Questions related to Ubuntu Server, and server-related packages.

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How to get apache ant 1.9.7 on Ubuntu server?

I need to install apache ant 1.9.7 on VM ubuntu server. And I dont know how can I do it. My server is running on ubuntu 14.04 LTS
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1answer
52 views

creating postfix email user without shell access

I have currently setup Postfix mail server for my company, but there is a bit of problem, the users I have defined for mail server MUST have shell access to server otherwise Postfix won't recognise it ...
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ShadowSocks client doen't work

I just installed Shadowsocks on my ubuntu server. I can connect to the server via Android or Windows. But I can't connect to the Shadowsocks server via my Ubuntu Desktop! I have installed ShadowSocks ...
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1answer
71 views

Static DNS in Ubuntu Server 16.04 [duplicate]

I am a complete new-be when it comes to Linux and even more so when it concerns Ubuntu. I want to configure the IPv4 settings to have automatic assigning of IP address but manual assigning for DNS. ...
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1answer
38 views

Multiple IP addresses with bonded interfaces

I have a server with two ethernet ports and I have bonded them together with the following config in /etc/network/interfaces: # The loopback network interface auto lo iface lo inet loopback # The ...
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0answers
23 views

How to configure a preboot execution environment in ubuntu 14.04? [duplicate]

I want to configure a ubuntu linux system to act as a preboot execution environment that serves multiple clients to access the boot images from pxe and boot into network. How to configure the ubuntu ...
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0answers
30 views

SSH not working from Internet

I have installed Ubuntu 16.04 LTS On Intel® Desktop Board DH55TC With Intel® Core™ i3 CPU 540 @ 3.07GHz 500 GB SATA hard drive Connected to 42" LG TV with HDMI cable TP-Link 300 MB USB wireless LAN ...
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need help debugging server networking

I have a basic headless Ubuntu 14.04 setup with mythtv (with ethernet attached HDHR silicon dust ASTC receiver), mysql, apache, and ssh. Everything was had been running pretty well for a long time, ...
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2answers
79 views

How to Block a range of IP address with UFW

I am trying to block a range of IP address on my Ubuntu 16.04LTS server from a specific country, i.e. China, Iran, etc. I was hoping to find a script or something I could run to easily make a ...
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18 views

MySQL works fine with GUI, but won't start without it. Ubuntu-mate

This one is making me nuts. I have a Raspberry PI 2B with a Ubuntu-mate 16.04 installation. I use it to run PLexmediaserver and Owncloud, the last one over Apache, MySQL and PHP 7.0. Ubuntu-mate for ...
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1answer
65 views

how to create a iso installation of current ubuntu server?

I have a ubuntu server 15.10 installed on my virtual machine (Parallels Desktop). now I want to create a iso installation of my current ubuntu server with it's softwares, configuration, etc. as long ...
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31 views

User permission for filezilla to download file from remote server

The file in remote server will not download through filezilla when I run filezilla in the normal way (clicking its icon to open the program). I have to input sudo filezilla in console, then the file ...
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56 views

Linux Ubuntu can't remove old kernels + cannot stat /lib/libiptc.so.3.0.a

I have a problem with Linux Ubuntu. apt-get autoremove Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED: linux-...
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28 views

Vnc server 1006 Support

I'm trying to create an environment opennebula with this guide. I doing step by step and I was stuck. When I want to connect to my machine via VNC I get an error : Failed to connect to server (code: ...
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35 views

Apache Installation Validation

I install apache for web server by following method and this Question is for Validate my installation sudo apt-get update sudo apt-get install libapache2-mod-fastcgi php5-fpm apache2-mpm-event ...
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1answer
87 views

Server not booting after 16.04 upgrade (not pinging)

Yesterday I upgraded my server to 16.04, all fine and when I rebooted the server rebooted to rescue. I fixed package conflicts with apt-get autoremove and apt-get upgrade etc... I also tried to ...
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1answer
50 views

