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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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Can you send console commands to a node-based systemd service?

I have a simple node.js script that accepts console commands using readline. I've set it up to run as a systemd service (on Debian 9): [Unit] Description=Web Game Server [Service] ExecStart=/usr/bin/...
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0answers
15 views

Firewall Configuration fails for FTP Passive Mode in LXC Containers

The following scenario: 2 LXC/LXD containers are running on the vServer (Debian 9). Both have one ProFTPd server each (1st port: 21, 2nd port: 2121). I use a bridge for LXC (which was created by the ...
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2answers
28 views

Apache2 Virtual Hosts Guide for Subdomains

I am trying to set up a subdomain that serves a different website that what my main domain name serves. I am using Debian Stretch. www.domain.name > my website application.domain.name > ...
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0answers
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wordpress header not displayed after upgrade from opensuse 13.1/Apache 2.2 to Debian 8/Apache 2.4 [on hold]

As the headline states already: I upgraded an opensuse 13.1/Apache 2.2 installation to Debian 8/Apache 2.4. The website of one of the virtual hosts in the original installation was WP 4.1.1 driven. To ...
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1answer
16 views

grub2 starts after grub rescue while trying to save my debian server

After screwing up in Debian Jessie (accidentally run rm -R /) my server stopped responding and I decided to reboot. After rebooting grub rescue started and tried to fix it by running the following ...
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1answer
28 views

NAT on SonicWall for Debian server

I'm writing because i have a very strange issue with a newly installed debian 9.5 server. This server is behind a NAT made with a SonicWall firewall that assigns a public dedicated address to this ...
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0answers
22 views

GCP Debian server and High Disk I/O making vm unresponsive

From time to time this happens, so I made an iotop log to check what application is making the high IO but the results makes no sense to me: 22:38:05 Total DISK READ : 32.42 G/s | Total DISK ...
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0answers
17 views

squid - restrict users authenticated with user/password to specific outgoing IPs

I'm trying to run squid3 on a server with a /24 of IPv4's. I want to be able to limit certain users authenticated with an htpasswd user:pass to certain outgoing IPs. Currently, when I add a user to ...
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9 views

PAM: pam_nfc login lightdm

I want my users to be log into a workstation using their nfc-card. I have a test-setup with raspbian. I compiled and installed both libnfc pam_nfc. My reader is a 072f:2200 Advanced Card Systems, Ltd ...
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22 views

Debian buster repo in Ubuntu 16.04.5 LTS

I recently updated a Ubuntu 16.04 instance to 16.04.5. With an 'apt update' some days later suddenly 366 packages to update and 125 newly to install appeared. Obviously sources.list was appended ...
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1answer
59 views

VirtualBox Guest Additions: modprobe vboxsf failed (Kali) [closed]

I am trying to install Virtual Box Guest Additions on a Kali VM. I have installed the linux headers but when I try to install the gues additions I get the following error: root@0:~# cp /media/cdrom/...
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1answer
81 views

Debian 9 dummy network adapter - works on Local but not Remote?

I'm trying to set up an IPSEC tunnel between my remote external server and a locally situated machine. My remote has a naked public IP4 in a data-centre. My nearby server has a local NAT hidden 192....
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1answer
21 views

Unable to reach Azure virtual machine on port 9000 for Sonarqube installation

I'm trying to install sonarqube@7.3 with postgresql on a Debian 9 Stretch virtual machine hosted with Microsoft Azure. Everything works properly except that I can't browse with my real physical ...
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2answers
46 views

Updated DNS zone but still seeing incorrect records after TTL expiry

I completely re-installed a debian9-ispconfig3 server ks392200.kimsufi.com on its real IP 176.31.109.26 (That server was earlier installed on an IP FAILOVER 87.98.160.188 that I do not use anymore). ...
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2answers
25 views

Clearing “/var/log/journal”

I want to clear my "/var/log/journal" directory. I'm using debian 8 root@nyc3-x8:/var/log# uname -a Linux nyc3-x8 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1+deb8u2 (2016-10-19) x86_64 GNU/Linux And my ...
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0answers
21 views

Restore gpg key from for Debian repo after accidental apt-key del

As per title, I need to restore the keys but I think I got something wrong. I deleted the key for deb.debian.org . The solution I am using is sudo gpg --keyserver keyring.debian.org --recv-keys ...
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3answers
44 views

MySQL remote connection slow

As the traffic keeps growing on my e-commerce(PrestaShop) and the navigation starts being slow I decided to after reading many posts in here separate my web server from my DB server. I did set up a ...
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1answer
24 views

