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

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SSH connection doesn't work from server to another server

For a cross backup script, I'm using ssh to transfer files from a server A to a server B. And mutually from B to A. SSH is configured on the port 54321 (not used by another service). There is no ...
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5 views

How to enable Dovecot virtual users to change their password using passwd-file?

I am running Dovecot with several virtual users in passwd-file: http://wiki2.dovecot.org/AuthDatabase/PasswdFile . The file is /etc/dovecot/userdb . How can I enable the users to change their ...
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10 views

How to disable access logs for all vhosts in Apache on Plesk (Debian)?

We run a high traffic site and the access logs grow large very quick, so we would really like to disable access logs on our server, for every vhost. The problem is, we are using Plesk and I dont see ...
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0answers
8 views

Restrict user changing xscreensaver settings

I would like to know any solutions people came up with restricting a user from changing a system wide configuration of xscreensaver. Part of my job is managing systems which have a requirement that ...
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0answers
12 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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0answers
23 views

WordPress plugin stops running after around 3 minutes

I am trying to run a WordPress plugin which imports a bunch of entries from a CSV file and converts them to WordPress posts. I have already taken care of setting the following in the script: ...
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0answers
19 views

How to deactivate mbox? [migrated]

I just finished to install the horde framework (git version) on my server (debian7 + dovecot + postfix + apache2). And I would like to know if it is possible to deactivate the "mail" program's ...
2
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0answers
28 views

Debian does not shut down interface with ip link set … down

I have a really specific question for a trunk-testing environment. I have this network setup: +------------+ +------------+ | | +-----+ | | | eth0 ...
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1answer
14 views

Debugging inconsistent PHPUnit behaviour on different systems

This question has been originally asked in Stackoverflow but then I decided it might fit Serverfault better so I moved it here. I am trying to rearrange my Jenkins projects by moving some of them to ...
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0answers
13 views

start-stop-daemon not working as expected

I can't figure out why start-stop-daemon is not running the script below. What am I doing wrong? start-stop-daemon reports that it will start node when using the --test flag, but when I actually run ...
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1answer
11 views

Unexplained load average, ram and swap consumption [on hold]

My website is hosted behind a load balancer and 2 clients sharing their data through nfs. The website is running inside a docker. I currently have a huge load average and memory consumption, that ...
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0answers
11 views

Possible to have FQDN in Debian Logfiles?

Is it possible to have instead the hostname the fqdn inside debian log files? Example: Now its: Mar 2 18:00:12 www rsyslogd: [origin software="rsyslogd" swVersion="5.8.11" x-pid="2442" ...
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0answers
15 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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0answers
7 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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1answer
20 views

Sendmail - How to relay / send emails ? (503 error: not authorized, use AUTH)

I have been following a how to for setting up sendmail using a smart host ssrs.reachmail.net, However I cant seem to successfully send a email from my server to my gmail account. I think I'm ...
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0answers
9 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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1answer
17 views

Run two mysql process on one data directory

I would like to launch two mysql process on one data directory (/var/lib/mysql) I have two servers, web-01 and web-02 but web-01 locked mysql data directory, and i would like to break this security. ...
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1answer
12 views

Debian: environment variable not available for script running from cron?

I have this line: echo $(date '+%Y %b %d %H:%m') Your output $HOSTNAME When I do it manually from command line I can see my $HOSTNAME just fine. However, when it's running from a script that's run ...
2
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1answer
59 views

How do I prevent Apache2 from trying to execute a file as a script?

So basically, I followed this guide about iptraf monitoring and rrdtool to the letter. I put it in /usr/lib/cgi-bin/ as usual for cgi scripts. Then, when I visit it from a browser, the images it makes ...
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0answers
27 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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0answers
8 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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2answers
79 views

postfix mails (works) to all but my domain on debian

I have set up a redmine server that I got from turnkey linux. Mail more-or-less works out of the box. I can mail to anyone that is not in my domain. Let me explain: If I run the mail command from ...
1
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1answer
29 views

Unable to boot into software RAID1 after disk failure

Today after restarting my data server I was unable to boot because one of the drives wasn't being recognized any more, it is still spinning when I connect it and not making many weird noises except ...
1
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1answer
39 views

Suddenly error='Cannot allocate memory' (errno=12) [on hold]

So this morning I noticed my website is down, went on my server and saw that the webserver has been stopped. When I try to start it again I get this error start -Dhttp.port=80 ...
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1answer
38 views

Impossible to add a script to cron [on hold]

I am trying to add a script to cron jobs to be played daily. I tried multiple things but no one seems to work. First I tried to add a script in cron.daily: It s not triggered. #!/bin/sh cd ~/foo/ ...
2
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1answer
24 views

Limit the total memory usage of PHP-FPM

I'm running PHP-FPM on my Debian servers. My question is about the memory usage. I can only set the memory_limit inside PHP, and that shouldn't be too low for some requests. I also can only set the ...
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0answers
6 views

Zend OpCache active but [closed]

I installed php-fpm and Opcache on my new server. When I do php -v : PHP 5.4.36-0+deb7u3 (cli) (built: Jan 9 2015 08:07:06) Copyright (c) 1997-2014 The PHP Group Zend Engine v2.4.0, Copyright (c) ...
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0answers
16 views

Why some apt-get and aptitude installations remove some programs?

