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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1answer
63 views

BackupPC schedule advanced settings

I've just installed this great tool for network backups called BackupPC but I'm having some difficulties setting the Schedule parameters as I want. As I see it, BackupPC has some basic schedule ...
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1answer
48 views

opsworks/chef databag where to put the json file?

Hello I'm reading this howto: https://github.com/imoglobe/opsworks-cookbooks/blob/master/user/README.md but it does not mention where to put the data bag in the cookbook with the list of users in json ...
2
votes
1answer
51 views

Linux: Rebuilding software Raid 1 fails when adding partition

I had an issue yesterday with a software Raid, where one disk had to be replaced. I removed the partitions from the array using mdadm /dev/mdx -r /dev/sdbx After the failed drive has been replaced ...
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1answer
18 views

Exim4 panicking, missing /etc/vmail/<domain>/passwd file

I keep getting this error. /var/log/mail.err Jan 22 05:00:03 home exim4: ALERT: exim paniclog /var/log/exim4/paniclog has non-zero size, mail system possibly broken Checking ...
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0answers
13 views

Linux: UFW blocks connections out via certain ports, how can i find which process initiated it?

I am noticing repeating attempts on my server to connect to a certain IP, UFW logs all the details, including the source port. Is there a way to log which process is initiating this? I am concerned ...
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2answers
98 views

How to set custom $_SERVER variable for PHP

I'm working on a PHP web app which ALSO has some command line tools. I need the command line tools to detect the environment so that they connect with the correct DB credentials etc. The web app does ...
0
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1answer
41 views

NFS delays renames but not writes?

I have some (6) boxes that have an NFS share mounted on which they write files. All run ubuntu 14.01 and the NFS server is a standard nfs-server from ubuntu packages. This works well. However, when ...
1
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1answer
420 views

Forbidden You don't have permission to access /cgi-bin/mailman/

I just upgraded from Ubuntu server to 14.0.4 LTS and I can no longer access Mailman via the Web Interface. I get a 403 forbidden error (Forbidden: You don't have permission to access ...
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1answer
37 views

Zimbra get email accounts and forwarders from file backup

recently our mail server (Zimbra) had a crash and its not recoverable. We decided to move to a mail provider, and i would like to send them all the email addresses we had on our Zimbra server. The ...
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1answer
230 views

Installing Windows 2012 KVM Guest on Ubuntu 14.10 - unable to VNC into guest

I have a Ubuntu 14.10 (x64) host, and I am using KVM to setup a Windows 2012 R2 guest VM on it. I am using the virt-install command to set things up. I have setup a bridge network in ...
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0answers
46 views

Ubuntu 12.02 to 14.04, Wordpress tries to use wrong MySQL user on single post pages

I just ran an update to Ubuntu 14.04 on my web server. It went super smooth and I thought all was well, but I just noticed the inner most pages of my Wordpress site throw an unusual error. Access ...
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1answer
56 views

Ubuntu 14.04 Cloud Server - Disks gone Read Only

Disks on our cloud server with our web host went read-only this morning for no apparent reason. Following that a reboot to try and rectify the issue resulted in a non-bootable system. Our Web Host ...
2
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1answer
60 views

Recover Ubuntu after FIO command broke something [closed]

I have been working on hard drive performance and ran across this command fio --filename=/dev/sda1 --direct=1 --rw=randwrite --bs=1m --size=5G --numjobs=64 --runtime=300 --group_reporting ...
0
votes
1answer
111 views

How can I check /dev/xvda1 if the command 'touch /forcefsck' doesn't work?

On login to EC2 (Ubuntu) instance, I see *** /dev/xvda1 should be checked for errors *** I can't fsck /dev/xvda1 because it is mounted, and sudo umount /dev/xvda1 fails because it is in use. So I ...
2
votes
1answer
31 views

Is /usr being touched before /etc/fstab-specified volumes get mounted?

I have extracted /usr to a LVM volume that gets mounted by /etc/fstab on an Ubuntu 12.04 box. Basically I ran out of space on / mountpoint and LVM wasn't installed when I got the box, so /dev/sda1 is ...
1
vote
1answer
78 views

Git clone over SSH access denied only from specific server

I have an Ubuntu 12.04 server inside my office network that is being used to host our git repos. The server is running Gitlab 7.1.1, and has SSH on a non-standard port. It works perfectly for ...
3
votes
1answer
41 views

Is it possible to install MySQL extensions on Amazon RDS?

