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

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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
20 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
25 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
10 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
46 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
13 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 ...
1
vote
1answer
48 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 ...
-1
votes
1answer
62 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. ...
0
votes
1answer
45 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 ...
0
votes
2answers
50 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 ...
0
votes
3answers
70 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 ...
-1
votes
1answer
41 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 ...
1
vote
1answer
59 views

Best way to show architecture of a specified file system?

Admitting a filesystem is installed in ~/FS/ (which is its root), how can I check its architecture without chroot? I tried with dpkg --root=~/FS/ --print-architecture but it still prints me the ...
0
votes
0answers
9 views

lighthttpd redirect to php script

How can I redirect requests from specific referer to a PHP file? I know how to block a image request: $HTTP["referer"] =~ ".*example\.zi.*" { url.access-deny = ( "" ) url.access-deny ...
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votes
0answers
33 views

Debian Wheezy: unmet dependencies when starting program

I am trying to run a program and it tells me it needs the packages: libgl1-mesa-dri:i386, libgl1-mesa-glx:i386, libc6:i386 After that, i get this error message: The following packages have unmet ...
0
votes
2answers
55 views

ps aux shows only processes of the current user

On one of my servers running Debian 7.8, when I run ps aux, I only see processes belonging to the current user. If I check the permissions with sudo ls -al /proc/, procesess run by root have theses ...
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0answers
5 views

Start seafile before docker at boot

On a debian 8 server, I have installed docker which run a MariaDB container. Seafile server is dependent of the MariaDB container. On restart, MariaDB take too long to start, so seafile fail is ...
0
votes
1answer
38 views

How can I download a complete image of my DO VPS to an image for a VM over SSH?

There isn't a way to download a complete image from Digital Ocean VPS hosting through their web UI. How can I download an entire image of the VPS that I can use locally on a VM or upload to another ...
0
votes
1answer
54 views

What is the best method of installing programs into a chroot / jail?

On a Debian based system... I have created a minimal chroot/jail using a script similar to the one at https://github.com/pmenhart/make_chroot_jail/blob/master/make_chroot_jail.sh with the goal of ...
3
votes
0answers
45 views

some IPs within a subnet not reachable

I'm running 3 Debian-Servers, each with its own IPMI. All IPs are within the same subnet with the same gateway. The problem is, that each server can ping its own IPMI but not the IPMI of the other 2 ...
0
votes
1answer
46 views

Use LDAP and Local auth as a backup on mail server

We are currently researching the best way to go about switching our mail server (dovecot/postfix/debian 7) from local authentication to ldap (AD) authentication. We would like to have local auth as ...
0
votes
1answer
86 views

Debian 8 Jessie - Postfix + Dovecot, send but not receive mails

I'm setting up a mail server (with Postfix, Dovecot and Postfixadmin) for a non-profit organization that I'm currently building. I'm able to send but not receive mails over TLS. When sending an email ...
-1
votes
0answers
11 views

DLINK DCS-3716 network dropping out periodically

I have several D-Link DCS-3716 located around. Some of these are used for a live view of mechanical processes. I am connecting these cameras on a Debian host running VLC on an RTP protocol. The local ...
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0answers
21 views

Postfix SMTP authentication FROM [duplicate]

I have a Postfix server with authentication running. However I recently found out, that anyone authenticated may send mail from any account. Meaning user1 is logging in and may send the e-mail from ...
1
vote
1answer
38 views

Spamassassin: sa-update failed for unknown reasons, daily error, How to fix?

For a while now I'm getting the following error-mail sent to my root account on my server. This is a fail occurring every time on the daily spamassassin update. My setup followed the Ars Technica ...
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votes
0answers
16 views

What is the correct file size? [duplicate]

I got significantly different file sizes from du and ls, so who is correct? root@pve:/var/lib/vz/images/102# du -sh vm-102-disk-1.qcow2 717M vm-102-disk-1.qcow2 root@pve:/var/lib/vz/images/102# ...
0
votes
0answers
36 views

mysql replication stops without errors

I have this issue with master to master replication setup. Replication stops without errors, but when I make: slave stop; slave start; it is working again. mysql --version mysql Ver 14.14 Distrib ...
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0answers
8 views

Disk boot up from backup

I have a backup of my whole / partition except for /tmp /proc and /sys . Is there a way to boot this up into live? Backup is on 32 bit debian 5 OS Thanks
-1
votes
0answers
25 views

Configuring bind9 for multiple domains

I was trying to configure two domains, first is working fine, but not the second. However, on server ping works fine for the second domain as well as named-checkzone responses OK. However I cannot ...
1
vote
1answer
19 views

Debian, kill java by it's jar name?

Okay, I am going to be running two java application on the same VPS one will be running nearly all the time. The other one will not need to be. I am wondering if there is away to kill java based on ...
0
votes
1answer
20 views

How can I modify the bootloader config on debian 7

I want to install Debian 7 remotely. I've followed this tutorial: https://wiki.debian.org/DebianInstaller/Remote How can I execute Step 8? I found the command update-grub but I don't know where to ...
1
vote
1answer
27 views

Restrict only 1 file to use sendmail

I want to restrict access to sendmail process, to only 1 php file /var/www/mysite/contact.php How can I do this? Maybe there is a trick with Iptables or sendmail configuration? I want to secure ...
0
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0answers
18 views

How to get Ipv4 in NAT mode & Ipv6 in bridge mode together in Xen 4.4?

