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

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Debian Jessie : dhclient always active

On fresh installs of Debian Jessie, after I set a static ip address, the DHCP client is still active. It even revert back to the dhcp ip address when the lease is renewed. step 1: I modify ...
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1answer
8 views

Dovecot install error: Sub-process /usr/bin/dpkg returned an error code

I am trying to install a mail server on my Raspberry Pi. I have setup the FQDN and run apt-get update, and am trying to install postfix, mysql and dovecot with the command apt-get install postfix ...
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0answers
9 views

How to create a sub project in weblate?

I just setup a new server with weblate software send I have no clue how to set correctly a sub project with github source. Can anyone please post a model to follow? The documentation at weblate is ...
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0answers
7 views

Postfix (using Exchange as relay) ignores /etc/aliases for outgoing mail, but not for icnoming

I have a Debian 8 server with Postfix. Postfix uses an Exchange server as relay host. In my /etc/aliases I have several aliases like # aliases for incoming mail incoming: |/path/to/my/program # and ...
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0answers
12 views

Create LVM2 volume group on top of RAID1 array

Basically, I have sda and sdb in RAID1 (mirroring). The RAID device is md0. I need to create a volume group on md0. I boot the OS from this RAID array. The command pvcreate /dev/md0 returns Can't ...
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0answers
11 views

UFW not working on Debian while ufw status looks good

The problem is: On a server that has several interfaces, loopback, eth0 with public IP and several Docker virtual interfaces, I wanted to use UFW to deny all of the incoming traffic on eth0 for the ...
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vote
5answers
75 views

Find IPv4 broadcast address of a device

I need to determine the IPv4 broadcast address of a device (if any) with a shell script. If there are several, pick one (e.g. first as ordered by /sbin/ip). I have a solution, but i do not like it ...
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1answer
17 views

Running remote script via ssh command

I have a script on remote Debian server machine and I want to run a command by invoking: ssh server "find.sh" My find.sh script is in in: /home/user/bin First of all, I ran ssh server "echo ...
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1answer
14 views

Debian 8 Jessie with older Kernel - Do I have to expect problems?

I have a virtual server that I tried to upgrade from Debian 7 to Debian 8. Unfortunately, I cannot use the new kernel: it still uses version 3.2.41-042stab108.2. Everything else seems to have been ...
1
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0answers
19 views

What kind of ram usage is bad ram usage?

We have been monitoring our Debian servers' ram usage in order to receive alerts when the ram usage goes over a certain % threshold. However, a high % ram usage is not necessarily a problem can even ...
1
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0answers
10 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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2answers
38 views

Redirect subdomains to services on different ports of same server

I have a VPS which has 1 IP. If I run two socket servers, one on port 8080 and the other on port 8081, is there a way I can map service1.mydomain.com to the socket server on port 8080 and ...
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0answers
22 views

Installing package fails with “tar: Invalid argument”

I'm running a docker container based on debian:wheezy to install wp-mirror. I'm running into a lot of dependency problems when running apt-get install wp-mirror, it seems to work after running that a ...
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0answers
53 views

Why apache2 is continuously failing?

I have issues with the server constantly. It seems to fail every few hours and I cannot tell why. This morning I had 503 on all of my websites, I tried to restart Apache but # service apache2 ...
0
votes
1answer
44 views

NFS stop working when on a lvm

I have a nfs server that was working correctly with a share on /exports/something. However, when I mount /exports/something on /dev/mapper/something (a lvm with more space) the nfs does not work. The ...
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0answers
26 views

mail dovecot: auth: Fatal: unknown database driver pgsql [on hold]

My dovecot/exim4/courier mail server worked perfectly well on Debian, until on Thursday morning it didn't. SMTP refuses to send email outside localhost, but roundcube webmail works well. I use ...
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votes
2answers
43 views

How to stop small DDOS attacks (443 port)?

