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 do i know if this logs are normal, and if somenone got into my server?

last month i was logging into my server as usual and was a mess: programs not working, /home not mounting anymore etc etc Now i've downloaded all the Ubuntu server logs and i've noticed that auth is ...
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0answers
177 views

nginx E: Sub-process /usr/bin/dpkg returned an error code (1)

I'm trying to install PufferPanel (http://www.pufferpanel.com/v0.8.2/docs) and when entering the following command sudo apt-get install -y openssl curl nginx git mysql-client mysql-server ...
0
votes
1answer
43 views

Apache randomly stops at night with no errors in logs

I have a server on AWS that has been stable for years. It's running Apache 2.2.22 on Ubuntu 12.04.5 LTS. I regularly run security updates at the top of the month. Recently Apache has stopped ...
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37 views

uwsgi queue of socket message flood?

I found my website unresponsive and I see a ton of *** uWSGI listen queue of socket "0.0.0.0:5002" (fd: 3) full !!! (101/100) *** *** uWSGI listen queue of socket "0.0.0.0:5002" (fd: 3) full !!! ...
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0answers
34 views

I accidentally installed whereami on my EC2 instance (ubuntu) now I can't ssh into machine

I misunderstood what this command does I believe. I thought it just told you the hostname, but apparently it tries to make changes to your networking configuration as well. Is there anything I can do ...
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1answer
22 views

understanding web server memory usage [duplicate]

I have a PaaS hosting solution that sets up a wordpress cloud (DigitalOcean) server with wordpress, all managed by the hosting provider. I still have ssh access/ftp etc... I know that mysql runs on ...
1
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0answers
58 views

Wildfly 8.2.0 Final starup script not working Ubuntu 15.05

After installing the wildfly example debian script in $JBOSS/home, I get the following error when running service wildfly start "Failed to restart wildfly.service: Unit wildfly.service failed to ...
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0answers
12 views

ip command vs qdisc discrepancy in dropped packets

I am simulating packet loss via mininet network on Ubuntu 14.04. Why are there no dropped packets showing up in ip command? For switch s3, I have Qdisc (sudo tc -s qdisc show): qdisc htb 5: dev ...
0
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1answer
50 views

how to remove duplicate emails with scripting in Zimbra

Is there any way to delete duplicate emails from Zimbra accounts (locally hosted, licensed) with a script? I have had to export/import thousands of emails for a user, from one Zimbra server to ...
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2answers
35 views

Unkillable upstart process

So I wrote a seemingly-basic node.js server upstart script based on a script from this article, and it works fine, starting the server and running on the expected port. The problem comes when I try to ...
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0answers
46 views

Installation of Red5 failed to execute

I encounter a problem with instalation of Red5 on my VPS (Ubuntu 12.04). Doing installation over SSH with Java installed. I tried over Maven because I realized that newer versions of Red5 do not ...
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0answers
28 views

Intel Core i7-950, Supermicro X8STi not using intel_pstate driver

In my server I am using an Intel Core i7-950 on a Supermicro X8STi motherboard. While the processor is working fine it, is not using the special Intel CPU driver called intel_pstate. Even though I set ...
0
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1answer
61 views

Apache2 Server should be SSL-aware but has no certificate configured [Hint: SSLCertificateFile] for wild card SSL certificate

I am trying to configure Godaddy Wild Card Certificates on a Apache web server.I am getting the following error: [Thu Jul 23 02:32:42.499991 2015] [mpm_event:notice] [pid 12293:tid 140626762094464] ...
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0answers
73 views

E: Unable to locate package php5-apcu

trying to install APCu on Ubuntu: apt-get install php5-apcu Getting an error: E: Unable to locate package php5-apcu Following someone's suggestion I added: deb http://packages.dotdeb.org ...
3
votes
1answer
100 views

GitLab Active Directory authentication: no results and no authentication

I'm trying to set up LDAP authentication with GitLab (version 7.12.2 installed on Ubuntu 14.04 amd64 on a VM, Omnibus set up). I've edited my gitlab.rb file to look like the following: ...
0
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1answer
57 views

openssl on Ubuntu - no zlib

on my Debian machines when I enter openssl -V I see the zlib algorithm. On Ubuntu I do not have zlib support for openssl, so the SSH also not support zlib. Why is this? I tried several thing to get ...
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1answer
23 views

ethtool error for limiting interface speed

i am limiting my bandwidth using ethtool and i used this command: sudo ethtool -s eth2 speed 500 But i got error message: Cannot advertise speed 500 i tried adding duplex half ...
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0answers
12 views

