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

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Initial samba connection slow

So I have a 30 windows computers network connecting to a Fedora 20 server. This server serves as both a samba server and a gateway. I'm having troubles with the slow connection from windows to samba ...
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Kerberized NFS4 and Active Directory

I'm trying to use NFS4 on Ubuntu 14.04 LTS with Active Directory for user authentication, with Kerberos security, and I'm having trouble. When I mount with sec=sys, all works, but when I try to mount ...
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1answer
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Unable to start/stop apache on Ubuntu

I am trying to start apache using the following command: sudo -E -u [my_username] /usr/sbin/apachectl -f conf/httpd.conf I get the following error: no listening sockets available, shutting down ...
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19 views

Apache server on Localhost stops working, logs show a segmentation fault, and connections get “Connection Reset” errors

After searching throught the internet for a while and trying all the fixes i've found(edit httpd.conf, vhost conf file, firewall) but still can't fix this error. My server ran incredibly good ...
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ifdown: interface eth1.10 not configured Ignoring unknown interface eth1.10=eth1.10

Trying to add a vlan pool: This is the entry that I had made in the /etc/network/interfaces file: iface eth1.10 inet static address 172.85.85.1 netmask 255.255.255.0 ...
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1answer
79 views

How can I see which packages will be updated from apt?

I see on my server at the login, that a few updates are available. How can I see which packages will be updated on my server without starting the update?
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1answer
8 views

VLAN is not working in Virtual Box

I had tried VLAN creating a VLAN pool in between the virtual boxes. But even after installing VLAN in client box, despite all the interface configurations, it is not pinging the other system in the ...
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29 views

Wifi detection during server install

I built a new box, that I intended to run ubuntu server on. I first installed ubuntu desktop 15.04 on it and it went without a hitch. During installation I was asked for wifi network/password which I ...
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using ddclient with namecheap dns service doesn't update IP

I have just set up my first ever home server. I created root, made the IP static on my local network, installed openssh, and can now ssh into the computer as long as i am connected to my homes router. ...
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19 views

Segmentation fault (core dumped)

I am trying to run ROS (robotic operating system) command in Ubuntu, but it always gives me error when I try to launch Gazebo, which is the most common simulation tool used in ROS. ~$ roslaunch ...
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9 views

How do I send nginx access and error logs to syslog?

I have rsyslog configured to ship logs to another server. I have been trying to setup nginx and rsyslog to use a socket, like /dev/log, to transfer logs into the local rsyslog and then let it handle ...
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6 views

Forced SSL Redirection is not working in apache

I've recently set up a website and configured SSL according to this Digital Ocean guide. Once I got this configured I rand: sudo a2enmod rewrite and then in /etc/apache2/sites-enabled/000-default ...
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8 views

SSH with PAM Google

I have a server with Google Authenticator enabled. It worked fine, and one day I tried to login, and suddenly I'm not able to. Fortunately, I do have Ajenti installed with a terminal, so it's not a ...
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17 views

Apache daemon problem /etc/init.d/apache2

For the last 5 weeks, I have monitored some strange behavior. Every week at logrotate process time, the init script /etc/init.d/apache2 is being rotated as if it were a log file. The first week it ...
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0answers
12 views

SVN over HTTPS broken after 12.04LTS upgrade to 14.04LTS

I just upgraded from 12.04LTS to 14.04LTS. Up until the upgrade, I was running Subversion over Apache 2.2 without any issues. After the upgrade I get Access Forbidden messages when connecting from ...
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15 views

Windows7 machine cannot access Linux share folders via Samba, help please

I have a linux and a windows 7 machine connected via samba. My linux machine is able to gain access to the folders on the windows 7 machine via the browse network tab in file manager but the windows 7 ...
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Ubuntu Server 15.04 installation on MacBook — Issues with keyboard layout and installation from DVD

I'd like to install Ubuntu Server 15.04 on my MacBook (from May 2008) to set up a server for my home network. I run into two major problems though: 1. When I burn the ISO to a DVD (using OSX Disk ...
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1answer
14 views

Safest place to get latest Apache and PHP or switch to debian?

