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

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Debian don't forward through L2TPv3 more than mtu l2tp virtual interface

R3--R1--Internet--R90 R3: ip addr 10.123.0.3 R1: sudo ip l2tp add tunnel tunnel_id 699 peer_tunnel_id 699 encap udp local 5.254.174.8 remote 5.254.174.90 udp_sport 699 udp_dport 699 sudo ip l2tp add ...
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48 views

Non-ASCII filenames are being broken in Jira on Debian

I have an old Jira 3.12 installed on Linux (Debian, 6.0.4). The encoding in OS is setup to UTF-8. My problem: if somebody adds an attachment with non-ASCII symbols in its filename, it is created ...
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1answer
75 views

Trying to install rSync 3.x on debian 4 etch

Whenver i use the official debian source link, and run the apt-get install rsync Debian automatically install me the rsync version 2.6.9. I can confirm with the following command : rsync ...
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458 views

Client successfully connects to OpenVPN server but with no internet access over the VPN

I'm trying to setup OpenVPN with static key authentication(instead of TLS) on TCP port 443; but the client cannot access the internet over the VPN after connecting to the server. Here's my current ...
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0answers
40 views

Squid limit all user to 128kbit/s

I have a very odd behaviour with my squid server. It limits every client to a bitrate of exactly 3,2 Mbit/s... To troubleshoot it, I've tried to set the bitrate limit to unlimited and to 128kbit/s ...
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44 views

periodic connection timeouts to nginx server

We have the following setup: One nginx server as a loadbalancer in front of four worker application servers. The nginx server get about 100 requests per second, sometimes more that that, active ...
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0answers
50 views

Virtuall Manager : CentOS Guest Install Garbled Text

I'm trying to install CentOS 6.5 with virtual manager but the menu is garbled. Host machine is running on Debian Wheezy. Thank you in advance.
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149 views

Keepalived configurations

I installed keepalived on two firewalls to provide fail over. I'm not sure if the following configurations are correct (see configurations below). Sometimes I have problems to reach the websites ...
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2answers
144 views

2.6 Backports for Wheezy

Why can't I find 2.6 kernel images in the wheezy backports for Debian Wheezy? Does anybody knows any unofficial mirrors I can just add to apt? Thanks.
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1answer
149 views

debconf is ignoring my default anwsers

I'm trying to set default anwsers to debconf to automate exim config. I'm setting up new values with debconf-set-selections, but debconf ignores it. I'm puzzled. Here is a short copy/paste of my ...
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1answer
41 views

How do I find what PHP script is changing the file

I have apache installed with mod_php PHP5. I've been able to find out that apache process is changing my .htaccess and index.php files in /var/www directory. All files in this directory are owned by ...
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1answer
145 views

Debian WPA2-Enterprise (Network-manager) 802.1X no prompt for certificate?

I set up an access point (AP) with PEAP (Freeradius) 802.1X authentication and trying to connect the following: iOS: Automatically provides the certificate to the onscreen user. Windows: ...
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1answer
37 views

skip 2 steps verification when there is ssh key Debian [closed]

I had installed 2 steps verification on my server using this great manual: http://support.jpgottech.com/knowledgebase.php?article=72 Everything works great but I had encountered a small issue, I want ...
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42 views

Kerberos credentials cache dates reported differently in Debian Squeeze and Debian Wheezy

I have two Debian servers which use same LDAP/Kerberos server, but dates in output of klist on them shown in different format - mm/dd/yyyy on squeeze vs dd/mm/yy on wheezy. Looks like they just use ...
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0answers
82 views

Debian 100% cpu every 30 minutes but not loggable?

I have a Debian 7 x64 machine running with Digital Ocean that has every 30 Minutes a 100% cpu usage for about 1 minute. A couple of days ago it stayed there for a couple of hours so the server finally ...
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1answer
309 views

Why does debian not set the pam module called pam_limits.so in the file /etc/pam.d/su

I am using debian version 7.4 The /etc/pam.d/su file there does not enable pam_limits.so the snippet is: # Sets up user limits, please uncomment and read /etc/security/limits.conf # to enable ...
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0answers
165 views

Debian: how to install a 64 bit package using apt?

