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Questions tagged [ubuntu-16.04]

Ubuntu 16.04 - named "Xenial Xerus" - is a Long Term Support (LTS) release of Ubuntu Linux. Officially released on April 21, 2016, it will be supported for 5 years. Only use this tag if your question is version-specific.

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I am not getting a console login after installing ubuntu 16.04 minimal server by using virt-install command [on hold]

virt-install --connect=qemu:///system \ --network user \ --name=PathBreaker \ --disk path=/home/h/pathbreaker.img,format=raw \ --ram 256 \ --check-cpu \ --hvm \ --arch ...
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2answers
26 views

automatically mount ssd on ec2 aws ubuntu 16.04

I am using an Ubuntu 16.04 EC2 from AWS on c5d.2xlarge HW. It comes with a 200 GB SSD called /dev/nvme1n1. I am able to mount this drive using: $ sudo mkfs.ext4 -E nodiscard /dev/nvme1n1 $ sudo ...
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1answer
31 views

Edit fstab on unmounted device

I tried to add swapfile to the root file system on AWS EC2 instance. Did I made a mistake during the edit of fstab? sudo dd if=/dev/zero of=/swapfile bs=1G count=4 chmod 600 /swapfile mkswap /...
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1answer
43 views

Why can't I access my FTP server with Windows Explorer?

I have an instance running Ubuntu 16.0.4 LTS on Google Compute Engine with port 21 open to it. I have installed vsftpd on it, added a user for the ftp, and set the directory permissions to full access ...
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16 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
8 views

Postfix not starting in gitlab docker container

I am trying to get postfix running on the gitlab/gitlab-ce:9.3.6-ce.0 docker container and it doesn't seem to work startup I get the following error: postfix start postfix/postfix-script: starting ...
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0answers
23 views

Automatically connecting to S3 on ubuntu 16.04 using s3fs [duplicate]

I am having an issue getting my s3 to automatically mount properly after restart. I am running an AWS ECS c5d using ubuntu 16.04. I able able to use s3fs to connect to my S3 drive manually using: $...
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32 views

Something looks wrong in this Linux RAID

This Ubuntu Server 16.04 machine has these disks: sudo fdisk -l Disk /dev/sda: 1.8 TiB, 2000398934016 bytes, 3907029168 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): ...
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1answer
15 views

How to keep custom kernel modules on kernel updates installed?

I've got a NIC (Asus XG C100C) that is not properly supported in the current Linux kernel. Hence, I installed driver which I compiled from source. Every time when the kernel is updated, I have to ...
2
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1answer
46 views

WWW::Mechanize Perl module won't install on server

I'm trying to work out why a Perl module won't install on my server. cpanm WWW::Mechanize It processes stuff for ages, and then eventually dies with: root@admin:~# cpanm WWW::Mechanize --> ...
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0answers
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mysql_secure_installation on Ubuntu 16.04 doesn't set the root pass

I'm upgrading a few mysql (MariaDB) hosts from Ubuntu 14.04 to 16.04 and noticed mysql_secure_installation doesn't seem to set a root password on the DB, even though it prompted me for it. I changed ...
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1answer
77 views

linux web server, send mail using external (hosting provider) dns

I set Ubuntu 16.04 LTS server as web server (apache-php-mysql and sendmail) with valid public ip-address. Also, I use a hosting provider to redirect www.mydomain.com to my Ubuntu web server. Web ...
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0answers
15 views

How to serve wordpress (LAMP) and Angular (Node/Express) app on same server/domain

I'm currently running a web server with Ubuntu 16.04, serving up a Wordpress site, using LAMP stack and LetsEncrypt SSL to encrypt the website. I'd like to be able to run an Angular app with the MEAN ...
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0answers
21 views

/var/sys/deamon taking all of the CPU

We have Jenkins-instance running on Azure VM. Recently the VM has been running almost nonestop 100% CPU because of process I can't seem to find any information on. using glances the process or command ...
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0answers
9 views

How to enable longpolling port on odoov8?

im new on odoo. and i need some help to enable this, i have configured reverse proxy using apache2 <VirtualHost *:80> ServerName myserver.com <Proxy *> Order deny,allow Allow from all ...
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1answer
51 views

/var/log/cron.log returning CRON[PID]: Permission denied for domain joined account

I'm trying to get a cron job to run, but not as root. Within the context of the user (domainuser@contoso.com), here are the outputs of the crontab and cron.log: Output of crontab -l # Edit this ...
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0answers
25 views