Limited size of MySQL INSERT

I am inserting data from .csv to MySQL database using PHP but I can't INSERT more than 922 lines. Every time the number of the lines is different, usually it is 841 or 837 but after restart my mysql-...
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1answer
66 views

Gateway routing failure after upgrading from 14.04 to 16.04

I've just upgraded my Ubuntu 14.04 gateway system to 16.04 and somehow the routing has been broken. The system uses a pppoe link to a fibre-modem and runs web, email and DNS services with a shorewall ...
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2answers
27 views

http2.load is a dangling symlink

I have just upgraded my Google Compute Engine to Ubuntu 16.04 lts and now cannot get apache2 to restart! I first ran sudo apache2ctl configtest and got this: apache2: Syntax error on line 140 of /...
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1answer
64 views

Cannot access the Internet even though ethernet is connected? DHCP problem

I am currently running Ubuntu 14.04 on my Lenovo z500 laptop. I use the same laptop at my work and at my home. MY work place uses a static IP so I have to manually set my IP address in the network ...
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0answers
24 views

Connection refused after install xubuntu desktop on ubuntu server

I am running Ubuntu 15.10 Server (64 bit). I tried to install desktop GUI on it. Whenever I install the desktop GUI I got connection refused after reboot and cannot login using putty any more any ...
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0answers
37 views

14.04 Server can't connect to Wifi with ifup; wap_supplicant throws “ioctl[SIOCSIWENCODEEXT]: Invalid argument”

I moved my 14.04 home server to a new apartment that can only access the internet via Wifi. This machine used to have a desktop version of 12.04 that connected to wifi fine via network-manager (so I ...
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1answer
165 views

How to install Ubuntu 16.04 Server from USB drive?

I'm looking to create a folder of ISO files on the my USB drive & access them via the GRUB menu for installation on various machines. So far, the Desktop editions of Ubuntu have booted ...
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37 views

MaaS node failed deployment

I have commissioned four nodes under MaaS controller. Then I click on the deploy button on the MaaS web UI. It seems to be working, then a message shows up that says: /dev/sdb, /dev/sdc ...
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23 views

LVM Check Disk for Bad Sectors with RAID Mirroring to Fix Them?

I'm working on creating a very reliable, high-volume storage server on Ubuntu. Suppose you have a large 4 TB RAID1 set of 2 disks on LVM... At this size, I find it's more common to get a bad sector. ...
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32 views

redirect traffic from server 1 to server 2 on specific ports

I am trying to redirect traffic from server 1 on IP A to server 2 on specific ports and IPs. i am using this rule as an e.g. - iptables -t nat -A PREROUTING -s 192.168.1.1 -p tcp --dport 1111 -j ...
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1answer
31 views

setting ulimit in init script

I am trying to install rabbitmq-server on Ubuntu 14.04.4 LTS. In /etc/default/rabbitmq-server it says: # Maximum number of open file handles. This will need to be increased # to handle many ...
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1answer
37 views

Ubuntu Server as (and) Router?

Is it stable use Ubuntu as router and server (ssh, database backup, web server, etc) thanks
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1answer
72 views

Networking with Ubuntu server 16.04

Hello I am setting configuration for my IP. I am running Ubuntu Server 16.04 and when I go to sudo nano /etc/network/interfaces I set this as my configuration: auto enp0s3 iface enp0s3 inet static ...
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1answer
32 views

Application/Port specific Network shaping tool?

So I've recently made the move to Ubuntu 16.04, from Windows 7, and am looking for a program that can replace the NetLimiter 3 Pro application I used to use to throttle my upload and download speeds ...
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21 views

Ubuntu server lost disk space

I have a Ubuntu server: user@server:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 15.10 Release: 15.10 Codename: wily It ...
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0answers
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Ubuntu Server 16.04 Login Username Field

I have already searched and was unable to find any documentation on this issue. I have freshly installed Ubuntu Server 16.04 on a machine that seems to have been built around 2009-2011. I used a ...
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79 views

nginx fails to update after upgrade to 16.04 server

I upgraded from 14.04 server to 16.04 server. I have always used the official nginx packages, because I needed support for things like SPDY and HTTP2 which were not in the 14.04 version of nginx. ...
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13 views

