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

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MySQL Replication: Slave I/O thread constantly dying and starting back up

I have MySQL running on Debian 5 (Lenny) between two MySQL databases. The data is being transferring between the two machines, but one of them is logging the fact that it's slave I/O thread is ...
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98 views

My Linux server crashes twice; Apache and system logs have portions of other text files

I have a web server that has been running pretty smoothly for years. Twice recently it has gone down for no apparent reason - the monit logs don't show any particularly high anything going on. CPU ...
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383 views

Trouble in deploing Solr on Tomcat and Debian

We have a Solr index application. It works very well on Lubuntu 10.10 (that's my local linux machine). But I could'n run it in hoster Debian 2.6.26-15lenny3 (gcc version 4.1.3 20080704 (prerelease) ...
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638 views

Why is my mono/XSP site loading slow?

I have two sites on the same server. One is loading perfectly and incredibly fast. The other is an equally complex site except a bit less javascript and 0 images. Its taking several seconds to load ...
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98 views

How to clone a Debian package for a daemon?

I have to maintain several builds of nginx (with different sets of modules compiled in). These will be cloned from official package, with Replaces:/Conflicts: added, and will have different names ...
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11 views

Need all local traffic through Debian - Routing?

Been dealing with this for some hours now and my head are really spinning. So I got this cable network router (192.168.0.1) that Im trying to pass all my local traffic to. But I cannot for the life ...
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10 views

Debian apt install single package from experimental but keep original system upgrades

I'v installed xfce 4.12 on debian jessie from testing by adding the testing repo in /etc/apt/sources.list.d/testing.list File content: deb http://ftp.us.debian.org/debian/ testing main ...
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39 views

stack.sh - OpenStack installation failed

I think it's 45th time I'm trying to install OpenStack - I've tried all possible methods I know ( openstack-deploy, manual, stack.sh ) .. but I'm still getting some problem. I would like to have that ...
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30 views

Run shell script as Supervisord subprocess?

I have a Django 1.6.2 application that uses Celery 3.1.7 for asynchronous tasks. I'm starting my Celery workers using Supervisor. So far everything is working well except when I reboot my Debian 7.8 ...
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30 views

After upgrading to PostgreSQL 9.4, unable to connect from localhost

I have recently upgraded from Debian 7 to Debian 8 and from PostgreSQL 9.1 to 9.4. I am not able to connect to my database server even from pgAdmin III on localhost. I have in my postgresql.conf the ...
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52 views

Poor SSD I/O performance with rTorrent and Debian

I'm using a Dell PowerEdge R210 II server with Intel Xeon E3-1230, 32GB RAM DDR3, 2 x 480 GB SSDs SATA3, 2 x 1 Gbit network connection. I'm using both network connections at the same time (802.3ad ...
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14 views

Specific host file for interface with dnsmasq

I use a VPN on an interface, e.g tun0 (2.2.2.0/24), while the LAN network is on the interface eth0 (1.1.1.0/24). I use dnsmasq to route specific addresses to my LAN and these addresses have their ...
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12 views

Debian Squeeze booted into runlevel 6

I've just found a very strange issue. One of my Debian Squeeze systems has booted into runlevel 6. I'm not sure how. None of the services configured to run at the lower levels started up. This is ...
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41 views

Route Traffic For Specific IP Range Through Specific Network Interface

On Ubuntu 14.04. I need to route the traffic to specific IP ranges though a specific interface. route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref ...
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115 views

nginx + fastcgiwrap = 502 Bad Gateway

I'm trying to execute a cgi script on my web server. I'm running Debian 7.8 (wheezy), with nginx 1.8.0 and fastcgiwrap 1.0.3-3 (both installed via aptitude). Here are my nginx settings (taken from ...
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25 views

Auditing user commands with ip address

i have to set auditing system to my firm's server. Server runs Debian Wheezy. I'm working on "auditd" system on server. I have only two rule. # Log any command run on this system -a exit,always ...
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19 views

why does having ~/.ssh/id_rsa.pub cause GUI dialog asking for SSH password even though SSH_ASKPASS is empty?

