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

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How can I remove a specific known_hosts entry without deleting the file

When I try to ssh to my server (I reset the server) I get the usual "WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!" I then run the suggested ssh-keygen -f "/home/XXXX/.ssh/known_hosts" -R xxx.com ...
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0answers
7 views

Ubuntu behaving strangely with loading http , getting 404 issues after site migration

So I have a website built in php and it was working perfectly on one server, I then moved the website to a server I have on Digital Ocean and am running into several errors, they seem to be based ...
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1answer
20 views

How to only install security updates

Is it possible to only install the security updates. If this is possible it needs to be done on several servers and ubuntu virtual machines (Manually in command line) . I already tried a few ...
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1answer
9 views

Aria2 download from FTP from a list of URL

I'm currently using the following wget command to download from an FTP server from a list of URL's in a file: wget --user=mylogin --password='mypassword' -P /home/ftp/ -i /var/www/file/url.txt -N ...
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1answer
14 views

Make internet app available only within VPN?

I am not sure if I expressed myself clear enough in the question. Just managed to set up PPTP on my server and I want to know how can I make a website be accessible only from VPN clients. I have ...
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0answers
11 views

Access denied when using domain credentials

I am unable to login to Ubuntu with my domain credentials....I am getting access denied. My machine has authenticated against my domain for 2+ yrs. Then a few weeks ago, when resuming from sleep, my ...
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0answers
13 views

X11VNC Server shows screen from the past

I have a headless server (Xubuntu 14.04), on which I have set up a X11VNC server. The server is set to autostart at boot (e.g. I can remotely sign my user in at the system password prompt). I am ...
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0answers
11 views

USB Installed Ubuntu server fails to load without USB

I have tried installing the Ubuntu server (version 14.04) onto my acer desktop using my USB. I configured the USB through Universal USB Installer (version 1.9.5.7), using the option that said Ubuntu ...
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0answers
10 views

server won't boot after installation [ dell poweredge T20 ]

i got a dell poweredge T20 but after the installation it won't start it won't boot the HD were the system is installed or the usb I NEED HELP specs: 4 GB DDR2 Ram intel xeon E3-1225V3 3.2 GHz 1 TB HD ...
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24 views

How to use rsync properly?

I have a server with 3 seperate websites on it. I want to switch mail transfer agents from sendmail to postfix. Switching from sendmail to postfix means thatat sendmail will have to be uninstalled. ...
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0answers
15 views

Website, SFTP, SSH in home directory for multiple users

I need a little help with configuring Ubuntu Server 14.04, apache2 and SFTP for multiple separate users. Every user needs to have website in his home directory, for example: /home/user/public_html ...
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0answers
17 views

ownCloud on Ubuntu 14.04 - ban mechanism?

I have a question regarding ownCloud 7.0.4 with Ubuntu 14.04 Sometimes when I upload or download larger files (like > 300 MB) to ownCloud i get disconnected from server. It looks like my IP gets ...
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0answers
14 views

server won't boot after installation [dell poweredge T20]

i got a dell poweredge T20 but after the installation it won't start it won't boot the HD were the system is installed or the usb I NEED HELP specs: 4 GB DDR2 Ram intel xeon E3-1225V3 3.2 GHz 1 TB ...
0
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1answer
22 views

Adding multiple hard drives to ubuntu server so owncloud can use them

I am using an old desktop to install ubuntu server on. Once I have it installed, I upgrade to the newest version. After it is finished, I install owncloud. I've gotten it all set up and working. The ...
0
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1answer
18 views

ARP flux how to solve

I have a server with 2 NICs having an IP address in the same subnet, this is what my /etc/network/interfaces looks like: auto eth0 iface eth0 inet static address 192.168.2.155 gateway ...
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0answers
17 views

Is there a .vmdk file for Ubuntu? [duplicate]

Can Ubuntu be installed on Virtualbox? If yes how?
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0answers
20 views

How to check OS integrity?