I'm a relatively new Ubuntu user and would like to use the latest version of PHP 5.6 and Apache 2.4 I've been using the latest versions of Apache and PHP on Windows without any problems for a few ...
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7 views

Configure ldap with Caldav server

I am very new to ldap and I am struggling setting it up for Caldav server. I am trying to setup ldap server to work with Caldav Server. I see mapping in stdconfig.py as below. ...
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5 views

APT-CACHER SERVER blocks me down load file at apt-get

I follow this to setup the apt-cacher but it cause some problem when I install Java 8, how can I fix it? NOTICE: I have fix the the installer_files_regexp addition from [a-z]+\.tar\.gz(?:\.gpg)? to ...
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1answer
70 views

Passwordless ssh error

I am trying to enable passwordless ssh for Hadoop 2.6.0. The method I tried is as follows: ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys I also ...
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Trying to Install ubuntu server but freezes on archive mirror

I have been trying to install ubuntu server (14.04.2 and 14.04 and 15.04) and it always stops on the archive mirror. I have tried different mirrors but the same thing happens again and again and it's ...
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1answer
16 views

Clarification: What are my options for an image server/Central Management Server with Ubuntu Server?

Recently my household has started using various version of Ubuntu to replace Windows. We have 4 Computers running different iterations of Ubuntu (mostly 15.04 64bit) and I would like to set something ...
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19 views

System Center Configuration Manager for Ubuntu?

Anybody knows if Ubuntu has a tool like: "System Center Configuration Manager" from MS? I want to remotely distribute software. Thanks in advance.
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Ubuntu Server Doesn't Load

I just built my first PC and am trying to install Ubuntu Server on it. The installation process seemed to go fine, and after all is done it'll go to reboot. Once it reboots, it just sits on a blinking ...
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1answer
14 views

system,exec calls in linux not work from php its work fine if i run directly to putty

I am try to execute some command trough php. like kill {process id} Those command works fine using putty command prompt but same thing if i use with php its nothing happen .
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2answers
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User password don't work vsftpd server

I created an user with: useradd -m -s /bin/false testuser Also I added in the vsftpd.user_list 'testuser' and changed the password with passwd. After a restart of the vsftpd service I wanted to log ...
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1answer
18 views

Ubuntu 14.04 for high performance computing cluster

hy guys ...I want to combine all the resources above 3 OpenStack my computer ? How to? Can anyone help me. so if pc1 = procesoor 2.4Ghz hdd=1TB pc2 = procesoor 3Ghz hdd=1TB pc3 = procesoor 3Ghz ...
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13 views

Dovecot user login failed

I have a problem with my dovecot. I want to make a mail server using postfix, dovecot, thunderbrid and outlook for windows users. But when I install and configure dovecot, I can't login with my mail ...
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1answer
28 views

WAN over wifi and eth to LAN

I have a USB Network card (TP link 722n) in my system. It has been recognised by the system. I do need to connect to a remote network over wifi and access internet. SSID:WHATEVER WPA2 ...
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10 views

running redmine on a browser via webrick

Query run: ruby usr/share/redmine/script/server webrick -e prodiction got the following result: ruby: no such file or directory -- usr/share/redmine/script/server (LoadError)
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Adding Repository using Phusion passenger for redmine

Add repository source deb https://oss-binaries.phusionpassenger.com/apt/passenger trusty main Result : https://oss-binaries.phusionpassenger.com/apt/passenger trusty main is not known
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1answer
102 views

Upgrading server from 13.04 to 13.10 (eventually 14.04) [on hold]

I'm trying to upgrade a production server from 13.04 to 13.10. I've run 'sudo do-release-upgrade' but I'm getting 404 errors and I don't know how to quickly fix this. Anyone have any ideas or should ...
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Phusion passenger installation on ubuntu

To Add repository for Phusion Passenger I ran : sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 561F9B9CAC40B2F7 Result: key 561F9B9CAC40B2F7 can't be retrieved gpg: no valid OpenPGP ...
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0answers
14 views