I am migrating my system to 64 bit and the debian wiki suggests to first debootstrap a 64bit into a directory, then collect all 64bit packages and install them but this doesn't work. To install 64bit ...
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1answer
22 views

(initscripts) Execute a command, if the command does not complete in 10 seconds, run another

On (Debian) Linux I want to: Execute a command. If the command doesn't complete in 10 seconds, kill it and try another command. The use-case is: I have a daemon service which I would like to shut ...
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0answers
40 views

nginx proxy_pass directive acting up on OSX?

I have the following lines in my nginx.conf on my Mac: location /addPat { resolver 8.8.8.8; proxy_pass http://some_url:8080$request_uri; proxy_http_version ...
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1answer
88 views

Mirroring apt repository over ssh

We have a apt repository running to distribute upgrades for our software. The repository is accessed over ssh and a public key authentication: deb ssh://repo.server.com/dist stable As the download ...
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2answers
487 views

I/O Errors but no smart or ZFS errors

I'm having trouble to identify a problem for a friend of my. He is running ZFS on Linux with the Debian distribution. We are getting these entries into the dmesg. [273044.834151] mpt2sas0: ...
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22 views

Which dependencies are removable after building ruby?

I've successfully built ruby 2.1.1 on Ubuntu/Debian by installing the following dependencies: apt-get install \ autoconf \ bison \ build-essential \ libssl-dev \ libyaml-dev \ ...
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1answer
162 views

Correct Permissions VPS /var/www

This is a repost of an "off-topic" question on stackoverflow. My scenario is: I created a user and added that user to sudoers: visudo user ALL=(ALL) ALL Then sudo adduser user www-data and ...
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1answer
288 views

What am I leaving out in enabling CGI execution under Apache 2.2?

I have a fresh Debian installation (if that's not an oxymoron), with Apache 2.2.x which I am migrating to after using Ubuntu Saucy and Apache 2.4.x, and I'm pulling my hair out about why ...
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1answer
87 views

Linux - reverse proxy - What is the easiest tool for powerful reverse proxy?

I am setting up a domain with a set of URLs per customer (customerx.domain.com) on a set of Debian servers. What is the best tool to redirect incoming requests to different servers and/or different ...
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578 views

XenServer IP Failover OVH not working

I have got problem on XenServer with IP FailOver in OVH. I did everything what is in this official tutorial http://help.ovh.co.uk/BridgeClient and IP not working. On my VM is Debian 7 64bit I set MAC ...
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0answers
160 views

Massively large number of packets dropped by interface

I have a virtual machine on ESXi 5 acting as a firewall for a PBX, it is running vyatta. When I run tcpdump on any interface, I get some ridiculous numbers! e.g. 4 packets captured 402 packets ...
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1answer
106 views

Something (but not iptables) mysteriously redirects network traffic - how to diagnose?

Summary There is a virtualbox host (1.1.1.5) and a routed guest (1.1.1.6). Something redirects any traffic on port 25 with the guest, whether ingoing or outgoing, to 1.1.1.5 port 2525 and I cannot ...
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49 views

Should I ever do “sudo apt-get dist-upgrade” on a mission critical server? [duplicate]

I'm pretty sure the answer is "no," but there's more to this question. If dist-upgrade often downloads kernel upgrades, will my Ubuntu server always be stuck at a certain kernel if I always just do ...
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1answer
190 views

debconf ssh install variable names

I am writing a bash shell script that sets up a server. To prevent it asking for e.g. the mysql server root password I use debconf-set-selections <<< 'mysql-server mysql-server/root_password ...
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221 views

Debian Wheezy hangs before GRUB menu after successful install on Dell C-Series Server

I've just installed Debian Wheezy on a Dell C-Series Server w/o any problems. However, at first reboot, I don't even get a GRUB menu. So I guess it's a problem with where GRUB was installed and maybe ...
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1answer
770 views

Nagios NRPE plugin check_ad - Fixed

i've reading about this problem much and trying to solve it on my own ways but still not luck. I've running debian 7 as nagios server. Problem is that i cant check state of my Active Directory Domain ...
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1answer
386 views