How the problem started For some reason I did not have my id_rsa.pub file in ~/.ssh. So I copied it off one of my servers to ~/.ssh/ on my machine... so that I have it, so I can copy it to servers ...
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86 views

my squid proxy configuration always TCP_MISS

i have been trying for 2 days in my configuration but always same the result like this DIRECT/49.213.17.185 - 1429727403.426 22 114.125.72.213 TCP_MISS/404 228 HEAD http://dn.melon.co.id:8100/ - ...
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11 views

Defunct process Rev1112

We were having the following output in top on a Debian box on XenServer: top - 10:00:55 up 10 days, 24 min, 5 users, load average: 126.79, 128.96, 71.39 Tasks: 10382 total, 1 running, 4801 ...
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49 views

Port 3306 for MySQL closed

It seems that the port 3306 for remote MySQL access is closed on my server. In /etc/mysql/my.cnf I changed the bind-address setting to my remote IP already and restarted the server. A nmap scan of ...
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58 views

How to deploy single OpenVPN server instance with multiple unique “--config server*.conf” profiles?

How to deploy Single OpenVPN server instance with Multiple unique --config server*.conf profiles as service start|restart parameter ? Would you please share any tips to run one single Openvpn server ...
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14 views

Debian Linux Bridge Mode not forwarding

I am trying to bridge lan adaptor eth0 with the eth1 interface exposed by sierra wireless lte modem. When i create a bridge using the following commands brctl addbr br0 brctl addif br0 eth0 eth1 then ...
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39 views

Ebtables to setup forwarding and nat

I would like to use ebtables to perform the following 2 things without using bridge-utils SCENARIO I: I would like to forward all the packets received from eth0 interface onto the eth1 interface. ...
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26 views

Multicast on mGRE tunnels in Debian not working

I'm trying to setup multipoint GRE tunnels within 4 debian-based servers geographically distributed. Network configured, and hosts can see ping or ssh to each other by local IP. But I cannot get ...
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32 views

“eth0: link up” kernel panick on debian - DDoS attack or soft / device issue

A few hours ago my dedicated machine in Hetzner went down. I was thinking what that was DDoS attack, or Hetzner network problem. But my other machine was working fine. So i loggined into Hetzner and ...
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56 views

openswan initiating from wrong IP, but answers with the right one

I'm running a Debian 7.8 openswan 1:2.6.37-3+deb7u1 server with one external interface, but many different aliases : inet xxx.xxx.xxx.94/24 brd xxx.xxx.xxx.255 scope global eth1 inet ...
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14 views

Avantfax doesn't save archive in db

I have an avantfax server with hylafax with debian 7.8 and avantfax 3.3.3 When I send a fax, it appear in Outbox. However, avantfax doesn't archive anything and nothing was save in mysql. Can you ...
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15 views

Why does apcupsd not run commfailure when the usb is disconnected?

I've just setup a UPS on debian, and one of the tests the manual (http://www.apcupsd.com/manual/manual.html#windows-systems) recommends is a communications test. When I pull the USB cable out of the ...
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127 views

How to setup Debian Jessie to boot from broken RAID1

I want to setup Debian Jessie in EFI-mode with a LVM on an LUKS on a RAID1. I tried it with the Installer but when i remove one of the hard drives the whole system isn't booting any more. What I ...
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30 views

debian slow login after username entry

I have searched for an answer, and found resources about changing the delay after an incorrect password entry for an SSH login, but not to my specific problem. My problem is that the delay is after I ...
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34 views

IPtraf doesn't work with venet devices

I've got a VPS with Debian 7 Wheezy 64 bit. I installed the tool iptraf to monitor the network usage, but it seems that it doesn't work whit the device type "venet". So i lunched the command with the ...
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33 views

Mysql reports “unknown variable pass” after upgrading from 5.5.41 -> 5.7.5 on Debian

We have the following problem after upgrading MySQL 5.5.41 (pre-installed on our Debian Wheezy LAMP server from Hetzner) to 5.7.5 version (downloaded from mysql.com). After updgrading from the ...
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146 views