OpenVPN issue when client tries to connect: read UDP: Connection reset by peer (WSAECONNRESET) (code=10054)

UPDATE: Here's the output when I try to access OpenVPN using my Verizon router instead of my homemade Ubuntu router. It doesn't work immediately after I plug in the router, but in about a day or so, ...
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1answer
39 views

IP change to Domain Name in Ubuntu

I am currently setting up Magento 2.2 for the company I am working with. I set up most of the things and installed the Magento package on the IP Host. I can access it and it kind of works fine until I ...
1
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1answer
34 views

How to determine the cause of stuck `D` status processes?

I have several processes stuck on uninterruptible sleep statuses, all seemingly stemming from auplink /var/lib/docker/aufs/mnt. It's something docker related and it's waiting on an I/O that will never ...
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1answer
34 views

nginx with nginx-auth-ldap won't make

I've done this before and used this guide: https://calvin.me/nginx-ldap-http-authentication/ Unfortunately lately that server has had some major issues with nginx crashing (there have been no changes ...
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0answers
22 views

Ubuntu 16.04 stuck on ssh version 7.2p2? [duplicate]

Did a network scan in my home VM lab and found several of my Ubuntu 16.04 VMs to be vulnerable to CVE-2016-6515, CVE-2016-6210 which was patched in ssh 7.3, however every bit of apt update/upgrades ...
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1answer
41 views

set apache as default server in ubuntu 16.04

first i installed apache on my local system, it working fine and then for some reason i installed nginx it also works fine, but now problem is each time when i start my system by default nginx is ...
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33 views

Ubuntu 16.04 VPS dropping massive amount of RX Packets

Having networking issues with a Ubuntu 16.04 VPS, causing extremely slow speeds (we're talking about 100kbps). Running ifconfig is showing over a million dropped RX packets from eth0 (no errors) and I ...
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0answers
36 views

Enable forwarding between different interfaces on Ubuntu

I need some suggestions as I am trying to see if I can simulate a WLC functionality using an Ubuntu box My idea is as follows: 1) On the ubuntu box have 2 different eth- eth1 and eth2 interfaces with ...
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0answers
10 views

Error while adding MySql Plugin

OS- Ubuntu 16.04 Mysql Version- 5.7 Getting error while installing plugin into Mysql ex. INSTALL PLUGIN QUERY_RESPONSE_TIME_AUDIT SONAME 'query_response_time.so'; check plugin directory show ...
2
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1answer
83 views

Fail2ban not banning attempted sql injection

I'm getting a large number of sql injection attempts that all look alike on a daily basis. A snippet from the access logs shows: 8222 24.247.182.172 - - [09/Nov/2018:08:47:25 -0600] ***************....
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2answers
387 views

Docker service not able to start anymore because of modprobe error

I just ran in some issues with my server running docker that I cannot fix myself. Im using Docker version 18.09.0, build 4d60db4 with Ubuntu 16.04.5 LTS. During the day I noticed, that my docker ...
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1answer
41 views

All log files seemingly deleted [closed]

I wanted to change to the log directory on ubuntu server, and check duplicity log, but I don't know what happened, it seems that all log files and sub-directories have gone missing! This is the ...
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0answers
25 views

Route traffic of specific ports via proxy

I have a squid3 proxy server setup and working as http/https proxy. On the client I am currently using export http_proxy="http:/xx.xx.xx.xx:3128" to use the proxy server for http and similarly ...
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1answer
26 views

How to read boot log in rescue mode?

I have a remote server running Ubuntu 16.04 server that hangs on boot. In order to find the error I booted it in rescue mode, mounted devices to /mnt and chrooted to /mnt. Here's what I did so far: ...
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2answers
235 views

Postfix email server not receiving email from external email

I'm trying to set up a mail server on Ubuntu 16.04.5 LTS with Postfix and Dovecot. I can send out email without any problem and mail sent from localhost also finds its way into the inbox. However, ...
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1answer
37 views

Routing requests from internal network to local Apache – a dnsmasq Job?

