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Questions tagged [debian]

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

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KVM network bridge: Can't access VM from outside

I have a host machine runing Debian stable and a KVM virtual machine running Windows on that host. I have a networking bridge setup for the VM but I'm unable to reach the VM (ping, connect,...) from ...
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23 views

Apache redirect from http to https - SSL handshake failed: HTTP spoken on HTTPS port

I have Moodle (elearning system) web application installed on Debian 9 with Apache web server. It is a bitnami appliance, but the only difference is the folder structure. I configured redirection from ...
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systemd[1]: Failed to reset devices.list on /system.slice: Invalid argument

I get this strange failed-message every night after systemd stops and starts certain services: Aug 13 03:36:04 systemd[1]: Stopping Zabbix Agent... Aug 13 03:36:04 systemd[1]: Starting Zabbix Agent......
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14 views

How to forward traffic over a single port via OpenVPN?

I've successfully setup an OpenVPN server on a VPS Debian distro and have been able to connect to it via from my Windows client. My situation is a little unusual in that I don't want to use the ...
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2answers
42 views

Bad Sector on disk causes the whole server to crash

Our dedicated server's hard disk was recently diagnosed with bad-sectors, and each time certain data on the disk are about to get accessed, the whole server goes non-responding before i i issue a ...
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1answer
20 views

Debian and Plesk migration onto a new disk drive [on hold]

Our Server had recently experienced some hard-disk failure (probably bad-sector) that causes it to crash every ten minutes or so. We asked our server provider to install a new disk and they did, but ...
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22 views

Samba server can connect as root but not with other users

I'm trying to connect from windows to debian server with the next config: [global] log file = /var/log/samba/log.%m passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\...
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11 views

MySQL 8 - Error log into Syslog

i'am trying to switch /var/log/mysql/error.log into syslog in MySQL 8. Reason is compatibility with our monitoring for parse, maybe not that clean, but it does the job. I had no problem with this on ...
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10 views

Backup upgradable packages with dpkg-repack on debian

I want to list upgradable packages and automatically repack them to .debs. My try: fakeroot -u dpkg-repack `apt list --upgradable | cut -f1 -d"/" | awk '{if(NR>2)print}'` So it gets package names,...
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1answer
9 views

Debian: Problems authenticating to ad

Our Debian server somehow got disconnected from AD, and I am trying to get it back. I have tried different methods. The one that seems to have worked best is realm. Atleast it says that it has ...
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12 views

How to access Debian server with a Mac? [on hold]

I am trying to connect to a Debian server with my macbook, but I really have no idea what I am doing. All I have is: IP adress: 192.168.0.48 user: test password: ****** VNC: Estrut18 Login: test Can ...
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1answer
47 views

Get systemd actual state

How can we know if systemd has finished to boot the system ? I don't want to execute on cron job if the system is actually on boot process because of missing network connectivity. My script launched ...
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5 views

Starting database: mongodstart-stop-daemon: unable to stat //— (No such file or directory)

I just installed mongodb-org-server version 2.6.4 on my Debian 9 machine. I have created a custom init.d script which is : #!/bin/bash # # init.d script with LSB support. # # Copyright (c) 2007 ...
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32 views

Timeouts on computers from same network

I am facing the following problem: I have web server setup on a machine running Debian 8. Apache, mysql the usual stuff. It is a hetzner dedicated server. While using my computer (windows 10 ...
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1answer
45 views

Apache crash every day

My I have a clean Debian server with apache only, I have 1 basic site with no special options. Everything is working fine but everyday at the same hour, Apache will crash and won't start, I have to ...
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16 views

How to set up tcp check with keepalived?

Trying to set up HA bastion servers. Failover, load balancing is not needed. Two servers running debian. bastion01 and bastion02. 192.168.0.10 and 192.168.0.11. Floating IP is 192.168.0.12. I started ...
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17 views

Hostapd - Download speed artificially limited?

