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

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3
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2k views

Munin dynamic graph zoom (dynazoom) not working (Nginx, PHP-FPM)

Debian 7.5 Nginx/1.6.0 PHP 5.6.0RC2 (fpm-fcgi) (built: Jul 11 2014 08:17:52) Munin v2.0.21-2 I been searching all over the net for a few days for answers to my problem but it seems like no one knows ...
3
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0answers
390 views

Kerberos, .k5login and sudo

Background: I am using a Debian 7 system which I have integrated with an LDAP+Kerberos system using libnss-ldap, libpam-krb5 and nscd. I have modified sudoers to permit an LDAP group the right to sudo ...
3
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0answers
645 views

OpenSSH server accepts public key then immediately closes the connection without any error message

I am trying to connect to an SSH server I was able to connect to in the past but using different OpenSSH client versions. Starting from a Cygwin OpenSSH_6.6.1, OpenSSL 1.0.1g 7 Apr 2014 client, going ...
3
votes
0answers
170 views

Easily spoof lsb_release output for different versions

I’m often rebuilding software packages (mostly Debian) for older versions (of both Debian and Ubuntu, including oldoldstable). Some of these packages use the lsb_release command to figure out the ...
3
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0answers
116 views

Puppet removes packages while installing “lsscsi”

We wanted to install the "lsscsi" package on all our Linux Servers and build a manifest for it: # pack_lsscsi.pp class common::pack_lsscsi { case $operatingsystem { RedHat, ...
3
votes
0answers
2k views

NAT64 configuration with tayga on Debian 6

I'm trying to implement NAT64 with tayga on my server and came to a point where I'm not sure how to proceed. My server is connected via one IPv4 address and one /64 IPv6 address block to the ...
2
votes
0answers
43 views

Linux Malware Detection Monitoring: Clean files after hit

I'm using LMD ("Maldet") for scanning a web server with different projects. For this purpose I'm using the inotify-monitoring. Well, the inotify-log shows, that the modified files are noticed, but I ...
2
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0answers
205 views

Debian Jessie Hyper-V 2012 - ksoftirqd using lots of CPU time

I have a Debian VM running which uses quite a bit of CPU time in ksoftirqd. I have other servers running Ubuntu (both 12.04/14.04) that do not have this same issue at all and may have to migrate back ...
2
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0answers
100 views

nullmailer swaps sender and recipient

I want to send emails from my server through external mail server. So I installed nullmailer as one of simpliest MTA in Debian 7 x32. My /etc/nullmailer/remotes: smtp.example.com smtp ...
2
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0answers
88 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 ...
2
votes
0answers
982 views

OpenVPN ERROR: could not insert 'tun': Unknown symbol in module, or unknown parameter (see dmesg)

I'm trying to configure OpenVPN on my Debian 7 VPN but I'm getting the following error ERROR: could not insert 'tun': Unknown symbol in module, or unknown parameter (see dmesg) I tried the ...
2
votes
0answers
594 views

rsync termiates after a while unexpectedly

I run a rsync command with nohup in ssh session, but after a while it returns this error: rsync error: received SIGINT, SIGTERM, or SIGHUP (code 20) at rsync.c(549) [generator=3.0.9] rsync error: ...
2
votes
0answers
228 views

How do I get IPv6 packets to my KVM virtual machine?

My setup is: Debian Wheezy x64 on the host and on the guest. I am using a tun/tap setup to connect a virtual machine to the host. The KVM network options I use are: -net ...
2
votes
0answers
124 views

LibVirt (QEMU) Shutting down from inside guest

I am currently running LibVirt with Qemu on Debian Wheezy: Versions: libvirtd (libvirt) 1.2.4 qemu-x86_64 version 2.0.0 (Debian 2.0.0+dfsg-4~bpo70+1), Copyright (c) 2003-2008 Fabrice Bellard It's ...
2
votes
0answers
185 views

Debian, IPv6 is not asssigned to interface

I have a Debian 7 Server with several networks and KVM VMs running configured: 2a01:4f8:191:439b::/64 144.72.132.208/29 The IPv6 Subnet is splitted into /96 Networks to assign each bridge a own ...
2
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0answers
253 views

Debian: how to install a 64 bit package using apt?

