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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36 views

ceph - can't start osd on rebooted cluster host

I've rebooted the server (one of ceph's hosts). Started the cluster, but the osd, that's on the host, which was rebooted is down. The osd's # is 2, so when I try: sudo /etc/init.d/ceph start osd.2 ...
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0answers
72 views

ssh login timed out after enabling the ufw firewall ubuntu server

I followed digital ocean tutorial to enable the firewall in my ubuntu server. The steps I performed is: 1> change the port no to some other no. (8338) 2> enable firewall using sudo ufw allow ...
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2answers
95 views

Ubuntu 14.04 HVM on EC2 t2.medium

I've searched everywhere but can't find a definitive answer: Is there an official Ubuntu 14.04 AMI for HVM that runs on T2.medium? (Or T2.any, actually) It looks like the answer is "no". So the ...
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0answers
15 views

Apache James: eval: /opt/james/bin/./wrapper-linux-x86-32: not found

I'm setting up a James server for the first time. I'm using 3.0-beta4. After I copied the binaries to /opt, I tried running it: neonorb@neonorb /opt/james/bin % ./james start Starting Apache James ...
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2answers
65 views

Mail Server Can't Receive Email But Can Send Email - Postfix, Dovecot, Postgresql

I have server where I want to set up a mail server to let me receive and send email from my domain. I'm currently having a problem where while I am can not receive mails. Sending emails works perfect. ...
1
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0answers
79 views

HTB scheduler unexpected behaviour, low priority traffic starving high priority traffic

I am working on assuring low delay for UDP traffic at the home gateway level. At this home gateway I have two types of traffic, TCP and UDP, and I assure differentiated treatment by using HTB. The ...
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0answers
13 views

Meteor app 403 forbidden

I have a meteor app which runs locally but on my linux ubuntu with nginx and passenger webserver it gives a 403 error. I have changed the permission for the meteor and followed this simple guide ...
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0answers
22 views

Timestamp in nginx logs changed after upgrading from 1.4.6 to 1.8.1

I have set the nginx timezone in /etc/init.d/nginx: export TZ='Asia/Kolkata' and the timestamp in the logs was working fine. Later upgraded the nginx to 1.8.1 from 1.4.6 and see the log timestamp ...
1
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0answers
27 views

FTP acount for every system user

I am for the first time venturing on server configurations, I'm using Ubuntu. I created a script that I give a domain name and a password and that automagically makes the following functions: User ...
2
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2answers
40 views

sshd_config how to allow one user to have full unrestricted sftp and allow ssh

I changed sshd_config to jail users within specific group into their home directory. changed subsystem to sftp internal-sftp and used forcecommand: internal-sftp However, this prevented the admin ...
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2answers
154 views

“sudo apt-get install php7.0-dev” not working

I am trying to install Xdebug to server and pre-requisite in tutorial I am following is php5-dev but I am using php7.0.5 so I tried sudo apt-get install php7.0-dev. It gives me Reading package ...
6
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3answers
204 views

Conflicts with PAM configuration files when upgrading system

I have a VPS that runs Ubuntu 14.04.4 LTS; it was installed as a whole with Plesk by OVH. I juste did a apt-get upgrade, and at some point I had a message regarding PAM. The system is in French, but ...
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1answer
74 views

How to create RDNS (Reverse DNS) [closed]

How to create a RDNS (Reverse DNS) in centos or Ubuntu [PTR record] I searched a lot in Internet and didn't find any solutions. I got a idea it can be done by BIND or BIND9. In some forum i seen ...
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0answers
9 views

nodejs isn't accessible on command line

I am using Ubuntu 14.0.0 and I have installed the node with the below command curl -sL https://deb.nodesource.com/setup_4.x | sudo -E bash - sudo apt-get install -y nodejs and I can see the node ...
1
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1answer
90 views

Server is often slow to serve webpages and takes long to ssh into

First of all, I am in no way a professional running a server for about two years from home, so keep in mind that the cause to my problems can be very basic and with a simple solution. My problem is ...
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0answers
22 views

