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

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1answer
2k views

Is there a way to disable IPv6 SLAAC on a per-interface basis in Debian?

I have a scenario where appliances running Debian may have multiple network interfaces. I want my eth0 interface to get its address via SLAAC configuration, but I want the remaining interfaces to ...
3
votes
3answers
846 views

Debian apt-get repository

We have our own internal package repository hosted on a webserver running apache. Internal users who want to install one of these packages point these sources.list to the webserver & do a apt-get ...
3
votes
1answer
218 views

debian: upgrade from etch to lenny fails

The error message is: error processing /var/cache/apt/archives/debianutils_2.30_i386.deb (--unpack): trying to overwrite `/usr/sbin/add-shell', which is also in package passwd How can I solve ...
3
votes
4answers
1k views

Can I recover from “rm /*”?

I'm running Debian... And, I accidentally ran "rm /*" as root (hurray!) - luckily I didn't use -r, so the dirs are still intact. However, when trying to boot, I get... run-init: /sbin/init: No such ...
3
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3answers
3k views

Install VirtualBox Headless only

I want to install VirtualBox on a fresh debian box without having to install an X-Server. How can that be done ?
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2answers
147 views

Backup Entire USB Drive Containing Bootable Partitions in Debian [duplicate]

What's the best way to backup a USB drive with bootable data on it? For instance, I have what's called an ESXi server on a bootable USB, it's basically a linux variant with multiple partiions. ...
2
votes
2answers
104 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 ...
2
votes
1answer
664 views

Cannot install grub, segmentation fault, unable to identify filesystem, superfluous RAID member, found two disks with same index — Debian 7

A server was recently transported from location A to B, a long journey that took six months. Things have gone wrong due to nothing being labeled prior to shipment. Yes, I know --- it was done by ...
2
votes
1answer
3k views

Update openssl in debian squeeze

There is this CVE-2014-0224 bug in openssl so I would like to update my affected # openssl version OpenSSL 0.9.8o 01 Jun 2010 But there is no update for squeeze. I read the it is already fixed in ...
2
votes
1answer
1k views

gitlab authentication using HTTP_REMOTE_USER environment variable

we have discovered gitlab, and I would like to integrate it in our global authentication process, which relies on apache HTTP_REMOTE_USER environment variable. I have seen very little documentation ...
2
votes
3answers
4k views

How to reinstall broken mysql package

Trying to fix a broken mysql installation, this happened after upgrading from debian 6.0 to 7.0. I have the dotdeb.org packages in my /etc/apt/sources.list. root@ginger:/var/log/mysql# apt-get ...
2
votes
3answers
361 views

Use apt-get source on a debian repo without using /etc/apt/source.list

I'm trying to use apt-get source as a regular user on a debian squeeze system. I want to retrieve the sources for cyrus-imapd-2.4 from the testing/wheezy repository. apt-get source works without ...
2
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2answers
3k views

How to update sources.list for Debian 4.0 Etch?

I am trying to update my /etc/apt/sources.list on my VPS. As I run apt-get update I get all kinds of 404s not found, for example: Failed to fetch ...
2
votes
2answers
158 views

How does directory complexity influences on i-nodes?

For single project, which uses a lot of images( ± 1k-3k per day) I use custom PHP script to process images and save them to server. Currenty PHP script processes them and saves in the following ...
2
votes
3answers
13k views

SSH fails: PTY allocation request failed on channel 0

So I googled the error and checked serverfault, but the solutions didn't fit. Most results were problems with /dev/pts, but that is mounted. Other results are errors with git, but there is no git on ...
2
votes
1answer
3k views

How do I delete values from the debconf database?