We are about to migrate our existing system from local MySQL instances on the same EC2 to a proper remote Amazon-RDS. Unfortunately there is a functionality called Median that MySQL is missing. Our ...
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0answers
20 views

Python in the debian-installer context

My broader question is about using Ansible to perform the late_command in a preseeded Debian/Ubuntu install. The specific question is, is there some straightforward or documented way to get a working ...
2
votes
1answer
34 views

Different server response time for 2 web pages with the same view and template?

I've recently been facing hugely increased server response time for some of my web pages (response time in the range of 10-20 seconds). For example, for the page http://www.edmhunters.com/afrojack/ - ...
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0answers
87 views

Ubuntu 14.04: tomcat7 permission denied

I have been running a tomcat7 application on my Ubuntu machine and everything worked fine. Since some time, probably after a system update, I'm getting strange permission denied errors and I'm quite ...
0
votes
2answers
35 views

Get postfix to send emails to the mail server

I have 2 servers. One is a fully configured mail server that receives emails from any sender. I also have my web server that has apps like logwatch and tripwire installed and they all installed ...
1
vote
1answer
124 views

Promiscuous mode in KVM

I have cloud system based on Openstack Icehouse-version. Now I want to test newer version of Openstack (Juno) inside my existing cloud. All hosts and guests use Ubuntu 14.04 as their OS. KVM is ...
0
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1answer
13 views

ubuntu upstart never killing my process

I have a simple bash script: echo "Starting" function sigint { echo "sigint" } function sigterm { echo "sigterm" } trap sigterm SIGTERM trap sigint SIGINT while true do sleep 2 echo "-" ...
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1answer
58 views

Rebooted and now apache2 is listening on port 80 after startup but not responding to requests

Ran sudo apt-get update sudo apt-get upgrade Everything was fine. Rebooted. Web server was down. IP not responding to requests on port 80 sudo apachectl start says: (98)Address already in ...
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2answers
67 views

Ubuntu 14.04, setup server IP for datacenter, IPMI

i'm going to build a server and send it to a datacenter. I got this from the datacenter. They told me to setup the server with it. VLAN: 256 IPv4: 79.133.49.168/29 IPv6: 2a01:07e0:0000:0256::/64 ...
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0answers
14 views

Apache2 on ubuntu 12.04 looks in wrong DirectoryRoot

I'm using Ubuntu 12.04 with apache2(2.2) currently. I have set up 2 name based virtual hosts on my machine. I have added the NameVirtualHost 192.168.0.3:80 (my server ip) to the end of ...
0
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1answer
44 views

Setup a secondary SSH/SFTP user with limited directory access

I am trying to create a new secondary user that has access to SFTP files and SSH access to a specific directory. I have the SFTP work, but when I try to login via SSH, I get the following error: ...
1
vote
1answer
61 views

Postfix: Forward all locally-delivered email to an external address

I have a server that is meant to deliver emails from PHP but not receive any emails. My domain MX records point to a different mail service and I have Postfix configured to not handle any FQDN emails. ...
0
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1answer
20 views

No-Listing policy with postfix (ubuntu)

I'm running an experiment on a virtual machine. In the virtual machine I've installed ubuntu and Postfix as a mail server. I followed the guide: https://help.ubuntu.com/community/Postfix , only the ...
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0answers
128 views

Jenkins publish over ssh success to connect the server but failed put file

I have a problem that when I do build to my job, its cannot put my file on the server directory in console output i get the message "ERROR: Exception when publishing, exception message [Permission ...
2
votes
1answer
55 views

fail2ban did not ban anything, regardless of the settings

this is the first time that i did not find a solution here. so, hopefully it can be solved. i've installed a fresh, new ubuntu minimal system (14.04) with ssh on it. Right after that i installed ...
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votes
2answers
48 views

How to start mysql automatically if that stop for any reason? [closed]

I have a digitalocean ubuntu vps for development use only, But sometimes the mysql server stop working. As per my investigation I don't have enough memory to handle few laravel installation. As I use ...
0
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1answer
37 views

Can i use 2 heartbeat cluster in the same network

I'm playing with HeartBeat. I'm trying to create 2 clusters with 2 nodes each in the same network. ldap1 (192.168.3.1) <-> ldap2 (192.168.3.2) www1 (192.168.3.3) <-> www2 (192.168.3.4) With ...
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0answers
44 views

Docker non-root secure?

