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

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2
votes
3answers
128 views

Debian - how to prevent global read access for all files?

In my debian all files, even the system ones have permissions rw-r--r--, so it means that all users can view ANY file even some system configuration or database files and so on. How do I prevent ...
2
votes
2answers
53 views

printing user of subshell obtaining root via su -

Can I print the username which is obtaining root access via su - on the root console upon obtaining root? user1$ su - password: obtained root via user1 #
0
votes
0answers
35 views

Extremely weird proftpd behavior

I have configured proftpd + mysql and it is working Its working perfectly despite the overcomplicated queries. However when I enable DefaultRoot ~ It stops working and somehow reverts to some ...
2
votes
0answers
70 views

Linux swap partition not mounted by systemd on boot after dist-upgrade

Recently, I performed a dist-upgrade from Debian Wheezy to Jessie. The upgrade was performed without any error but after the upgrade the swap partition was no longer mounted/activated. The mentioned ...
0
votes
1answer
6k views

Why does ProFTPd stop at Entering Passive Mode on Debian on a Windows Virtualbox? [closed]

I have installed Debian Squeeze on a Windows computer with Oracle Virtualbox. Then I've port forwarded port 21 on the NAT adapter. In Debian I've run: apt-get install proftpd Then I uncommented ...
7
votes
3answers
3k views

Is there a way to keep ClamAV updated on Debian 8?

Since upgrading to Debian 8 my syslog is full of ...freshclam[17851]: WARNING: Your ClamAV installation is OUTDATED! ...freshclam[17851]: WARNING: Local version: 0.98.7 Recommended version: 0.99 ...
13
votes
6answers
18k views

What should I do when I got the KEYEXPIRED error message after an apt-get update?

While updating my packages on a debian based system by a sudo apt-get update I've got that error message : Reading package lists... Done W: GPG error: ftp://ftp.fr.debian.org stable/non-US ...
0
votes
4answers
2k views

How do you setup multiple instances of vsftpd to run on different listen ports?

I need to setup 2 different instances of vsftpd. Which will listen on 2 different ports such that one instance listens on the default port 21 and the other can listen on another port 1123. Please ...
2
votes
1answer
115 views

Building curl, httpd and others with custom openssl build, while avoiding default system openssl

I've been trying to upgrade some programs on an old Linux box (Debian 7.5 wheezy). I'd like to keep default system libs untouched and to add some custom builds alongside them. It works fine for most ...
16
votes
6answers
27k views

How do I change Exim4's primary_hostname on a Debian box?

Some remote SMTP server I am trying to deliver mail to refuses to accept the HELO from my server: 504 5.5.2 <localhost>: Helo command rejected: need fully-qualified hostname Apparently, my ...
0
votes
1answer
24 views

increase debian server VM system partition while server is running

i have a debian 8 webserver VMware VM that runs out of HDD space. i increased the HDD Size in VMware. then i wanted to add the unallocated space to the system partition. i am not very familiar with ...
0
votes
0answers
15 views

Run Python Selenium Script from PHP (Apache Server)

I've written a python script that uses Selenium to automate some functions for a web application that I'm managing, which uses a headless Chrome instance as the browser running the scripts. Only ...
0
votes
2answers
40 views

mod_authz_core.c Logging

So I'm pretty new to the whole server admin world and just got a fresh install of a server up and running. While looking at my apache2 logs, I've seen a lot of mod_authz_core.c lines. Another guy I ...
0
votes
2answers
126 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 ...
48
votes
8answers
52k views

What is the debian-sys-maint MySQL user (and more)?

I have been bitten several times by the 'debian-sys-maint' user that is installed by default on the mysql-server packages installed from the Ubuntu repositories. Generally what happens is I pull a ...
1
vote
3answers
290 views

CouchDB Will not start after upgrade

Tried on both 1.2.0 and 1.4.0, both error and will not start. The config files are default apart from my added user admins. Apache CouchDB 1.4.0 (LogLevel=info) is starting. {"init terminating ...
0
votes
1answer
30 views

Fully Qualified Domain Name of VPS [duplicate]

I'm really confused by FQDN. So there is this file on my debian machine /etc/hosts. What exactly goes in there? Say my VPS is located at ipadress: 39.22.11.99 And i have a couple of domains all ...
2
votes
1answer
54 views

OpenLDAP - How to restrict Debian login to specific groups (posixGroup)?

