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

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2answers
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Automate Postfix instalaltion with debconf-set-selections?

I'm currently trying to automate my Postfix installation and most things work really... but I can't seem to stop postfix-policyd asking for the MySQL root password. Here is what I got so far: ...
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0answers
7 views

LXD 2.0 on Debian 8.4

I'm running Debian 8.4 and would like to set-up recently released LXD 2.0. Is this feasible, or should I stick with LXC? It seems all focus is on using LXD with Ubuntu.
2
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1answer
43 views

Sending mails from Gmail through my VPS (postfix, dovecot, postfixadmin)

This problem has been bugging me for a long time now and i want it to be fixed. On my VPS I have set up Postfix working correctly with postfixadmin and dovecot. (I can send (by terminal) and receive ...
1
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0answers
12 views

Apache webserver - Mod status

Heey all, I have a question regarding the Mod Status module of Apache. https://www.apache.org/server-status As you guys can see there is a line: Total accesses and a value after it. Is it possible ...
11
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3answers
23k views

Why do ICMP Redirect Host happen?

I'm setting up a Debian box as a router for 4 subnets. For that I have defined 4 virtual interfaces on the NIC where the LAN is connected (eth1). eth1 Link encap:Ethernet HWaddr ...
2
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0answers
19 views

Routed bridge networking for KVM guests along with eth0 alias interfaces for shared hosting with dedicated IPs for each virtualhost

First question here on serverfault, so kind of a newbie, all feedback is welcome. I have a dedicated server running Debian GNU/Linux 8.4 (jessie) with one public IP and multiple additional public IPs ...
1
vote
1answer
29 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 ...
2
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1answer
16 views

Finding source repository for Debian packages

I have a Debian wheezy server which has many sources configured under /etc/apt There's seems to be a lot of duplicate sources, and I would like to simplify this. In order to avoid breaking anything, ...
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0answers
8 views

Add mod_deflate (for SVG) for a single VirtualHost only

I have Debian/Jessie with apache2 (2.4.10-10+deb8u4) (and a WordPress installation). I added the following line in /etc/apache2/mods-enabled/deflate.conf to enable mod_deflate for svg+xml globally: ...
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0answers
12 views

where is my disk space being used in Debian 5?, please advise [duplicate]

Untitled Document Hello i have a virtual server with a Debian disk of 13GB,3GB RAM, only 13% is free disk space. There is a Mysql database of 2GB I have executed a few of commands but it ...
1
vote
1answer
19 views

PostgreSQL installation under debian

I'm trying to install PostgreSQL server on a server running debian8. I installed the package postgresql-9.5 with apt, but it seems like there are missing programs. I tried to create a cluster but ...
1
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2answers
27 views

Debian: error in upgrade script?

I just ran apt-get update and upgrade to get the latest updates for my Debian stable server. It included a bunch of PHP5 updates. One (libapache2-mod-php5) threw an error: ERROR: php5 module already ...
0
votes
1answer
1k views

exim4 multi domain relay - update-exim4.conf.conf

I am trying to configure a Debian vServer to relay mails for multiple domains pointed to the vServer. The vServer has a fixed ip. The webserver for all domains is working fine. With one domain the ...
0
votes
1answer
19 views

Firmware RAID5 and SED on Linux

I have three HDD's (Seagate ST4000NM0053) in a RAID5 set-up using firmware RAID (RSTe 4.0, Intel® C612 chipset) on Debian 8.4. They are SED, so I would like to set the ATA password. Unfortunately, my ...
1
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1answer
1k views

Java 7 on a V-Server: “Could not reserve enough space for object heap”

I've just installed Java 7 & Jenkins on a V-Server with 1Gb of RAM # java -version Error occurred during initialization of VM Could not reserve enough space for object heap Error: Could not ...
1
vote
1answer
22 views

Redirect alias but not IP

I have a virtual private server under debian 7 . On this server I have a website accessible at let's say https://www.monsiteweb.fr My IP adress is let's say 212.227.100.200 and I can acess to ...
2
votes
1answer
47 views

Debian : SSH port attack continues, cannot change port coz of provider, suggestions?