If I set up a Docker container on an Ubuntu server, and then let it run arbitrary/untrusted code like uploaded PHP, Python etc. as a NON-ROOT user. Is this totally contained and secure by ...
1
vote
2answers
23 views

Fail2ban maxretry meaning

I'm reading the following page to set up fail2ban on my Ubuntu server: https://help.ubuntu.com/community/Fail2ban In the "Configuration" section, it shows the following settings: [DEFAULT] # ...
0
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1answer
84 views

Postfix not sending authentication when relaying to local smtp server

I have been trying to get my postfix server to relay all of my message to a local SMTP server. As far as I can tell I have everything set up right, but I get a 550 Authentication error. My local SMTP ...
0
votes
1answer
185 views

Postfix - SMTP mail delivery failed with “Connection timed out” error

I have installed postfix mail server in Ubuntu machine. I am facing some issues with the mail sending to other domain mail servers (Google, Yahoo, Outlook...). I am using virtual domain to send the ...
0
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0answers
71 views

Corrupt qcow2 files on Ubuntu/CMAN/Pacemaker/OCFS2 Cluster

I configured a 2-node cluster based on Ubuntu 12.04 LTS. The 2 servers are connected through Fibre Channel(HP 82E 8Gb 2-port PCIe Fibre Channel HBA) to a HP MSA 2040 SAN. Server 1 is a HP DL380 G6. ...
2
votes
1answer
53 views

Is default Apache version in Ubuntu 14.04 secure?

I have installed apache on ubuntu server 14.04 using apt-get. I set up a simple site, uploaded a few pictures etc, the website is working. I've decided to take a look at security of the thing using ...
0
votes
1answer
80 views

Strange entry in open file list on Ubuntu server

On my Ubuntu server I occasionally run the following command to view any open files that are TCP connections from my server: lsof -uroot | grep 104.236.XX.XXX The last time I ran it, I saw this as ...
0
votes
1answer
463 views

Ubuntu raring apt-get update is failing on AWS/EC2?

I'm working with a StarCluster AMI, and trying to install my software onto it. However, I'm having trouble with apt-get. I try to install a package: (! 141)-> sudo apt-get install ...
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0answers
60 views

Install logstash using the Deb file

I have installed Java 7 and Java 8 on my machine and java -version returns the correct version when I change the environment variables. When I go to install Logstash using the deb I receive the follow ...
1
vote
1answer
47 views

Apache2 logs missing in ubuntu 12.04

My Ec2 instance configured with apache2 was running fine and all of a sudden web-server stopped serving pages. I checked all the logs but it didn't help or may i am missing something here. Below are ...
0
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1answer
52 views

Capturing LDAPS traffic with tcpdump

I have an app server that authenticates against Active Directory using LDAPS. I am connecting to the AD server over port 636. I'm trying to troubleshoot/debug some performance issues and am beginning ...
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0answers
108 views

Ubuntu apt mirror repository with debian-installer

I am trying to make a mirror of the ubuntu 14.04 repository that includes all the files necessary to be able to be used as a source repository during Ubuntu 14.04 server installation. I had my ...
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2answers
45 views

Configuring PAM with Augeas

I am attempting to use Augeas to configure the files in my /etc/pam.d directory in a default Ubuntu 14.04 install. My goal is to find all nodes that have an argument of either 'nullok' or ...
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0answers
40 views

rsyslog: facilities not separating

I will preface this with, I am a Linux newbie. I had set up a Debian Linux rsyslog server that was working, but I had to switch to Ubuntu. I was hoping that I would be able to just copy the parts of ...
1
vote
1answer
43 views

Restarting OpenVPN server causes connected clients to stall

I have a small OpenVPN based network tying together a bunch of VPS's and I noticed that when I add a new client and restart the OpenVPN server to expose the IP address of the new client, the already ...
0
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1answer
51 views

Catch all emails and pipe them all to a script with postfix

I realize this question was asked and answer before. Here's what I have done. Created a catchall address and user. Here is my /etc/postfix/virtual file. @example.com catchall Added it to main.cf. ...
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0answers
87 views

Why is this nginx www redirect not working?

I'm having trouble with www redirects on an nginx server. The server is running 2 sites: example.com and blog.example.com. Server config: nginx/1.4.6 (Ubuntu) Ubuntu 14.04.1 LTS Relevant DNS ...