Debian is a popular and influential GNU/Linux distribution. Questions here should generally be about Debian Server.

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How can I perform mass provisioning of Debian Guest VMs on XenServer?

There are a number of tools for provisioning physical and virtual servers, but I can't see a well documented solution for provisioning XenServer Debian guests, apart from using XenCenter itself. With ...
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54 views

Postfix server rejecting sender address

I installed a mailserver (postfix / dovecot) on my Debian Wheezy system and cannot send mails. Since I just want to administer a mail server and don't have a domain yet, I'm working with the external ...
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18 views

NIS on mulithomed system serving two separate subnets, with two different dns domain names

We have problem with setting up NIS and using one NIS domain in two separate networks. Our current setup is as follows: We have one computing cluster with 20 PCs in a local subnet (192.168.0.0/24, we ...
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26 views

Debian ethernet interface goes down while streaming video

While streaming video FROM a debian box to the rest of a network, I regularly see the ethernet interface go down on this box after a couple hours of streaming and it doesn't come back up until the box ...
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100 views

systemd user units and debian wheezy

I'm running a debian wheezy server and switched to systemd by installing systemd-sysv. So far everything works as before. Now I want to allow users to run/ manage their own units/ daemons with ...
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89 views

Force all traffic from one user through an OpenVPN tunnel on Debian 6 with iptables and ip route

I’m trying to force all traffic of one user through an OpenVPN tunnel. It is giving me grey hairs. The current situation is that I can either allow all traffic for this particular user, and it will go ...
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57 views

How to upgrade from Postgres 9.1 to 9.3 allowing read access during upgrade

"PostgreSQL 9.1.2 on x86_64-unknown-linux-gnu, compiled by gcc-4.4.real (Debian 4.4.5-8) 4.4.5, 64-bit" is working in Debian 6.0 Squeeze It contains 12 databases accessed by 100 users from internet. ...
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146 views

web server on a proxmox container using dns server on proxmox

Some background: I've got a little problem here. I have Promox installed on my primary server on which I've configured manually my DNS server with BIND9 with the domain example.com and works fine ...
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19 views

Compare package versions of different debian releases

I installed a server using debian-testing (jessie). Well, I regret it. They already broke the complete system twice because systemd suddenly required additional kernel features. And I don't want to ...
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66 views

rsync termiates after a while unexpectedly

I run a rsync command with nohup in ssh session, but after a while it returns this error: rsync error: received SIGINT, SIGTERM, or SIGHUP (code 20) at rsync.c(549) [generator=3.0.9] rsync error: ...
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252 views

Seafile Server on Debian with sqlite + apache - fastcgi: connection timeout, incompelte headers

Introduction: I am trying to set up an Seafile server on my Local Network(later reachable by portforwarding through router). I followed the official manual but couldn't get it to work with Apache. It ...
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24 views

use PHP over FastCGI instead of mod_php

I have a debian wheezy server with apache. Generally I want to use PHP as a apache-module. But on some virtual hosts I want to use PHP over FastCGI instead of mod_php. How can I switch off mod_php on ...
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87 views

libc/libcstdc++ issue - GLIBC_2.18 not found

After some package update on my Debian (Sid) machine I started to experience errors like: Error message from server: ERROR: could not load library "/usr/lib/postgresql/9.1/lib/postgis-1.5.so": ...
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26 views

Rebuilding raid1 array fails device busy

I had a hard disk fail on my server, so I got the provider to replace the hard disk. Unfortunately I forgot to do mdadm /dev/mdX --fail /dev/sdaY for the disks. Now after a reboot, I get this: ...
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48 views

How can I log and maybe even block IPs that send lots of incoming UDP traffic?

we run a voice / teamspeak server which receives legitmate traffic on port 9987 from many ips. Sometimes we get DDoSed. So people use single Servers and send 1-3 Gbits of UDP Floods to that port. This ...
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68 views

Debian DHCP for voip option 66 using tftp

I have configured my tftp and I am able to send configurations from the windows server when it runs dhcp option 66 tftp to my server but when I try to do it from the debian isc-dhcp-server I get ip ...
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57 views

