Ubuntu Linux is a Debian derivative that aims to bring Linux mainstream. Questions on this site should generally refer to Ubuntu Server. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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sudo password being rejected, but system log-in work

adduser bob sudo usermod -a -G sudo bob I can log-in via terminal with the bob password but when i try any sudo command It asks for password but says it is incorrent. It is on ubuntu 12.04.
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13 views

Why mysql don't start in ubuntu server?

I edit mysql config for remote connect, I paste there bind_address = 0.0.0.0 After it i tryed to restart (sudo /etc/init.d/mysql restart or start) but I see fail of it in both commands. in logs ...
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9 views

How to use lastcomm to get commands from just last 24 hours?

I'm trying to use acct's lastcomm on Ubuntu 14.04 to get a list of commands run on the server for the last 24 hours, to save in a file elsewhere for later auditing purposes. Is there a flag that can ...
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11 views

QEMU USB passthrough is not working

I stuck at getting USB passthrough working with Windows 8.1 guest OS on Ubuntu Server 14.04. I started by installing qemu using the Ubuntu Documentation (https://help.ubuntu.com/community/KVM). The ...
2
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1answer
110 views

apt-get unmet dependecies, traditional solutions not working

The problem Taking any action that will change installed packages on my Ubuntu 12.04 LTS server (remove, install, purge, etc.) fails with: Reading package lists... Building dependency tree... ...
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1answer
10 views

Unable to stop Squid3

When trying to stop squid3 that is running off a docker image jpetazzo/squid-in-a-can, I am unable to stop squid! root@myserver:/# service squid3 stop [FAIL] Stopping Squid HTTP Proxy 3.x: ...
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1answer
9 views

kvm/qemu host windows guest BSOD about driver_irql_not_less_or_equal for viostore.sys

I have a KVM/Qemu host running 4 Windows Server 2012 guests and after upgrading the host from Ubuntu 12.04 to 14.04 I get blue screens with a bug check string of "driver_irql_not_less_or_equal" that ...
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1answer
25 views

Creating a virtual network for KVM guests spanning multiple host machines

I have 5 physical machines running Ubuntu 14.04, all of them are together in a network. These all have static IP addresses. Each of these machines has 1 to 4 virtual machines via KVM/QEMU running ...
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18 views

Subdomain only read the index file

This is the structure of the directory: +example.com +public_html +assets //assets directory of example (css,js,img) -index.html //the index file for example +subdomain ...
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17 views

Nginx Redirect - Too many stops an issue?

I've been researching this issue for a while now and come up with quite a few conflicted results. Basically when entering our webpage we want you taken to https for seo and security purposes. I'm ...
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10 views

Starting php5-fpm process after gluster filesystem has been mounted

How can I initialize a php5-fpm process using upstart so that it starts after /etc/fstab has mounted a remote gluster filesystem? I know that in Ubuntu, this can be done by using the filesystem and ...
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1answer
21 views

get the next ubuntu release via command line [on hold]

lsb_release -c gives me the current release, how from the command line can I determine the next release? i.e. if lsb_release -c gives me 'utopic', how can I determine the next release is 'vivid' from ...
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0answers
18 views

hosting 2 domain (apache2), how can I utilise webmail on both domains? [on hold]

Ubuntu LTS Server 14.04 Apache2 Have 2 domains (total) inside -> "/etc/apache2/sites-enabled". I've tried installing PostFix + Dovecot + SquirrelMail. -> I was able to send mail from both ...
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0answers
12 views

apache 2.4 rewrite rule to change http://example.com/postfixadmin/ to https://example.com/postfixadmin [duplicate]

server : ubuntu 14.04, Apache 2.4, with php 5.5 i wanted to redirect "http" request for example.com/postfixadmin/ to https://example.com/postfixadmin/(anything). Below is my postfixadmin apache ...
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2answers
41 views

Server midnight - high memory allocations and does not let go, what to check?