I wanted to install wireshark, and I went to Installing wireshark So I just typed on terminal aptitude install wireshark and before it install wireshark, it removed 251 programs, and I don't have ...
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1answer
20 views

Find process with most TCP sockets?

How can I find the process with the most TCP sockets that is currently running with bash ? I would like to only output the process name
16
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3answers
147 views

Risk of starting NTP on database server?

I've heard rumors of bad things happening to database and mail servers if you change the system time while they are running. However, I'm having a hard time finding any concrete information on actual ...
0
votes
1answer
22 views

IPTables from public ip and port to lan ip

I own 3 public IPs for my server and I have multiple VMs that have their own 'job'. The server has 1 NIC. Public IPs: XX.XX.9.247 (MAIN) XX.XX.21.141 (additional) XX.XX.21.142 (additional) LAN ...
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0answers
16 views

Using DeamonPortOptions to fix DKIM signing with genericstable masquerading

I'm sending mails from my debian server with sendmail. I want to be able to send mail with multiple domains using masquerading with genericstable. I am signing the mails with OpenDKIM but because ...
0
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1answer
25 views

Debian 6 Not resolving hostnames

Regards, I've run into the following issue recently following an intrusion in to my VPS: Although resolv.conf is properly configured with the correct DNS servers the VPS can not resolve hosts. I ...
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0answers
14 views

Unable to install libtirpc1 due to dependecies error

I want to run some binary (which is definitely working on another PC) on virtual Debian PC. Debian 7.5 stable with added testing and unstable repositories. (I'm not an expert in this) This binary uses ...
1
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1answer
32 views

How do I convince smartmontools that my SSD is not a hard drive?

I'm running Debian Wheezy, stock smartmontools package (smartctl 5.41). An SSD, Mushkin MKNSSDCR120GB-MX, is reporting usage lifetime information in SMART attribute id 231 (decimal). For hard drives ...
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0answers
13 views

How to exclude folders when packaging for debian? [migrated]

I am attempting to build a c++ project and package it in .deb format. I am able to successfully create a .deb package; however, it includes files that I do not want contained in the package. How can I ...
0
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1answer
17 views

Apache multiple instances — permission issues [on hold]

I have a weird situation here...I have setup multiple Apache instances under debian: The default install is left as is -- but disabled and stopped A custom instance (apache2-apps) The idea was to ...
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0answers
12 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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0answers
16 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 ...
0
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1answer
24 views

Debian Wheezy : /etc/ssl/certs/ contains a lot of certificats

I need some help with my server, I have a debian wheezy installed. I just checked the folder /etc/ssl/certs/ and I found a lot of certificats like : XRamp_Global_CA_Root.pem ...
2
votes
1answer
41 views

Use VPS provider's kernel or maintain my own?

I've got a Debian Wheezy VM on Linode and they run it with their own kernel. As a reputable company, I'm sure they're quick to apply security patches, and all I need to do is reboot to get the new ...
1
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1answer
26 views

Postfix using virtual.db file instead of mysql table

I have specified virtual_alias_maps = mysql:/etc/postfix/mysql-virtual-alias-maps.cf, but still I got errors like warning: hash:/etc/postfix/virtual is unavailable. open database ...
4
votes
3answers
117 views

Install Debian Backports kernel automatically

I've got the following pinnings set: Package: linux-image-amd64 Pin: release a=wheezy-backports Pin-Priority: 1001 Package: * Pin: release a=wheezy-backports Pin-Priority: 499 I get the following ...
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votes
2answers
18 views

Install python packages through ap-get in Debian

I'm trying to install Odoo on a Debian 3.2, but I'm having trouble trying to install its dependencies. When I try to install python-decorator, I get this error: The python-decorator package is not ...
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0answers
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Debian Wheezy's ejabberd and IM Observatory's A- Grade

I wonder if it's possible to get A grade in IM Observatory's test running Debian Wheezy's ejabberd? What settings should be fine-tuned and how? The reasons of IM Observatory to lower grade to A- is ...
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17 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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0answers
20 views

User does not have permissions to read interfaces

I'm using Debian 7 64bit. I created a simple user in my linux called "testuser". Everything is ok with this, however when i'm trying to list the interfaces using the testuser it says i permissions ...
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1answer
44 views

Installing wkhtmltoimage in Debian 6.0 (squeeze)

How to install wkhtmltoimage in 64 bit amd debian ? I tried wget http://wkhtmltopdf.googlecode.com/files/wkhtmltopdf-0.9.9-static-amd64.tar.bz2 tar xvjf wkhtmltopdf-0.9.9-static-amd64.tar.bz2 mv ...
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0answers
17 views

Optimising a server for beginners [duplicate]

I am very interested to know what specs are important when coming to a server. I am also interested on how to isolate which aspects of the server are acting as a 'bottleneck' and then how to improve ...
5
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2answers
147 views

How to get Newly Expanded RAID to show correct size in Debian

I recently expanded my RAID 5 Storage Virtual Drive from 6TB to 9TB. The Dell OMSA and the bios for the RAID controller both show I'm at 8382GB. Which is fine. But when get into Debian and poke ...