I am migrating my system to 64 bit and the debian wiki suggests to first debootstrap a 64bit into a directory, then collect all 64bit packages and install them but this doesn't work. To install 64bit ...
2
votes
0answers
48 views

PHP APC cannot increase cache above 32m

apc.shm_size I set it to 128M I have also try 128 (without M) But It always 32M :( /proc/sys/kernal/shmmax is set to 134217728
2
votes
0answers
218 views

firehol simple config doesn't work on Debian 7

I'm trying to set up a very simple firehol setup under a brand new Debian7 server. I only installed ssh and sudo before this Installed firehol with sudo apt-get install firehol Changed the config ...
2
votes
0answers
199 views

Linux (Debian 7 x64) swapping activity despite lots of free memory

Yes, I have reduced vm.swappiness a lot: % sysctl -a | grep swap vm.swappiness = 1 Memory is mostly free: % cat /proc/meminfo | head MemTotal: 8070592 kB MemFree: 2619580 kB ...
2
votes
0answers
790 views

ext4 root filesystem corruption under XenServer 6.2 DomU

We're with a problem with filesystem corruption in guest machines in a XenServer 6.2 It only happens in Linux Machines. Randomly the filesystem remounts as read-only and them corruption starts on the ...
2
votes
0answers
1k views

Preparing to use BTRFS in Debian 7 Wheezy

Kernel According to the BTRFS wiki support is green-lit for the 3.12 kernel, and neutral for the Wheezy kernel. I have installed the 3.12 kernel from wheezy-backports, so that I'm using a recommended ...
2
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0answers
76 views

Ghost user in debian?

I have an openvz vps with debian, I am new to linux and the command line environment although i can setup a webserver. I have just noticed that there is a ghost user because when i execute /usr/bin/w ...
2
votes
0answers
616 views

NFS server export list empty

After upgrading my router, I am unable to mount NFS shares from a Debian server on an OS X client. I have updated /etc/exports according to the new IP address of the client (first line previously ...
2
votes
0answers
531 views

mdadm error: found two disks with the number 0

Im running a server deep in the forest , and after a hard disco failure i got this error. error: found two disks with the number 0. It a server with 2, 1 TB disc in raid 1 with mdadm 0.9 SDA failed ...
2
votes
0answers
267 views

sshd running at 100%

I'm running an Ubuntu/WordPress server on Amazon EC2 which is experiencing problems every 24-48 hours: I get a CPU alarm from EC2, log into the server, and discover sshd is running at 99.9% CPU. This ...
2
votes
0answers
523 views

How can I use huge pages and libhugetlbfs on a Debian EC2 PVM instance?

On my local machine (i7 9200) running Debian Wheezy amd64 I can get some significant speedups on some "big data"/HPC type stuff by: Following the instructions here to reserve some RAM for huge pages ...
2
votes
0answers
3k views

How to install Oracle Java on Debian Wheezy with make-jpkg and fakeroot without errors?

How to install Oracle Java on Debian Wheezy with make-jpkg and fakeroot? the manual for installing oracle java on debian wheezy is quite clear and understandable: http://wiki.debian.org/JavaPackage ...
2
votes
0answers
565 views

Debian Squeeze Preseed Installation “The current kernel doesn't support the Logical Volume Manager. You may need to load the lvm-mod module.”

I'm attempting to install Debian Squeeze via an instalinux.com image pre-seeded with more or less default settings. (Only notable addition is the openssh server, which is a clickable option in the ...
2
votes
0answers
644 views

udisks-daemon eating up all my memory

I'm operating a little storage server on debian, over the past months I've noticed the process udisks-daemon eating up almost all available memory. Is this just really aggressive caching or a memory ...
2
votes
0answers
202 views

Debian: preseed partitioning results in deadlock

I'm using this code in my preseed.cfg for debian testing (wheezy): #Partman partman-auto partman-auto/init_automatically_partition select 50some_device__________regular partman-auto ...
2
votes
0answers
450 views

Debian squeeze: SSH login works fine, SFTP login returns a Failed password error

I'm currently trying to setup SFTP on debian using openssh. I can still login with all my users using ssh, but as soon as i'm trying to login using an SFTP client like filezilla i'm getting an failed ...
2
votes
0answers
215 views

Xen and Turbo Boost

Running the Debian Squeeze default Xen, I am unable to get any of the CPU frequency scaling stuff going. As soon as I revert to the standard kernel I get it. Digging through the internet it seems ...
2
votes
0answers
309 views

What is the preferred clocksource for a kvm guest running debian?

