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Questions tagged [debian-stretch]

Stretch is the code name of Debian 9.0 release expected in the mid of 2017

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23 votes
6 answers
23k views

Client on Debian 9 erroneously reports expired certificate for letsencrypt-issued domain

If I try to access our HTTPS server that has certbot-issued certificate from debian 9, I get the following error: # curl -v https://hu.dbpedia.org/ * Trying 195.111.2.82... * TCP_NODELAY set * ...
P.Péter's user avatar
  • 639
17 votes
5 answers
13k views

predictable network interface names in systemd

Recent version of Ubuntu and Debian (stretch) bring a new network interface naming scheme. Now, when updating from a system that's using old style names like "eth0", I'd like to know prior to booting ...
Ralf Hildebrandt's user avatar
11 votes
3 answers
20k views

Networking between KVM VM and docker container on same host

On a Debian-Stretch host (connected to physical LAN) I have a new docker installation (v18.09) with one database container (port mapped to the host) and I run KVM/libvirt with some Debian-Stretch VMs. ...
sdittmar's user avatar
  • 383
10 votes
3 answers
93k views

apt-key add on Debian Stretch: no valid OpenPGP data found

I'm trying to follow the installation instructions for Debian provided on Docker website. Unfortunately adding a GPG key fails for me: $ curl -fsSL https://download.docker.com/linux/debian/gpg | apt-...
Tad Lispy's user avatar
  • 201
9 votes
4 answers
15k views

Unable to install MongoDB 3.4 on Debian stretch

I added mongodb repo to source list: deb http://repo.mongodb.org/apt/debian jessie/mongodb-org/3.4 main Then apt-get update. When I try to install mongodb-org I'm getting this: root@ns:~# aptitude ...
ponury-kostek's user avatar
8 votes
3 answers
14k views

Perfect SSL Labs score with nginx and TLS 1.3?

I have created an nginx config that got a perfect score on Qualsys SSL Labs using only TLS v1.2, and I'd like to try and get a perfect score using both TLS v1.2 and v1.3. Consider this snippet of ...
Gojira's user avatar
  • 509
6 votes
5 answers
32k views

Debian: "apt install build-essential" fails because of unmet dependencies

Using Debian Stretch v9.11. I try to install build-essential, but fails because of unmet dependencies: sudo apt install build-essential Reading package lists... Done Building dependency tree Reading ...
klor's user avatar
  • 364
6 votes
3 answers
5k views

mysql in debian stretch

Debian Stretch will likely be released in the middle of this year. mysql-server-5.x will no longer be available and is replaced with mariadb-server-10.1. i don't feel i'm ready for the big step and ...
pQd's user avatar
  • 30.2k
6 votes
1 answer
8k views

HAProxy doesn't automatically reload DNS

I've installed HAProxy 1.7.5-2 on a Debian Stretch (9) for a blue/green deployment infrastructure. HAProxy is setup in TCP mode and reloads DNS every 5 seconds but it doesn't. global log 127.0.0....
Kaymaz's user avatar
  • 243
6 votes
1 answer
3k views

dpkg-reconfigure: dialog frontend sets up postfix successfully; non-interactive frontend fails

(N.B. In this question, a leading # indicates a root prompt, not a comment. Also, I have replaced the actual hostname with <myhostname>.) As the debconf (7) man-page states, dpkg-reconfigure ...
user avatar
6 votes
2 answers
4k views

random CONNECTION_RESET on apache2.4 debian 9

My server has some strange behaviour and I just cant find the cause. I've been looking everywhere. I will pay 200$ worth of bitcoin to anyone who can figure this out. The problem: When requesting ...
Manuel Otto's user avatar
5 votes
5 answers
10k views

Why does my debian server freeze?