How to request “do not start/enable” when installing packages on Ubuntu? [duplicate]

Start with a base system. apt-get install apache2 That results in it installing the package AND starting the service. Is there some mechanism (standard across other packages as well if possible) ...
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0answers
60 views

Ubuntu: port forwarding, trying get remote access to MySQL port 3306

i've been trying to gain remote access to MySQL on a server. I am running into problems, i cannot seem to get the port forwarded, here are some of the steps i've made: i've told MySQL to listen to ...
0
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1answer
30 views

bugzilla with apache2 on ubuntu

I have a problem with the bugzilla and restarting apache2. When i try to reload apache2 it says: The apache2 configtest failed. Not doing anything. Output of config test was: AH00526: Syntax error on ...
0
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0answers
36 views

Self-signed cert with Subject Alternative Names

I'm attempting to create a self-signed cert with SANs using OpenSSL on Ubuntu 14.10. I have been about to successfully generate a CSR that includes the proper extensions. When I generate the ...
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0answers
55 views

how to update a package in ubuntu 10.04

So I don't have much server experience so please bear with me... I working on a system with ubuntu 10.04 and have installed a program called pdftk. When I ran apt-get install pdftk, it successfully ...
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0answers
6 views

difference from default configuration in .deb

To my great surprise I have not found an easy way to view the difference between locally altered configuration files in /etc from the defaults supplied in .deb for particular package. Some day in ...
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2answers
81 views

Server migration from America to Europe

I have this kind of a situation where I have a server located in North of America, however, a majority of my clients are from Europe. So, I found a few companies which provide servers which are ...
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2answers
32 views

Setting up a shared team folder (served to the web) - Best Practices?

I'm setting up a shared server on Ubuntu 14.04 for my team to be able to upload files to be served via Apache. I'd like to give each user an SSH/SFTP login that they can use to upload files via SFTP, ...
0
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1answer
44 views

How to host staging and production on the same server [closed]

I'm new to server administration and I've recently setup my rails app on a Linode server. I followed a similar configuration to the Ryan Bates railscast on the subject. With nginx, unicorn and Ubuntu ...
0
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1answer
62 views

SFTP clients not respecting default UMASK permissions [duplicate]

Here's my situation: I'm setting up an Ubuntu 14.04 web server for a team to share. I'd like the team to have read/write access to everything inside var/www/html (same as CHMOD 775 on every file and ...
2
votes
1answer
30 views

AWS :: Ubuntu instance consistently denying my private keys

Sorry to ask this question again, as I know its been asked a crap load of times... I have been through a bunch of previous posts but have had no luck. Have tried everything... Steps: 1.) Launch ...
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2answers
75 views

KVM Virtual Server Disk Resize on Ubuntu with GParted

We have Ubuntu 14.04 server on KVM with MySQL database which is just close to fill its disk space, which is 80 GB. We have upgraded the server to 160 GB disk, but the problem is that the new disk ...
0
votes
2answers
60 views

Cannot create directory: Permission denied

I'm trying for the first time to set up GIT on a VPS following this tutorial. Part of the instructions are: cd /var mkdir repo && cd repo mkdir site.git && cd site.git git init --bare ...
1
vote
2answers
73 views

High CPU + Memory, no visitors

Current this is what I get when running top Tasks: 151 total, 2 running, 149 sleeping, 0 stopped, 0 zombie Cpu(s): 74.1%us, 1.3%sy, 0.0%ni, 43.6%id, 0.0%wa, 0.0%hi, 0.3%si, 3.6%st Mem: ...
3
votes
1answer
59 views

Server “shows signs of being infected” - how to resolve email blacklisting

I help manage 178.32.51.182 and noticed we were getting bounced emails because of several blacklists those are: CBL FABELSOURCES Spamhaus ZEN so I checked the first blacklist here: ...
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votes
1answer
27 views

How do i mount root files from recovery mode

Hey can anyone tell how to mount my root files to edit sshd_config in recovery mode? im new to linux so can you give me step by step instructions? im using ubuntu as recovery mode. to edit files in ...
0
votes
1answer
60 views

Ubuntu server close connections unexpectedly after multiple downloads

When I connected to Ubuntu server via SSH connection and run script which downloads a lot of images, its quitting ssh connection after few seconds with error: "Write failed: Broken pipe". Then I can ...
1
vote
1answer
15 views

mod_dims package for ubuntu?