Hey folks from serverfault, new to this network site. I have a question regarding the configuration of a new server. Ubuntu 16.04 and Apache 2.4 will be running on the server. We would like to allow ...
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1answer
18 views

ansible: insert content of wordpress unique keys and salt into variable

in handlers/main.yml I've got: - name: get API information for wp-config uri: url: "https://api.wordpress.org/secret-key/1.1/salt/" return_contents: yes register: ...
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1answer
45 views

Samba server not showing up in linux nor windows

I've installed samba on a local server we have to share files across the network. It's started fine, but not showing up on the network at all. I can't even get to it by trying with the IP in linux nor ...
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2answers
32 views

Error in the log file when connecting to the AWS server

I am using terraform to create an instance in AWS. I connect very well to the server, but the log file has the following errors. [Tue Oct 23 18:49:33.725989 2018] [suexec:notice] [pid 11845] AH01232: ...
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0answers
33 views

Graylog not running on port 9000

Graylog is running on machine sudo systemctl status graylog-server ● graylog-server.service - Graylog server Loaded: loaded (/usr/lib/systemd/system/graylog-server.service; enabled; ...
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0answers
22 views

Nginx Multiple Websites sub-directories in a sub-domain

I'm using DigitalOcean and Nginx to try and host multiple websites from one sub-domain and I just can't seem to get the configuration to work. I either return the root folder index.php, a 404 page or ...
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1answer
25 views

Risk of removing VirtualHost port 80 in Apache

Currently my sites in Apache are configured with VirtualHost for ports 80 and 443, my htaccess redirects to https when https is off. By doing a test removing virtualhost 80 I realized that the ...
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1answer
101 views

Ubuntu versions and using apt-get for SNMP mib downloader

I am running Ubuntu 16.04.5 LTS, which I believe slightly pre-dates a fix to some issues with the SNMP MIBs installed by the snmp-mibs-downloader. I'm trying to understand whether I can use apt-get to ...
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1answer
49 views

Nginx, SSL and Varnish returning ERR_TOO_MANY_REDIRECTS

I'm trying to setup a Nginx server with Lets Encrypt SSL and Varnish for cacheing but I've hit a brick wall. For some reason the website just keeps returning ERR_TOO_MANY_REDIRECTS and I'm can't track ...
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1answer
79 views

Issues with apt-get update

I have a digitalocean cloud server (Ubuntu 16.04) that I have setup my ufw on. When I try to run apt-get update, I get the following: Err:1 http://mirrors.digitalocean.com/ubuntu xenial InRelease ...
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0answers
40 views

Squid and dynamic ip network adapter

I am struggling with setting squid proxy server to work with dynamic (3G/4G) USB modem adapter. I know that I should set tcp_outgoing_address directive to the IP of the adapter, but that is an issue ...
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1answer
25 views

How to set an olcAccess attribute so gidNumber=0+uidNumber=0 works like olcRootDN?

I'm upgrading a Ubuntu 14.04 OpenLDAP server to 16.04 and running into a snag. There is an (localhost) import script which uses uses ldapdelete -r -Y EXTERNAL -H ldapi:///... to remove some OUs and ...
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32 views

Debian buster repo in Ubuntu 16.04.5 LTS

I recently updated a Ubuntu 16.04 instance to 16.04.5. With an 'apt update' some days later suddenly 366 packages to update and 125 newly to install appeared. Obviously sources.list was appended ...
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0answers
44 views

host + docker iptables rules confusion

I have an Ubuntu 16.04 running Docker and I am attempting to secure this server such that it only accepts: SSH connections HTTP connection HTTPS connection I know to add iptables policies before ...
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1answer
17 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 ...
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0answers
35 views

Upgrade Ubuntu to specific release

I am upgrading a server that was running ubuntu 14. I don't want to leap all the way to 18 because I'm guessing it will break too many things. So my question is how to upgrade to 16 instead of 18. ...
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0answers
26 views

DHCP request on ethernet cable reconnect with Ubuntu 16.04 Server

I have Ubuntu 16.04 Server here. My Ethernet interface is configured to use DHCP via /etc/network/interfaces and also I enabled "allow-hotplug" for the interface. It works. I can boot without cable ...
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0answers
83 views

getent passwd dosen't show users of LDAP server but getent shadow works

This is an Ubuntu with LDAP + NSCD installed and validating against an AD server. I can run ldapsearch without any problem and getent shadow shows all the ldap users but getent passwd and getent ...
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1answer
97 views

unable to connect to an openVPN server from a windows client

I set up an openVPN server and it is functional from android devices and linux desktops. However I have a client that is able to connect using the my.ovpn I provided from an android device but when he ...