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5
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2answers
10k views

Ubuntu Server 14.04 - RAID5 created with mdadm disappears after reboot

This is my first question on superuser, so if I forgot to mention something, please ask. I'm trying to set up a home server which will be used as file server and media server. I installed Ubuntu ...
0
votes
1answer
13 views

Only allow whitelisted IP addresses to try to connect in fail2ban

My auth.log is littered with connection attempts from nasty zombies. It is really annoying. And the server doesn't even permit password logins. What I would like to do is set up fail2ban to only ...
1
vote
1answer
38 views

Why is so much RAM being cached?

free -m total used free shared buffers cached Mem: 32086 30156 1930 51 564 26606 -/+ buffers/cache: 2985 29101 ...
0
votes
1answer
20 views

Extending or Merging root partition remotely

I am currently working remotely on a Ubuntu Server, 14.04 LTS. This is the result of df -h Filesystem Size Used Avail Use% Mounted on /dev/md2 20G 20G 0 100% / udev ...
0
votes
1answer
28 views

Ubuntu server does not connect to the internet anymore

I switched off my Ubuntu Server, but, when I started it, it didn't connect to the Internet. It is connected to the router via Ethernet. What can I do? The result of ipaddr is: 1: lo: ...
1
vote
1answer
3k views

Configuring bridged network card on VMWare VM - Host : Windows 7 - Guest : Ubuntu Server 12.04

My question is about giving Internet connection to a VM with a STATIC IP address, by connecting to the WiFi I have at home. I gave my VM, running Ubuntu Server 12.04 on VMWare Player, one network ...
4
votes
4answers
6k views

What are reasons to disallow ICMP on my server?

An EC2 Instance has ICMP services disabled by default. While it's not totally clear to me why, I think it's because it could be a potential security risk. At the moment I'm enabling Echo Responses ...
1
vote
1answer
2k views

Ubuntu server 12.04 auto installation freezes at kickseeding running if ks.cfg has post scripts

I'm trying to make a custom Ubuntu Server iso file. Kickstart file (ks.cfg) runs smooth when there is no %post in the file and Ubuntu installs correctly with ks configuration. Installation finishes ...
0
votes
0answers
15 views

Ubuntu Server is not visible anymore in the local net

I set up Samba on my Ubuntu Server, I could see the server from the two Windows PCs in my home and I could share files between the PCs. When I restarted the system, I could not see the server anymore. ...
2
votes
3answers
46 views

Accidentally deleted all kernel files from /boot

I have a virtual machine (VM) running Ubuntu Server 14.04. I access the VM remotely using putty. Recently I came into a problem when /boot was 100% full. I came across numerous articles which ...
3
votes
1answer
827 views

Virtual Box Bridged network w/ Static IP Win7 host Ubuntu Guest

Last year, I had no trouble with doing the following: Create virtual machine Set network adapter to bridged adapter Set static IP Guest connects to Internet, host connects to guest @ 192.168.1.xxx ...
0
votes
1answer
16 views

Customizing Ubuntu Server Startup Message

I have an Ubuntu server (15.04) that I am using for testing in a group. Is there a way I can customize the startup message (probably not the correct terminology) to include the IP address. So ...
0
votes
1answer
20 views

Snort Failing to start on Ubuntu 9.04

EDIT: Hey! To anyone stumbling across this question who followed this guide: https://help.ubuntu.com/community/SnortIDS It's too old and WILL NOT work! Find a different one! I'm trying to get Snort ...
0
votes
0answers
15 views

How can I find why a port is used in Ubuntu Server? [duplicate]

I recently installed Kamailio 4.0.4 on Ubuntu Server 14.04. After first run. 0(5400) ERROR: <core> [tcp_main.c:2932]: tcp_init(): ERROR: tcp_init: bind(a, 0x7fb5b0783344, 16) on 127.0.0.1:5060 ...
0
votes
1answer
38 views

cant configure network on ubuntu server using drac

I have installed Ubuntu 14 server on my server using DRAC of dell. I have got all the info from my server company like: IP Addresses, Gateway, Netmask and so on. I have tried to configure the network ...
2
votes
1answer
10k views

How can I mount a NTFS disk under Ubuntu Server 12.04?

