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

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2
votes
1answer
10 views

Debian 8.3.0 - PXE installer asking for CDROM?

I'm sure I'm missing something easy, but I can't think of what it is. I used Cobbler to import Debian 8.3.0, but when I attempt to install it on a machine attached to the network, the installer asks ...
0
votes
0answers
8 views

reject_unknown_sender_domain restriction under smtpd_recipient_restrictions

The Ubuntu 14.04's postfix package default configuration file, main.cf, comes with an odd configuration directive: smtpd_recipient_restrictions = reject_unknown_sender_domain, ...
1
vote
0answers
19 views

Upgrade Php 5.4 to 5.6 to fix issues or not?

My dedicated server hosts only a website in php (5.4 apparently), and some databases (mysql). There are also programs like Iptables, Fail2ban set up. The OS is Debian 7.9 I made an update recently ...
0
votes
1answer
12 views

ProFTPD + Debian : list files 19 max

Overnight my ProFTPD server has decided to not list the contents of a folder that has more than 19 files. I have tried creating more than one folder with exactly the same rights, if the folder has 19 ...
0
votes
0answers
9 views

How can I trigger an instant rerun of Check_MK data collection through Icinga?

I am using Check_MK to generate checks to make Icinga (a Nagios fork) monitor a bunch of machines. After starting up Icinga, after some time, Check_MK starts to collect data from the configured ...
0
votes
0answers
4 views

Dell R710 OS install [migrated]

I just bought a couple Dell R710s on Ebay for a home lab and want to install Debian as the main OS. Im new to dealing with server administration aside from Development stuff. I am wondering on where ...
2
votes
1answer
25 views

Run a specivic (older) php version with nginx, php-fpm on debian

In order to migrate old php software, I want to run php 5.3.* so I: Removed php via apt-get purge php* Added the corresponding http://snapshot.debian.org/archive/debian/ to the sources Installed ...
0
votes
0answers
7 views

Server can't boot, showing main process (206) terminated with status 127

The system is Debian 7.0. Booting in recovery mode fails with messages shown in this screenprint: How can I solve this issue?
1
vote
0answers
44 views
+50

Mysql listens to wrong port on restart

I'm working on a 'local' PHP project. It's a PHP app running in a Debian VM intended for use on the user's own PC. I have a couple of python scripts running as root services from /etc/init.d which ...
0
votes
1answer
30 views

DRBD - no resources defined

I have some problems getting a drbd cluster running. When I want to start creating my storage, i get the following error: root@raspberrypi-ha1~# drbdadm create-md drbd1 no resources defined But ...
0
votes
1answer
15 views

How to configure docker to exclusively access a private registry?

I keep images on a private registry. When docker pulls an image and it is not found on the private registry it is instead fetched from the default docker registry. How can one disable the default ...
0
votes
1answer
7 views

HHVM should not write to syslog and messages

I've a problem with hhvm, because it's writing errors to 3 different logfiles: /var/log/hhvm/error.log /var/log/syslog /var/log/messages I only want it to write the messages to the first logfile. ...
1
vote
0answers
14 views

Broadcasting a printer from Cups / Samba

I am currently attempting to broadcast my postscript printer from my debian machine to other (Windows) based machines on the network. I came across this article and this article which explained the ...
0
votes
0answers
12 views

iptable script to block Post request to a specific file [duplicate]

I get these attacks daily across multiple servers (Apache): 135.120.5.180 - - [31/Jan/2016:14:21:08 +0000] "POST /xmlrpc.php HTTP/1.0" 200 598 "-" "Mozilla/4.0 (compatible: MSIE 7.0; Windows NT 6.0)" ...
-2
votes
2answers
42 views

Which log files can be read-only by root?

As I am currently securing my Server, I would like to know which log files can be read-only be root. Is it safe to chmod 600 -R /var/log? I do not want users to look into auth.log and other log ...
0
votes
0answers
17 views

Monit's $HOST variable expanding to “SYSTEM”

For some reason, Monit's $HOST variable is being expanded to "SYSTEM" which is causing problems for emailing (becomes "From: monit@SYSTEM"). The /etc/hostname and /etc/hosts files are correctly ...
0
votes
0answers
20 views

Assigning 2 IPv4 blocks to one interface

I have been assigned these 2 blocks by my provider Block: x.x.x.184/29 Usable range: x.x.x.186 - x.x.x.190 Gateway: x.x.x.185 Subnet: 255.255.255.248 And Block: x.x.x.192/29 Usable range: ...
0
votes
2answers
20 views

