Tagged Questions

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

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0
votes
1answer
14 views

How to ban Syn Flood Attacks using Fail2Ban?

In my log, I am frequently seeing dropped ips like this: > Oct 30 17:32:24 IPTables Dropped: IN=eth0 OUT= > MAC=04:01:2b:bd:b0:01:4c:96:14:ff:df:f0:08:00 SRC=62.210.94.116 > ...
0
votes
1answer
11 views

Java JDK missing libjli.so path in dependency list, Debian

This perhaps should have been asked at unix.stackexchange.com. Feel free to move it there if you have that power. I am scripting the creation of chroot jails and part of that automation includes ...
0
votes
1answer
7 views

Ubuntu Server 12.04: apt-get won't install vsftpd (Package is not available, but is referred by another)

When I try to install VSFTPD to my Ubuntu Server 12.04 instance by the following command: sudo apt-get install vsftpd I get the following error: Package vsftpd is not available, but is referred by ...
0
votes
0answers
5 views

Proxychains-ng experiences [on hold]

Interested to hear about people's experiences running proxychains-ng. Can't start up firefox when using proxychains-ng as per below: proxychains4 www.alexa.com [proxychains] config file found: ...
-2
votes
0answers
15 views

Postfix doesn't deliver any mails anymore?

I've been using postfix for years now and all of a sudden (no update, no config change or whatsoever) I don't get any emails anymore. This is the log output when I send an email to the affected email ...
0
votes
1answer
5 views

Ganglia Running but Not Showing CPUs or Hosts

So I just set up ganglia on a single debian node. It followed a pretty simple process of 1 - installed from stable repo using apt-get install ganglia-monitor gmetad apt-get install ...
0
votes
1answer
24 views

Exim installed, can send mail but not receive any

I am trying to set up the mail service on my server. I installed exim4 and configured it. I can send emails to any email address, send one from a user to another but not receive any. When I try to ...
2
votes
0answers
26 views

Debian Wheezy/Postfix: “whois” email alias not working when others will?

I've hit a really irritating issue. I'm trying to add a "whois" email alias to /etc/aliases for my whois contact information, but the alias bounces email every single time. I added a "blort" alias ...
0
votes
0answers
9 views

Seafile Server on Debian with sqlite + apache - fastcgi: connection timeout, incompelte headers

Introduction: I am trying to set up an Seafile server on my Local Network(later reachable by portforwarding through router). I followed the official manual but couldn't get it to work with Apache. It ...
1
vote
1answer
18 views

Can no longer add VMs on Xen/DRBD/Pacemaker Cluster

OS: Debian 7.3 & 7.6 Problem: Every attempt to manipulate (create, migrate or even list) the VM's with virsh causes this "Failed to get host power capabilities" warning. I manage a standalone ...
2
votes
2answers
71 views

Running “find” command generates high load

I run this command on a Debian server with SSD drives configured as RAID 1: ionice -c 3 find . -type f -amin -1440 -mmin +1441 -not -path custom/ -print0 on a path which contains over 1.7M files and ...
1
vote
1answer
28 views

Varnish 4 Working Config (optimized) for Wordpress (default.vcl)

I have successfully set up varnish 4 on my nginx 1.6.2 it is working but as per the test on http://www.isvarnishworking.com/ it shows Varnish appears to be responding at that url, but the ...
1
vote
1answer
31 views

Is it possible to configure ECDHE-ECDSA with mod_gnutls and Apache 2?

I'm trying to configure my Debian box with mod_gnutls implementation (for sake of SNI), to achieve best possible results in TLSv1.0/1.1/1.2 (disregarding both SSL2 and SSL3) However it seems to me, ...
-1
votes
0answers
14 views

2 IPs, need to use one specific IP with Openvpn [on hold]

Ask the title suggests, I have a dedicated server (Debian) and I paid for 1 more IP. I wanted to use one specific IP for Openvpn. I'm going crazy trying to figure out how to achieve that. Any help is ...
0
votes
0answers
17 views

Debian Wheezy 7.7.0 x86 - won't compile anything [migrated]

Yesterday I installed Debian Wheezy 7.7.00-netinst and everything was fine until the moment I decided to compile libtorrent-0.13.4. I do: ./configure the checkings start for about 2 seconds and the ...
-2
votes
1answer
17 views

Installing ngx_pagespeed with nginx 1.6.2 (Backport) on debian 7 (wheezy)