I'm trying to restrict login to specific LDAP groups in Debian 8. The system is configured to use OpenLDAP (PAM) as authentication method. My goal is to configure the system to allow all local users ...
0
votes
2answers
4k views

ProFTPd create different virtual hosts for different users

I'm totally new to ProFTPd server and I really can't find out how to configure what I need. I'd like to have some explanations on Virtual Servers and Per-directory rules. I'm running Debian Debian ...
0
votes
0answers
42 views

How to configure Squid 3.4 to only handle IPv6 outgoing connections

When you configure Squid3.1 with tcp_outgoing_address to any IPv6 address, then the proxy server will only connect to IPv6 enabled sites. It won't fallback to IPv4. This is good for testing IPv6 ...
0
votes
1answer
77 views

Can I use hosts.allow hosts.deny files to restrict access to my websites (Nginx)?

Is there any way how to use hosts.allow and hosts.deny files to restrict access to the websites (Nginx)? This does not work: hosts.allow file content: nginx: SOME-IP-ADDRESS hosts.deny file ...
0
votes
0answers
53 views

Blank screen when connecting to vino-server (debian jessy) with realvnc client

Trying to connect to a Debian machine running gnome. It actually worked OK (until I've changed hostname and rebooted) Now all I get is a blank - black screen after connecting I've removed xstartup ...
0
votes
1answer
3k 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: ...
2
votes
2answers
8k views

Grub rescue, will not boot from mdadm RAID, no such disk or device — mduuid wrong?

I am running a 14 disk RAID 6 on mdadm behind 2 LSI SAS2008's in JBOD mode (no HW raid) on Debian 7 in BIOS legacy mode. Grub2 is dropping to a rescue shell complaining that "no such device" exists ...
0
votes
2answers
55 views

Symfony Project Nginx

Heey all, I'm trying to host my symfony project but i'm getting a 500 error back from nginx. The error log doesn't show anything. Yet the access log does show something: 46.243.152.13 - - ...
-2
votes
4answers
60 views

Can a different DNS server be used for subdomains?

I have a domain example.com, and subdomains a.example.com and b.example.com on a production server. I have a development server dev.example.com which also holds a.dev.example.com and ...
-1
votes
1answer
1k views

get Squid proxy server authentication type from local client

Just like the title is: Is there a way to get the authentication type of a squid proxyserver from a client in the local network? Im using debian UPDATE 1: HTTP/1.1 407 Proxy Authentication ...
0
votes
0answers
23 views

Can not restart any service

I would like to restart services using service postfix restart or service apache2 restart. The restart task hangs at: root@server:/home/me# /etc/init.d/postfix restart [....] Restarting postfix (via ...
-1
votes
2answers
30 views

Debian statistics - cpu, memory, hdd

I'm wondering how can I get my dedicated server avarage statistics for last month/ week. I used sysstat and sar to report my logs, but they are seems to be too much I'm interested about averege final ...
1
vote
3answers
2k views

bind proftpd only to localhost

How do i configure proftpd to only listen to connections on 127.0.0.1? If i set DefaultAddress localhost in /etc/proftpd/proftpd.conf and restart proftp i'm still able to login from another ...
3
votes
2answers
5k views

Can't update linux kernel on VPS

I recently started using VPS from OVH: http://www.ovh.co.uk/vps/vps-classic.xml This is likely problem very specific to this one provider. My goal is to install and run Docker on it, for this I need ...
22
votes
6answers
66k views

MySQL keeps crashing: InnoDB: Unable to lock ./ibdata1, error: 11

I have a simple webserver (Debian 6.0 x86, DirectAdmin with 1 GB of memory and still 10 GB free space, mySQl version 5.5.9), however the mySQL server keeps crashing and I need to kill all mySQL ...
1
vote
1answer
23 views

Apache Webserver Modifying Config or Re-direct has no effect

I'm new to Apache webserver so I may just be doing something obvious incorrectly. I installed 'OwnCloud' via the Debian package manager which by default also installs Apache webserver. The basic ...
2
votes
0answers
40 views

failed loading zone from 'myzone.local.zone': no ttl

I run the following command for dnssec on debian 8. But I get error: # dnssec-signzone -A -3 $(head -c 1000 /dev/random | sha1sum | cut -b 1-16) -N INCREMENT -o myzone.local -t myzone.local.zone ...
0
votes
1answer
88 views