NGINX Problems in redirect from “/” to “index” when non secure

I've got a personal website running up and going. I've rented a cloud ssd server and configured nginx on it to serve content. All the content which has to be served directly is in the path ...
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0answers
25 views

connecting via plain ftp from vsftpd

I have a vps running ubuntu 14.04 on digitalocean. I set up vsftpd and am able to connect via sftpd from winscp or filezilla. Transfer files without a problem and so on. But when I decide to connect ...
0
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1answer
23 views

ioncube not working with php-fpm nginx

php version: PHP 5.5.9-1ubuntu4.14 (cli) (built: Oct 28 2015 01:34:46) Copyright (c) 1997-2014 The PHP Group Zend Engine v2.5.0, Copyright (c) 1998-2014 Zend Technologies with Zend OPcache ...
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1answer
95 views

I think I'm Hacked. MySQL Server Too Many Connections Made my Server CPU load 100% [closed]

I'm having a very urgent problem. Suddenly today My Server can't send email, after i checked out the log turns out there are many errors from MySQL which says too many connections. I checked out my ...
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0answers
22 views

Strange connectionproblems with a samba server

I am at my enterprise which dose not have the best equipment. We recently implemented a new samba server into the network. The server itself (Hardware wise) was already in use but the samba software ...
0
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0answers
37 views

slapd: Disable wildcard search on LDAP-Attribute

i run a ldap server on a ubuntu machine (apt-get install ldap ldap-utils). The ldap server provides a kind of a global address-book. Each entry provides basicly the attributes title, givenname, ...
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0answers
50 views

Error on restart apache in Ubuntu

Please help me with this, i get this error when i'm triying to restart apache on ubuntu: * Restarting web server apache2 ...
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1answer
58 views

Ubuntu Server IP address not listed in ifconfig

I am not sure why the command "ifconfig" did not show my IP address, but I was still able to reach other hosts in the same network. It happens too many times to me and I did try to search but no luck ...
0
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1answer
28 views

Kernel errors with 3.13.0-71-generic

After upgrading several hosts to Ubuntu 12.04.5 LTS with the LTS enablement stack (linux-generic-lts-trusty 3.13.0.40.35), we are seeing a sudden spike in kernel errors. These only begin to occur ...
1
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1answer
86 views

Trying to install CloudWatch Agent on Ubuntu 14.04: “Failed to create virtualenv”

I am trying to install AWS CloudWatch Log Agent on Ubuntu 14.04 following this guide: http://docs.aws.amazon.com/AmazonCloudWatch/latest/DeveloperGuide/QuickStartEC2Instance.html When I type in ...
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0answers
24 views

How to install Ubuntu ARM image with virt-install

How do you use virt-install to create an ARM virtual machine for running an Ubuntu ARM Raspberry Pi image? The docs are unclear to me, but from reading the manpage and looking at several examples, I ...
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1answer
34 views

How to set a timezone of an E2 instance?

I have a Ubuntu server on Amazon AWS EC2. When I log in there, I see there the following system information: System information as of Mon Apr 11 06:42:30 UTC 2016 I am currently in LA, CA - so ...
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0answers
14 views

uWSGI process switching to root user after starting?

I got a vanilla flask/uwsgi/nginx setup on ubuntu 14.04, with the wsgi app started with an Upstart script with uid:guid set to www-data, and no virtual env The uwsgi init file: [uwsgi] base = ...
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0answers
18 views

sending email from ubuntu to *@gmx.de always fails [duplicate]

I have a ubuntu server which has capability of sending emails irrespective of the domains. But when ever i try sending email to say myemail@gmx.de, it fails. I don't see any specific content to ...
0
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0answers
6 views

apache2 not listening in ipv4 address in linux [duplicate]

I added Listen 0.0.0.0:80 in the end of apache2 configuration file /etc/apache2/apache2.conf. Then Restarted apache2 by using service apache2 restart. The netstat | grep apache command result is given ...
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1answer
43 views

Wordpress + PHP+ apache +mysql, mysql crash every 1/ month [duplicate]

On a server i have multiple rails apache + postgres apps and a mysql + php. The only PHP app is a wordpress. Except for wordpress everything runs fine. Every 40-50 days, mysql stop to work. Here is ...
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0answers
47 views

What could cause system failure in sysctl and how to test values safely?