How can I check what my server was doing at midnight, to locate the high memory spike, which he is still holding on. Only things I'm running on the server is Apache2 with a Flask app, and a Tomcat7 ...
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0answers
20 views

Performance issues after migrating to a new server with better hardware config

I need help optimizing a server. We are currently using a pc with below configuration as a server (current) for Sugarcrm. Processor: RAM: 16GB Hard disk: SATA 500GB 7200 rpm OS: Ubuntu 12.04 LTS ...
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1answer
9 views

Enabling basic auth in apache user directory from Directory context instead of .htaccess file

I've enabled Apache user directories on my Ubuntu server. User can now load their /home/username/public_html directory from the browser by visiting http://example.com/~username. I'm trying to ...
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0answers
19 views

Ubuntu desktop won't start [on hold]

i installed Ubuntu server 14.04, then later installed desktop and removed but now it cannot finish booting on the actual PC it just gets stuck before going to the default window but can have access ...
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2answers
23 views

Add a network bridge to Ubuntu and lost internet and lan connection

I'm trying to make network bridging to work on a Ubuntu 15.04 (I'm experimenting in order to make a QEMU/KVM virtual machine that will be visible to the outside network as if it were a distinct ...
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0answers
8 views

After a while cannot ssh to amazon aws ec2 machine

I've read several similar questions, and checked my username is ubuntu as I'm running ubuntu instance, my pem key is 400 permissions and .ssh folder is .600 ssh -i ~/.ssh/my-key.pem ubuntu@myserver ...
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1answer
41 views

How can I find my Teamviewer ID via SSH? [duplicate]

So I tried doing this command root@server:~# teamviewer --info print version, status, id TeamViewer 10.0.35002 teamviewerd status teamviewerd start/running ...
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1answer
21 views

Tomcat 8 installation

I am installing tomcat 8 to unbuntu 14.04 and have been following this tutorial: How to install Apache Tomcat 8 on Ubuntu 14.04 I'm at the stage of installing an upstart script in ...
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1answer
59 views

Limit/Throttle per user OpenVPN bandwidth using TC

I have a group of users connecting to my server via OpenVPN TCP and UDP (2 services). The two services are operating on tun0 and tun1 I'd like to be able to limit each user's bandwidth to say 5mb/s ...
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0answers
25 views

OpenVPN can't ping host outside local network

After an entire day spent to let openvpn's client get their ipv6 and ipv4 at the same time now i have a big problem. ipv4 works fine From my openvpn server i can ping6 every host From my openvpn ...
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1answer
38 views

how to upgrade openssl for apache 2.2.29 - still using old 0.9.8 version

I am running a 10.04LTE server where I do want to upgrade openssl for apache. Therefore I downloaded openssl 1.0.2c and apache 2.2.29 and compiled both. The server is starting, but is using the old ...
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0answers
19 views

Public SMPTS Relays [closed]

My ISP started blocking all traffic from and to port 25. Now I get a bunch of errors like this: Jun 23 09:45:01 nuts postfix/smtp[7937]: connect to ...
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0answers
10 views

Samba4 creates unnecessary acl permissions on new folder

I am using samba4 ad dc on ubunut 14.04. When User user1 in Group group1 is creating a new folder in the directory \ADS\sysvol\ads.dns\newFolder, then the folder has the following ACL: $getfacl ...
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1answer
14 views

vsftpd on ubuntu gives FAIL UPLOAD

The big picture is this: I have an SD card for my camera that uploads my photos over WiFi to a server using ftp. What I want, is to have those photos uploaded to a little ubuntu box I've got. For ...
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1answer
27 views

Elasticsearch network.bind_host and network.publish_host

I have a 4gb ram machine that works as a DB server for a ios/webapp. On that machine I only have Elasticsearch and MySql installed. What I want to do now is to only allow connections to ES from two ...
0
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1answer
19 views

How to get list of domains pointed in unique IP

I want to know this is possible that i can get whole domains list which is pointed in unique (same) ip address example: i have ip 000.000.00.00 now i want to get whole ip list which is pointed in ...
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1answer
21 views

Forwarding all traffic coming into eth0 on host to eth1 on LXC container

I'm trying to monitor all the traffic coming into my computer using software running in an LXC container. The software on the LXC expects to be monitoring eth1. Thus, I would like to Create an ...
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0answers
24 views

Restore MySQL from files

I had an old server die that hosted a Wordpress site. I have rescued the files that lived on it but I am having trouble getting the database to work on the new server (they use the same MySQL ...
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0answers
12 views

server behind cisco tunnel, some windows clients can't connect

I have the following scenario: I have a ubuntu 14.04 linux server with apache web server and samba the servers network is 192.168.1.0 I am accessing the server from a remote site (site's network ...
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0answers
13 views

dhclient vpn_tun0 causing internet disconnect after upgrade to ubuntu 15.04

A few weeks ago I installed softether vpnclient on my ubuntu 14.04 laptop and vpnserver on an ec2 instance. The server uses softether secureNAT and the softether dhcp server. My client produces an ...
0
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1answer
27 views

