Questions tagged [debian]

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

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Apache Archiva backup best practices

I have a server running Apache Archiva in standalone mode built from the Apache site tarball. It has been running like a charm for already 6 years. The OS is Debian Linux. Until now all the artifacts ...
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“GPG error: https://oss.oracle.com/debian unstable Release”

The error I am having when trying to update my package list. root@wetainfotech:/# apt update Hit:1 http://ftp.de.debian.org/debian buster InRelease Hit:2 https://packages.sury.org/php buster InRelease ...
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rsyslog seems to be triggering sdhci dumps when writing in external storage

Acording what I read, rsyslog is usually used to process logs and send them to another locations, either local (external storage, specific partition, etc.) or remote (logging server, for example). ...
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43 views

Mounted .img file does not clear up disk space when files are deleted

I have a requirement to use more inodes than normally available on most file systems. Therefore, I create and mount a ext4 filesystem with a custom inode setting: dd if=/dev/zero of=loop0.img bs=1MB ...
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elasticsearch.service is not a native service, redirecting to systemd-sysv-install

after installing Elasticsearch on Debian using these instructions, I am trying to enable it as a service using this command sudo /bin/systemctl enable elasticsearch.service But I get this error: ...
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I can not ping the public IP address of the router (Debian)

I have a problem that I cannot solve for a long time. I have a Linux virtual machine (Debian 10) which has a static IP address in the local network (192.168.0.21).The machine is working fine, I can go ...
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2answers
34 views

Curl SSL Certificate: unable to get local issuer certificate

when using curl in verbose mode, I get this error: Command: $ curl -vvI https://www.google.com Error: successfully set certificate verify locations: CAfile: none CApath: /etc/ssl/certs TLSv1.3 (OUT),...
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1answer
72 views

Server isn't responding to pings routed via vpn

I've server and virtual machine on it. I'm hosting OpenVPN on this server. The virtual machine has two interfaces: ens18 - for public IP, ens19 - for an internal network. I'm trying to ping 10.2.0.3 (...
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VSFTPD: 500 OOPS: unrecognised variable in config file: local_root

I have a problem with vsftpd configuration. My vsftpd version is 3.0.3 When I'm trying add local_root variable to serwer configuration vsftpd stops working. How to fix this problem? My vsftpd config: ...
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`bad-setting (Reason: Unit nftables.service has a bad unit file…` when add `/etc/systemd/system` conf to nftables

System is debian 10 with nftables. I plan to make nftalbes auto restart when failed,script as below: cat << EOF >> /etc/systemd/system/nftables.service.d/override.conf [Service] Restart=on-...
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How to get the permission of `/run/user/1000/gvfs` when system is newly installed?

System is newly installed debian 10. I cannot get the permission of /run/user/1000/gvfs properly,changed from d????????? ? ? ? ? ? to dr-x------ when cd /run/user/1000. me@pc:~$ ...
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Debian 11 template on Hyper-V

I used to run Debian 10 on a Hyper-V (Windows 2019) Server and I could set up a "template" VHD and copy it every time I needed a new Debian server, thus getting around the installation. Now ...
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Using a software raid array after os failed [closed]

So I have a debian home server that has a 4 disk software RAID 5 array. My OS runs only on a normal nvme SSD. I know thats not secure, but it is a home server, so I didn't really care when I installed ...
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SSH tunnel reconnecting after WAN change or server drop

I am fighting with autoSSH configuration. My setup VPS as a public contact point, clients will access the VPS IP to get to the server My home server running the service. This machine has dualwan ...
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36 views

Debian LXC command not found

I am trying to do things with LXC and I have been able to manage with the lxc-* commands but now I have been forced to copy a file and I'm stuck because I can't get to copy the file, I have read that ...
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Connect to Linux VPS via VPN running on Another Linux VPS

Is it possible to connect to Linux VPS via VPN running on another Linux VPS at all? I have 2 Debian VPS boxes. The first one runs openvpn only. The second one is production. I entered the IP address ...
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Unable to access samba user restricted share from Windows 10

Server: Debian 10, SAMBA v4.9.5 Client: Windows 10 21H1 I'm trying to create two Samba shares. One is open access to any user and doesn't request a password. The shared folder is /media/NAS. The other ...
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Error Bind 9.11: not loaded due to errors