IPTables: How to log and set a specific log file

Is it possible log all dropped connections by IPTables and set a iptables.log file for logging in /var/log/?
0
votes
1answer
12 views

Apt-Dater: Error executing Error executing 'lsb_release -a'

I successfully deployed apt-dater (Debian-machine) and apt-dater-host (CentOS) to 2 different nodes via puppet. Now apt-dater is showing the new host, but the state is always "unknown". If I enter ...
0
votes
2answers
25 views

IPTables: apt-get and wget not working

When resetting IPTables, the apt-get and wget command functions correctly and also downloads what I want. But once I activate this firewall, it isn't functional. Pings still work. I want to allow all ...
0
votes
0answers
19 views

MySQL 5.7 under Debian Jessie with postfix-mysql

I currently have MySQL installed from the MySQL APT repository and am on the 5.6 branch. It comes with libmysqlclient18 and postfix-mysql requires it. If I want to switch to the 5.7 branch, APT will ...
0
votes
0answers
10 views

Can't connect to VNC server via OpenVPN

I've got the problem with connecting via VNC to remote computer. Connection goes through OpenVPN and I'm routing 5900 port to localhost.. ssh -p(port) -L5900:vpn adress of machine:5900 ...
0
votes
0answers
4 views

Increase in “table lookup” on old Postfix/PostgreSQL installation

The box is still running PostgreSQL 8.1 and this started to increase a few weeks ago. It is only happening while the server is a bit busy. fatal: ...
0
votes
1answer
47 views

wget giving Segmentation fault

I recently did apt-get update followed by apt-get upgrade on my Debian VPS server. Suddenly (at least) wget stopped working with error Segmentation fault. It's not even trying to do something. So ...
0
votes
1answer
25 views

Combine multiple root server to private network

we have a 4 root (dedicated) servers (no virtual servers/vservers, full hardware servers with asus mainboards and 6 real Intel cores) running Debian hosted by another company and standing in their ...
-1
votes
1answer
35 views

IPTables: Does blocking spoofing, affect any services? [closed]

Do these rules affect any services/applications? Will apt-get and others still work? - iptables -A INPUT -s 10.0.0.0/8 -j DROP - iptables -A INPUT -s 169.254.0.0/16 -j DROP - iptables -A INPUT -s ...
0
votes
1answer
17 views

What user should run the gunicorn process?

When running a Django application on a Debian server, should you create some sort of application user (e.g. "myappuser") and run the gunicorn process as that user or can/should gunicorn be run as ...
0
votes
0answers
14 views

Roundcube unable to connect to Dovecot/Postfix via IMAP

I've recently moved a working isntance of RoundCube from my mail server (running Dovecot & Postfix) to a different server, and pointed it at the original server. However, since the move I have ...
-1
votes
1answer
24 views

Virtualmin updates Debian 8 to Debian 9 stretch/sid

Today i saw that there are ~1000 updates listed in Virtualmin. I decided to update all, and now surprise surprise - running on debian 9 stretch/sid. Did i something wrong? Furtunately i created an ...
0
votes
1answer
43 views

rsyslog upgrade fails: Sub-process /usr/bin/dpkg returned an error code (1)

I'm having trouble upgrading rsyslog on a Debian server. root@trip:/home# apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating ...
-1
votes
2answers
30 views

Do I need mutlipe certificates for mutliple services running

I did a lot of research on this but still I am confused about how many certificates I need to self-sign for each of my services running on my private server. Here is the deal: I am creating my own ...
2
votes
2answers
68 views

nginx logs just failed weekly rotate, how do I determine why?

After I installed nginx, its logs have been rotating weekly as per a weekly cron job on Sunday 00:00 However this week the logs failed to rotate, and I can't figure out why. The only thing I can ...
0
votes
1answer
46 views

MySQL Daemon Lock issue

Last night, my MySQL server went down unexpectedly. On attempting to restart (with service mysql restart - I'm root) it merely hangs. With the mysql -u root -p command, I get ERROR 2002 (HY000): Can't ...
0
votes
0answers
18 views