I am looking to access a second HDD in my PC, it is formatted as NTFS and I the data on the second HDD cannot be replaced so I need a method that will not delete the data on the HDD. fdisk -l command ...
0
votes
0answers
16 views

How to add “role” after initial installation of Ubuntu Server 14.04

During Ubuntu Server 14.04 installation, I'm prompted to select a number of metapackages to install (which seems similar to the Windows Server notion of roles). Is there an easy way to install one of ...
45
votes
9answers
36k views

How to fix warning about ECDSA host key

I'm trying to setup password-less SSH on an Ubuntu server with ssh-copy-id myuser@myserver, but I'm getting the error: Warning: the ECDSA host key for 'myserver' differs from the key for the IP ...
-1
votes
2answers
208 views

SSH Tunnel doesn't work

I use following command to make a ssh tunnel to my ubuntu server: ssh -fNg -L 8888:127.0.0.1:22 -p 1000 username@server-address -v Then I set OSX http and https proxy to 127.0.0.1:8888 And I got ...
0
votes
1answer
26 views

Exporting list of users and passwords securely in ubuntu server?

I have a project in which I'm creating users with random passwords for a class of students, and I want to give this list to the teacher so he can distribute the user:pass to each student. What is the ...
0
votes
0answers
119 views

Very high write latency with Intel 530 180GB SSD and Ubuntu Server 15.04

I just put together a new "server" with an Intel NUC5i5MYHE, an Intel 530-series 180GB m.2 SSD, and 16GB RAM. I am having a rather severe problem with writes to the SSD having very high latency. The ...
1
vote
1answer
56 views

How can my home server accept and reply to connections from the Internet when OpenVPN client is running?

I have a headless home server running Ubuntu Server 12.04. A 3rd party website (to which I'm subscribed) periodically sends commands to a daemon on my home server which in turn responds to the 3rd ...
1
vote
0answers
83 views

Ubuntu server kernel panic after running a package upgrade script

Ubuntu Server 14.04.2 LTS x86_AMD64 running on a Lenovo Thinkpad T61 with an LVM encrypted hard disk. I run this script every week or so to upgrade packages: sudo apt-get update -ymu sudo apt-get ...
0
votes
0answers
209 views

cannot ping domain name, ping IP's work

but if I ping IP of domain name it's works this my /etc/resolv.conf nameserver 8.8.8.8 ping google.com ping: unknown host google.com ping 8.8.8.8 64 bytes from 8.8.8.8: icmp_seq=1 ttl=57 ...
0
votes
0answers
33 views

Tomcat Site available through internet

I have a desktop running a tomcat site (jira). When I go to 192.168.1.108:8080 from a device on my network I can see the site. I now want to be able to access it through internet. For that purpose I ...
4
votes
1answer
1k views

Where to store cronjob script?

I'd prefer to not keep it in my /home/myusername directory. Is there a best practice of where to store your shell scripts for cronjobs? At the root level? I'm running ubuntu server 12.04 right now.
1
vote
1answer
54 views

Is it a good idea to remove Firefox, when it also removes “gnome-core”?

I thought I should remove Firefox since I don't use it, but if I run apt-get purge firefox it says that it will remove gnome-core which seems like it could be needed by other apps on my VNC server. ...
0
votes
0answers
42 views

ISPConfig3: No PHP MySQL function available

This message is given when I configure ISPC3 with php -q install.php The ISPC3 output: ISPConfig3: No PHP MySQL function available. Please ensure the module is loaded. I've tried to install the ...
1
vote
1answer
23 views

What kind of server can be accessed at \\SERVERNAME in Windows

I want to have Ubuntu running a server that I can access from my Windows machine using \SERVERNAME\LOCATION. What kind of server do I need?
0
votes
1answer
33 views

Formatted PC wont boot from CD

I cleaned the HDD of an old PC with Hiren Boot CD to make a DIY server and it worked fine. I now have very clean hard drive. The problem is when I tried to put an iso of ubuntu server onto the machine ...
0
votes
1answer
64 views

Web browsers removing slash in URL

I have a URL (http://www.example.com/). Whenever me, a user, or a bot(search indexers) enter (http://www.example.com/Folder) the domain automatically redirects to (http://www.example.comFolder). All ...
5
votes
1answer
2k views

Unicode Characters in Ubuntu Server

I recently migrated from Ubuntu Desktop 13.04 to Ubuntu Server 13.10 and now my filesystem doesn't seem to support unicode characters. I use rsync to backup/sync files and it shows the proper ...
0
votes
1answer
26 views

how to boot into ubuntu/server that's in the same disk as windows 8

so I got windows 8.1 installed and then I installed ubuntu 14.04.1, rebooted and it still boots into windows 8.1. how to boot into ubuntu not windows and how to make it happen by default
0
votes
0answers
142 views

How many VM's I can create and share CPU cores on 24 core CPU?