Ubuntu Server for Marvell Armada XP

I am looking to Ubuntu Server 14.04 for Marvell Armada XP 78260. I found pre-build image "uInitrd" but version 12.04 which I do an upgrade once installed. My question is, how to install uInitrd ...
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1answer
21 views

vsFTPd connection to ubuntu instance

I'm running Ubuntu on a instance on the university server. I've installed vsFTPd and added a new user. I uncommented the following parameters in the vsftpd.conf: write_enable=YES chroot_local_user=...
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1answer
87 views

renaming network interface in Ubuntu 16.04 with systemd fails

I'm using a headless Ubuntu 16.04 LTS Server with two physical network cards, which are named enp5s0f0 and enp5s0f1. I would like to rename these interfaces, and followed this example. I therefore ...
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1answer
28 views

Giving your self root acces on ftps [duplicate]

I now have an ubuntu server with a user called rvdutchman, I also have a LAMP server running on that server. with using apache2 the dir where you can put your website on is /var/www/html. So I login ...
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1answer
1k views

Ubuntu server 16.04 won't boot after installation, Fail to start LXD

I am new to Ubuntu. Just installed Ubuntu server 16.04 onto Dell R730 server yesterday. The first time reboot was okay. But the server refused to boot today. The error message was: Failed to start LXD....
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OpCache doesn't work on Ubuntu server 16.04 with PHP7

I just update my server to 16.04 with PHP7, all web server work but phpinfo says that the Opcache is enable but the opcache_get_status() says something else! opcache_get_status() = array(3) { ["...
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1answer
58 views

Non-jailed SSH user getting /bin/bash permission denied

I've set up a number of different users which each have their own jail directory. Inside this jailed directory they each have all the binaries and libraries they need copied over. SSH access is ...
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2answers
41 views

How intelligent is OpenSSH when it comes to connecting to a domain that leads to your internal network?

I run Ubuntu on my personal machine, and have an network of servers on my local network at my house. I have a cloud server, and a software development server, as well as some others. My servers have ...
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0answers
55 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 ...
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1answer
80 views

Service isc-dhcp-server fails to start

I'm currently working on a project of making an highly secured router with my RaspberryPi to navigate anonymously on the net. Yet, I'm not able to correctly configurate the daemon to finalise the wifi ...
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0answers
26 views

Ubuntu server login text message

I have a Ubuntu server by default when boot it has a text "Ubuntu ubuntu tty1" "ubuntu login: " How can i customize those 2 text entries? can it be not displayed? removed? can I change to some other ...
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1answer
93 views

Simple Samba Share - NO PASSWORD

Good night, What do I need: Simple samba config for file server without password and full read write for everyone. No security needed. History: I'm making a server to host files for my home. The ...
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1answer
128 views

ubuntu 16.04 pxe server install problem finding live-image

I am attempting to create an Ubuntu 16.04 PXE server to install other server instances. I have already managed to get a PXE client to start the installation process however it fails at the step "...
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1answer
107 views

Ubuntu 16.04 multiple NIC, bridge - Not getting br0 DNS settings

After a updated to Ubuntu 16.04 - which has mostly gone very well - everything works except resolving names from the host. Resolv.conf does not pick up dns-nameservers from interfaces (br0) for some ...
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17 views

How to Create a Netboot Server?

There are many tutorials for this already, but all of them seem to: Be spider webs of links that I have to follow to get all the parts working (and get lost in the middle of). I can understand not ...
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0answers
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“antispam plugin not configured”

I'm trying to get the dovecot-antispam plugin working on a 15.10 server (I can't dist-upgrade, it's on a vps) and I'm getting the error message of anti spam plugin not configured when trying to move ...
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1answer
38 views

Virtual box issue with /etc/network/interfaces

I'm trying to run a pentest server (2014 in a box challenge: https://www.cyberchallenge.com.au/) on virtual box. I've set up a static ip in etc/network/interfaces as such: #auto lo auto eth0 #iface ...