Uwsgi and flask with unix socket instead of URL

I was trying to find out the difference between a socket as a unix file and a socket that is a ip and port. If I switch something like uwsgi to use a file instead of a port and ip, how do I then ...
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1answer
153 views

Low throughput on Debian + nginx/apache

On the same LAN/WAN I have a Windows server 2012 server running IIS 7.5 and a Debian (wheezy) server running Nginx 1.4.5. Both servers are connected to the same LAN/WAN. When I download a 10mb file ...
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0answers
228 views

Bootstrapping Galera Cluster

We would like to use a MariaDB Galera cluster for our project. The Galera cluster works and seems to work fine. If some nodes of cluster are down the cluster continues to work. But after a complete ...
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0answers
106 views

Debian VPS server - backup

I'm trying to backup my VPS-server (debian) to new Router FTP server. Past (stable backup to my PC): I had backup of my VPS-server to my home-PC over Internet. I used "Filesystem Backup" with ...
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0answers
661 views

ext4 root filesystem corruption under XenServer 6.2 DomU

We're with a problem with filesystem corruption in guest machines in a XenServer 6.2 It only happens in Linux Machines. Randomly the filesystem remounts as read-only and them corruption starts on the ...
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1answer
204 views

Nginx: it takes too long to establish a ssl connection

I have a nginx set up with ssl certifivate. Recently I noticed, that establishing connection to that server sometimes takes way too long (8+ seconds). In chrome developer tools I can see, that all of ...
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1answer
93 views

Remount roofts read-only after boot up

I looking for the best way to remount server rootfs after complete boot when all system services are started and running. Remount should be preformed only when all services was successfully started ...
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1answer
126 views

Secure installation of KVM VPS?

I'm going to install Debian Wheezy on a KVM VPS. VNC access to console is enabled, and by sniffing network traffic when connecting, I see VNC password is encrypted but everything else is sent in plain ...
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1answer
389 views

ext4_orphan_cleanup errors on LVM

I'm running a server with Debian 7.2 on a RAID 1 with two drives with LVM on top and I keep getting these messages in my syslog. Should I be concerned? Is this a bug? What could it be deleting? Feb ...
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477 views

nginx-extras ok for production server?

I need the upload progress extension on my production server running Nginx, the only problem is that to do that I must actually recompile the whole of Nginx. This means uninstalling the repo Nginx, ...
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0answers
408 views

Debian / Linux xrdp

I installed xrdp on Debian Wheezy (+vnc4server as a dependency) and I have 3 questions: 1) Is there any way to recconet user to previous xrdp sessman-Xvnc session? If user change his resolution or ...
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0answers
968 views

Preparing to use BTRFS in Debian 7 Wheezy

Kernel According to the BTRFS wiki support is green-lit for the 3.12 kernel, and neutral for the Wheezy kernel. I have installed the 3.12 kernel from wheezy-backports, so that I'm using a recommended ...
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94 views

High Availability/failsafe two different locations

I am wondering if someone could help with the setup that does not seem so difficult. I am just beginning with the multi-server setup. I apologize if my questions are dumb. I have two debian servers ...
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1answer
140 views

Debian 7.2 (wheezy) - Block domain

0 down vote favorite A few days ago I figured out that someone was trying to get access to my mailserver, obviously to send spam emails through. After some research I found out that the sender uses ...
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288 views

Debian 7 + Hyper-V and random network/DNS problems

Our department is *nix-based exclusively but unfortunately the company we're part of runs on a Windows environment and until I get budget for our own servers I have to run our servers on a Hyper-V ...
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418 views

Creating a multi-wan/isp failover router where wan IPs are dynamic on Debian

I'm having an incredibly hard time creating a basic router on Debian which has connections to two ISPs where the ip addresses are dynamic. I don't need bonding, I really just need some way to detect ...
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124 views

Webserver is being blocked by some IO process

My webserver is being blocked by some IO process at every 10-15 minutes when the load rises up to 50! Usually I can see "flush-9:1" process in top using high cpu during the blocking. This is a ...
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1answer
298 views

Redmine not finding my Git Repo on Debian 7.3

I'm currently facing the problem, that I get the error message The entry or revision was not found in the repository. when I want to see the repository in Redmine 1.4.4. The repository path is set to ...