I installed Debian 9 ("Stretch") in a virtual machine hosted on ESXi 6.5 The OS is up-to-date and nothing else has been installed but VMware tools. Sometimes when I execute a command, the server will ...
mimipc's user avatar
  • 2,109
5 votes
1 answer
23k views

Debian static ip, can not bring up interface: "RTNETLINK answers: File exists"

I have a fresh installation of SELKS(Debian 9) and I configured the network manually, but I can not bring the interface eno1 UP. I get the error: RTNETLINK answers: File exists ifup: failed to bring ...
machillef's user avatar
5 votes
0 answers
124 views

What could cause a LAMP server to perform poorer than my laptop?

I'm running a WEB application (PHP + MariaDB) for my company, developing on my laptop and running the production version on a dedicated server. Recently, I've started to measure performance and ...
François's user avatar
4 votes
2 answers
9k views

NFSv4 mapping UID and GID on Debian Stretch

I use the following setup: NFS Server (Ubuntu 16.04 LTS) nfs-common 1:1.2.8-6ubuntu1.2 nfs-kernel-server 1:1.2.8-6ubuntu1.2 user: test (uid=1300) NFS Client nfs-common 1:1.3.4-2.1 user: testmf (...
Alessandro Perucchi's user avatar
4 votes
1 answer
1k views

Configure DNS server on Debian 9

I need some help configuring a DNS server in Debian 9 (Stretch). I'm following this tutorial, but I think that there is something that I'm doing wrong... In my case, we will suppose that I own a ...
Oscar Gimenez Aldabas's user avatar
4 votes
1 answer
4k views

debian 9.1 boot failed to connect to lvmetad. amd64

I keep seeing this on a new debian 9.1 install. There is only a slight delay during boot, but the following scan works fine. Small but annoying thing. Anything I need to fix? I tried searching ...
gene's user avatar
  • 41
3 votes
1 answer
3k views

Why does my PostgresQL 11 database cluster instantly shutdown after being started via systemctl?

I have installed PostgresQL 11 via apt-get on Debian 9. After installation I deleted the default database cluster and removed all services auto-starting that cluster. I've now ran initdb to initialize ...
RelicBloodvayne's user avatar
3 votes
2 answers
2k views

systemd : get status of target's sub jobs

TLDR How do I get a view of the status of all services on a target ? something like : # obviously, 'systemctl status' does not have this output : $ systemctl --user status service.target service....
LeGEC's user avatar
  • 185
3 votes
2 answers
45k views

sendmail not sending [stat=Deferred: Connection timed out with ...]

novice trying to use sendmail for the first time. only issue mails never arrive (not even in spam) I have the following logs: mail.err is empty mail.log shows accepted for delivery but I also get ...
jotyhista's user avatar
3 votes
1 answer
2k views

Unable to schedule unattended upgrades in Debian Stretch

I am running Debian 9 Stretch. I have the following package installed. unattended-upgrades/stable,now 0.93.1+nmu1 all [installed] My 20auto-upgrades file looks like : # cat /etc/apt/apt.conf.d/...
Jason Stanley's user avatar
3 votes
3 answers
14k views

How to get DRBD to automatically start after reboot, mount volume, start service, and configure primary/secondary

I have a great working version of DRBD across two Debian Stretch servers which I created by following this awesome guide: https://www.howtoforge.com/setting-up-network-raid1-with-drbd-on-debian-...
Eugene van der Merwe's user avatar
3 votes
1 answer
5k views

NFS - Very slow performance with small files (Also with CIFS)

I am having very bad performance with NFS between two debian stretch machines, and I can't find a solution. I am using rsync at the server side in the exports file and tcp,hard,intr,rsize=32768,wsize=...
LincolnP's user avatar
  • 207
3 votes
1 answer
3k views

Nftables cannot process any commands

After updating from Stretch to Buster and moving from iptables to nftables, the nft command doesn't process any given command except for list, which doesn't print anything. The input nft flush ...
Martin Horský's user avatar
3 votes
1 answer
693 views

How to serve PHP from root dir and userdir?

