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

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0
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2answers
59 views

How to configure ssh access for an unattended linux-distro ISO image for local development env similar to accessing cloud service VM instances?

I configured Packer.io to build unattended iso installs of various debian-derived distros to VMware fusion. As i configure the VMs manually for ssh access, it times out and the build artifacts created ...
0
votes
0answers
31 views

Permission with cyrus

I am running Cyrus at a Debian 7 system. I want to increase security by only allowing specific services the access to the SSL private keys. I created a group "ssl" which contains the users ...
1
vote
0answers
39 views

Is it overkill to use Ganglia and Nagios for one server? [closed]

In my home I run a Plex/Data server. It basically just serves everyone's files and then Plex to play movies and such. A Teamspeak server also runs on it, but nothing major other than those tasks. I ...
0
votes
0answers
35 views

Running MariaDB Galera (5.5) Cluster on Debian failing to start

I am struggling to get a MariaDB Galera cluster running on my Debian 7 machine. I am trying to setup a cluster with two nodes both running on Debian 7. When I first install Galera I can run it find. ...
0
votes
1answer
51 views

imapd-ssl: admin: No such file or directory

I am trying to set up my VPS so I can use Thunderbird IMAP to manage my mails. First, I installed postfix and followed this guide to create an SSL certificate. Then I installed sasl2-bin and ...
0
votes
1answer
55 views

Debian unattended-upgrades does not upgrade all packages

I have installed the Debian unattended-upgrades package. It upgrades most, but not all packages. If I execute apt-get upgrade after it has run, a few more packages will be installed. Here's my ...
-1
votes
0answers
17 views

Debian Squeeze character encoding issue [migrated]

I'm running Debian 6.0.7 (Squeeze). Normally, to get the euro symbol, I would type altgr-$ and this works fine on Ubuntu but with Squeeze when I hit those keys the cursor jumps back to the beginning ...
0
votes
0answers
17 views

xinetd stops working in Debian Wheezy

We have a server with a whois service running. The whois service is provided by xinetd. The configuration file /etc/xinetd.d/whois looks like this: service whois { socket_type = stream ...
1
vote
1answer
51 views

Why was an older version of Nginx installed?

I installed Nginx and PHP5-FPM and have it all working, but I noticed that I have Nginx 1.2.1 installed and not the most recent stable version (1.6.x). I also noticed that PHP-FPM had PHP 5.4 and not ...
1
vote
0answers
203 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 ...
-1
votes
2answers
63 views

Debian 7 password recovery [closed]

During installation, I've set up a password which I have typed wrong twice, and now I'm not allowed to gain access to my root account in Debian. I'm trying to procedure like ...
1
vote
1answer
14 views

Debian Fail2ban action.d and filter.d scripts

I have a debian wheezy server on which I use Fail2ban that was loaded with the package installer. I noticed that while the version on my server (0.8.6-3wheezy3) is current, it does not match up with ...
0
votes
0answers
20 views

uWSGI suddenly won't start again after server crash on Debian

After my server crashed i am unable to start uWSGI again, and keep getting following errors on unlink() and bind(). I start my service as root, so it makes it even more strange. Sun Nov 16 15:25:24 ...
0
votes
1answer
82 views

“apt-get -y upgrade” in cron task runs but does not upgrade the system

This server runs Debian 7 and I'm facing a big mystery. Here are my cron tasks: $ sudo crontab -e 42 15 * * * apt-get -y update >> /var/log/my-apt-update.txt 52 15 * * * apt-get -y upgrade ...
-1
votes
0answers
23 views

CIFS strange permissions

I'm using a NAS that share directories by samba. On my Debian server, I want to mount a share directory on /var/www/share. What I do in my fstab (uid 33 = www-data's id) : //10.0.1.103/myshare ...
1
vote
1answer
44 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 ...
4
votes
2answers
95 views

Confused about alias_maps and virtual_alias_maps

I have already re-read the docs on this as well as other posts here and this is still very unclear to me. I have been testing various things to understand the difference between alias_maps and ...
-1
votes
0answers
21 views

POSTFIX How can I block spam with spoofed header that appear to be sent from the recipient's mail address?

