Ubuntu 14.04, named "Trusty Tahr" is a Long Term Support release of Ubuntu Linux (released in April 2014). Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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Getting a file lock in Ubuntu Server

I have a folder in Ubuntu Server, where users from different client machines (also Ubuntu) can edit the files (via FileZilla, but any other will do). However, when one user is editing one file, this ...
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0answers
20 views

New Apache 2.4 MPM-Event server: (22) Invalid argument: ap_queue_pop failed

After ordering and setting up a new web server (64bit, 4 vCores, 6GB RAM, Ubuntu 14.04) with Apache 2.4.7 (and PHP7 fpm) with worker but during busier traffic hours Apache crashes. The error log is ...
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2answers
26 views

Not able to ssh login to my aws ubuntu server [on hold]

I did something stupid today and I'm left wondering what to do! I have an ubuntu ec2 machine and I wanted to mount an ebs volume to the /home directory of the instance. I did that and provided an ...
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5answers
2k views

Why is response time exploding when request frequency drops?

Correction: response time (%D) is μs not ms! 1 This doesn't change anything about the weirdness of this pattern but it means that it is practically way less devastating. Why is response time ...
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0answers
7 views

Attempting to purge mysql* with apt-get, unable to do so without interaction

I'm attempting to purge MySQL completely from Ubuntu 14.04 non-interactively but can't get past a dialog that requires me to say Yes/No. I'm running this command: sudo apt-get purge -y mysql* ...
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1answer
36 views

Can't ping gateway after upgrading to Ubuntu 16.04 | arp issue?

After upgrading to Ubuntu 16.04 from 14.04 I can't ping gateway, at first interface eth0 wasn't starting up, and I read that refreshing new mac address would fix that, so I decided to remove the ...
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0answers
7 views

Luks, Device mapper failed to open temporary keystore device or hang on boot

In my boot partition I installed grub2 from my existing Debian installation, and I built a custom initramfs to boot Ubuntu with encrypted root, then I put that initramfs in that /boot. I then added ...
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1answer
9 views

rsyslogd wont start correctly on Ubuntu 14.04.4 LTS while using the Init-Script

somehow my init-script for rsyslogd does not work. I tried to enable rsyslogd to accept logging-data on udp:514. If I start my rsyslogd via Init-Script, no logging-data is forwarded. Not even syslog! ...
3
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1answer
170 views

Does Canonical Periodically Update a Given AMI?

I've looked and looked, but I cannot find the answer to this question. Given a specific AMI ID (for example, an Ubuntu 14.04 LTS AMI, published by Canonical itself), will Canonical periodically ...
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0answers
25 views

Error 500 with .htaccess Rewrite

<IfModule mod_rewrite.c> <IfModule mod_negotiation.c> Options -MultiViews </IfModule> RewriteEngine On # Redirect Trailing Slashes If Not A Folder... ...
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0answers
27 views

Dell OpenManage web interface fails to start, service returns syntax error

I've installed Dell's Ubuntu OpenManage 7.4.0 package on a Dell PowerEdge 2850 running Ubuntu 14.04 LTS. However, I cannot get the web interface to start. All other tools work as expected, including ...
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0answers
19 views

Private IP Addresses not shown for blades

I have 2 IBM bladecenters with a total of 9 blades. I am currently setting them up to do cluster simulations. I installed ubuntu 14.04 on all of them. Also, the blades are not connected to the ...
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0answers
17 views

Google Compute Engine - DNS Forwarder / Nameserver

I am trying to setup a Ubuntu 14.04 instance in GCE and in doing so I need to setup the server to resolve some dns queries for an internal custom domain name that sits in our internal network on the ...
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0answers
16 views

Using nginx with nagios3, getting blank page

I'm trying to set up nagios3 with nginx on Ubuntu 14.04, and I'm having some trouble that I hope someone can shed some light on. I just get a blank page, instead of the expected Nagios page. It seems ...
0
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1answer
54 views

Cannot reinstall OpenManage 7.4 packages, claims dependencies are uninstallable

How the issue began Recently, whilst upgrading, OpenManage attempted to upgrade to version 8.3.0 and failed due to unmet dependencies with the message srvadmin-isvc : Depends: srvadmin-hapi (>= 8....
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0answers
22 views

Troubleshooting connection timeouts and SYN_RECV

My DigitalOcean droplet fails very often to connect to different resources, like making a REST call with curl or establish SSH connection. Every time it happens, I can see sockets with SYN_RECV state ...
2
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0answers
40 views

