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

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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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5 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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8 views

Can't execute any command

I can't execute any command on my Debian server, for exammple if I try to execute "reboot" command I have this : root@server002:~# reboot -bash: /sbin/reboot: Input/output erro Or if I want to ...
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19 views

Recover overwritten RAID5 array (XOR)

as I've mentioned in a recent question (RAID5 rescue with LVM2 running on it) I'm rebuilding an RAID5 array. Now, I think that the initial wrong mdadm --create ... command has started the ...
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21 views

Unable to set a bridge over bonding on Debian

I have a Debian 8 Jessie machine with two interfaces (eth0 and eth1) bonded in balance-rr mode (aka 0). It works smoothly, but when I try to set up a bridge on it, it doesn't work. My ...
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29 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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53 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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20 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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17 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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42 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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10 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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25 views

Debian encrypted home directory setup fails

Here's the problem: # ecryptfs-migrate-home -u <user> INFO: Checking disk space, this may take a few moments. Please be patient. INFO: Checking for open files in /home/<user> Enter ...
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38 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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51 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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12 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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29 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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20 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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30 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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46 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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13 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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80 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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29 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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23 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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32 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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109 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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22 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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46 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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44 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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268 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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32 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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33 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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31 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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41 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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35 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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22 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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21 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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24 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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65 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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78 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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65 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 ...
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28 views

LDAP passswd command ask 4 new password

I know there is similar question but mine is a few different as I 'm using LDAP as identification and I'm running with debian wheezy (7) When my end user is using the passwd command for changing his ...
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18 views

Debugging libnss_ldap AD synchronization

I am trying to configure my Debian server to talk to an AD. I have a connection to the LDAPs port of the AD, and i can use LDAP search to connect and retrieve results. I can also see that the getent ...
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68 views

Exim4 doesn't add DKIM signatures

I cannot overcome a problem with exim - it's not adding DKIM headers to my outgoing mail. support:~# cat /etc/issue Debian GNU/Linux 7 \n \l support:~# dpkg -l|grep exim ii exim4 ...
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25 views

Why has MariaDB created database directories with @ in?

A backup script on a Debian server looked at /var/lib/mysql/*/ to find local database names. Having recently installed Seafile, this no longer works because although the databases are called normal ...
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23 views

Python in the debian-installer context

My broader question is about using Ansible to perform the late_command in a preseeded Debian/Ubuntu install. The specific question is, is there some straightforward or documented way to get a working ...
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33 views

Authenticating Debian against AD using only LDAP

I have been trying to set up a number of Debian machines to authenticate and authorize users against the Company AD. I am facing a problem however, the IT department will only allow connectivity ...
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70 views

`<domain> has no MX record` even though it's configured

I'm trying to set up a mailserver, but I'm stuck with configuring bind. I set the forwarders in /etc/bind/named.conf.options options { directory "/var/cache/bind"; forwarders { ...