I am managing a mail server with some domains on it, I am running postfix and courier on Debian. I am blocking spam by adding rules to the postfix header_checks, but, some domains are receiving spam ...
2
votes
3answers
57 views

What functionality does smartd lose when disabling state saving or attribute logging?

I'm trying to let my backup server have its disks in standby as often as possible. Outside of smartd or actual backup usage, the disks currently spin up once per day (various cron tasks). smartd, by ...
0
votes
1answer
29 views

How to setting SNMP in Debian 7?

I have a problem when installing snmpd in debian 7. Smpd can not be accessed from outside (I use PRTG), I've set rocommunity to public, but not working. I am looking for a solution on google, but I ...
3
votes
1answer
53 views

Debian staff group causes problems

We have an (old and grown) infrastructure of linux machines (mostly debian). For user authentication we use LDAP where we have defined several groups with different access rights. Unluckily one of ...
0
votes
0answers
20 views

Using Xenlight with libvirt in debian, Unable to configure listen with remote libvirt

I am using libvirt 1.2.0 with xen hypervisor 4.4 in debian server. I am facing error when I try to connect remotely with other libvirt using TCP or TLS. I couldnt make libvirt to listen to the port. I ...
2
votes
2answers
84 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
1answer
49 views

How to get all the Debian CD ISO files to Blu-ray [closed]

There is a machine running Lenny without raid. It does pose a problem in case of HDD failure. Safety plan was like this: Install Lenny on clean disk of same properties, then copy/replace all the ...
-2
votes
1answer
100 views

With two NIC cards, in Linux (Debian), how do I keep the NICs from getting the same ip address? [closed]

I am using Debian 7 (wheezy). I have two physical NICs. I have used ifconfig and gnome-nettool to try and solve this. When I look at the device tool I see eth0 and eth1 (and the loopback). eth0 ...
1
vote
1answer
75 views

ldap/AD proxy: Unable to bind using sAMAccountName, but last name and first name is able to bind

I am attempting to set up a pass-through proxy to Active Directory, using ldap on Debian Wheezy. The slapd.conf file is below. I can bind just find by using lastname, first name: ldapsearch -x -h ...
0
votes
1answer
24 views

Shared FTP folder creation

I have installed ProFTPd and configured users' directories privately. I would like to make also a shared folder, that can access all the users. How can I do this?
0
votes
0answers
51 views

How can I perform mass provisioning of Debian Guest VMs on XenServer?

There are a number of tools for provisioning physical and virtual servers, but I can't see a well documented solution for provisioning XenServer Debian guests, apart from using XenCenter itself. With ...
0
votes
0answers
53 views

Postfix server rejecting sender address

I installed a mailserver (postfix / dovecot) on my Debian Wheezy system and cannot send mails. Since I just want to administer a mail server and don't have a domain yet, I'm working with the external ...
0
votes
2answers
51 views

httpd always keep start itself, the cpu load is very high

My dedicated server has a problem after i reboot itself. The cpu load average is very high as following detail after i run top command top - 23:40:41 up 50 min, 3 users, load average: 236.24, ...
0
votes
0answers
9 views

iptables NAT can't initialise on Debian openvz [duplicate]

So i want to create a nat rule for an openVPN server. After getting trouble with the TAP/TUN Devices, it's finally working i think It's working greate but not routed so useless. Now i have to make a ...
-1
votes
1answer
66 views

VPS novice - What is wrong with sshd_config? [closed]

I've recently acquired a VPS running Debian 7 32bit Minimal and I'm very new to servers. When I try to connect using PuTTY and the SSH Access Information, I get the message "Disconnected:No supported ...
0
votes
1answer
55 views

ssh operation timed out while trying to connect from home [closed]

I got server (server X) I'm trying to connect using ssh. But I get 'operation timed out'. It happens only when I'm in home. If I change internet provider it works. Though I can connect to other ...
0
votes
1answer
48 views