Per this question I've now got wonky preseed values for my gitolite installations such that gitolite fails to install. I need to clear my debconf database of a few keys, but I see no way to accomplish ...
2
votes
3answers
4k views

Linux - Migration from a server to another

Currently, I have Debian installed on a desktop computer with an Intel P4. It is a web server. As my website starts to be more and more popular, I want to migrate to a real server. So I bought a new ...
2
votes
2answers
5k views

Postfix auto create Maildir

I've been beating my head against a wall for a while now on this one. Basically, here is the rundown: Our MX record points to a frontend SMTP server, which contains aliases for actually routing the ...
2
votes
2answers
643 views

my first “production” debian server configuration

I have been using Debian for a year, mostly as the distro for my internal company server. Now I am making a public e-commerce website and I am planning to use a dedicated Debian server at a datacenter ...
2
votes
3answers
12k views

Adding a second IP to Debian Server

I was given a second IP by my server provider. I am running Debian 5.0. I thought I knew how to add the IP to the system and configure with apache, but I have not yet been able to. The primary IP ...
1
vote
2answers
109 views

Minimal backups of a Debian server

(This was originally asked on SuperUser --- they pointed me here as being more appropriate.) I have a shiny new Debian server running in an Amazon EC2 instance. I've spent a while setting it up and ...
1
vote
2answers
3k views

Upgrading to Debian 7: Postfix Auth fails

I'm upgrading various Debian 6 servers to Debian 7. There are a few minor issues, but this one is a show stopper. On Debian, Postfix runs in a chrooted environment. That environment is setup ...
1
vote
1answer
394 views

Xen in routed mode: start fails

When Xen is configured in routed mode, restarting xend fails because the script hotplugpath.sh is missing. ~ # /etc/init.d/xend restart Restarting Xen daemons: xend/etc/xen/scripts/network-route: ...
1
vote
1answer
2k views

Limit bandwidth using tc, iptables, and htb

I'm running a Debian server and was wondering if there are good resources out there, to which you can point me, where I can read about traffic limitations. I have couple users sharing one server. ...
1
vote
3answers
2k views

Creating a partitioned raid1 array for booting a debian squeeze system

I'd like to have the following raid1 (mirror) setup: /dev/md0 consists of /dev/sda and /dev/sdb I created this raid1 device using mdadm --create --verbose /dev/md0 --auto=yes --level=1 ...
1
vote
1answer
2k views

Remove exim local username

How can i remove the local username in the mail headers with exim4 running on debian 6? Received: from root by host.domain.com with local (Exim 4.72) (envelope-from <reply@domain.com>) id ...
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2answers
1k views

Debian root partition resizing

I just noticed that the root partition of my not-so-long-ago configured server is only 5gb thats not much seeing as i allready use 4gb and still need to install a lot of things... i was foolish ...
1
vote
1answer
2k views

Clearer understanding for glusterfs for replication

On server01 I have installed and configured glusterfs-server and glusterfs-client to replicate directory /var/appdata to server02. It seems that anything works fine, but I'm not sure that I ...
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vote
2answers
1k views

Amazon S3 tools for Debian?

I need to (programmatically, in a shell script) upload an EAR file to an Amazon S3 bucket on Debian (5.0.4). What, if any, Debian package provides simple, scriptable tools for that? Ideally this ...
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vote
4answers
447 views

Moving a Debian Setup

Greetings, I currently have a Debian Lenny server running (on a slow machine) and recently I bought a stronger server and need to move/copy the old debian setup to this new server as whole(accounts, ...
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vote
3answers
4k views

Debian Open port 81

I install lighttpd in one server using port 81. The problem is that the port is closed, and I don't know how to open the port. Regards, Pedro
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vote
8answers
910 views

Turning off FTP

I'm setting up a new debian server and I don't need FTP so I want to remove it. According to netstat -tap, ftp isn't listening on anything. However when I do a port scan (nmap) externally it says the ...
0
votes
1answer
57 views

apt-get install -t testing appX VS apt-get install appX/testing

I've been trying to understand the difference between these two commands and noticed that I get different results. apt-get install -t testing appX apt-get install appX/testing Background I setup ...
0
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2answers
60 views

IPtables - Sensible and non-contradictory rules?