Linux on Hyper-v network errors

I have Hyper-V 2012 on HP DL320 G6 I've installed debian 7 i386 on, added two network adapters and configured it as router for my local network. I found out that sometimes wan interface generate ...
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31 views

All my subdomains linked to the same DocRoot

i wand to enable some sub-domains in my apche2. I created some vhost files but i always get the same page on every sub.domain. If i enabled only one of the files i get the page of this DocumentRoot... ...
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27 views

Securely restrict access to a private Debian repository *without* giving shell access

Is there any way to securely give access to a Debian repository, without also giving shell access? I do not want passwords passed in clear text, so the ftp and http transports are not adequate. My ...
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53 views

Debian forward through NAT EOIP GRE

eth0 = WAN eth1 = LAN to forward any port through nat I use e.g: iptables -t nat -A PREROUTING -p tcp -d 79.188.31.34 --dport 8291 -j DNAT --to-destination 192.168.0.36:8291 and it works, but ...
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18 views

Ubuntu private repo packages being rejected

I'm running a private apt repository on Ubuntu 14.04 where I publish packages and internal servers install them. Unfortunately a few days ago when adding packages to the repo it's been putting them in ...
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77 views

Setting up a firewall to route between interfaces on a gateway

I've been trying to setup a firewall on my debian gateway with iptables. The gateway is connected to a a network 12.120.0.0/24 on eth0 behind a NAT and the subnetwork behind it is 12.120.4.0/24 eth1. ...
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80 views

hostapd virtual wlan interface no ip from dnsmasq

I have installed hostapd and also dnsmasq to ppovide dhcp only. On the virtual interfaces i do see the ssid and all. So hostapd seems to work fine( although i am not sure). When i try to connect to ...
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704 views

How to mitigate error “kernel: nf_conntrack: table full, dropping packet”

We recently had a problem with one of our servers (Debian Squeeze) becoming unresponsive during heavy-ish load. Looking at the kernel logs, I think this is the cause: kernel: nf_conntrack: table ...
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37 views

Install amphp / thread on a Debian Wheezy 64 bits

I'm trying to install a multi-thread PHP system on one of my server. After a few readings, the simplest solution seems to use Pthreads with an Amp\thread implementation ...
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10 views

Debian package only copy and extract don't try to build from source

I try to make a deb package which simply extracts and copies the content of the bin directory to the bin. How can I tell debhelper not to look for the .tgz source file and try to compile it? My ...
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11 views

Cannot add ssh keys in cloudstack

I used this guide for use ssh keys in cloudstack. https://cloudstack.apache.org/docs/en-US/Apache_CloudStack/4.2.0/html/Installation_Guide/using-sshkeys.html I'm using a debian instance. Once I run ...
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45 views

Freshly installed Apache 2.4.10 is failing to construct Debian-style configuration layout in Debian

I'm on Debian 7. Just built 2.4.10 from source and I'm trying to get the Apache configuration to appear in /etc/apache2 in the typical Debian distro layout as described here; however, when I set the ...
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138 views

SSH login with LDAP users over NSLCD works after restarting server

I have a working nslcd setup running on many servers. I distributed this config to many servers almost all of which are working without problems. However I forgot to install libnss-ldapd and ...
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52 views

How to modify environment variable in Apache for CLI

I have a Zend framework 2 application which needs to be configured through an environment variable. On my local host (Windows) for example I set APPLICATION_ENV = local and with ...
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80 views

debian redis update-rc.d errors - there is a loop between redis and nginx

I tried to install redis as a service in debian 7 wheezy(redis version 7) by following the instructions from http://redis.io/topics/quickstart but after running sudo update-rc.d redis_6379 defaults ...
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96 views

Apt-get install removed packages

During a puppet run, ia32-libs was installed, this seems to have caused several packages to be uninstalled but I'm not sure why.. Can anyone shine any light on the matter? Here's the apt log entry: ...
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213 views

mysql-server : Depends: mysql-server-5.1 but it is not going to be installed

I want to install MySQL on Squeeze (Debian), but I get this error message from apt: mysql-server : Depends: mysql-server-5.1 but it is not going to be installed I have tried to use a different ...
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43 views

Why might debian become unresponsive with virtually 0% CPU usage?