I am currently attempting to configure a virtualized Debian machine as a wireless AP, and have successfully gotten everything to work except the following: For some reason, wireless clients only ...
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0answers
3 views

Debian : Unable to start Firefox : libXcomposite.so.1: cannot open shared object file: No such file or directory [migrated]

I am installing Firefox version 36.0 on Debian 9.3 Initially I install the following 3 packages: - xvfb - libdbus-glib-1-2 - imagemagick I then downloaded the deb file firefox-mozilla-build_36.0-...
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12 views

Docker and shorewall : rejected packets

I've a Debian box with shorewall configured and working. I just added a simple docker container (nginxdemos/hello) : % sudo docker ps CONTAINER ID IMAGE COMMAND ...
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2answers
79 views

Port forwarding for 100K+ IP's

I need to do port forwarding on my Linux (Debian 8) to intercept packets going through the machine. It needs to be based on source IP, so different ports for different IPs. I've though of using ...
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0answers
8 views

Multiple Received disconnect from 127.0.0.1 in journalctl

I'm running Debian 8 and I'm trying to troubleshoot issues with a server (random unresponsiveness) and one of the things I'm looking at, but do not understand, are hundreds of these entries, per ...
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1answer
75 views

correctly routed responses to NATed packages via OpenVPN are rejected by client

I have the following setup: Dedicated server S with static public IP address on eth0 running OpenVPN as server on tun0 and performing NAT from tun0 to eth0 Gateway router G that is the OpenVPN client ...
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20 views

Apache2 VirtualHost SSL isn't working

I have debian 8 VPS, with apache2. I have some website, that is on 1803 port of my server. I need https, for some works I am doing on this website. I do not have domain for it. So i tried to create ...
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1answer
160 views

OpenVPN on Debian is rejecting connections and systemd just runs /bin/true?

I'm extremely confused by this, and it seems completely wrong but I have no idea how so I'll start from the beginning. I configured openvpn on my Debian server using this guide. After I copied the ...
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7 views

X11VNC dont work properly with gdm3

Im using X11VNC service (installed from packages) and debian 9 with gdm3. I created systemd file: root@PCA55:/home/suser# cat /lib/systemd/system/x11vnc.service [Unit] Description=VNC Requires=...
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16 views

Moodle (elearning) update with no access to rewrite files

SHORT VERSION: I need to keep bitnami user permissions on files on the first screenshot and add the write permissions to user daemon. LONG VERSION: Hi, I'm trying to update Moodle elearning system's ...
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1answer
60 views

Need help expanding space on a debian virtual server

I'm running a vm on vmware and it only had 17gig of space allocated to it, I changed the size of the hard drive in vmware from 17gig to 100gig. Here is the info for the vm, how can expand the ...
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2answers
52 views

systemd, override, slapd daemon fails

I've tried to override the standard slapd (OpenLDAP) daemon start parameters with systemd, but as soon as I override the ExecStart, the daemon fails to start. My questions is why it fails and how I ...
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1answer
18 views

Minimum requirements to monitor server with cockpit

I have recently been testing out Cockpit with my various Debian servers, and I like it so far. One issue I have is that it creates the port 9090 that is open by default. I don't want that port opened ...
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9 views

LFD: Excessive resource usage after using FTP?

I am getting the following error from LFD after using FTP (Filezilla) to connect to my server Account: myusername Resource: Process Time Exceeded: 98283 > 1800 (seconds) Executable: ...
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16 views

Cannot redirect QEMU output to terminal using -nographic flag

I'm very new to QEMU. So I tried installing Debian in QEMU image following this instruction https://wiki.debian.org/QEMU. I first created an image. qemu-img create -f qcow2 debian.qcow 2G Then ...
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1answer
13 views

cant open ejabberd webadmin

I have new Debian 9. I have new ejabberd from repos, without any errors. root@mail:~# apt install ejabberd Чтение списков пакетов… Готово Построение дерева зависимостей Чтение информации о ...
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1answer
22 views

Netcat connection refused apache2 localhost

I have installed webserver (apache) but I can't seem to make netcat connect to it. $ curl localhost:80 | head % Total % Received % Xferd Average Speed Time Time Time Current ...
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1answer
12 views

Django deployment with gunicorn socket set up with systemd, gunicorn not honoring gunicorn.conf file settings on Debian 9.4