On AWS ec2, ubuntu t2.micro. I tried implement suggested improvements in sysctl listed here: https://gist.github.com/devster31/5900ab23b50a5a57f025#file-sysctl-conf and also added from other ...
0
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2answers
66 views

windows can't find ADDC

so my problem is this I have 3 servers: Server A: running ubuntu 14.04 with openldap and samba Server B: running ubuntu 14.04 with bind9 and dhcp (dns server) Server C: client windows 2008 Server ...
0
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1answer
19 views

Start stopped service because of dependency update

I have two systemd services: postgresql.service and app.service. postgresql.service is distribution provided (ubuntu 15.10) and app.service is written by myself. Since app needs postgresql, the ...
0
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2answers
33 views

Cannot increase maxclientsperip on pure-ftp running on Ubuntu

root@www:~# cat /etc/pure-ftpd/conf/MaxClientsNumber 100 root@www:~# cat /etc/pure-ftpd/conf/MaxClientsPerIP 50 Restarting ftp server: Running: /usr/sbin/pure-ftpd -l ...
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votes
1answer
40 views

Unable to use SFTP via FileZilla?

I created a Linux VM on Microsoft Azure via this blog Creating secure Linux VMs in Azure with SSH key pairs In summary it simply says: openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout ...
0
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2answers
67 views

MySQL stopped running on Ubuntu: Can't change to run as user 'mysql'. How to save data?

Today out of the blue stopped running MySQL on a Ubuntu server. When I try to log in there, I get this error: ERROR 2002 (HY000): Can't connect to local MySQL server through socket ...
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0answers
56 views

PHP7 “fails” Intermittently - 502: bad gateway

I am running Ubuntu 14.04 with PHP7.0-fpm (from the Ondrej/php PPA). PHP now randomly fails, and by fail I mean serving a 502/504 error, the processes themselves are still running. It is sitting ...
0
votes
1answer
31 views

ufw & iptables confusion

I have previously added some netfilter rules via iptables. I'd now like to manage these rules through ufw and to simplify things I wanted to get rid of the current rules and start afresh as if I was ...
0
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0answers
34 views

NFSen - init.d script not working but it can be run manually

I recently installed NFSen to get the NetFLow from our Cisco and the application is working fine if I launch it manually with /etc/init.d/nfsen start but it does not start the processes automatically ...
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0answers
13 views

changing MongoDB process user on Ubuntu

I'm writing an installation/configuration script for MongoDB. I want to change the user account under which mongod will run. Looking at /etc/init/mongod.conf I see this line: ...
0
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1answer
15 views

How to force connection only from hostname to specific ports?

I'm running a few dockerized applications on a Digital Ocean server behind an nginx reverse proxy, this one to be exact: https://github.com/jwilder/nginx-proxy. I have it configured so that ...
0
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0answers
17 views

How can I debug frozen processes on Linux?

I'm running an ArmA 3 game server on my Ubuntu 14.04LTS box. Ever since the box was moved to a new data center, the game server has been plagued by a random freeze issue. When this happens, the ...
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2answers
20 views

Create restricted user on Ubuntu

I need to grant guest SSH access to some user to review our server. He could: access only /opt/www/ folder (and subfolders) can list folders but can't read files content can't edit/create files ...
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1answer
47 views

ubuntu network manager openvpn overwrites default route

I am running VPN server on aws account which hosted under Account A. I have another aws Account B, where I have a Ubuntu ec2 instance. On this instance I have installed Openvpn and configured client ...
17
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4answers
2k views

What is NTP dispersion and how do I control it?

We roll out Ubuntu 14.04 servers on isolated networks, running ntpd 4.2.6p5, configured to use multiple NTP servers as provided by customers (no access to pool.ntp.org). Our dumb terminal client ...
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votes
1answer
112 views

Step by step configuration of Ubuntu server for LAMP with remote FTP/SSH and GIT access [closed]

This is the first time I had to configure an Unix Server as a remote server for a website based on LAMP. It also need to offer SFTP and GIT support. I read a lot of guides and I wrote down all the ...
0
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0answers
85 views

Flat LXD network?

I have a rather simple network setup, and from what I see LXD defaults to veth networking model, I was hoping for a simpler flat networking (external DHCP, direct access to external LAN) to run ...
0
votes
2answers
52 views

Apache2 logs are not rotating

My apache log files on my Ubuntu 14.04 machine in the /var/log/apache2/ do not seem to be rotating. I had this problem in the past and had to manually rotate the log file, but it looks like it still ...
0
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1answer
65 views

Docker persistent volume

To deal with data going away once the container is shut, I'm trying to implement a command to mount a persistent volume. That way, people can swap the containers(for upgrades, etc) aggressively ...