Our development server is running debian 4.0 (etch) as a guest under KVM. For the longest time, it had sporadic issues where many processes would appear to just hang. We finally found the issue - the ...
2
votes
0answers
227 views

Email Vyatta Log File

I have a vyatta set up as the top layer of security on a website. The vyatta is running IPS which then outputs to a log file. What I would like to do is to set the Vyatta to email me this log file ...
2
votes
0answers
3k views

Debian squeeze as L2TP/IPSec gateway for Android devices

I'm trying to configure Debian squeeze as L2TP/IPSec VPN for Android devices, but with no great success. So far I have done following: Successfully configured Debian with openswan implementation of ...
2
votes
0answers
387 views

PHP + ImageMagick Performance Issues

Good Day, I have two environments: OpenVZ VPS and Pentium 4 local dev machine. They have all packages installed the same way. ImageMagick is compiled from sources without OpenMP support. When I run ...
2
votes
0answers
581 views

Problems installing Gitorious on Debian 6.0.4

i am trying to install Gitorious on latest Debian 6.0.4 but i am running into some problems and hope there is somebody out here who might be able to help. I followed this article: ...
2
votes
0answers
711 views

Force Apache to kill its children after lost connection (“stop button” pressed)

How can I make Apache kill the CGI's that it has spawned, after the client (browser) has closed the connection? I got a couple of CGI's that perform long-running operations and send output every 15 ...
2
votes
0answers
64 views

VE not stopable

One of my VEs sometimes stops working. I cannot reach it via HTTP, FTP or SSH, I only can enter it per vzctl enter X All tries to restart the VE result in a 'Operation timed out', even if I try ...
2
votes
0answers
333 views

Postgres shell logout weirdness on debian

So, strangest thing happening on Debian PostgreSQL user: lab3:~# su - postgres postgres@lab3:~$ plogout lab3:~# And: lab3:~# su postgres postgres@lab3:/root$ pexit lab3:~# What is happening ...
1
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0answers
19 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 ...
1
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0answers
27 views

Debian limit number of TCP sockets for a process (especially tor) on OpenVZ

I have a debian 7.8 server, running on OpenVZ. On this server I'm running a tor relay and some other network services (like apache and mysql). However the tor service seems to eat up all my available ...
1
vote
0answers
46 views

Can I restart dependent service with systemd?

I have created two services, one for a rails app and another for its delayed_job process, I want to restart the delayed_job service everytime the rails service is restarted, can I do this with ...
1
vote
0answers
35 views

Apache Timeout / Deadlock When MaxClients Reached

I'm running Apache 2.2, preform MPM, on Debian Squeeze with mod_php (PHP 5.3), listening on several ports (with memcached running on the same machine). Over the past 6 weeks or so, I've been ...
1
vote
0answers
33 views

Web sites freeze after clicking link - unexplainable ACK packet

We have a sporadic problem accessing some internal links on websites. (Windows Firefox, Internet Explorer, Chrome) Behaviour On first clicking a link, the browser will load infinitely. The second ...
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vote
0answers
9 views

Mark packages to be installed and run aptitude in interactive mode

I want to install series of packages. Selecting all of them in TUI is inconvenient. But if there're any conflicts, resolving them in interactive mode is much easier. Is it possible to mark packages ...
1
vote
0answers
12 views

Not able to access mailman via web interface

I am trying to install mailman on my local machine. I am using debian 8. I installed mailman simply using apt-get install mailman. Then i copied mailman.conf file to ...
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vote
0answers
63 views

SSL Configuration failed in Apache after moving keys/certs to another machine

I'm in the process of moving my website to another server, and after moving the SSL key and certs and recreating the same Apache config, I encounter the following in the error logs at the time of ...
1
vote
0answers
28 views

To use linux as AD Server do I have to change unix permissions (chmod)?

I didn't see a clear explanation about changing folders/files permission on server side when using Linux as an Active Directory Domain Controller (ADDC), but I have problems all the time with ...
1
vote
0answers
39 views

Run Server from Clustered File Server DRBD & GFS2

We are trying to eliminate a single point of failure for our files without a SAN. We currently have a single server for file serving (locally), web server, and database (in VM). Looking at using DRBD ...