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Questions tagged [ubuntu-14.04]

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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1answer
23 views

directory protection in Ubuntu 14.04 Server [on hold]

I want to run the following on a single ubuntu 14.04 server - Asterisk - PHP/Apache/ MySQL This server will be offline at customer's location. I want to protect these folders in a way that if my ...
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0answers
13 views

Fail local authentication if remote failed

I have set up my PAM rules to be able to try TACACS+ first, and if the server is unreachable, then try local auth (pam_unix) and do some post auth operations in corresponding scripts. The following ...
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0answers
22 views

Bandwidth and IO issues when running hardware raid and zfs

I've inherited a setup using Linux Ubuntu 14, a megaraid_sas, and ZFS. We're getting some performance problems (never being able to fully utilize the 6GB bandwidth from the raid) and I'm curious if ...
2
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0answers
45 views

How do I increase open file limit for nginx's master process on Ubuntu 14.04 LTS?

Not a dupe: This is not a duplicate of this question. I've already looked into that question. That helps with raising the limit for worker processes, but the nginx master process continues to retain ...
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0answers
15 views

Internal Server Error after installing LetsEncrypt SSL certificate and uninstalling it again

Following the directions given here, I tried to install a LetsEncrypt certificate on my Ubuntu 14.04 apache virtual private server with SSH (root) like this: apt-get install certbot python-certbot-...
1
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2answers
47 views

Network loopback device missing in Ubuntu 14.04

I want to program an FPGA via JTAG and the xmd script connects to 127.0.0.1:3121 to do so. That worked nicely for months. After a reboot this connection suddenly didn't exist any more, I cannot ping ...
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0answers
28 views

Trying to configure letsencrypt auto renewal with HAProxy

I'm trying to get the letsencrypt auto renewal working with haproxy. I've followed these instructions: https://www.digitalocean.com/community/tutorials/how-to-secure-haproxy-with-let-s-encrypt-on-...
1
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1answer
19 views

SquirrelMail doesn't send or receive any mail

I just tried to set up a mail server on my Ubutnu 14.04. The goal is to be able to send mails from info@mydomain.com and receive mails sent to the same adress. Now I followed this tutorial to install ...
1
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1answer
61 views

Where does Certbot serve up HTTP-01 challenges from?

I am diagnosing a weird problem with some of my Ubuntu 14 LTS / Apache 2.4 machines with Certbot renewals. Yes, I know Ubuntu 14 LTS is EOL soon; these are some of the straggler machines on the ...
0
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1answer
29 views

How to tell my apache server running in a docker container to write logs to stdout [duplicate]

I have been trying to point my logs to /proc/1/fd/1 but it is saying cannot acces the directory and if i use /proc/self/fd/1 nothing is writing to my stdout
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0answers
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Nginx Workers auto vs mentioning a number

Have been figuring out the right number for worker_processes and even though there has been some progress while mentioning custom value. A recent event has made me the question - What would be the ...
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2answers
77 views

PHP Startup: Unable to load dynamic library '/usr/lib/php/20131226/xsl.so'

I'm getting an error whenever PHP (5.6) is starting from the command line (and crons) : PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php/20131226/xsl.so' - libexslt.so.0: ...
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2answers
53 views

Why the kernel wasn't updated to 4.4 on Ubuntu 14.04? Other related questions [closed]

I had a task to update only kernel to the latest version on Ubuntu 14.04 VPS. What I did: apt-get update apt-get install linux-virtual reboot It updated from 3.13.0-24 to 3.13.0-163. 14.04.x ...
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0answers
48 views

dhcp server not responding to clients who are making connections the second time and onwards

I have setup a DHCP server on my Ubuntu 14 laptop. eth0 is the port I am using for DHCP server and listed with same name in ifconfig. I followed the exact following steps : Step 1 : sudo apt-get ...
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0answers
81 views

Upgraded 14.04 to 16.04 and boot is dropping to initramfs prompt

Anyone know how to fix this? I upgraded a system with LVM partitions for /, /var, /usr, /home and it seems like initrd can't figure out the LVM scheme. I found a bugreport on launchpad regarding this ...
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0answers
17 views

RAID : Why does out of sync happens?