I'm new to bind and I'm trying to configure the dns server settings to create a domain for my Debian 10. whenever I give the commands: named-checkzone corsis.br /etc/bind/zones/db.corsis.br end named-...
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23 views

unknown variable 'file-key-management-filename'

New installation of Debian 10, with MariaDB 10.3.29. Trying to set up encryption-at-rest, but MariaDB won't start due to an error... 2021-07-16 17:13:16 0 [Note] InnoDB: Using Linux native AIO 2021-07-...
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Rescue Tip: Wrong library file installation damaged Ubuntu 18.04 after upgrade

There was an old Ubuntu 14.04 linode.com instance which I attempted to upgrade to 18.04. Some Dependencies where somehow not upgraded anyway. So I attempted to install corresponding deb file from ...
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13 views

Linux disable screensaver and dpms from configuration file

I am handling many Debian desktop computers with saltstack, and I would like to disable screensaver and energy parameters from saltstack. There are desktop GUI options, to configure these options, how ...
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1answer
50 views

Run script after Debian installation is complete

I am using preseed to auto install debian. I want to be able to run a script called "run.sh" at the end of the Debian installation: #!/bin/bash touch /root/example.txt I have tried several ...
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38 views

Linux: Mounting a partition on a new physical drive to a directory - where does the data reside (physically)?

If I have a machine with a single physical disk and I partition and add a new disk to a directory (e.g. /usr/data) long after the OS has been installed and running, where do those files exist ...
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15 views

Can't install KVM because of apt fails Bad Archive Mirror

I'm trying to install a Debian KVM virtual machine on a Debian server. The virt-install command starts the GUI, but it stops at the Configure Package Manager step. I already have some VMs installed, ...
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How to reduce repeat log in debian 10?

In similar quesiton,I know echo 'if $programname == "systemd" and ($msg contains "Starting Session" or $msg contains "Started Session" or $msg contains "Created ...
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Lots's of ` kernel: [ ] output chain dropped: IN= OUT=enp0s31f6 ` in `/var/log/messages`

I already disble ipv6 in mypc debian 10 system,firewall is nftable. When I check /var/log/messages,lots of kernel: [ ] output chain dropped as below: Jul 13 11:03:14 mypc kernel: [ 8206.745775] ...
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`vbetool dpms off` not working from crontab

I have an old laptop I'm using to host a home Debian server. I'd like to switch the screen off at boot, so I put @reboot vbetool dpms off in the root crontab (sudo crontab -e). It looks like it runs ...
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32 views

Can't SSH into my server from my Mac Terminal and rsync over SSH is suddenly broken too

all of a sudden I can't login to my server from my Mac Terminal. On my Linux machine normal ssh login still works, except rsync over ssh also gets stuck. This is what happenes when I try to connect ...
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Debian automated install preseed auto partitioning seemingly ignored

I'm playing with Debian preseed files trying to auto-partitioning a single disk. The final disk state I'm trying to reach is the following : boot Primary Partition 1 ext3 [256MB] ...
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2answers
311 views

Openvpn3 client failed calling D-Bus method Connect on Debian buster

I had a healthy Openvpn3 client running on my laptop, and every day used to successfully connect to my company's vpn without any hurdle. However today things went wrong, and I'm no longer able to ...
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What is the most reliable way to install ifupdown2 via Ansible?

I need to install the Linux package ifupdown2 on a couple of remote Debian servers and want to use Ansible for this task. Since ifupdown2 replaces the standard Debian network tool ifupdown, no network ...
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61 views

Docker error - “cannot open path of the current working directory: Permission denied”

I'm currently learning Docker and just migrated to an Ubuntu 20.04.2 VM running in VMware workstation player as my Raspberry Pi 2 running Debian 9 has kicked the bucket. Seems Docker requires some ...
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32 views

curlftpfs on proxmox “ Input/output error”

I use curlftpfs to mount my ftp hosted by scallway on a dedibox (proxmox 6.4-7). curlftpfs dedibackup-dc3.online.net /mnt/ftp-backup -o rw,allow_root,nonempty,direct_io,hard_remove,big_writes,dev,suid ...
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1answer
28 views

LUKS decrypt on boot with web based key?