I am struggling to install nginx 1.6.2 with module ngx_pagespeed 1.9.32.1-beta Can anyone please help me to install this on my debian 7. Any working tutorial i have tried ...
0
votes
0answers
20 views

use PHP over FastCGI instead of mod_php

I have a debian wheezy server with apache. Generally I want to use PHP as a apache-module. But on some virtual hosts I want to use PHP over FastCGI instead of mod_php. How can I switch off mod_php on ...
1
vote
2answers
121 views

Confused about Linux Hostname, DNS Hostnames and FQDN Hostname

This might sound stupid and basic to some of you, but I am still so confused about this even after reading numerous sources on the net. My questions still unclear are: Is the Hostname in machine ...
-1
votes
1answer
17 views

Debian live server mirroring (copy) of main server [on hold]

I am installing a debian server and I need to install a mirror of that server, so that in case of problems with the main one, the users can connect to the mirror transparently. Any change in the main ...
0
votes
0answers
9 views

libc/libcstdc++ issue - GLIBC_2.18 not found

After some package update on my Debian (Sid) machine I started to experience errors like: Error message from server: ERROR: could not load library "/usr/lib/postgresql/9.1/lib/postgis-1.5.so": ...
0
votes
1answer
12 views

Unable to locate package mail-stack-delivery

I am trying to install dovecot in my Debian 6: root@www:/# apt-get install mail-stack-delivery And I get E: Unable to locate package mail-stack-delivery Could some one please advise what ...
-1
votes
0answers
14 views

Protect or firewall proftpd server

just started using with Debian 6 so forgive if this is too lame. I have installed and configed proftpd service and it works alright but now I would like to give him an extra layer of protection. ...
0
votes
0answers
16 views

Rebuilding raid1 array fails device busy

I had a hard disk fail on my server, so I got the provider to replace the hard disk. Unfortunately I forgot to do mdadm /dev/mdX --fail /dev/sdaY for the disks. Now after a reboot, I get this: ...
-4
votes
1answer
38 views

In Debian, what is NAMED service for? [closed]

I have just upgraded my Debian VPS webserver from 6 to 7 and among others I have just found the following services running: named xinetd sendmail-mta (...) kthreadd/478 khelper/478 What is the ...
1
vote
2answers
33 views

Is it safe to move “ACCEPT state RELATED,ESTABLISHED” to the top?

I've the following iptables configuration: Chain INPUT (policy DROP 11 packets, 604 bytes) num pkts bytes target prot opt in out source destination 1 127 11093 ...
1
vote
0answers
17 views

To write in mdadm.conf in initramfs prompt doesn"t not save changes after reboot

I made a mistake with my mdadm.conf with my debian backup server. I used this command : mdadm --detail --scan --verbose >> /etc/mdadm/mdadm.conf to add a raid5 (it works great). By using ...
-2
votes
0answers
18 views

pdf2swf missing on Debian Wheezy

The swftools package for Debian Wheezy does not include pdf2swf. Any clue why it wasn't included anymore? What would be the preferred way to get it installed in Wheezy? For reference here is the ...
0
votes
1answer
16 views

intel 2620 and 2609 on debian cpuinfo

I have two Boxes running Debian 7 with the following processors. Each Box has two of the same processors. Intel® Xeon® Processor E5-2620 (15M Cache, 2.00 GHz, 7.20 GT/s Intel® QPI) # of Cores 6 # ...
0
votes
0answers
12 views

libnss-ldap getent passwd - AD replies correctly but output shows local /etc/passwd

I am trying to configure libnss-ldap to provide AD authentication to my Linux Debian servers. This is working fine if user exists locally, I want to make it work for Domain users. Here is my ...
0
votes
1answer
25 views

Debian Active Directory to LDAP migration

These days I am working on LDAP and Active Directory migration. I want to migrate to LDAP but I cannot get passwords from Active Directory. I want to seemlesly migrate to LDAP, and I want a solution ...
-1
votes
2answers
34 views

How to monitor Linux server backup execution with Zabbix? [on hold]

I have more CentOS and Debian servers, where backup is configured to be executed every night. How can I use Zabbix to monitor these backups? I'd need an alarm, when backup files would not be created ...
0
votes
1answer
23 views

Increase partition size in debian server

I have a debian server instance and I need to increase the root partition size of it. I installed the parted program and took a backup first. Then I attached another 2GB volume to the instance. When ...
1
vote
1answer
31 views

Postfix to Postfix relaying

I've got a (possibly unusual) situation with using Postfix to relay mail to another Postfix mail server that then needs to send the email out. I've read plenty of tutorials and seen instructions for ...
1
vote
0answers
10 views