How to troubleshoot a timed out error on putty when connecting with ssh on a azure virtual machine

I just came out with a nice Debian 9 "Stretch" Virtual Machine hosted with Microsoft Azure. I've already used PuTTY, PuTTYgen and Pageant to connect with ssh to it and i've saved all this ...
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0answers
59 views

Call to undefined function imagewebp() Jetware Optimized LEMP Stack PHP 7 image for gcloud

I have on Compute Engine the Jetware Optimized Lemp Stack Php 7 vm istance , loaded from the google cloud platform marketplace: Jetware Optimized Lemp Stack Php 7 jetware: Linux lemp7-optimized-g2-1-...
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0answers
12 views

dircolors: no SHELL environment variable, and no shell type option given

On interactive login I get: dircolors: no SHELL environment variable, and no shell type option given But I do have SHELL variable set: % set | grep SHELL SHELL=/bin/bash SHELLOPTS=braceexpand:emacs:...
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1answer
62 views

New webserver becomes unresponsive, unexplained random load spikes

I have recently upgraded to a new webserver. All data/config was transferred from the old server, which did its job but recently ran low on disk space. At first I noticed an odd thing: Randomly there ...
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1answer
23 views

Debian HA cluster with 3 servers, run script on outage for DNS failover

I am currently building a HA cluster, the database is already on Galera, the last thing would be, trigger an DNS update to redirect the traffic to another machine. Is there any software, which can ...
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1answer
83 views

Cyrus sasl error - ''0: NO authentication failed" On Debian 9

I'm trying to get a hybrid exim/cyrus IMAP setup working. I do not use postfix, it is not installed. OS is Debian 9 both on x64 and Raspberry Pi (Raspbian Scratch). I've executed the install: apt-...
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1answer
31 views

Entire OS crashes when I copy a file to a particular partition

I don't even know where to start debugging this one ... I have a Debian 9 VM (Linux 4.9.0-7-amd64 on x86_64) with four hard drives - / (RootFs) 30Gb 26% used raw /mnt/data1 2TB 91% used qcow2 ...
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0answers
23 views

SFP to RJ45 on Debian 8 Not Detected

I have problems with an sfp to RJ45 module. I have a server with sfp ports and a switch with RJ45 port. So I plug a Gigabit ethernet cable from the switch to the SFP to RJ45 module on the server. ...
1
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1answer
31 views

iptables block outgoing on port, allow selected IP's [duplicate]

Debian 7 iptables v1.4.14 (there are no rules) Need to block all outgoing connections on ports 25,587,465 and allow only on specific IP's. What I've tried: iptables -A OUTPUT -p tcp --match ...
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1answer
71 views

FTP user can't log in

i made a shell script, that should add a user: useradd $1 --password $2 --create-home --shell /bin/false --system This user should only log into FTP, and should not log into SSH or anything else. ...
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1answer
40 views

One of my mailboxes sends a huge amount of spam to gmail and yahoo addresses. Cannot stop it

I'm stuck in here. I'm using ISPConfig on a Debian Wheezy Postfix mail server, and I have the following problem: I have multiple mailbox addresses on 14 domains. One of the addresses started 2 days ...
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8 views

Debugging recurrent crashes on a small linux server [migrated]

I have a small machine that I use as a multipurpose server on my local network (backups, monitoring, nfs, torrenting, etc.). Every once in a while, I notice that the fan is at max and I can't ssh in. ...
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1answer
64 views

remote server refuses connection

We have a dedicated remote server hosted by Hetzner. The OS is Debian 9.4 LAMP (Apache, Mysql, PHP installed by default). We use the server to analyze big data using python (a little), R (R-studio ...
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0answers
5 views

Debian UEFI Boot with DELL Latitude 7490 “No bootable devices found” [migrated]

I have tried to install Debian 9.5 on a DELL Latitude 7490 with UEFI, but when I try to boot the machine I get the infamous "No bootable devices found". EFI partition has been created, and I can see ...
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0answers
67 views

MySQL - High CPU usage (100%)

Since few days, my web application is very slow without any updates, configuration changes or other changes. htop tells me a 100% CPU usage when I browse this web application and it queries my SQL ...
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0answers
48 views

Cannot mount LVM logical volume to same mountpoint previously used for mounting a GPT partition

[UPDATE] As this server is not yet in production, I had the chance to reboot it. Reboot cleared the issue. However, the issue remains if one cannot afford to disrupt the service. I am reorganizing ...
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0answers
11 views