On the server goes DDoS attack. ~# netstat -n -p | awk '{print $5}'|awk -F: '{print $1}' | sort -n | uniq -c | sort -nr | head -n10 48 109.229.9.53 47 31.207.244.130 45 87.252.227.83 ...
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1answer
26 views

Debian 8 + PHP: /tmp/ Permission denied

I had a website running fine on Debian 7 + PHP 5.6, and recently decided to upgrade my Debian installation to Debian 8. Everything went fine, except for a small thing. While running the same code, ...
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votes
1answer
44 views

ubuntu ftp 500 OOPS: prctl PR_SET_SECCOMP failed

I have just installed vsftp in my ubuntu 14 server. I have installed vsftp also using sudo apt-get install command. then restarted ftp server but it refuse all connection for this error 500 OOPS: ...
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votes
2answers
26 views

How to separate solr/home and data/dir in Catalina/localhost XML file?

I've the following configuration file within conf/Catalina/localhost in Tomcat 7: <Context docBase="webapps/solr.war" debug="0" crossContext="true" > <Environment name="solr/home" ...
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0answers
28 views

Upload problems from some of my users [on hold]

I have the problem that some of my user with 64k connection can't upload anything using php in my community. Error in Logs: [Thu May 28 19:13:47 2015] [warn] [client XXXXXXXXXX] (70014)End of file ...
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0answers
18 views

unmet dependencies after an upgrade to Debian 8 [migrated]

After upgrading an amd64 Debian 7 to 8 I can not upgrade grep. What do I have to do to fix this? root@xyz:~# apt-get upgrade Reading package lists... Done Building dependency tree Reading ...
0
votes
1answer
7 views

How to override default `solr.home` in XML files under `Catalina/localhost`?

I'm trying to configure two instances of Solr on the same host and I'd like to override solr.home for each instance. I've created two files under Catalina/localhost/ as suggested in Solr Tomcat wiki: ...
0
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1answer
40 views

Windows Hyper-V Debian going into Read Only mode

I am running Debian 7.8 (wheezy) which is installed on a Windows Hyper-V server (not managed by me). However, the server frequently goes into 'read only' mode and I am not sure why. I have looked in ...
0
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1answer
22 views

OpenVPN limit monthly transfer

I want to limit clients with my OpenVPN to about 5gb/month,then autodisconect them until the next 1st. Is there an easy way to do this with Openvpn?
1
vote
1answer
15 views

What is the best way to run unoconv in php on debian server?

I have a php script in which I need to convert doc documents to html files in order to show them in a web page. I'm doing the conversion with the php command: exec ( $Command, $Output, ...
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2answers
28 views

What's the file upload to a single folder limit on a Debian server…?

How can I maximize the limit, so I can upload around 1.000.000 images of book covers into a server running a website? Our server has 100 GB disk space and the images are under 10 GB, so why does my ...
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0answers
12 views

How to transfer apache ssl certificate from cent os to debian

I have a VPS running cent os 7 and I need to transfer the SSL certificate from it to a dedicated running debian .SSL was made in gandi.net. The problem I have in debian I must configure apache 2 ...
0
votes
1answer
31 views

Backup kvm Virtual Machine with lvm

I'm new to virtualization and have been searching for a while for a flexible disk format for setting up a kvm VM, after some reading i decided to go with lvm. And did set up the disk and the ...
2
votes
1answer
25 views

Proper Way of Setting Umask For php-fpm on Debian/Ubuntu

I'd like to set umask to 002 for the php-fpm process. I'm reading here and here that on Ubuntu/Debian it is supposed to be done by modifying the init script. I'm having doubts however that this is ...
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2answers
38 views

How to upgrade PHP 5.4 to PHP 5.6 on Debian GNU/Linux 7 (wheezy)

I've added these lines to /etc/apt/sources.list deb http://packages.dotdeb.org wheezy-php56 all deb-src http://packages.dotdeb.org wheezy-php56 all But still sudo apt-get update or sudo apt-get ...
1
vote
1answer
11 views

Debian - One Gateway 2 interfaces how to?