Here is my problem with Xen 4.4 wth Debian 8, i have one Ipv4 address & plenty of Ipv6 addresses. I would like to setup xen for NAT to route IPv4 to a private network and bridge with Ipv6 ...
0
votes
1answer
24 views

Why does apt-get install duply (on debian 7.8) not update to the latest verison?

Hi there I'm a bit confused about updating on my debian server. I'm using duplicity + duply on my server and wanted to update duply to the latest version. Running: sudo apt-get install duply ...
0
votes
2answers
43 views

OpenLDAP proxy : caching credentials in case Active Directory master unreachable

I'm setting up a Debian server in my company where users are managed in an Active Directory. I'd like to authenticate users with AD but I'm thinking it would be better, if feasible, to have a local ...
0
votes
2answers
52 views

Debian virtual instance gives “No space left on device” during upgrade from wheezy to jessie [closed]

I'm half way done and the upgrade process has terminated in the mid. Its about my virtual debian wheezy instance setup under virtualbox that I was upgrading. Output of df -h is as follows : ...
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votes
0answers
41 views

How to enable GSS-Negotiate?

Please tell me how to enable the GSS-Negotiate in Curl OS Debian 8? The current build such: curl 7.38.0 (x86_64-pc-linux-gnu) libcurl/7.38.0 OpenSSL/1.0.1k zlib/1.2.8 libidn/1.29 libssh2/1.4.3 ...
1
vote
2answers
58 views

Download speed from server extremaly slow

I have rented many servers @server4you and from time to I face the same problem. Download speed from a server decreases dramatically and after some weeks goes back to normal. Now when I download a ...
1
vote
1answer
46 views

Logrotate deleting instead of rotating

This is my logrotate configuration /var/log/abc/*.log { missingok compress sharedscripts create 640 root root postrotate /etc/init.d/abc reload endscript } When i run this manually as logrotate ...
1
vote
0answers
22 views

debian networking lacp throughput and redundancy

I am encountering the following scenario: Physical server w/ 4 NICs and two HP ProCurve GigabitEthernet switches in a stack $Server runs debian (proxmox ve latest) I'd like to configure the network ...
2
votes
1answer
20 views

Apache2 not able to list directories or files that do not have o+r set

I have an Apache webserver that we are preparing to serve data uploaded via FTP/S to our customers over the more convenient HTTPS protocol. At the moment I am using mod_authnz_external to allow the ...
0
votes
2answers
44 views

rsyslog (local) and remote logging

I have several linux servers that I want to monitor the log files. I thought it would be great to setup a central log server that can capture incoming rsyslog packets. Each hostname would have its own ...
0
votes
1answer
147 views

How to install mariadb when mysql gets in the way?

I have searched for a while on google but nothing seems obvious from this weird situation I have on VM, can someone help me? root@sathia:/etc/apt# apt-cache policy mariadb-server mariadb-server: ...
0
votes
1answer
26 views

Package for Debian 7 on Debian 8 [closed]

I want to install Couchbase server on Debian 8.0 but the released packages are only for Debian 7. Generally: What problems could arise from installing package for older distro version? Any drawbacks? ...
0
votes
0answers
15 views

gitweb is broken in debian jessie

I had installed gitweb package in debian wheezy, and I had got it working. After upgrading to jessie it doesn't work any more: Apache tells me: The requested URL /gitweb was not found on this ...
0
votes
0answers
28 views

Can I set a multi-line environment variable in systemd's EnvironmentFile?

I need an environment variable like this defined for my application's mail features to work: RUBY_MAIL_SMTP_SETTINGS=' :address: "smtp.example.com" :port: "25" :authentication: :plain :encryption: ...
0
votes
1answer
37 views

Gmail marks all my emails sent by exim4 as spam [duplicate]

I configured a Virtual Private Server as send-only mail server with exim4. Anyway, when I send an email to a Gmail account, it is marked as spam, because "it violates the guidelines for the sender ...
3
votes
1answer
43 views

Debian - Warning: Possible LKM Trojan installed

I am running chkrootkit every night on 3:04. More than 1 year it was not returning any problems but 1 month ago this warning started to appear: ======================= Checking `lkm'... ...
0
votes
1answer
57 views

Nginx url rewrite file not found

I have converted my .htaccess to work with Nginx but i have many 404 errors or wrong display for folder and subfolder rewriting. This Nginx config works for folder and subfolder but for /view/ its ...
3
votes
2answers
190 views

Why does ip6tables -A INPUT -j DROP blocks outgoing server connections

I'm willing to configure both iptables & ip6tables for IPv6. But for some unknown reason last ip6tables rule in my config block any outgoing connection for my server (apt-get, wget, ping, ping6 ...