I have a server that has 2 (CPU) - 24 cores. Is there a limit how many VM's I can create and assign CPU's? Ex: Is there a limit that, I can only create 6 VM's that have 4 CPUs each? or 12 VM's with 2 ...
5
votes
5answers
6k views

Is it possible to install Ubuntu Server 10.04 *from* a USB drive?

I've tried the Universal USB Installer from PenDrive, and put 10.04 Ubuntu Server on it. But when I boot up and try to install, it looks for a Ubuntu CD ROM, which I do not have. I thought the whole ...
0
votes
1answer
282 views

How to make folder always writeable by apache?

I want to make a folder always writeable by PHP. I changed the folder permission temprorarly to 777, but the content of the folder is uploaded by a ftp user, so every time I rerun the script I get ...
1
vote
1answer
2k views

connect to Windows share from Ubuntu Server using reverse ssh tunnel

I'm missing a piece of this puzzle so I hope someone can help me. The SETUP: My computer with Windows O/S is behind a NAT/Firewall at work and I can not open any ports to forward. At home I have a ...
0
votes
1answer
128 views

How to make a new disk usable on Ubuntu Linux?

I've set up a remote ubuntu server back in the day on a 5GB drive from the 100GB that my host provided just to test. Time flew by and turns out that I'm still using the test environment and now I need ...
0
votes
3answers
2k views

Transfer files from Ubuntu Server to Windows

I have a webpage in a Ubuntu Server, and I use ssh to connect to it. Now I'm looking for a solution to transfer files (indeed, to transfer the backups generated there automatically) to my Windows ...
0
votes
1answer
267 views

How to recover admin password web2py

I have a web2py instance that is deployed, but I can't figure out what the admin password was. Is there a way to recover the admin password in web2py? I tried to remove parameters.py file, but now it ...
0
votes
2answers
246 views

Ubuntu server - Access denied UNTIL login with root user

I have a machine running Ubuntu Server 12.04.2. I have a folder /home/shared_folder This folder is shared in samba. When i try to access the folder in windows, it does not show the folder's content, ...
2
votes
3answers
3k views

How do I know whether to reboot after upgrading packages in Ubuntu?

I have a PC running Ubuntu server. Sometimes when I ssh into it, I get a message that some packages need upgrading. I upgrade the software by running (as root) aptitude update && aptitude ...
0
votes
0answers
78 views

Ubuntu Server (trusty) Minimal - Options for prettier consoles with install Xorg

Q: Is it reasonable to get a fancier terminal emulator working in the consoles using framebuffers? I love the speed in the console, but I really miss my fonts and colors, otherwise I could ...
2
votes
2answers
1k views

Copying folder from one Unix server to another, updating owners IDs

I'm using the method described here to copy a directory from one Unix server to another (both Ubuntu 14.04): rsync -aruv localfolder/ user@server:destination/ I need to keep the same owners and ...
0
votes
0answers
53 views

How can I create an interactive script to run before login on Ubuntu Server?

I'm setting up an Ubuntu Server VM to be deployed to multiple customer sites, each with different configurations but the same base image. I don't want the customer to ever log in to the VM, it will ...
4
votes
5answers
9k views

How do I copy data from a Ubuntu server using terminal by telnet?

I have one folder to copy that consists of PHP and similar files for creating a web site. How do I copy one folder from the server (Linux Ubuntu) to the client PC (Linux Ubuntu) using terminal? Could ...
1
vote
2answers
3k views

Set up Ubuntu server as router

I just installed Ubuntu 10.04 LTS server on a old desktop PC with a dual port network card I would like to use as router for my home network. How do I have to set up the interfaces so that the ...
2
votes
1answer
6k views

Running Cronjobs as per Local Time rather than Universal Time

On running dpkg-reconfigure tzdata in terminal and i get 2 different time on my machine Local time is now: Wed May 1 11:58:55 IST 2013. Universal Time is now: Wed May 1 06:28:55 UTC 2013. ...
2
votes
0answers
68 views

Debian 7 vs Ubuntu Server 14.04 for 32-bit VM “network nodes”

I plan to make a number of small VM's (virtualbox) that will serve as networking nodes for various VPS servers, local appliances, private domain servers (AD), and various other web services provided ...
4
votes
2answers
7k views

Disable Frequency Scaling “ondemand” daemon on Ubuntu 10.04

I noticed today that a process "ondemand" was running on my Ubuntu Server that I recently upgraded (following the recommended process) from 9.10 to 10.04. Why on earth would they install this by ...