Docker container can not access hosts behind VPN

I have a VPN gateway which allows remote access to a network with subnet 171.30.0.0/16. I have a local machine setup with ubuntu 14.04 and strongswan which connects to that VPN server using IKEv2 RSA ...
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0answers
16 views

Stucking qemu-kvm process

What i have: CentOS 7.1 as KVM host - Xeon E3-1200 v2, 32GB RAM, with and without dedicated raid controller (i tried both options) 3x Ubuntu 14.04.2 as quest VM (3 CPU, 512MB RAM on each VM) host ...
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1answer
16 views

Squid server issues after upgrade (Ubuntu 14)

We have upgraded a squid proxy server from a previous version of Ubuntu (Can't recall what it was sorry) to version 14.04.2. Now it appears Squid will not start / VM's can not reach internet through ...
0
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1answer
54 views

Ubuntu server, too many apache2 instances running maxing-out CPU

I am not into sys administration but I know when the server is maxed-out. All http requests take too much time to complete. I am attaching the "top" processes running at my server. Is this normal? ...
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0answers
22 views

AWS EC2 Ubuntu Server /etc directory Permission Change Accidentally

I have Amazon EC2 instance with EBS backed Volume.yesterday accidental change my /etc directory to chmod -R 777 .Now all the things stuck and then i create a new instance by taking it's AMI but still ...
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votes
1answer
36 views

Use Apt Inside AWS VPC Without NAT Instance

I have several Ubuntu machines inside VPCs. For many of them, the only network access they need whatsoever is for "apt-get update && apt-get upgrade" and NTP. For NTP, I can simply have an NTP ...
0
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1answer
77 views

Jetty 9 support for TLS_FALLBACK_SCSV

I've been trying to get that A+ on the SSL Server Test @ SSL Labs. However, I can't figure out how to pass the "downgrade attack prevention" test: I'm running Jetty 9.3.0.v20150612 alongside ...
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0answers
16 views

Upgrade PHP 5.6 using symlink on Ubuntu

I'm trying to upgrade to PHP 5.6 from PHP 5.4.34-1+deb.sury.org~lucid+1 on Ubuntu 10.04.4. I've tried upgrading through adding the repo and upgrading via "apt-get install php5" which installs the ...
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0answers
56 views

Why a VPN slows down LAN access?

We have an access server providing VPN to some of our clients and the workforce with laptops. They usually connect from outside of the office, and everything works fine. However, for simplicity and ...
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22 views

php script not executed from command line [migrated]

I'm unable to execute php scripts from command line. I have the following simple code in a file named test.php: #!/usr/bin/php print password_hash("rasmuslerdorf", PASSWORD_DEFAULT)."\n"; On ...
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0answers
30 views

Can not ssh to openstack instance using floating Ip address?

I've setup openstack using http://docs.openstack.org/developer/devstack/guides/single-machine.html machine has single Ethernet Port Eth0 With ip address 192.168.1.22 and i've created instance which ...
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0answers
16 views

Problems with route table with two nics on different subnets

I have an Ubuntu server with two NICs on two different vlans. Both nics are able to reach the internet. The server is an Ubuntu MAAS machine and therefore has pxe and dhcp and such. The DHCP server ...
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0answers
15 views

I cannot ping my server on PPTP vpn?

I have made a client server PPTP vpn connection on ubuntu. I can connect but cannot ping or ssh from my client to server or vice versa. IP tables server side #!/bin/bash # Set defaults. iptables -F ...
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1answer
27 views

unable to upgrade my php in ubuntu 10.04

I am trying to update my php from 5.3.10-1~lucid+2uwsgi2 (cli) to 5.4, but getting error. I am trying with the following command: sudo add-apt-repository ppa:ondrej/php5 but getting the error: ...
2
votes
1answer
16 views

apt: list required dependencies for deb package without installing it

For a build tool I'm writing (for which I'd like to implement a sort of dependency-caching system) I'd like to know what the missing dependencies for a .deb package are, without resorting to ...
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1answer
27 views

How to set default file permissions? [duplicate]

I have ran these codes: sudo chown -R / sudo chmod 755 / And now my server is not working. I need to get backup copy of MySQL database How can I fix it?