We have a debian server, which is running our Tomcat hosted applications and we have installed Fail2Ban on it. Everyday morning I see that a lot of people on the internet try to attack the server. ...
2
votes
2answers
814 views

KVM: how to confirm does kvm uses kvm-kernel-module?

This can sound a little bit paranoid but I really have a doubt that my configured libvirt+kvm uses any hardware acceleration in debian. I setuped it with this guide. in fact i've checked already, ...
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0answers
20 views

IPv4/IPv6 dualstack setup in Debian/Ubuntu via preseed

I use preseed to provision my Ubuntu 16.04 installation. It has the following options to set up IPv4 or IPv6 address # Static network configuration. # # IPv4 example #d-i netcfg/get_ipaddress string ...
0
votes
1answer
25 views

Debian as VPN Server for Cisco ASR

I've to set up a Debian Server who should connected by a Cisco ASR via Side2Side VPN with a preshared key. Tried Open-VPN, but found out that both sides need Open-VPN. So the Cisco ASR is the VPN ...
0
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0answers
40 views

Why I can't upload a 4k video to phpvibe?

So I trying to playing with Google VM tools and Phpvibe. My chalange is, you can upload any video whatever you want, to the site and after that the server is convert to the optimal format, so you can ...
4
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1answer
2k 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 ...
1
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0answers
280 views

Debian/Apache - Set up a git server + gitweb without virtualhost

I'm struggling to set up a clean and working git server with gitweb without virtualhost. Software Debian 8 Apache 2.4 Initial setup mod userdir activated Apache DocumentRoot is ...
0
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1answer
50 views

Debian 8 GitWeb page shows source-code

Recently I have started to set-up my own WebServer after buying a domain and planning to host my portfolio on it. But before that I needed a way to display anything at all on my domain, so first thing ...
1
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1answer
2k 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 ...
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1answer
1k views

Debugging frozen Gnu screen session?

We've been using GNU screen on our jump box to have ssh sessions open to multiple hosts within our private network. One window per host. Recently we've built a new environment and are experiencing ...
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0answers
16 views

Network bridge fail: RTNETLINK answers: File exists [closed]

So, i have a Debian Testing network router, which started acting up on me. I'm getting this error on network initialization: Apr 24 17:40:42 r2d2 ifup[621]: RTNETLINK answers: File exists Apr 24 ...
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votes
1answer
57 views

Someone else domain is pointed to my IP [closed]

I've just done a routine reverse IP check. And saw that 2 domains are pointing to my IP. This is getting me really worried, as I was told they could be preparing to attack my server. What exactly ...
2
votes
3answers
83 views

What does -P INPUT ACCEPT mean with regards to iptables?

I'm fairly new to iptables, and am trying to figure out if I've configured my ruleset appropriately. With regards to the -P INPUT ACCEPT part of my question, I am trying to determine if this is valid ...
1
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3answers
3k views

Disable user_deny.db in Cyrus/imapd

We have a cyrus 2.4.12 on Debian, we use packages, rather than building each software ourselves. I am getting the this "log" constantly, a lot of, various users, and 8-10 times per user request: ...
4
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2answers
2k views

OpenVPN bypass on some ports

I have a server running Debian 7 and I would like to connect to a VPN and let all the traffic pass via the VPN except for some ports (SSH, hosted websites, etc). I've searched for some time now in ...
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2answers
1k views

Lighttpd with FastCGI won't create /tmp/fcgi.sock on startup?

I'm running lighttpd-1.4.19 on a debian 5 box and try to run web2py with fastcgi. The problem with that is, that lighttpd does not create the socket file /tmp/fcgi.sock. If I'm creating the file by ...
0
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1answer
10 views

Dhcp Classless Static Routes hook error

I have a dhcp server that hands network information to vms of mine. It works fine for centos6,7 , and debian 7 clients. However it fails for Debian 8 and Ubuntu 16.04 clients. For the ones where it ...
3
votes
2answers
1k views

iptables 1.4 and passive FTP on custom port

after the upgrade from debian squeeze to wheezy I've got a problem with passive FTP connection. I could narrow it to be iptables related, as I could connect via FTP w/o problems after adding my IP to ...
1
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2answers
1k views