Trying to create an additional Swap file, I used a hasty sudo dd command on our Ubuntu server. After the operation the partition appeared as fully occupied. Now I am not sure if by accident parts of / ...
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0answers
20 views

wondershaper doesn't work for redirected traffic

I'm trying to prioritize my network so small packages get through quicker so latency-dependent applications don't get unusable when downloading/watching videos. I want to use one pc(with one nic) ...
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0answers
12 views

Running multiple php version using php-fpm

Following on from the configuration given in the answers here: How to configure Apache to run PHP as FastCGI on Ubuntu 12.04 via terminal? How do you then use this configuration to use a different ...
1
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1answer
23 views

How do I move several LVM VG's on a pair of software RAID5 arrays from one Ubuntu install to another?

I have two software RAID5 arrays with LVM sat on top. I'm moving from Ubuntu 12.04 on an old PATA drive to Ubuntu 14.04 on a new SATA drive. I have the basic system up and running but now I'd like to ...
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1answer
26 views

Fully uninstall X server

I was playing around with the x server and LXDE in ubuntu server and installed it using the command 'sudo apt-get install xorg lubuntu-desktop'. When I went to uninstall it, by using the command 'sudo ...
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0answers
43 views

How do you install a GUI on Ubuntu Server in Google Compute Engine (GCE)?

I deployed an Ubuntu Server 14.04 LTS Virtual Machine (VM) in the Google Compute Engine. However, I am unable to make the GUI to start. I followed all the steps found in ...
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7 views

monitor network connectivity faults?

I am suffering poor connectivity when i work at home. Frequently I see write failed broken pipe and other errors indicating that Ive lost connection. I would like to complain to my service provider, ...
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0answers
36 views

Linux Red hat vs Ubuntu , Which is best OS? [on hold]

No offence but just asking . Which OS is better in terms of UI Security Linux Commands Popularity 3rd party Softwares available for OS Used by large companies
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26 views

server first time login

I am a total newbie and just installed Ubuntu server. On startup I am asked for my username and password. OK no problem there. Then it says "welcome to Ubuntu" followed by a line that has ...
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1answer
21 views

Need some help installing ubuntu server via usb

I have downloaded Ubuntu 14.04.1 Server as a iso file and would like to know how i install it via a usb. The Macine im installing it on dosnt have a desk drive.
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0answers
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Now after upgrade from 12.04.5 LTS to 14.04.1 LTS Dovecot will not authen. system users

I've had 12.04.5 LTS with Postfix and Dovecot working for a long time now, but now after upgrading to 14.04.1 LTS Dovecot will not authenticate the system users. Dovecot will however work fine for ...
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1answer
16 views

Starting bash on linux ubuntu with Android

anyone knows if you can start bash script from Android to linux remotely . I've tried using vnc but are not interested in viewing the screen but simply to send the command to start remote Android
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14 views

How can I find the exact model of a hard disk in a raid?

I have a ProLiant DL380p Gen8 with 4 Plextor solid state drives RAIDed. Since one of these disks has failed (as I see in HP iLO4 of my server) I need to find the exact model of these disks to replace ...
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0answers
19 views

What you want to see in daily server monitoring mail?

I write bash script, which collect information from ubuntu server and send it by mail. With this script you can see: Your clamav antivirus information Which ports are open How many users in your ...
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0answers
18 views

want to use new headless server with VirtualBox; startx hangs at extension GLX

ssh'ing into the server and running startx yields this. Background info that may help: I originally hooked up my monitor and keyboard directly to the box, but now wondering if there are some ...
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0answers
13 views

Ubuntu PXE boot

I had done the deployment of Ubuntu on the network via WDS. for that I have used commands: wdsutil /set-server /bootprogram:boot\x86\pxelinux.com /architecture:x86 wdsutil /set-server ...
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0answers
14 views

Power type for nodes in MAAS cluster

I need your help, I have setup 7 nodes MAAS cluster in KVM for testing purposes, everything is working fine, but I am stuck at what power type option I should select in the edit node option for all ...
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0answers
25 views

Need help in solving the issue while installing the ubuntu server 14.04lts [on hold]