Is it possible to configure LUKS to grab a key file from a web server and use it to decrypt and mount the drive on boot? The idea being that this allows the device to boot, decrypt, and start running ...
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20 views

How to properly update container sizes when extending kvm/libvirt disk when running into “… smaller then corresponding PV size” error?

I work on a Debian buster system as a KVM/libvirt host and followed this guide to extend the disk of my guest: https://computingforgeeks.com/how-to-extend-increase-kvm-virtual-machine-disk-size/ . ...
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1answer
43 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/...
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28 views

OHV VPS ports not modified. Where are those rule set?

I have a problem with a VPS ports config (on ovh.com). I set up Debian 10 and updated it. I didn't install any firewall software. OVH infrastructure is protected by a global firewall, but on my panel ...
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1answer
23 views

OHV VPS ports remain “closed” and can't be changed, why?

I have a problem with a VPS ports config (on ovh.com). I set up Debian 10 and updated it, but when I try to configure ports I get many errors. I found that OVH infrastructure is protected by a global ...
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185 views

System has not been booted with systemd as init system (PID 1). Can't operate. ( Openvpn )

I'm pretty new to Linux and i'm still learning the ropes of it. I tried starting the openvpn service using both "systemd start openvpn@server" and "sudo systemctl start openvpn@server&...
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36 views

VNC server on Debian laptop [migrated]

I am trying to get a vnc server running on my old laptop, which has debian 10 freshly installed. I installed tigervnc-standalone-server, and it runs and almost does what I want. If I start VNC before ...
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1answer
73 views

How to fix AH00534: apache2: Configuration error: No MPM loaded?

When doing sudo apachectl graceful on my Debian 9 server I got the "AH00534: apache2: Configuration error: No MPM loaded." error message. The webserver still started and the error log was ...
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1answer
55 views

Weird upload speed in Debian

I have a SG VPS with roughly 1Gbps upload & download, and this is confirmed through speedtest-cli to multiple server, and my ISP's max download speed is 20Mbps However me and other users facing a ...
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22 views

Ethernet/UIB device is accessible on one system but not the other (Linux)

A Universal Interface Board connects to the computer via Ethernet. On a correctly configured system (A), arp -a lists its MAC address and establishes a connection. The connection appears to happen ...
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Dovecot cant connect per hostname on local machine

After Debian 10.9 upgrade to newest version 10.10 my dovecot instance cant be accessed from local machine using hostname/localhost. From the outside everything is fine using the same hostname and port ...
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38 views

How to avoid password change when boot GRUB in debian 10 system?

Per this post,I know it's easy to change password when boot GRUB. When I read set debian grub password ,I run command as below: cat << EOF >> /boot/grub/menu.lst timeout 3 password hackme ...
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1answer
46 views

Boot diskless client from iscsi target

I have a Ubuntu server 20.04 setup to run the service as an iscsi target. I've accessed and mounted the target from a client (running Debian) and installed a Debian on the mounted block/device. Making ...
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37 views

Debian/Linux weird mdraid state

Why is md1 state UU, md0 is U_ and md2 is _U? nvme1n1 is broken here. Can I safely replace nvme1n1 now? You can see md2 state, nvme0n1p3 seems removed but nvme1n1p3 seems active. How can I safely ...
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1answer
69 views

Is it possible to install MySQL5.7 on Debian 10/buster?

I have tried two times and it always fails. According to this little guy debian stopped packaging mysql-client as of buster. I tried to cope with it by installing MariaDB but I struggle to find a ...
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14 views

What could be the reason that docker bridge networks are not able to communicate with the world after an upgrade from debian 8 to 10?

I know, this question is very specific. After a whole day, I gave up and installed a clean Debian 10. Because on a system that got upgraded from 8 to 10, it was impossible for me to find the reason, ...
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1answer
63 views

How to install `aide` without `aide-common` in debian?

Per this post, Newer versions of Ubuntu (including 14.04) come with two packages for AIDE: aide, with the aide command and manual page, and little else aide-common, with a wrapper around that ...

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