I tried multiple combinations but I must be missing something. Closer I got is with the following config file, I get static content in /var/www/html and /home/user/www, but php only works in the ...
user avatar
3 votes
0 answers
1k views

Boot issue with Debian Stretch 9.4 (amd64) on Dell R710

I'm hoping someone has seen this and can assist. This is more of an annoyance than a true issue. I have a Dell R710 stacked with Debian 9.4 (amd64). The physical unit has the following ...
Dave G's user avatar
  • 146
2 votes
2 answers
18k views

libc6 dependency mismatch in Debian 9.12 stretch

I have the following libc6 dependency problem in Debian 9.12 stretch. sudo apt install libc6-dev Reading package lists... Done Building dependency tree Reading state information... Done Some ...
klor's user avatar
  • 364
2 votes
2 answers
17k views

How to install NPM on Debian?

Can somebody please help with installing NPM in Debian? First I tried apt-get install npm but got this message: Unable to locate package npm. So I followed the installation steps for Debian from ...
Lajdák Marek's user avatar
2 votes
1 answer
4k views

systemd: Unknown lvalue 'ExecCondition' in section 'Service

Why systemd complains? Jul 5 09:55:33 st701a-9 systemd[1]: [/etc/systemd/system/load-xyz-modules.service:7] Unknown lvalue 'ExecCondition' in section 'Service' The service configuration /etc/systemd/...
palik's user avatar
  • 150
2 votes
2 answers
4k views

cryproot-unlock with dropbear: Timeout while waiting for askpass

I installed Debian 9 on a VPS and configured the root partition to be encrypted. However, due to the installer giving me trouble when attempting to encrypt, I had to do this manually. To be able to ...
Julian Eckhardt's user avatar
2 votes
1 answer
3k views

Active Directory sssd not Updating DNS

I have been migrating my Vm lab over to AD to centralize the auth management and im having issue with the linux VM's (Debian 8) not updating DNS records. the clients are being joined with realmd and ...
Philderbeast's user avatar
2 votes
1 answer
420 views

Security with nginx

Intro Okay, I have quite the complicated issue (at least for me) on my soon to be new production network. I am looking for advice from more experienced users with linux, especially advice on secure ...
berend's user avatar
  • 23
2 votes
1 answer
2k views

mod_rewrite on Debian Stretch breaks php7.0-fpm with AH01071: Got error 'Primary script unknown\n'

We've just built a new Debian 9.8 server to replace our 8.11 server in order to test and upgrade to php7. We've installed apache2, php7.0-fpm and brought over out existing virtual host config, which ...
jaydisc's user avatar
  • 499
2 votes
2 answers
246 views

How to Configure 2 IP Address on Same Network Interface to Allow Specific Ports to be Accessed by Specific IP?

I have 2 IP addresses on the same network interface: 192.168.1.100 & 192.168.1.101. I want to be able to access SSH via 192.168.1.100 and HTTP via 192.168.1.101. I'm using Debian 9.8 and firewalld ...
AlGallaf's user avatar
  • 121
2 votes
1 answer
7k views

unbound.conf server option "private-domain" - domain name ending in a dot nor not?

unbound.conf is used to configure Unbound, a caching DNS resolver. The documentation of version 1.6.8 says: Server Options private-domain: <domain name> Allow this domain, and all ...
Fabian's user avatar
  • 417
2 votes
1 answer
1k views

Debian preseed prompts disk select dispite it being seeded

In our environment we are automating deployment of Debian VMs to run workloads. Everything in our preseed file works except for the selection of the disk. This still gets prompted. Our preseed ...
kazaamjt's user avatar
  • 145
2 votes
1 answer
3k views

Postfix matches SASL username and not the FROM mail field with smtpd_sender_login_maps

I have already read hundreds of posts all over the internet and I couldn't find anything that solves my problem. So I decided to write this post and hope somebody can help me. First I want to ...
eliassummer's user avatar
2 votes
0 answers
2k views