This is my IPtable rules for my webserver with SSH installed, i've had help to get this far. My question is, are my rules contradictory. For example, I've been recommended to use these two lines: # ...
0
votes
2answers
2k views

KVM with one host IP and a different subnet for machines

I've already setup a KVM host with proper IP configurations, but my host had me create DHCP and use that to assign the IP's to the machines. I want to see if there's an easier way to do it (or ...
0
votes
2answers
628 views

Debian Etch and ESXi slow network speeds

I have 2 etch virtual machines. One's a clean Etch r9, the other is one of our server builds. On EtchR9 network speeds are 1Gbps. But on our server build we are only getting a max of 100Mbps, both ...
0
votes
3answers
817 views

I accidentally upgraded a server to a Debian testing distribution. Now what?

Once upon a time I introduced the following line in our sources.list file: deb http://ftp.ch.debian.org/debian/ testing main I did that because I needed version 3.4 of the octave package, whereas ...
0
votes
3answers
625 views

Apt-cacher and Apt-proxy

Does anyone know the differences between apt-proxy and apt-cacher or know of a better package proxy cacher for Ubuntu? I used apt-proxy, but it hangs in weird places and gives me weird errors ...
11
votes
1answer
3k views

Enable blowfish-based hash support for crypt

How do I enable crypt_blowfish support for shadowed passwords and PHP on a Linux (Debian) server? I'm referring to the OpenBSD-style Blowfish-based bcrypt, known in PHP as CRYPT_BLOWFISH. As far as ...
10
votes
1answer
4k views

How to use a custom status command for a service in puppet?

I am using debian squeeze with PostgreSQL 9.1 from backports. Puppet has version 2.7.14. Unfortunatly the init script returns the wrong exit code for status. Therefore I wrote a custom status command ...
8
votes
3answers
2k views

Linux- Is an MTA required?

My VPS image (Debian 6) comes pre-installed with sendmail as the MTA. I will use this server as a web server, and maybe other usages but not as a mail server. I want to remove as many unneeded ...
6
votes
1answer
530 views

How can I apt-pin stable?

I changed my mind some time after install, and would prefer stable to testing for this particular system. Unfortunately, I currently have packages at old testing versions. I need to force a downgrade ...
5
votes
3answers
4k views

Troubleshooting linux server reboots?

I have a Linux server I've just set up, debian squeeze, 2.6.32-5-amd64, and over the past week it's rebooted three times, twice in one day. There was no power outage that I am aware of (and it's ...
5
votes
4answers
3k views

mysql connection is slow (5seconds)

After building my webapp on a first boot i create 2 connections to mysql on debian then 1-2 (r/w) for every page after that. The connection consistently take 5.2 seconds to connect. Debian is in a VM ...
4
votes
4answers
948 views

Starting a script as another user

I've created a script in /etc/init.d/ which has to run several other scripts from other (non-root privileged) users from their home directories, as if they started them. I launch these scripts ...
4
votes
2answers
3k views

After upgrade to wheezy apache fails to start

I have upgraded from lenny to wheezy and now apache fails to start: # /etc/init.d/apache2 start ...
4
votes
4answers
3k views

apt-get update mdadm scary warnings

Just ran an apt-get update on one of my dedicated servers to be left with a relatively scary warning: Processing triggers for initramfs-tools ... update-initramfs: Generating ...
4
votes
3answers
1k views

Clone/Mirror Live Linux (Debian) Server

I've probably read every serverfault article on this matter, but none seems to answer my specific question or they seem like dated methods. I have a live running debian (Lenny) system on Dell ...
3
votes
4answers
1k views

Slow disk I/O in KVM with LVM and md raid5

I have been battling with a kvm setup under debian for two weeks now, specifically with guest I/O disk performance. The system: -Supermicro 1018d-73mtf (X10SL7-F motherboard) -16GB ECC/UB -Intel ...
3
votes
1answer
409 views

Troubles with Dovecot + Webmin on Debian 6.0

I installed Apache, PHP5, MySQL and Webmin on a vps. I host my website on that. I completely reinstalled whole VPS with fresh installation of Postfix and Dovecot. But Dovecot fails to start, so ...