/etc/init.d/ssh restart does not reload the configuration

I've added a chroot configuration to my /etc/ssh/sshd_config. I reload the configuration file using /etc/init.d/ssh reload, then try to connect using an SFTP client, but nothing changes, the user is ...
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0answers
14 views

Forbidden return on gitweb Subdomain

My website (https://brentdijsselbloem.nl) has a subdomain: "git"(http://git.brentdijsselbloem.nl) to host my git repositories for my project group. One of the assignments is that I need to write a ...
1
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3answers
1k views

Getting debug output from a debian initramfs

I'm attempting to configure a server for a debian lenny on software raid0 and a LVM root filesystem via the serial console and the hosting company's recovery console (basically an ubuntu liveCD). ...
1
vote
1answer
2k views

Finding local IP addresses using Python's stdlib under Debian jessie

I am writing a distributed systems program in python, and in this program I need to know the local ip-address... eg. 168.192.... 10.13..... etc, not 127.0.0.1 or hostname. I have found following ...
6
votes
5answers
17k views

nmap on my webserver shows TCP ports 554 and 7070 open

I have a webserver that hosts various websites for me. The two services that are accessible outside are SSH and Apache2. These are running on a non-standard and standard port, respectively. All other ...
1
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0answers
28 views

Can't find used inodes on server

I have a Xen VPS with Debian Linux installed. Once I found that all inodes are used. I checked this: ~# df -i Filesystem Inodes IUsed IFree IUse% Mounted on rootfs 3932160 3932160 ...
10
votes
3answers
22k views

How can I move /var/log directory

on our production server, there is a small drive for the main mount point "/" /var/log is taking much space and I have to manually delete some files. How can I move /var/log/ to let's say /home/log ...
1
vote
1answer
36 views

OpenSSL on Debian 8 can't authenticate certificates from Akamai (GTE/Baltimore CyberTrust Global Root)

On Debian 8.4 (with ca-certificates package) openssl doesn't seem to know about CAs required to verify connections to Akamai signed by "GTE CyberTrust" and "Baltimore CyberTrust". The GTE CyberTrust ...
1
vote
1answer
28 views

Google Cloud Platform: ssh from VM_1 in project_A to VM_2 in project_B

I am trying to connect virtual machine VM_1 in project_A to virtual machine VM_2 in project_B. Bot are on Debian Linux. Steps I did: On VM_1 Project_A Generated private and public keys ssh-keygen ...
0
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1answer
33 views

DHCP renew fails with multiple subnets on same link

Our network currently consists of 3 subnets on the same link: 1.2.3.0/24 is the global subnet 10.1.0.0/16 is used for NAT (because there are far more than 200 clients) 192.168.0.0/16 is the "guest ...
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0answers
7 views

exim4 failed to read delivery status : frozen message

I'm having some difficulty with exim4 in that after sending an auto_away message successfully, it has difficulty reading the status and then creates a frozen message in the mailbox. 2016-04-19 ...
1
vote
1answer
41 views

Reprepro export could not find signing key

We have a private debian repository that was set up years ago by an earlier system admin. Packages were signed by the older key, 7610DDDE (which I had to revoke), as shown here for the root user on ...
1
vote
1answer
3k views

Can't install new database in OpenLDAP 2.4 with BDB on Debian

I'm trying to install an openldap server (slapd) on a Debian EC2 instance. I have followed all the instructions I can find, and am using the recommended slapd-config approach to configuration. It all ...
2
votes
1answer
2k views

redmine gives 404 error after installation

I am using Debian squeeze with nginx and mysql. After raking db and loading default data to redmine. When i try to visit redmine in a browser, http://ipaddress:8080/redmine, I get a 404 error Page ...
1
vote
1answer
24 views

lxc 1.1.2 on Debian Squeeze

I am running lxc 0.8.0 inside Debian Squeeze (Linux kernel 3.4.34). Does anyone run lxc 1.1 or newer inside Linux kernel 3.4? As I know, docker require Linux kernel version at least 3.16. What is the ...
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2answers
1k views

Guest networking not working on Debian Jessie Host server KVM with br0 bridged network

GUESTS networking not working at all. In other words guest can not ping host or lan gateway. I have br0 bridge already created, also brctl show that vnet0 was properly added by KVM to br0 on guest ...