Debian Mysql 5.6 and MariaDB Instances on Same Server

I'm trying to have Mysql 5.6 and MariaDB to make comparison and track performance between each other. Everything i have found over the internet was this link: ...
1
vote
0answers
13 views

ionice for systemd journal

It happens on my production machines that there is so much logs that journalctl "freezes" the production webservers (by eating all IO). Yup, I'm logging a lot (~4GB compressed per 3-4 hours). As my ...
0
votes
0answers
61 views

Cannot start Debian 8 (Jessie) after installing PHP 7

I've just installed PHP 7 on my VirtualBox VM (host Windows 7, guest Debian 8). Links: german how-to on got-tty.org, Dotdeb blog article "PHP 7.0.2 for Jessie", Dotdeb blog article "Instructions". ...
0
votes
1answer
26 views

Debian server can't connect to outside world and vice versa

At some point within the past 48 hours my KVM server, which had been running without issue for 6 months, went down completely and was unreachable. Using the control panel to my server, I saw that the ...
0
votes
1answer
20 views

ISC DHCP Server “Dynamic and static leases present”

i have a problem similar to Fixed and dynamic IPs in ISC DHPD lead to double lease In my DHCP-Log I often receive warnings like Jan 21 10:20:56 dc2 dhcpd: Dynamic and static leases present for ...
0
votes
0answers
14 views

Remote IP is running script from tmp folder [duplicate]

No matter how many times i kill the process a remote IP is running few scripts from my tmp folder. The scripts are named easy_setup, setup64, setup32. The content of the file is some dump and cant ...
0
votes
0answers
7 views

ldap-overlay with fixed default attributes

i'm having a largish user-base (>>1000) which should be able to collectively use some sharing service. the user base is slowly but constantly changing. esp. we are not interested in privilege ...
0
votes
1answer
63 views

Telnet: Unable to connect to remote host

Related Threads: SMTP server works, but telnet to port 25 does not Can't connect to SMTP server The problem I have a server running Debian 3.2.65-1 and i am having some problems to connect other ...
2
votes
1answer
21 views

Hylafax doesn't answer

First, the configuration : OS : Linux Debian 3.2.68-1+deb7u6 x86_64 GNU/Linux Hylafax 6.0.6 Modem : USR 56k model 5630 (RS232) set on ttyS0 I think my settings are quite good, when I test my ...
0
votes
0answers
24 views

How to unzip a multi-part zip archive with +4Gb files on Linux

I have received a multi-part zip archive from a colleague (who uses Windows as his desktop system), and I would like to extract the files (virtual machine images). First try (plain unzip): % unzip ...
0
votes
0answers
23 views

Bypass client and recipient restrictions by domain name

I'm wondering if there is a way I can bypass the restrictions by domain name. For example; mydomain.com will follow the client restrictions listed below normally. mydomain2.com will skip client and ...
0
votes
0answers
24 views

openvpn pass ip to client like hidemyass does

I have a debian server with 64 external ips (ip blocks) and no internal IP. They go like eth0:1 eth0:2 (virtual interfaces) I have successfully setup an openvpn server on it so that I can connect from ...
3
votes
2answers
79 views

hard resetting link exception Emask 0x50 SAct 0x0 SErr 0x4090800 action 0xe frozen

Following situation: A productive linux debian 7 server with kernel 3.2.0-4-amd64 #1 SMP Debian 3.2.68-1+deb7u2 x86_64 GNU/Linux Manufacturer: Supermicro Product Name: X10SLL-F Version: 1.02 SATA ...
0
votes
2answers
47 views

Cannot start NFS: Not starting NFS kernel daemon: no support in current kernel

I installed NFS on a new Debian7 install. I did: apt-get install nfs-kernel-server add folder to share to /etc/exports: /home/share *(rw,sync,no_root_squash) service nfs-kernel-server start But ...
6
votes
2answers
97 views

Error with gunzip during logrotate

I'm using logrotate to rotate my Symfony2 logs on my webserver. Everything works fine, but I wanted the old logs to be sent to me by emails. So, I added some line in my logrotate conf file as you can ...
0
votes
1answer
26 views

Are the packages from apt-get remove --auto-remove sendmail safe to remove?

Im trying to clean up the mess left by sendmail, My unix knowledge is extremely limited so I would appreciate some help with whether these packages are safe to remove, I have already run apt-get purge ...
0
votes
1answer
28 views

Debian Remove a Line from Resolv.conf

I was trying to change the Google DNS servers to OpenDNS in my resolv.conf file and accidentally added them incorrectly. Now my resolv.conf file looks like this: # Dynamic resolv.conf(5) file for ...