SSH via DNS permission denied, but it works via IP (Debian 8.3)

I have a server behind a router, and I have forwarded port 22 (TCP/UDP). I can SSH to the IP (ssh user@xxx.xxx.xxx.xxx) but not to the DNS (ssh user@mysite.com). I'm getting: Permission denied ...
0
votes
0answers
87 views

What's the FreeBSD equivalent for the Linux pointopoint

What's the BSD (FreeBSD) equivalent of pointopoint used in /etc/network/interfaces on Linux (Debian)? I'm following this (Network configuration host system KVM/Routed) guide for how to use Hetzner's ...
0
votes
0answers
25 views

IBM System x3250 M2 fancontrol on linux?

I have a x3250 M2 machine with Debian 8.2 Linux on it. I want to control the fan speed by using lm-sensors and fancontrol packages. When I run lm-sensors I only see temperature sensors. The pwmconfig ...
0
votes
0answers
16 views

Migrating userdir and access forbidden error

Hope someone might be able to help. New Debian server using Apache 2.4 and I am migrating from one server to another. Old Ubuntu 12.04 server using Apache 2.4 which I am moving away from. Creating ...
2
votes
2answers
4k views

Going back to debian stable from unstable

Is there any, preferably easy and safe, way to go back to a stable version of debian when currently on unstable?
0
votes
1answer
15 views

Dns records, and tomcat on loadbalacing

I have 2 Dns servers (Debian) configured using bind9 and a loadbalancer managing 2 tomcat webservers, My question is Should i put dns entries of the 2 tomcat webservers, or i just have to put the ...
1
vote
0answers
51 views

Using Debian's unattended-upgrades package

I'm trying to have all official packages from Debian be upgraded on a Wheezy box - I've set the following: "o=Debian,a=oldstable"; "o=Debian,a=oldstable-updates"; "o=Debian,a=oldstable-backports"; ...
3
votes
1answer
120 views

CGroups memory limit not working

I am trying to limit memory usage for a LXC container using CGroups, but I can't limit the memory. # lxc-cgroup -n maxdaniel981 memory.limit_in_bytes 134217728 lxc_container: failed to assign ...
1
vote
1answer
1k views

Why can I only upload files via vsftpd if folders are chmod 777?

I have a problem with vsftpd on Debian: I can upload files if the chmod of all folders is 777, but with chmod 755. Please help. vsftpd.conf: local_umask=022 anon_umask=0755 file_open_mode=0755
0
votes
1answer
30 views

How can I know why my dedicated server froze or crashed ? (Unix-like)

Recently, my dedicated server froze for around 50 minutes on Sunday. It did not respond to ping or any command. In the end, it was hard rebooted by the hosting company and everything works fine since ...
-1
votes
1answer
25 views

Modifying qemu without screwing up my current install

I currently have kvm installed on my Debian laptop: kvm --version QEMU emulator version 2.1.2 (Debian 1:2.1+dfsg-12+deb8u5a), I want to modify it to supported nested virtualization (ESXi VMs). ...
0
votes
0answers
19 views

kvm host refuses to shutdown when guests are suspended

I've been able to do this before but now all the sudden when I suspend the guests on my Debian kvm host and then shutdown the host it hangs with "a job is running for suspend active libvirt guests" ...
1
vote
0answers
70 views

Linux swapping blocks system (freeze)

I have a problem with my Debian Servers. We run 4 different server which all have Intel CPUs and 128GB of RAM. Two of them run Wheezy, two of them run Jessie. We run a Java software on those systems ...
1
vote
1answer
39 views

how install sarge for a while [closed]

I want to upgrade BIOS. But the only way is to run an app designed for Debian 3.1 (Sarge). So the easiest solution is run sarge live CD, run app - and be happy. Unfortunately - the only ISOs are ...
0
votes
0answers
48 views

Proxmox-Server reboots sporadically

I just mentioned that my proxmox-system is rebooting from time to time when performing backup-tasks (bacula, not the proxmox-backup-system). The logs are showing the following: Mar 8 02:30:01 ...
0
votes
2answers
553 views

vsftpd won't start with ssl_enable=YES. Why or where can I find logs about why?

I just configured vsftpd but if try enable ssl in the config file, my server doesn't start. In other word, vsftpd won't start with ssl_enable=YES What can I do about this? I thought there should ...