I have a system running Software RAID 10 with 4 drives (only one partition is using RAID from those disks). The system, which is running Ubuntu 14.04, was unable to boot. Troubleshooting the problem, ...
0
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1answer
133 views

Is Committed_AS in /proc/meminfo really the correct number for allocated virtual memory in Linux? It is less than MemTotal-MemAvailable here

I am collecting numbers for monitoring HPC servers and am debating the policy for handing out memory (overcommit or not). I wanted to show users a number on how much virtual memory their processes (...
3
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0answers
299 views

kworkerds process using up all the cpu - ubuntu

Screenshot I have this weird process using up the all the CPU. I kill it and it gets restarted again. Not sure what's going on here and how do I proceed further. We have solr, apache and mysql ...
1
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1answer
204 views

Unable to configure apache to listen to port 443 in Ubuntu

I’ve setup Certbot on Ubuntu, the certificate was created successfully outputting the following: Congratulations! Your certificate and chain have been saved at: /etc/letsencrypt/live/bin-depot.co....
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0answers
149 views

Zentyal 3.3 to 5.1 upgrade. Cannot access samba shares from windows

We recently upgraded our Zentyal 3.3 server to 5.1 It was an upgrade process via software updates menu. The samba version were 4.1.3 and now it's 4.6.7 After the upgrade I noticed that nobody can ...
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3answers
32 views

Rogue process on Ubuntu [duplicate]

A VPS running Ubuntu 14.04.5 LTS is consuming nearly 300% of CPU capacity. It is identified running top as cER6XH. Is there any way to track down what this process is and why it may be going rogue?
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1answer
90 views

ExpiresByType “access plus 1 month” results in 1 year expires header

I have implemented resourec expiry with the following set up <IfModule mod_expires.c> ExpiresActive On ExpiresByType image/jpg "access plus 1 year" ExpiresByType image/jpeg "access ...
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0answers
38 views

SMTP mail error 452-4.3.1 with plenty of available storage. Postfix [duplicate]

So I have the same error described in this question: smtp mail error 452-4.3.1. insufficient system storage coming from a client connecting to postfix on an Ubuntu14.04 server. Also this one Postfix ...
0
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1answer
23 views

Vagrant/VirtualBox guest doesn't boot completely after upgrading Ubuntu guest from 14 to 16

I have a running WEB server with Ubuntu 14.04.5 LTS with LAMP environment. The server is running in a Vagrant/VirtualBox virtual machine. I made a release upgrade to Ubuntu 16. The upgrade had no ...
0
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1answer
24 views

ubuntu 14.04 node porridge

I have two versions of nodejs on my machine. I had only v8.6.0. I ran: sudo apt-add-repository "deb https://deb.nodesource.com/node_8.x $(lsb_release -sc) main" sudo apt-get update sudo apt-get ...
0
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1answer
57 views

Mx records point to gmail; postfix mail sent direct from server marked as spam by gmail, yahoo

I have an Ubuntu 14.04 server with postfix installed. However, I have set up the domain MX records to point to a Google apps' configuration, as per Google's instructions. All works fine using email ...
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2answers
224 views

SSH Hangs. error: openpty: No such file or directory error: session_pty_req: session 0 alloc failed

One of our Ubuntu 14.04 production servers stopped accepting SSH connections. When we try to login we get the SSH Banner text, but then it just hangs. If we login using the management console, we can ...
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1answer
53 views

Postgres behave abnormally

I have production application running on PostgreSQL database on a on premise Ubuntu System. Recently I have been facing one strange issue, that Postgres service is getting killed itself and then it is ...
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1answer
180 views

Even with root user Im receiving 'Operation not permitted' when try creating gluster volume between Ubuntu 14.04 LXC containers

Even with root user Im receiving 'Operation not permitted' when try creating gluster volume between Ubuntu 14.04 LXC containers. Need test the solution locally before install it on prodution and even ...
0
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1answer
29 views

Verifying eth0 still works after adding eth1

I am using the Virtual Machine vmware with ubuntu. I've added a network adapter - eth1 and have assigned an ip address and mac address. but now that I try to connect to the internet, it doesn't work. ...
0
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1answer
31 views

How to find out how node web server is started on our server?

So we have a bunch of old (like 2 years) Ubuntu 14.04 servers running production application, which has an API endpoint in Node. But we have no idea how to start/stop/restart node on it.. it just ...
0
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1answer
25 views

Server CPU way up, nothing peculiar

I'm having a strange morning where the CPU usage on my server is running way up. Like 35-50%. htop shows nothing running like that, but PHP processes once in a while spiking. I can't seem to figure ...
0
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1answer
109 views

How to migrate from Jenkins week Ubuntu package to LTS?