I have this scenario. 4 VM Debian8 : 1 DHCP 1 DNS 1 GW 1 Client I can ping from all my VM (except GW) each other (@ip or hostname). My GW have 2 interfaces (eth0->LAN / eth1->WAN). From it I can ...
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votes
2answers
64 views

Can ping by IP address but not by hostname [closed]

I have 3 Debian VM. 1)DNS 2)DHCP 3)Client DHCP looks ok. I got my fixed-address on DNS and Client like I want. When I try to ping each of them @ip it's responding. If I try to : ping dhcp But I ...
0
votes
2answers
65 views

rDNS 'zone [xxx] has no address record (A or AAAA)

teaching myself some server tricks. Getting trouble with bind9 on debian8. named-checkzone pro.lan db.pro.lan.inv zone pro.lan/IN: NS 'server.pro.lan' has no address records (A or AAAA) my ...
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0answers
17 views

Need all local traffic through Debian - Routing? [migrated]

Been dealing with this for some hours now and my head are really spinning. So I got this cable network router (192.168.0.1) that Im trying to pass all my local traffic to. But I cannot for the life ...
1
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0answers
25 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 ...
-5
votes
1answer
23 views

Can I install AdBlock as a proxy on Debian [closed]

I'd like to route PART of my incoming traffic through AdBlock. Is it possible to set up a proxy on my Debian server so that I can choose which traffic I want to have filtered?
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0answers
18 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 ...
-2
votes
0answers
16 views

How to find out if my server is affected from Openssl Heartbleed vulnerability (debian wheezy) [duplicate]

First of all I'm new with linux and ssl so please be kind with me. My question is: How to know if my server is vulnerable to heartbleed bug in debian wheezy? (CVE-2014-0160) This is what I know... ...
0
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2answers
49 views

MySQL, NFS and symbolic links

I have been migrating an older server running apache2 + mysql under ubuntu to a new server running debian (wheezy). The migration works fine while the databases are storted localy (in our case ...
0
votes
1answer
12 views

run remote command to save debian package list

I'd like to backup the package list(dpkg) of some remote computers to a backup server: all of them running Debian. I already configured the rsa key to login remotely as root on the other computers ...
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0answers
15 views

Debian apt install single package from experimental but keep original system upgrades

I'v installed xfce 4.12 on debian jessie from testing by adding the testing repo in /etc/apt/sources.list.d/testing.list File content: deb http://ftp.us.debian.org/debian/ testing main ...
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0answers
18 views

Clone Linux user (copy user, based on another one) [migrated]

How can I create a new system user, an exact copy of another one (having the same groups, permissions, privileges and settings), but with different username, password and home directory?
3
votes
1answer
66 views

Debian Server Keeps Restarting Unexpectedly

My laboratory' server with Debian-Wheezy-7.8-Stable keeps restarting few times after some hours of uptime without any notification. This server is set up for considerably high load numerical ...
0
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1answer
40 views

Some mail providers reject my mails

I recently moved to a new server and now one of my users complain about e-mails which don't reach the recipient. The mail logs tell me that they reject the mail AOL will not accept delivery of this ...
1
vote
1answer
45 views

Why would updating postgresql-client uninstall postgresql?

On a Debian 7 server, apt-get was offering me to upgrate the following 2 packages: postgresql-9.1 and postgresql-client-9.1. Since I didn't want to restart the database server, I decided only to ...
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0answers
74 views

stack.sh - OpenStack installation failed

I think it's 45th time I'm trying to install OpenStack - I've tried all possible methods I know ( openstack-deploy, manual, stack.sh ) .. but I'm still getting some problem. I would like to have that ...
2
votes
0answers
44 views

Issues getting systemd service to start (Jessie)

I've got a systemd service which I need to have run prior to networking having started and I'm struggling with it a little. According to this: Running Services After the Network is up I need to use ...
1
vote
0answers
21 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 ...
0
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0answers
40 views

Run shell script as Supervisord subprocess?

I have a Django 1.6.2 application that uses Celery 3.1.7 for asynchronous tasks. I'm starting my Celery workers using Supervisor. So far everything is working well except when I reboot my Debian 7.8 ...