I am facing issue while installing the ubuntu server 14.04lts from dvd. I have tried with vmware and with physical server but getting the same error. The error says only the failing step is : Install ...
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0answers
14 views

Configure Message Of The Day - Ubuntu Server 14 LTS

I am a newbie here to Ubuntu and I am trying to configure my MOTD however I am running into a few issues. Upon log in, my message will display however I get the following error (note my MOTD file is ...
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0answers
28 views

Can't SSH into Ubuntu server

Appreciate thoughts on how to debug this situation: built a headless box with Ubuntu server 14.04.1 LTS, and installed Plex and SSH server. For several months, everything was running fine, but in the ...
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1answer
40 views
+100

Use proxy for transmissions on certain url?

for some reason my server isp is blocking certain urls on port 443 , is there any way so i can pass just those urls transmissions through a proxy ? api.example.com:443 and server.example.com:443 if ...
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2answers
32 views

How Recover data from a server that crashes on startup?

I'm running an Ubuntu server on an old Dell Poweredge 800. After updating it, I'll get several 'System program problem detected' popups on startup. Several seconds later the keyboard and mouse will ...
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1answer
28 views

Can't access Plex from outside my network

My firewall is configured to port forward traffic to 32400. When I log into mydomain.com:32400/web I am taken to my account and I can see my Plex server in the left pane. However I get the error: ...
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0answers
6 views

Server login issues [duplicate]

I'm pretty new to ubuntu. I am trying to set up a server. however, whenever I try to login; I can type the username, but the password will not type. as soon as the password field is available, ...
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0answers
28 views

Error during Apache 2 restart

I upgraded the Apache 2 from version 2.2.22 to 2.4 I faced some errors. So I tried to downgraded to version 2.2.22 again. The downgraded process succeeded. But now when I try to restart Apache 2 it ...
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1answer
50 views

PS3 Media Server Installation on 14.10

I've been trying to install PS3 media server on 14.10 using the following link: http://www.ps3mediaserver.org/forum/viewtopic.php?f=3&t=13046 Upon entering the second: sudo apt-get update it ...
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0answers
13 views

I cannot connecto my Ubuntu VPS

I'm running an Ubuntu 14.04 VPS. I rebooted it and now I cannot connect to it. Before rebooting it its disk was full but I cleared a few GBs and then rebooted. The support gave me this screenshot How ...
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1answer
24 views

Access Jenkins through Tomcat7 and Apache2

I am setting up a CI/CD server*h, hosted on a little box I have in the back of my house. e2/mods-e/Currently, I have a Jenkins instance running through Tomcat7 on port 8080, and a SonarQube instance ...
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0answers
60 views

Boot randomly leaves eth1 unable to send but can receive

On my Ubuntu 14.04 server with dual NICS the NIC connected to the router, eth1, will, just after boot randomly be in a state in which it can listen but not send. I use Wireshark to monitor the ...
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0answers
38 views

Ubuntu Server 14.04 stops responding

I have set up an Ubuntu server at home to host a small web-page containing files I want to access from outside. All is working really well but sometimes if I wake up, the server is frozen. I can't ...
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0answers
27 views

Cannot connect over the internet to virtual hosts on Ubuntu Server 14.10 with LAMP [closed]

I run LAMP on Ubuntu Server 14.10 and can connect to all my three virtual hosts from any host on my intranet, but I cannot connect to the virtual hosts over the internet. I am using DHCP on the ...
0
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1answer
18 views

2 dhcp servers on same network

I have a Bell home router that doesn’t support port forward ranges , just single ports. It does have DMZ though so.... I was thinking of having my Ubuntu 14 headless run a DHCP service and then doing ...
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0answers
60 views

SSH using Terminal / Terminator is “very” Slow (at the connecting time) Compared to putty

i searched in all stackexchange website, the same question is asked few time and I did all that mentioned in those threads...but still when doing a SSH to a remote server using terminal during the ...
3
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1answer
35 views

Cannot login using correct password

I installed Ubuntu server on a PC, with correct user + password. We installed webmin, and we are running a website on this PC. It works. I can remotely update webmin and ubuntu package. However, I ...