Apache - disable file preprocessing

Apache tries parse my *.tpl files (which contain js/html – underscore templates). This is somethings I don't need at all. So if I rename file to *.html, content is returned as is, and if that very ...
0
votes
1answer
35 views

lighttpd does not start at boot after enabling ipv6

A few days ago I configured lighttpd to listen on my VPS IPv6 address as well. It runs on a Debian 7 Xen VPS (Linode) with a 3.15.4-x86_64-linode45 kernel. The version of lighttpd is 1.4.31-4+deb7u3. ...
1
vote
1answer
32 views

Cannot remove mount option “discard” on an ext4 file system

I try to turn off "discard" on an ext4 file system but I cannot succeed. I tried to add "nodiscard" option in /etc/fstab but I can still see this # tune2fs -l /dev/md2|grep disca Default mount ...
0
votes
1answer
37 views

VirtualHost's server name does not work (shows /var/www), all aliases do

I have installed apache 2 and created and enabled a virtual host. The virtual host has: ServerName example.com ServerAlias *.example.com ServerAlias foo.com ServerAlias *.foo.com ...
0
votes
0answers
39 views

How can I log and maybe even block IPs that send lots of incoming UDP traffic?

we run a voice / teamspeak server which receives legitmate traffic on port 9987 from many ips. Sometimes we get DDoSed. So people use single Servers and send 1-3 Gbits of UDP Floods to that port. This ...
2
votes
2answers
56 views

can I add global alias in virtual_alias_maps but only for local domains?

I want to create a global alias for all my domains to catch all mail to addresses like postmaster@ I've added theses lines to aliases.pcre: /(MAILER-DAEMON|postmaster|abuse|webmaster)@(.*)$/ ...
0
votes
1answer
46 views

Debian Jessie Qemu KVM GPU Passthrough to Windows Virtual Machine guest Virt-Manager error Bus PCI not found

I'm having problems with Virt-Manager not wanting to boot a VM and giving error: Error starting domain: internal error: process exited while connecting to monitor: char device redirected to ...
0
votes
0answers
2 views

Block (nullroute?) an IPv6 hostname using /etc/hosts [migrated]

I'm trying to prevent my web browser from communicating with certain hosts (mostly ads and tracking). I have a list of such hosts in my /etc/hosts file. For IPv4 in my /etc/hosts I can do: ...
0
votes
0answers
37 views

Page displays “File not found” when I enable php-fpm chroot on debian wheezy apache2.2

I set up a chroot jail for a user "bob". bob is located in /var/jails/bob Bob has a site which is located in /var/jails/bob/bobssite.com/public_html Everything seems to work so far, including the ...
0
votes
1answer
23 views

How to add “Authentication-Results:” - Debian Squeeze+postfix+opendkim+SPF checks

I have installed Debian Squeeze on my VPS, I use it as mail server only, packages installed are: Postfix+openDKIM+SPF_checks_with_Postfix. All works fine, SPF & DKIM passes authentication, but ...
0
votes
0answers
18 views

How can i speed up an XWiki installation on debian?

We installed XWiki on Debian. Page load times in default config were about 2 seconds. Tuning the memory parameters according to the XWiki performanve guide brought it down to 1 second. But for a local ...
0
votes
2answers
44 views

server side cd on sftp client connect

Is there a way with sftp to have it configured server-side to run a cd command when a client connects? I have my users thrown in to chroot, the folder has to be root:root chowned and cannot be ...
0
votes
1answer
35 views

hylafax + modem (USR Sportster Flash X2) + MODEM TIMEOUT: reading line from modem

I have the following issue with my modem Sportster Flash X2. We had set it up with hylafax and it worked week or two. But today during receiving of fax it hangs and is not responding. Here is log from ...
0
votes
1answer
35 views

PHP from repository, upgrade to 5.5

On my Debian VPS I have installed PHP 5.4 from debian wheezy repository. Now I would like to upgrade PHP to 5.5, but I would like to still be able to continue upgrades by apt-get. Is it good way to do ...
2
votes
3answers
52 views

Accessing multiple disks under single virtual partition?

I have disks as below on my Debian server: /dev/sda1 276M 29M 233M 11% /boot /dev/sdb1 917G 793G 79G 92% /home /dev/sdc1 1.8T 1.7T 79G 96% /home2 /dev/sdd1 1.8T 1.7T 79G 96% ...
0
votes
0answers
23 views

Debian DHCP for voip option 66 using tftp

I have configured my tftp and I am able to send configurations from the windows server when it runs dhcp option 66 tftp to my server but when I try to do it from the debian isc-dhcp-server I get ip ...
0
votes
2answers
54 views

Apt fails to get sources due compression

My Debian server (3.2.60-1+deb7u3 x86_64) fails to fetch updates from security.debian.org. I think it is caused by repository, because there are only compressed files on the repository. How can I fix ...