Ubuntu 14.04 with Azure File Storage FSTAB mount drops after some time

I have an Ubuntu 14.04 server that has an Azure File Storage mount that auto mounts on boot via an FSTAb. To create this config, I followed the instructions in this article, and it works fine. The ...
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0answers
30 views

OpenVPN Segmentation fault Ubuntu

I am trying to run a openvpn client on Ubuntu 14.04 LTS and get a segmentation fault. Command: openvpn --config /opt/openvpn/openvpn.conf Client config client dev tun proto tcp remote *.*.*.* 443 ...
1
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1answer
36 views

How to config mutiple domains with Varnish and nginx

I read this article but I can't make my case work http://stackoverflow.com/questions/3334023/configure-multiple-sites-with-varnish This is my problem I have 2 domain : mysite1.com and mysite2.com ...
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2answers
11 views

What does the FAIL2BAN BadBots block ? Only Authentication related?

I am wondering if fail2ban is used only in order to block IP addresses that are from which there are authentication failures (SSH / HTTP auth. etc) or that it is also used for blocking Bots which ...
0
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0answers
25 views

nginx not starting: unsupported Verneed record of libGeoIP.so.1

I have been running nginx on my Ubuntu 14.04.4 LTS server for more than one year without problems. However, since a few days nginx fails to load (access.log shows last connection from June, 13th 2016)....
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0answers
8 views

Error in krb5_recvauth: No such file or directory

Trying to propagate a slave dump file from a master KDC and it keeps on failing so I look at the log files to see what is up. In the krb5kdc.log file in the master this is the last two entries Jun 28 ...
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1answer
35 views

What permissions should I give to CA Bundle file? [duplicate]

Hi I setup an ssl certificate using godaddy and read the following article: Best location for SSL certificate and private keys on Ubuntu. I am trying to protect an aws ubuntu gitlab instance that uses ...
2
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1answer
29 views

Samba4 Bind9 client registration as A Host

I have setup an AD DC using Samba4 with Bind9. Everything works perfectly. The problem I'm seeing is after joining a computer to the domain, the computer doesn't appear in DNS as a Host (A) compared ...
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1answer
31 views

Updating Ubuntu Webserver

Our webserver is on AWS running on Ubuntu 14.04.3 LTS. When I ssh into the server I see this message. 196 packages can be updated. 123 updates are security updates. Should I update our ...
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2answers
42 views

Getting Too many Open files error for Postgres

In Ubuntu 14.04 server on a JAVA application we are getting Too many Open files error for Postgres (Using Postgresql 9.5). We set the following in /etc/security/limits.conf * soft nofile 16384 * ...
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0answers
28 views

GCE project-wide SSH keys not propogating

I have noticed in my GCE cluster that when I add an SSH key to the project metadata that it is then automatically added to /home/[user]/.ssh/authorized_keys. This is the behaviour I expect (and desire ...
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0answers
13 views

Nested MTA in postfix in Ubuntu 14.04

I have a machine M1 which is in environment A and another machine M2 in environment B. Machine M1 has access to our mail server. It can send mail to our email addresses by connecting to our mail ...
3
votes
1answer
47 views

How to let chef listen on multiple IPs

I'm currently playing with chef to evaluate whether or not such a configuration tool might help us in our *nix-based environment. For the last few days I'm struggling with one problem I can't find a ...
0
votes
1answer
18 views

Missing MD5Sums control file

Forgive my Linux newbness.... I've just run the follow dpkg -C and it returned the following: The following packages are missing the md5sums control file in the database, they need to be ...
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0answers
132 views

How to install PHP 5.6 redis extension on Ubuntu 14

We used to install PHP's Redis extension using PECL. But it seems PECL has dropped support for this for PHP versions less than 7.0. What's the best way to do this without PECL? We're on Ubuntu 14.x ...
0
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1answer
20 views

SMTP Error - Dovecot/Postfix

Both Dovecot and Postfix are working perfectly. Especially for machines Win 8+ and Mac OS 10.10+ as well as iOS 8+. But trying to connect from a 10.9 Mavericks Mac makes it weird... Here is my main....
0
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1answer
41 views

How to correctly set up VMware tools on Ubuntu 14.04 LTS?