Mounting a partition on the same drive as the live cd OS

I have looked all over the internet and I cannot find any insights into exactly what I am trying to do. I have a live cd of a flavor of debian that I am trying to install onto a hard drive for use as ...
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1answer
40 views

Nginx proxy configuration error: [crit] pread()

I'm trying to put my node.js project into my vps. I've watched watch a video which explain how to do that. The problem appened when in create a upstream. Indeed, when I executed the sudo nginx -t to ...
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0answers
22 views

iptables Rerouting by owner, first connection always fails

I am trying to reroute all connections of a user to go only via openvpn tunnel. the tunnel uses net30. This is my upscript (after many battles): #!/bin/bash rt_table="mtunnel" # make sure that rt ...
3
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2answers
154 views

IPv6 Gateway outside network (OVH)

We a dedicated server at OVH, assigned 2001:41d0:a:72xx::/64 I have set the machines on a segment bridged to the wan, as per IPv6 public routing of virtual machines from host The gateway is 2001:...
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4answers
44 views

Raid 1 with 3 disks of different sizes

I'm new to this site. I am currently configuring a server, which has these ssd disks: 1X1TB SSD NVme 2X512GB SSD NVMe Now I would like to create a raid 1 between these disks, in which I would always ...
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0answers
12 views

Apt pinning returns error message about package headers

I have a server running Debian Stretch that I need to install PHP 7.1 on, which isn't available in the default repositories of Stretch, but in Testing aka Buster. I tried to use apt pinning to add the ...
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0answers
63 views

HAProxy reverse proxy - multiple sites

I have configured HAProxy as reverse proxy - with single SharePoint site, server and it's working (SSL pass-through on IIS), but when I'm trying to configure two compeletly different SharePoint sites ...
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0answers
36 views

npm install ldf-server on gcloud debian instance

I try to install it via sudo npm install -g ldf-server But it gives me error: /usr/bin/ldf-server -> /usr/lib/node_modules/ldf-server/bin/ldf-server > hdt@1.5.0 install /usr/lib/node_modules/...
1
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1answer
44 views

How to bind a specific IPv6 address to a specific user?

I'm running a VPS on Debian 9 that has multiple users and /64 Network of IPv6 addresses. I added a few of them by typing ip -6 addr add *IPv6* dev eth0 How do I bind a specific IPv6 address to a ...
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0answers
41 views

Mac cannot connect to netatalk server 3.1.11

Strange problem. Have installed netatalk: # netatalk -V netatalk 3.1.11 - Netatalk AFP server service controller daemon This program is free software; you can redistribute it and/or modify it under ...
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0answers
17 views

Intermediate Server connected to OpenVPN of external network

I've had the idea to use an intermediate Debian server on our internal network which connects to an external network over OpenVPN. The idea was that I didn't want to connect our computers directly ...
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0answers
548 views

how to find the process which initates transmition

I found that something is trying to reach 5353 port. My firewall kicks this after all ACCEPTs - (policy DENY, and some ACCEPTS - everything which doesn't fit to ACCEPTS is logged) [2206881.340582] ...
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0answers
23 views

cannot shutdown virtual domain until connected to it

I have a rather weird problem. I'm going to try and present facts but the truth is that my problem seems so awkward that I don't really know what is happening. I run a Debian 8.11 host with libvirt-1....
0
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1answer
40 views

Upgrading from Debian 8 (Jessie) to 9 (Stretch)

I am in the process of updating my Debian 8 (Jessie) machine to Debian 9 (Stretch) Current kernel version is : # uname -a Linux host 4.9.0-0.bpo.6-amd64 #1 SMP Debian 4.9.88-1+deb9u1~bpo8+1 (2018-05-...
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1answer
10 views

jessie-backports-sloppy/ejabberd depends on jessie-backports packages how to solve

We have a debian jessie installation and we are trying to install a the package jessie-backports-sloppy/ejabberd with # apt-get -t jessie-backports-sloppy install ejabberd Reading package lists... ...
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0answers
29 views

Debian Server: DHCP keep IP on reboot

I've a Debian server running with some static IPs and a public IP, all provided by the same ISP on a FTTO connection. Now I've noticed if I unplug the cable between the server and the ISP ONT/ONU and ...
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1answer
93 views

Update PHP 5.3 to PHP 5.6 on Debian Squeeze

I wonder if anybody has successfully updated PHP 5.3 to PHP 5.6 yet on Debian squeeze and would kindly share how this can be done. My server's current system is running since 7+ years. Debian GNU/...