We have a problem with one of our (virtual) Debian servers failing in a strange way. The server will stop responding to to the network (no SSH, no Ping response, no app response). The only way we ...
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92 views

Dual homed Linux host (Debian/Ubuntu) using DHCP

We have an Ubuntu server with 2 NICs. Each one is on a different subnet. Besides there's a third subnet. Clients sit on all three subnets. All clients should be able to talk to both server IPs so we ...
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115 views

Proxy / Squid 2.7 / Debian Wheezy 6.7 / lots of TCP Timed-out

I'm facing a lot of TCP timed-out on a busy cache server and here below my sysctl.conf configuration as well as an output of netstat -st Kernel 3.2.0-4-amd64 #1 SMP Debian 3.2.57-3 x86_64 GNU/Linux ...
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179 views

phpmyadmin / nginx : unable to log in

I'm setting up a server with Debian 7.6 I have installed nginx, mysql, php-fpm with apt-get (from dotdeb) The basic setup is working fine, but I want to have things running separately in chrooted ...
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34 views

Corosync zombie/defunct processes

We have one server where it periodically occurs, that corosysc suddenly generates zombie/defunct processes. Corosync is working fine for a couple of hours but then suddenly it generates processes ...
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41 views

Partition does not mount with ACL option

Debian 7.5 : Installing package acl I've edited /etc/fstab and added the acl option to / I've remunted the partition to avoid reboot by doing sudo mount -o remount,acl / Problem : The mount command ...
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66 views

debian bringing all interfaces down when one is a vlan

I have two physical NICs, one has a VLAN hanging off of it. When I run ifdown -a it starts bringing interfaces down, and then stops when it gets to the VLAN interface. This seems like a bug, but maybe ...
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43 views

Varnish “it works” page on all domains

I installed Varnish on my virtual server(Debian 7.0 x64) Digital Ocean and I followed their tutorial here. The problem is that on all my domains and subdomains, I get the it works message. I tried ...
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68 views

“ifup eth0” causes dhclient to bring up more than one interface

Can someone tell me why dhclient is not respecting to only handle the one interface it has been passed? I've seen this multiple times over the years; never figured it out - it's not related to ...
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71 views

Configuring Samba to allow access from a DDNS domain IP

I have a Debian VPS which I host a website from. I set up a Samba share to enable me to edit website files from my Windows 8 computer. For security I set up a username and password, also I set 'hosts ...
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28 views

Making proxies on Debian

Hi guys I am trying to create SOCKS Proxies on my VPS and currently am not getting too far so any help is well appreciated. Here's a few details on my VPS: It is running Debian linux, has 512mb ram ...
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71 views

Debian wheezy TKL (Turnkey Linux) missing php5-fpm conf

I have used a TKL AMI on an EC2 instance to quickly create a NGINX / PHP box. Details of the image are on the Amazon marketplace. It mostly works just as I'd expect it to except for a small caveat - ...
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78 views

IP failover on Proxmox

I have a dedicated server with OVH and I have ordered IP failover. Now I'm wondering how to add them to my Proxmox installation, I tried to add a network interface with a new ip but it didn't work. ...
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130 views

Preseeded RAID partitioning seems wrong

I'm trying to preseed an installation of Debian on a system with 12 HDD. Each drive have : a 1M GPT partition a 300MB RAID 1 /boot a 20GB RAID 6 / remaining space on a RAID 6 /data partition It ...
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47 views

Incorrect mime type for CSV returned by file -i

On debian the file -i command is returning incorrect information for CSV files, when I run it the mime type is returned as below. $ file -i courses.csv courses.csv: text/plain; charset=utf-8 I've ...
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132 views

openVPN on TCP 443 + sniproxy only for certain IPs - is it a way to do it?

I'm currently running sniproxy and https server. If user is known (IP is known) iptables just allows connection to sniproxy which redirects user to desired website or local https server (127.0.0.1 ...
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24 views

ssspl proxy server not working

So I install sss.pl following the guide found here http://ssspl.sourceforge.net/#install And when I run the line ./sss.pl 456.234.234.23 1080 WillB:ae2b1fca515949e5d54fb22b8ed95575, I get an error ...