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

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Hyper-V lost synthetic NIC after Debian 8 dist-upgrade?

I'm running a Debian 8 vm on Hyper-V (Win Srv 2012R2) and when I did a dist-upgrade of stable, I lost all network connectivity. Using the console, I was able to see the network interfaces as UP but ...
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0answers
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How can I set up Certificate Transparency if my CA doesn't support it?

I think many of you have actually heard of Google's Certificate Transparency initiative. Now the initiave involves a public log of all certificates issued by some CA. As this is some amount of work, ...
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14 views

No internet access for client static ip on linux dhcp server

We are using a dhcp server configured with isc-dhcp-server on debian 8 in a small office network. The server has two network adapters one is connected to a pppoe modem and the other is connected to ...
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2answers
22 views

Simplest way to secure debian server on LAN

I currently have a basic debian server setup and connected to my LAN. Am I right in thinking that if I remove the gateway from the network configuration then the box will be unable to communicate ...
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0answers
3 views

simple-cdd - cache deb files

This is related with the question: Building a custom Debian CD with simple-cdd : rebuild without downloading all the deb files. Unfortunately I'm unable to comment thus posting a new question. How to ...
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8 views

How are the Debian/Ubuntu Xen netinstall images built?

Xen/XenServer has this nice feature where you can select a Debian or Ubuntu template and point it at some mirror and it will go and download a minimal kernel and initrd which will be used to bootstrap ...
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0answers
10 views

iSCSI+GFS2 on debian

I have to share data between some kvm guests on debian jessie. I tried using iSCSI and GFS2 on debian jessie, but can't find a proper howto for GFS2. Most of them are designed for Red Hat or CentOS ...
2
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0answers
30 views

Debian - static ip, /etc/network/interfaces

I tried to set a static IP on my Debian 8.1 (in VirtualBox), so I edited the /etc/network/interface file : # The loopback network interface auto lo iface lo inet loopback auto eth0 iface eth0 inet ...
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12 views

Samba 4 not working correcty as dns for internal (LAN) addresses

I have a Debian Wheezy fully updated with Samba 4.1.17 as and AD. I've been updating/upgrading for months. Years ago the server lost some HDD and the configura was corrupted. in that time trying to ...
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0answers
12 views

exim4 domains/users configuration on files or on db?

I am setting up a web server using Exim 4 on Debian 8 and, as usual, I was going to use MySQL as backend to store the settings related to the domains and users (like quota, emails, aliases, forwards, ...
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1answer
15 views

cpufrequency scaling with debian 8.1 and Intel XEON E5-1650 v3

I want my server with debian 8.1 not to use cpu scaling but always run at the highest possible frequency. I have installed cpufrequtils $ dpkg -l | grep cpufreq ii cpufrequtils ...
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0answers
8 views

Wait init.d script until host name is ready, Ubuntu/Mint

I have a postgres SQL, which I would like to bind to local host and internal net IP. In /etc/postgresql/9.3/main/postgresql.conf . . . listen_addresses = 'localhost,myhost.mynet' . . . If I just ...
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1answer
35 views

IE and Chrome: ERR_SSL_VERSION_OR_CIPHER_MISMATCH

Hello i have this error with IE and Google chrome in Windows XP but my website work with Windows Seven (all browser) and Firefox (windows XP too) I learn in internet the problem its caused by ECDSA ...
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1answer
12 views

Only a certain subdomain accessing a certain port [on hold]

Is there a way of having only a certain subdomain access a port? Let's say I have a Minecraft server running on default port 25565. I also have domain.com which is pointed to the IP of the server, ...
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1answer
11 views

How can I set a default email domain name on debian?

I have exim4 configured on my server as an email forwarder (for example sending an email to admin@mydomain.com will result in the email being forwarded to my personal gmail email account). This ...
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0answers
11 views

VLANs between nodes

I have multiple nodes with Proxmox (debian distro), each node have: eth0 with static, external IP with Internet connection eth1 connected to manageable switch I want to create VLANs that connect ...
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1answer
17 views

What users should I create on a Debian server?