Clean OpenVPN3 on Debian 9 fails

I've just created a fresh Debian 9 with OpenVPN3 installed. I'm getting the following error: openvpn3 session-start --config server.conf Using configuration profile from file: server.conf Session ...
Alfred Balle's user avatar
2 votes
1 answer
437 views

Debian Stretch IPv6 prioritization

I have a Debian Stretch system with both IPv4 and IPv6 addresses and default gateway. IPv4 and IPv6 addresses in the internet are reachable. When I start a ping to a domain which has an A and AAAA DNS ...
PietH896's user avatar
2 votes
0 answers
125 views

How do I get notified of automatic "apt-get update" errors?

On a Debian Stretch server, APT ist configured via /etc/apt/apt.conf.d/10periodic to automatically update itself every day. Hadn't I run "apt-get update" manually by chance, I wouldn't have noticed ...
Larsen's user avatar
  • 343
2 votes
1 answer
625 views

Push works but no changes to the Remote Repository

I am hosting a git server on my Debian Stretch server in the /var/www/example.com/html directory. I am able to push files to this server on my local computer if I first clone the git repo by doing ...
DebianNoob's user avatar
2 votes
1 answer
856 views

Getting info about a weird directory

Joplin desktop app (https://joplin.cozic.net/) creates a directory in /tmp that I cannot get any info about as root: While logged in as a regular user I can enter a dir, I cannot even display its ...
LetMeSOThat4U's user avatar
2 votes
2 answers
2k views

duplicity: UnsupportedBackendScheme: scheme not supported in url: dpbx:///

I'm trying to use duplicity to backup a directory to DropBox in Debian Stretch. However, duplicity gives me the error: UnsupportedBackendScheme: scheme not supported in url: dpbx:/// I have verified ...
K G's user avatar
  • 123
2 votes
0 answers
1k views

TAR command exit status non 0, with the option ignore command error

I'm trying to make a tar of a logs directory, the applications are running so the logs keep changing, clearly when i run the tar command it give me the warning: "file changed as we read it", and give ...
Emax's user avatar
  • 415
1 vote
1 answer
4k views

Certificate hasn't got a known issuer

The TLS (SSL) certificate on one of my site expired yesterday. I obtained a new one - and installed it on the site (running on Debian 9 under nginx). Now when I access the site from a windows or mac, ...
Aleks G's user avatar
  • 1,026
1 vote
2 answers
2k views

Tons of OpenDKIM Issues

I for the life of me cannot get OpenDKIM to work correctly. I can send and receive messages just fine with postfix and roundcube. I have tried tons of things to get this working. At this point, I am ...
Shane Becker's user avatar
1 vote
2 answers
2k views

Lost connection to the server after adding new bridge to network configuration

In a Proxmox server (Debian), I changed my network config from this: source /etc/network/interfaces.d/* auto lo iface lo inet loopback auto enp0s31f6 iface enp0s31f6 inet static address 88....
mir.moezi's user avatar
1 vote
3 answers
760 views

Apache can't find directories in symlinked '/var'

I have the following directories, where /data is the mount point for a data partition, and /var is a symlink: lrwxrwxrwx 1 root root 9 Nov 20 13:25 /var -> /data/var lrwxrwxrwx 1 root root 9 Nov ...
Roger Dueck's user avatar
1 vote
1 answer
9k views

Another app is currently holding the xtables lock

I've been using a bash shell script to set complex iptables rules for years. However, on Debian Stretch when I tried to use a script, it became sluggish and left iptables in a bad state. When I ...
BurningKrome's user avatar
1 vote
2 answers
4k views

Adding a bridge kills the internet connection from all interfaces

I'm working on Debian stretch with the newest xen from repositories. Installing xen-system and xen-tools gave no errors, though when I try to start a guest (we'll call it dom1) it won't work unless ...
Angus's user avatar
  • 37