I followed the systemd deployment instructions here at http://docs.gunicorn.org/en/stable/deploy.html /etc/systemd/system/gunicorn3.service: [Unit] Description=gunicorn3 daemon Requires=gunicorn3....
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Debian server systemd-modules-load.service failed

My debian 8 server got a problem today, all the web services are down and the ssh don't work anymore. I started the server in rescue mode and I mounted the server and tried to understand what wrong. ...
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1answer
19 views

Gitlab Verify return code: 21 (unable to verify the first certificate)

I'm having some problems that I hadn't before with Gitlab and Git. I updated my SSL on my Debian server as I usually do each year and git doesn't work as intended anymore Apache Web Server and ...
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1answer
47 views

Set Up AXFR on Debian and linode

getting errors after following this tutorial: https://www.linode.com/docs/websites/cms/set-up-dns-services-on-cpanel/ DNS servers responded ERROR: One or more of your nameservers did not respond: ...
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81 views

Clamav detecting false positive

I've just runned a clamscan on the entire disk and it logged the following: /usr/bin/systemd-mount: Unix.Trojan.Vali-6606621-0 FOUND ----------- SCAN SUMMARY ----------- Known viruses: 6578095 ...
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2answers
54 views

Others users can change root password?

I've disabled root SSH login and I wanted to change my root password for a strong one. I was logged in with an admin user and used the following: sudo passwd root I expected it to ask for my root ...
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1answer
63 views

Postgresql wont start anymore

Debian 9.5 - postgresql cluster 9.4. It's not a fresh installation - it was a perfectly decently running system, until I tried restarting the service all commands: /etc/init.d/postgresql start and ...
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1answer
39 views

What is NAT port of an IP address?

I received a request from police to provide all available data of one of the users of my dating website. So, I sent them IP address, connection times, email address. Then I got another email with a ...
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1answer
27 views

debian cron.hourly script not executing

New to cron on debian 9 , I have a file called ipupdate in /etc/cron.hourly/ipupdate -rwxr-xr-x 1 root root 132 Jul 11 18:21 ipupdate the file has a single curl command like this: curl "https://..."...
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2answers
49 views

Delete from iptables where source is X

I'm running iptables on Debian 8 and needs to make some dynamic adjustment of certain rules. So I'm looking for a way to something like: iptables -D WHERE -s = x.y.z So I can delete all rules from ...
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58 views

rkhunter update failed, but mirrors file is populated

I have a problem updating my rkhunter installation. I'm running Debian 9 hosted on AWS. In my /etc/rkhunter.conf.local I changed WEB_CMD="/bin/false" to WEB_CMD=curl Then I did: user@host:~$ sudo ...
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34 views

Preferrred way of overriding default apache setup under debian

I'm using an apache under a debian based os. The configs of some mods are located as example under /etc/apache2/mods-enabled/mpm_prefork.conf. Now, I want to change the default setup of some modules. ...
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1answer
62 views

Get Latest OS Variant dictionary definitions for KVM

I have a Debian 9.4 host running KVM. I need to deploy a Windows Server 2016 guest. However, the current osinfo definitions only cover up to Windows Server 2012 R2. I am aware that the definitions ...
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35 views

Linux - Find -exec command optimization

I have to copy a huge number of files that are stored in a directory structure that contains a huge number of nested subdirectories and files. I am interested in a specific type of files and I know ...
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1answer
95 views

On Google Cloud, GNU screen just exits with no message - Ubuntu and Debian

On Google Cloud Compute Engine GNU screen is exiting with no message. It works if I "sudo screen" but that is not what I need. The binary is suid root and has correct permissions, and I have also ...
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1answer
55 views

Apache on Debian Stretch Keeps Getting Segmentation Faults

I have several servers running Debian Stretch and I keep running into an issue where the process will hit a segmentation fault and stop. It will not return to service until I manually run service ...
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24 views

NGINX going offline everyday at 12:00 ~ 12:20 and 00:00 ~ 00:20

I've been running a VPS Webserver for about 6 months without any kind of trouble. But the last month the Webserver goes offline EVERYDAY 2 times at day at the pratically the same time! I Tried to ...