, new.site.com needs ...
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0answers
14 views

OpenVPN start at boot not working on Ubuntu 14.04

I am trying do configure my Ubuntu 14.04 server, so OpenVPN will start at boot. So far, I am able to start OpenVPN server with the command: service openvpn start After I execute this command, I ...
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0answers
13 views

Client denied by server configuration, after upgrade

Yesterday, after upgrade my development machine, received this messages on intermittent mode. Client denied by server configuration. I working for years with the same configuration without problems. ...
0
votes
0answers
9 views

Install latest mysql 5.6 update (update 19 to update 22) on Ubuntu 14.04

A while ago I installed Mysql 5.6.19 via "apt-get install mysql-server-5.6" on a Ubuntu 14.04 amd64 server, now I want to upgrade this Mysql 5.6.19 to the latest stable update (5.6.22). I can't do it ...
2
votes
3answers
2k views

Cyrus IMAP: Unable to connect to remote host: Connection refused

I'm working on setting up a Cyrus 2.2 IMAP server on Ubuntu Server 9.04. If I telnet from the server itself: # telnet localhost imap I get: * OK IMAP Cyrus IMAP4 v2.2.13-Debian-2.2.13-14ubuntu3 ...
6
votes
3answers
2k views

libpam-ldap or libpam-ldapd?

I'm setting up LDAP authentication on my personal VPS, and Ubuntu has two packages for the same purpose: libpam-ldap and libpam-ldapd. Which should I use?
0
votes
2answers
616 views

adding 2nd private IP on AWS EC2 instance

I am having problems adding a 2nd IP on AWS EC2 instance. I am running Ubuntu 14.04. I already tried this: a) Right clicked the instance and added a 'private IP' from the manage Private IP. b) ...
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votes
2answers
29 views

Clean /boot on Ubuntu

When I boot my Ubuntu server, I have this warning message: => /boot is using 100.0% of 235MB And when I look into /boot, I have a lot of files which are dependent of the version of the kernel. ...