I have set up a new Debian server on DigitalOcean, where I'm planning to run a Django website. I have added my ssh key to the server, so I can ssh in as root without using a password. So far so ...
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0answers
9 views

varnish 4 not caching properly

After updating the debian server from wheezy to jessie, I found that varnish didn't work any more, it was because of the changes from varnish 3 to 4. I managed to get varnish loading and working, but ...
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0answers
5 views

CONFIG_NF_CONNTRACK is not set [migrated]

I am trying to setup iptables on udoo quad but I hit a brick wall and cannot find a fix anywhere: root@udoo:/# uname -a Linux udoo 3.0.35 #10 SMP PREEMPT Wed Jul 30 18:16:10 CEST 2014 armv7l ...
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1answer
12 views

Debian Jessie UpStart / Systemd / SysV no more reboot

I have make some test on a Jessie server with Upstart installation and replace it by SysV and the reverse. After this I'm not anymore able to reboot. root@amoo-001:~# reboot Failed to talk to init ...
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1answer
11 views

Linux mail(x) command. Can't open or use. Just spits out old message and returns to prompt

(Debian Squeeze) I was working on a shell script that piped output to the mail command. I must have done something wrong, as I am no longer able to use the command for anything. Even if I type "mail" ...
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0answers
7 views

Right way to configure startSSL Certificate [duplicate]

Hy! I try to apply a Start-SSL Certificate on my Apache 2 (Debian Wheezy). On Xampp i got it fast and it works, but on my Debian root, the certificate is confirmed by Avast (in this case) and not by ...
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0answers
20 views

Can't access from outside process running in a Docker container

I'm trying to run a gameserver inside a docker container on my server but I'm having troubles connecting to it. I created my container and started my gameserver (which is using port 7777) inside it. ...
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0answers
20 views

How to configure nginx reverse proxy for ftp [duplicate]

I am trying to configure nginx reverse proxy to point to an FTP server. I've tried this: server { listen 21; location / { proxy_pass http://66.55.147.67:21/; } } with and ...
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votes
1answer
24 views

Spam sent from my domain after a Wordpress exploit [duplicate]

I have 2 domains on my dedicated server running debian. One of them is linked to a wordpress site, mydomain.com. I've noticed that on both my sites, lately, the performances were horrible so I ...
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1answer
18 views

No internet connection via my OpenVPN server (solved)

I have OpenVPN up and running on my server. I want all traffic from my clients to be routed trough the VPN server. The client connects just fine but is unable to connect to the internet. Server ...
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1answer
47 views

Error: No space left on device when starting/stopping services only

I know there are multiple questions like this already, but none of their answers applies to my problem. So I tried to upgrade from Debian 7.7 to Debian 8.1. Every works fine, but certain operations ...
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1answer
24 views

/dev/net/tun exists, but OpenVPN is refussing to find it

I'm currently configuring an OpenVPN client on an arm microprocessor running debian squeeze, however I'm running into problems. As the below shows, /dev/net/tun exists: debarm:~# whoami root ...
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0answers
11 views

response ping is expired in transit [duplicate]

I've configured my debian's network on virtual box: auto lo iface lo inet loopback auto eth0 allow-hotplug eth0 iface eth0 inet static address 192.168.56.15 netmask 255.255.255.0 gateway ...
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0answers
10 views

How to request “do not start/enable” when installing packages on Ubuntu? [duplicate]

Start with a base system. apt-get install apache2 That results in it installing the package AND starting the service. Is there some mechanism (standard across other packages as well if possible) ...
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18 views

mailjet with brimir (open source Ruby project) on debian doesn't send mail

I tired of searching a tip to be able to send mails with mailjet on my debian. I configured a dashboard for tickets (Brimir, Ruby open source plateform) Here is the link : ...
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23 views

Run a script if an error in syslog appears

Is it possible to run a shell script if a specified string is found in rsyslog 5.8.11? I couldn't find any examples so I tried this but it doesn't work: $Template MyAlert,":msg" :msg, contains, ...
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0answers
48 views

Slow ssh login - Activation of org.freedesktop.login1 timed out

On one of my servers I've noticed really delay on SSH logins. Connecting using the ssh -vvv options the delay occurs at debug1: Entering interactive session. extract of connection: debug1: ...
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0answers
5 views

difference from default configuration in .deb

To my great surprise I have not found an easy way to view the difference between locally altered configuration files in /etc from the defaults supplied in .deb for particular package. Some day in ...
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0answers
25 views