I am currently setting up a new Ubuntu 14.04 LTS on VMware 5.5. I wantet to install the VMware tools (the TAR package that you can mount as CD-ROM). But, when running the script, the machine told me ...
0
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1answer
104 views

package org.json does not exist

I downloaded the JSON library for Java from Maven Repo and installed the .JAR file at the Java library directory on UBuntu 14.04. I tried compile a simple JAVA snippet for JSON parsing, but the ...
0
votes
1answer
43 views

nginx connect to socket failed no file or directory with django and uwsgi

I am trying to deploy a django web app using nginx and uwsgi using this tutorial : Digital Ocean. I followed the tutorial step by step and these are my configuration files: /etc/uwsgi/sites/picknbox....
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0answers
27 views

Apache maximum memory size per child

Running apache 2.0 on ubuntu 14.04 (MPM prefork), I'm seeing multiple child workers with variable "RES" megabyte values (as expected). While I have plenty of RAM to handle all of these processes (i.e. ...
4
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1answer
86 views

What is required in installing/maintaining a software package on a production server? [closed]

A coworker of mine and I are discussing the use (or not) of a full text search solution, namely Elasticsearch in our web application. I am the developer of the web application, and he manages the ...
0
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1answer
77 views

The apache2 instance did not start within 20 seconds

i got this error tonight, literally only this: * Restarting web server apache2 [fail] * The apache2 instance did not ...
0
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0answers
20 views

How to restart nginx when getting 502, with Monit

In Monit, how can I check the health of my Nginx server (if it is returning 502, for example) and how to restart it when this occurs. The environment is an Ubuntu 14.04 64bit
0
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0answers
53 views

Syslog-ng "Error binding socket; addr='AF_INET($CLIENT)', error ='Cannot assign requested address (99)' Error initializing message pipeline;

I'm pretty new to syslog-ng, however after doing some research, found that it would be a good fit for the current project I am working on. Essentially all that I need to do is send syslog messages ...
1
vote
1answer
99 views

What kind of request is it?

I have installed Nginx in my server and i am getting a TCP request from a GPS + GPRS device. When i access the access.log i find this. 126.51.10.6 - - [06/Jun/2016:16:46:53 -0400] "GET / HTTP/1.1" ...
1
vote
1answer
114 views

interVlan routing with Ubuntu

I have 4 vlans created and I trying to use my Ubuntu machine as the DNS,DHCP, L3 router. I want my 4 vlans seperated but still able to talk. Here is a bit about my setup. Cable modem (Bridged)-->...
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votes
2answers
364 views

Cannot start Apache, config test fail: “env: apache2ctl: No such file or directory”

$ apache2 -v Server version: Apache/2.4.7 (Ubuntu) Server built: Jan 14 2016 17:45:23 My Ubuntu version is 14.04. I was fixing a few things on /etc/apache2/sites-available/000-default.conf and ...
0
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1answer
73 views

apache2 not running after graceful restart

Today my apache instance was automatically restarted gracefully by some cron job I guess, afterwards it was not running. The apache error log file shows: [Fri Jun 03 06:25:04.379685 2016] [...
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0answers
18 views

How to directly connect laptop sytem login to login for openvpn server?

Basically, this is my setup: a server running ubuntu behind a firewall and several client laptops, also running ubuntu, outside the firewall. I have openvpn installed on all of the machines and they ...
0
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1answer
19 views

Can OpenVPN clients access the resources of the server? And if so, how?

Here is my setup, I have a server and clients all running ubuntu and all have openvpn installed on them. If I were to use a client to login to the openvpn server, would there be any way I would ...
0
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1answer
14 views

How to only allow openvpn client to download software from server instead of internet.

I have a server and several clients (all running ubuntu) with openvpn installed and configured on them. I want to disallow my clients from installing/downloading any software independently and ...
0
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1answer
62 views

Autostart openvpn with username/password authentication in ubuntu

I have a server with OpenVPN installed on it, and I also have laptops (clients) running Ubuntu with openvpn installed. On the client, if I manually run the command "sudo openvpn /etc/openvpn/client....
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2answers
39 views

Route only Web Traffic of my Ubuntu machine through OpenVPN proxy [closed]

My question is simple, but I couldn't find a clean, step_by_step guide/example on the Internet. I have an OpenVPN proxy server and I want to just route the web traffic of my local Ubuntu machine ...
0
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1answer
36 views

how to filter only port 80 and 443 at mod_status of apache?

Is there a way to show only requests of port 80 and 443 when looking /server-status of mod_status ? My /etc/apache2/mods-available/status.conf file: <IfModule mod_status.c> # Allow ...