I'm currently running the Jenkins weekly Ubuntu package from https://jenkins.io/download/ on Ubuntu 14.04. Specifically I'm on Jenkins 2.138 (the latest) from https://pkg.jenkins.io/debian/. I'd like ...
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0answers
208 views

Boot hangs at Stopping Mount network filesystems

I recently applied the latest updates on Ubuntu 14.04 server by running sudo apt-get update && sudo apt-get upgrade then restarted the server. Now it hangs on boot at this message * Stopping ...
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0answers
39 views

does power supply redundant failure cause kernel panic?

Just after one of the power supply failed, the following error was recoreded in syslog. (the OS is ubuntu 14.04.) I am running a JVM (java virtual machine) with 64 HEAP on server with 128 RAM. do ...
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1answer
27 views

Cron stopped working after I added another job

I hope you're doing well. I am facing a big problem with my cron jobs. Up until today I had two cron jobs to be run in my crontab to be ran at specific times of the day. Everything ran flawlessly ...
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0answers
151 views

SSD performance on Ubuntu + Nginx

I'm trying to improve the performance of server for nginx 100TB/month images distributions. But I have two problems: high CPU load and periodical splashes (I don't know why) Hardware is quite poor (...
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0answers
26 views

Unwanted process is running on VM and consuming 98% CPU consistently [duplicate]

I could see one of the process running on VM and consuming 98% CPU consistently, it auto starts if i kill the same. Process details is as below: root 3740 1 98 11:00 ? 00:49:34 /var/...
0
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1answer
35 views

Raised PHP7.0-fpm capacity, still overloads

I'm at a loss here. I run a few dozen servers with all different amounts of traffic. As the traffic increased over time, some servers started crashing (502/503 errors) and I figured it was due the php ...
0
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0answers
23 views

Samba fails Achilles Level 2 tests

During certain Achilles tests, CPU consumption of Samba rises to 100%. I am doing Achilles tests on a Linux-based server. I have noticed that during certain tests (and UDP port discovery), the ...
0
votes
1answer
670 views

Why is a /128 IPv6 address assigned via DHCPv6 in Ubuntu?

I am testing the implementation of IPv6 in Ubuntu. My Ubuntu linux client correctly gets RA from server and configures an address in the advertised prefix. Next it gets another address via DHCP which ...
1
vote
1answer
45 views

Ubuntu ps command showing wrong values in START column

I have just noticed that my server has wrong value in START column of ps 's output. It always display 2017 value, while it should show hour:minute format. The problem is not fixed after I reboot the ...
0
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1answer
80 views

“Server should be SSL-aware but has no certificate configured” Apache won't start

Never have set up a web server like this so I'm not sure what i'm doing wrong. I'm setting up my SSL certificate on my Ubuntu 14.04 server. The SSL is from NameCheap as is the domain. I'm getting this ...
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0answers
36 views

Wordpress and PHP Version Upgrade issue

I am running PHP Version 5.6 on my Ubuntu 14.04 Server. /home/ubuntu# php -v PHP 5.6.36-1+ubuntu14.04.1+deb.sury.org+1 (cli) Copyright (c) 1997-2016 The PHP Group Zend Engine v2.6.0, Copyright (c) ...
0
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1answer
73 views

Remote server firewall blocking remote mongodb server

I have an Ubuntu server that is trying to connect to a remote MongoDB server. When I try to connect to the remote MongoDB server via the following method: mongo -u user -p pass yourdb.com:27017 It ...
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0answers
22 views

How to analyze the latencies (application latency and rtt) of various applications in a citrix receiver?

Ntopng can identify the citrix flows but I am not able to see the information about the different applications running inside Citrix receiver. I am using Ntopng on ubuntu 14.04.
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1answer
106 views

Forward TCP Traffic With Port Translation and Retain Incoming Public IP

I have two servers. Windows has 1 NIC, Ubuntu has 2 NICs: Server NIC Service Listening Ports ------- --- ------- --------------- Windows 1 IIS 80, 443 mySvc 300 ...
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0answers
25 views

Outgoing network traffic randomly returns with a length of 0

I'm not really sure what happened, but earlier today one of my Ubuntu boxes network (hosted on AWS) randomly died, I was able to fix it up by assigning an elastic IP and rebooting. But since then ...
2
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1answer
210 views

Modifying pam with Ansible

As part of a new server setup, I provision /etc/security/access.conf with user/group and src IP addresses of allowed ssh logins. This requires enabling pam_access in the /etc/pam.d/login and /etc/pam....
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0answers
54 views

How to safely remove old kernels headers and libraries

Last night our system ran out of inode count. Luckily I manage to delete few old kernels Using the following steps sudo dpkg --list 'linux-image*'|awk '{ if ($1=="ii") print $2}'|grep -v `uname ...