Experience about Linux Foundation Certification Sysadmin [closed]

I want to certificate me to a linux sysadmin with the Linux Foundation Certification. Did anybody have experience about this certifiaction? Did anybody own this cert? Thanks
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1answer
21 views

I did “sudo reboot” on my server and its going web page not found [closed]

i did above command my ftp works fine but website give me error like This webpage is not available
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1answer
17 views

Setting up Minecraft server to start and stop automatically

I followed this tutorial: http://minecraft.gamepedia.com/Tutorials/Ubuntu_startup_script ...and I am getting an error that says: start: Unknown job: minecraft-server ...when I run the start or ...
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13 views

What does (mysql-workbench-bin:4022): Gtk-CRITICAL **: gtk_tree_view_unref_tree_helper: assertion 'node != NULL' failed means?

I'am running a Mysql server at my Linux system locally running the Debian version, and I start the server and that's okay. Then I start Mysql Workbench and when I execute the Mysql script, I can see ...
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22 views

Redirect all traffic except DNS

I successfully setup Ubuntu server up & running. Server configuration: tun0 192.168.99.1/24 NAT Enabled Note that client able to communicate with server. ping 192.168.99.1 Now I stuck at ...
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9 views

Adding my domain's email in gmail for “Send mail as” gmail feature

I have email set up on my Ubuntu server and when I do dig mydomain.com mx the output is: ;; ANSWER SECTION: mydomain.com. 86400 IN MX 10 mail.mydomain.com. Now when I'm using gmail, I ...
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VM ware player Ubuntu post Installation problem- VT-x not in BIOS on lenovo T430

I am getting the following error: "This host supports Intel VT-x, but Intel VT-x is disabled" When I went into BIOS to change these, I did not find any option like "VT-x" Ubuntu version-14.04.01 VM- ...
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1answer
48 views

Why choose ubuntu 12.04 or 14.04 over other linux distros? [on hold]

Trying to white up some notes on why we choose ubuntu over all the other distros out there but it would be good to know what the you guys think is the reason Does ubuntu 12.04/14.04 LTS have a longer ...
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13 views

Manage Client and Server in Ubuntu

I just stuck with the problem of Client Server Management with Ubuntu 12.4. Recently I have installed Ubuntu in couple of PC. Now i want to access one PC as Server and remaining PC's as Client. I ...
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20 views

connecting ubuntu via ssh in azure cloud :bad file number port 22

I have successfully created virtual machine(ubuntu) in azure cloud,after that i am connecting it through ssh.For the first time its worked and i installed lampp stack an vsftpd on it.But now i will ...
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Could not load host key: /etc/ssh/ssh_host_ed25519_key in /var/log/auth.log

I have an Ubuntu 14.04 instance running on AWS. I was browsing the auth logs (/var/log/auth.log*), and noticed the following line appearing: Could not load host key: /etc/ssh/ssh_host_ed25519_key ...
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1answer
25 views

Ubuntu 15.04 desktop - How can I make Ubuntu boot to the command line?

I am running Ubuntu 15.04 in Virtual Box with the standard GUI. However, I want to be able to have the option to boot it to the command line and run it without the GUI. How do I do this? Have ...
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19 views

CIFS client behaving as root on server

I have a CIFS client w/a regular user. I have a SAMBA server where the only user is root. I want the user on the client system to be able to access the files on the remote server as root. So far I ...
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30 views

Windows domain users cannot login Ubuntu 14.04

I have an assignment that requires windows domain users to be able log in with their designated username and password, but it's not working for me. And Yes, I have enabled and configured that file to ...
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13 views

14.04 Channel 'DAHDI/1-1' sent into invalid extension

Hi I am setting up a very simple asterisk system with 1 analog card TDM410P and a few SIP account extensions in my home. I use a Ubuntu Server. When calls are incoming on the TDM410P, they should be ...
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Error while updating with drush

I have an ubuntu server with apache that is going to be the host of our public web site (the site is using Drupal). We currently have a public web site and are moving that site to a new server. I ...