OpenVPN Server client-connect scripts aren't executed

I have an OpenVPN server up and running that (Windows) clients can successfully connect to. Now I'd like to share a luks encrypted partition with those clients. The goal is, that the server fetches ...
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26 views

megacli: Failed to alloc kernel SGL buffer for IOCTL

Today one of my servers started sending me alerts about non-optimal RAID state. These were triggered by a very simple script run by cron -- if it detects that not all of the disks report 'Optimal' ...
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65 views

kprop: Client not found in Kerberos database while getting initial ticket

I tried to set up two kdc with Kerberos 5: a master and a slave. I followed the instructions from the official docs: http://web.mit.edu/kerberos/krb5-latest/doc/admin/install_kdc.html But ...
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51 views

Wildfly Randomly gets killed

I'm with a weird problem that i tried everything and i couldn't solve it. I have a instance of Wildfly 8.2 running a JavaEE application that controls a CallCenter, this application use like 2 ~ 8 gb ...
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306 views

rcu_sched self-detected stall on CPU on Debian server

My server is online since October 2014. Debian GNU/Linux 7.6 uname -r 3.10.23-xxxx-std-ipv6-64 It was working fine till last night. Last night it bacame unresponsible. I rebooted it from dadata ...
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34 views

fail2ban WARNING invalid command on apache2 disabled websites

I have a problem on a Debian Squeezy webserver running fail2ban. Now and then, fail2ban stops working complaining of missing access.log: fail2ban.comm : WARNING Invalid command: ['set', ...
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38 views

SSH connection closes when entering password for repository I try to clone using git

I have a private repository that I store on Bitbucket, that I would like to clone to my Debian server. While I am SSH connected to the server, normally I would run: git clone ...
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37 views

lp printing crossdomain on local printer

How can files located on web server (.png or .pdf) be printed on local printer ? I have a DYMO LabelWriter 450 attached to a local POS sytem, running LAMP / Debian wheezy. Currently product labels ...
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22 views

How to package nginx with custom modules for ubuntu server?

I need nginx with a few modules that are not included with the packages available via apt-get. I have no problem downloading the source from apt, changing the build params and compiling a .deb file ...
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46 views

netcat not listening on desired port

When I want to listen on desired port on one server, I use netcat ie: nc -l 8888 Then I can verify the server is actually listening on that port: netstat -tlnp | grep 8888 tcp 0 0 ...
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43 views

Run php as CGI with Apache 2.4 on Debian returns not found error

I am trying to run php build from source as CGI. I've added this to apache config ScriptAlias /cgi-bin/ /usr/share/php54/bin/ AddHandler handle .php Action handle /cgi-bin/php-cgi virtual ...
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24 views

Init script only offers help suggestion

I modified the uwsgi init.d script for debian from the apt-get package download. This is the script I have below: #!/bin/sh ### BEGIN INIT INFO # Provides: uwsgi # Required-Start: ...
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22 views

New Debian 7.7 - Port has been forwarded but not working

i have a (in my mind) weird thing happening on a fresh Debian 7.7 I have opened a port and if i try to enter the port and ip on http://yougetsignal.com it says the port is opened but no matter what ...
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20 views

How to divert an already diverted file of a Debian package?

There is package A installing file X and Y. There is package B, which also tries to install (overwrite) the file X with different content and a new file Z. So in the preinst script it diverts the ...
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30 views

Masquerating with Sendmail and signing after with OpenDKIM

When I send mail from my accounts linked with my first domain, signing with OpenDKIM works great. But when I send mail with my accounts linked with my second domain, I use the genericstable FEATURE to ...
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68 views

How do I configure KVM guest to have Internet access?

I am trying to get KVM working on my Debian server and I am having a slight problem with networking with my guest OS (also Debian). The virtual machine is using the "default" network (without a ...
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87 views

Debian: unattended-upgrade does not reboot

I have basically the same problem as described in this question : unattended-upgrades does not reboot On my Debian wheezy I installed unattended-upgrades which correctly upgrades my packages every ...
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78 views

Apache 2.2.2 (Debian) mod_rewrite with mod_proxy removes the query string

I try to setup a reverse proxy configuration based on query string rewriting with Apache2, mod_rewrite, mod_proxy (and also mod_auth_cas, but I don't think it deals with my problem). The request flow ...