I'm porting a client's site to my laptop for development and have run across an Apache module I've never seen before, mod_dims. Seems like the source has been around for a while, but I haven't found ...
0
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1answer
53 views

Stop Apache from spawning 100's of processes

Context: I have a video game client that requests a php page from the server to process user logins. This happens in a loop (terrible) and is therefore making MANY requests, per client. I plan to fix ...
0
votes
1answer
59 views

Why does my apache refuse the “Content-Security-Policy” headers?

I'm currently in the process of implementing Content-Security-Policies. But my apache refused to accept the config settings. The apache2 versions I am currently using are: 2.2.22 and 2.4.7. Neither ...
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votes
2answers
64 views

Can a virtual machine act as a business server? [closed]

I'm new to server setup and have read a bit about the basics of a business server. What I've read is about having physical server rooms with Tower/Rack/Blade servers. My question is, is a physical ...
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0answers
22 views

PSAD does not start on Ubuntu 14.04

I complied PSAD from source, compilation went smoothly however when I run this command: sudo psad --sig-update I got this: Can't load ...
0
votes
1answer
33 views

Apache Unresponsive and Fails to Restart

I have a staging server, which is run out of our office, that we use for showing websites currently in development to clients for approval, and for content input into a CMS. It is not under high load, ...
0
votes
2answers
106 views

Mysql doesn't start mysqld.sock is missing

After I rebooted my server, everything started up normally except for "mysql", i tried to start it up manually "/etc/init.d/mysql restart" or with "service mysql restart", it fails In log file it ...
0
votes
2answers
62 views

Where are LDAP user's home stored

I have been goolging around LDAP these days. And I'm trying to deploy a central authentication server for quite a few ubuntu servers. After all the research, one question come to my mind. Where are ...
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0answers
47 views

how to set up logging-files ubuntu 14.04

Im having some trouble to correctly configure my mail logs. How can i configure the following needs? I have a mail server and the log result should be 7 different files mail.sunday, mail.monday, ...
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votes
1answer
141 views

Dovecot-core fails to start

I am attempting to follow this tutorial: https://www.digitalocean.com/community/tutorials/how-to-configure-a-mail-server-using-postfix-dovecot-mysql-and-spamassassin I believe someone before me ...
0
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0answers
35 views

What is the best way to connect SAN to OpenStack servers?

There is a OpenStack setup with controller, network and two computing nodes (it will be expanded in future). We plan to deploy Ubuntu on all servers. Also we need a storage subsystem for archiving ...
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0answers
27 views

OpenVPN client on Amazon EC2 leading to SSH disconnect

I am running Ubuntu 14.04 on Amazon EC2.. I am trying to connect the EC2 instance to an OpenVPN so the traffic routes through the VPN.. When I do a sudo openvpn --config <config>.ovpn, the ...
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0answers
33 views

404 Not Found. File exists (mounted)

First off, I will update this post with any information you may need, but since I have no idea where to begin, I will try to summarize the issue. Please just ask if you want to see something. I'm ...
1
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0answers
28 views

how to divert incoming all tcp packets at eth0 to socks proxy and to eth1 of same host?

I have a three ubuntu linux hosts. host 1,host 2 and host 3. I want to pass data from host 1 to host 3 via host 2. But specifically I want to pass all incoming traffic of host 2 to socks proxy then to ...
0
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1answer
74 views

first program to run after ssh connection

I have a user 'test' and I had modified /etc/passwd file to run a certain script of my own (lets call it somescript.sh) whenever 'test' logs-in or does ssh. I later changed the '/etc/passwd' file to ...
0
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1answer
72 views

Can't log into AMI, assigning new keypairs doesn't work - how do I completely reset SSH?

Something bizarre happened to an Ubuntu EC2 instance of mine - while it used to have a keypair assigned for login that worked fine (created through the default EC2 console channels), the assigned ...