Why openssl isn't in Debian Backports? [closed]

I was looking for openssl 1.0.1 for Squeeze on the official debian packages site and figured out that this package never had been backported. Then my question is: why openssl (and very important ...
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1answer
28 views

Sata Disk very poor performance

I have a HP MicroServer NL54, stock BIOS, with 4 HDs Seagate Barracuda ST2000DM001 2TB 7200 RPM 64MB Cache. If I run a dd benchmark I get: $ dd if=/dev/zero of=/dev/sdb bs=4K count=4096 4096+0 ...
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2answers
40 views

smtp blues - external emails works, internal does not

I have 3 domains hosted on a remote server, but I am using other postfix server for SMTP only. So, I have two servers: mail.domain1.com - remote mail server, storing mailboxes and used for IMAP ...
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0answers
17 views

What is this configuration in /etc/network/interface means? [closed]

What is this configuration means? auto INTERFACE_NAME iface INTERFACE_NAME inet manual up ip link set dev $IFACE up down ip link set dev $IFACE down Thanks alot.
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1answer
12 views

How to configure exim4 to orelay email from a specific IP?

I am attempting to set up an SMTP relay server, using exim4. However, I have only one IP that I want to be allowed to send email through my server. Is this done using iptables or some configuration ...
0
votes
1answer
18 views

Cant route traffic through OpenVPN on Debian 8

I have been trying to setup OpenVPN and have run into a bit of a hiccup, i have can't seem to route all my traffic through the server. I can connect to the server just fine but i can't seem to ping ...
0
votes
1answer
22 views

OpenVPN client nslookup failure after disconnect

Currently I am trying to route my traffic through a gateway running Debian Linux which forwards all incoming traffic thorugh a VPN connection (Client -> Gateway with OpenVPN client -> VPN server -> ...
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0answers
8 views

Proxmox-Server: Extremely high load during deletion-task of old backups

I'm using Proxmox to get some VPS. In Proxmox I set up some backup-tasks which are running fine. BUT: The backups are stored in big files (each backup has round about 300GB) so I can not store more ...
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0answers
40 views

Changing port for phpmyadmin

I've got on my VPS tomcat running on the port 80. Nevertheless I want to have there phpmyadmin (running on some other port) as well... I tried to edit /etc/apache2/ports.conf and ...
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0answers
12 views

How often recompile grsec patched kernel?

I plan to harden my corporate debian servers by using grsecurity patched kernel. However, I don't necessarily have time either to monitor each new security hole discovered nor to manually reconfigure ...
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1answer
41 views

Debian Linux default interface?

I have a Debian machine with an SNMP pooler running, but I am running into an issue with getting the pooler to use a specific interface. The Debian machine has 3 interfaces allow-hotplug eth0 iface ...
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votes
1answer
55 views

Postfix + Dovecot fatal: no SASL authentication mechanisms

When I try to login via telnet I am getting kicked out immediately: telnet localhost 25 Trying ::1... Connected to localhost.localdomain. Escape character is '^]'. Connection closed by foreign host. ...
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votes
1answer
41 views

resolv.conf “search” ignored

my /etc/resolv.conf file is quite basic, something like: # Generated by NetworkManager domain subdomain.example.org search subdomain.example.org nameserver 192.0.2.100 nameserver 192.0.2.200 From ...
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votes
2answers
41 views

Common Name does not match Server Name - SSL Certificate

I recently purchased an SSL certificate. I've got www.site.com.key, www.site.com.csr, intermedia.pem, www.site.com.crt all set up in my /etc/ssl/localcerts folder. When I open my browser I get the ...
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2answers
58 views

SSH sessions hang on shutdown/reboot

I have a server that runs Debian and sshd on it, and in case I need to reboot the server my SSH session hangs at client side until TCP timeout. I assume this is because when sshd is being terminated ...
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votes
1answer
40 views

Why do my PHP files show as text in browsers?

Long story short, my PHP files show as text in browsers rather than running the PHP script. I am aware that there are questions similar to this but none answer my question. I'm lost. I have an Apache ...