Not everyone can write to new files made in /var/www

I followed the most upvoted tips in this thread. What's the best way of handling permissions for apache2's user www-data in /var/www? I just made a new file under one user1. However user2 ...
0
votes
3answers
45 views

Delete file as different user under PHP

I'm running PHP as user www-data and Nginx is running as user nginx. I need to delete files in /var/cache/nginx/, which is owned by user nginx and I want to do it using PHP. Is there a way to allow ...
0
votes
0answers
18 views

NIS on mulithomed system serving two separate subnets, with two different dns domain names

We have problem with setting up NIS and using one NIS domain in two separate networks. Our current setup is as follows: We have one computing cluster with 20 PCs in a local subnet (192.168.0.0/24, we ...
2
votes
1answer
86 views

Openvpn server with bind9 DNS on AWS. Linux client cannot resolve host names.

I have a openvpn server set up and working on an AWS debian instance. It works as should but I want to push DNS queries to linux clients from bind9 which is on the same server as openvpn. All seems to ...
0
votes
0answers
26 views

Debian ethernet interface goes down while streaming video

While streaming video FROM a debian box to the rest of a network, I regularly see the ethernet interface go down on this box after a couple hours of streaming and it doesn't come back up until the box ...
0
votes
2answers
154 views

how to bypass a domain from squid proxy server

I have installed squid3 on debian and routed all traffic trough it. I need to bypass one domain from server side, i.e domain abc.com should always bypass squid and should directly connect to the ...
4
votes
1answer
57 views

Multiple websites on multiple servers - seperate mysql or not

I currently have 2 Debain boxes (VPS - 4Gb memory) and am hosting a variety of websites of different importance, some ore production sites, others are demo/staging/test sites. Approximately 15-20 ...
0
votes
1answer
38 views

nginx stopped listening after restarting

I was able to make Nginx run on my Debian 7.7 system using all the default configuration (I didn't touch anything after the installation). I was able to access it by accessing my server's IP. When I ...
0
votes
1answer
30 views

zz-update-grube exited with return code 127

While updating one of the servers I have encountered an error that I can not seem to solve. I have googled around and followed instructions on other threads but nothing is working to solve the issue. ...
0
votes
1answer
21 views

Logging only written on old [filename].1 log files

My log is not written on the correct log file for example syslog, mail.log, mysql.log, auth.log but for some reason the latest event are written on these old log files syslog.1, auth.log.1, mail.log.1 ...
0
votes
3answers
81 views

Ulimit file descriptor limits not being applied for particular process

I recently checked one of our redis processes to what ulimits where applied using: cat /proc/<redis-pid>/limits And was suprised to learn that is was at the low default value: Limit ...
0
votes
0answers
96 views

systemd user units and debian wheezy

I'm running a debian wheezy server and switched to systemd by installing systemd-sysv. So far everything works as before. Now I want to allow users to run/ manage their own units/ daemons with ...
0
votes
2answers
81 views

How to check current TCP Congestion Window on Linux?

Does anyone know how to check the current value of initcwnd? (particularly on Debian [Squeeze]) I've searched, but can't find a definitive answer to this. I haven't changed it, but may want to ...
1
vote
1answer
45 views

Using duplicity in a disaster recovery scenario

I am using duplicity for backups on my Debian servers. I have successfully backed up and restored files using duplicity. In my backup script, I have /usr/bin/dpkg --get-selections > ...
-1
votes
1answer
47 views

Forward incoming packets from port 25565 to natted internal client? IPTables [closed]

I have been learning to use iptables recently and i made a small nat network in virtualbox. I have a Debian server Natting for the internal clients. One of the internal clients is hosting a minecraft ...
0
votes
1answer
58 views

Redirect HTTP to HTTPS /etc/apache2/sites-available/default not working

I know this question has been posted ad-nauseam; however, I still cannot manage to get a working solution. OS being used is Debian 7 Wheezy. vHosts file (/etc/apache2/sites-available/default): ...
0
votes
2answers
94 views

Recommended TCP keepalive settings for a busy server

We are having some network timeout issues on a Debian server that is quite busy, and maintains multiple connections to a number of other servers on the network. Here are our current TCP keepalive ...