Questions tagged [debian]

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

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apt-get install and upgrade fails on debian

I've got a strange error preventing me from installing anything on my Debian box. When I run apt-get upgrade (or apt-get install) it produces this error message: # apt-get upgrade E: dpkg was ...
fiskah's user avatar
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Login screen in debian 5.0.3

I'm a very fresh Linux user. It's my first step and I finished Debian 5.0.3 installation and I can't login. I type the username and password but nothing! Just the prompt changes to "debian@user$". I ...
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6 answers
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Network routing issues on Linux

I was hoping someone out there would be able to look at this and let me know what I have missed. I have 4 machines and for some reason, only 1 of them can talk to the other 3 via their private IP ...
Peter Sankauskas's user avatar
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5 answers
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Debian 5 Install Login Password

I just installed Debian 5 however the install didn't ask me for a root password. At any rate I can't log in because I don't know the root password. Is there any way to regain access or do I have to ...
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Performance improvement for Innodb - High CPU

I have a dotnet application that has a high-traffic connection to the MySQL database. It's an application that stores IoT data. It connects to the database approximately 50 times per second. In these ...
Taylan Yuksel's user avatar
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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 ...
R2Bleep2's user avatar
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Mediawiki cannot acces database after Debian upgrade

I upgraded a Debian 9 "Stretch" server to Debian 10 "Buster", which also upgrades Mediawiki to version 1.31. Trying to run update.php, it fails with "Cannot access the ...
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why do you need to update a whole operating system to get updated php version? (debian) [closed]

I am mostly a windows guy. I have a debian 9 VM with OMV and wanted to update the php version. I read and realised that you need to update the whole os to get the latest php version? Why do you need ...
yeahman's user avatar
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Can't upgrade certbot because of libc6 version

I am trying to update Certbot from 0.10.2 to some version with support to ACME 2 in Debian 9.1 with Python 2.7.9. apt-cache policy certbot certbot: Installed: 0.10.2-1 Candidate: 0.28.0-1~deb9u2 ...
Fel's user avatar
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Upgrade outdated linux production servers without shutting down

I came into some work with a client who wants to setup a monitoring infrastructure. The issue I have come across is a lot of servers are using really old kernel versions(from around 2012-2013) the ...
Joseph.Codes's user avatar
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Is there any reason apt-get upgrade would install new packages?

I recently ran apt-get update on a server, and the output suggested it was installing a bunch of new packages. What could be the reason for this? Should I be worried? Reading package lists... ...
grahamrhay's user avatar
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How to get ps output with headers [duplicate]

The question is basic, How to get output of ps with headers in Linux. Linux details: PRETTY_NAME="Debian GNU/Linux 7 (wheezy)" NAME="Debian GNU/Linux" VERSION_ID="7" VERSION="7 (wheezy)" I can get ...
Saurabh's user avatar
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Why does apt-get install duply (on debian 7.8) not update to the latest verison?

Hi there I'm a bit confused about updating on my debian server. I'm using duplicity + duply on my server and wanted to update duply to the latest version. Running: sudo apt-get install duply ...
fabianmoronzirfas's user avatar
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1 answer
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Shared /home with NFS: chown /home/userdir to a user that doesn't exist on the server

Let's say I have a NFS /home on my server that gets mounted on boot by clients (EDIT: on their own machines -- locally), in order to have a common /home for my clients, this way they automatically ...
Aroll605's user avatar
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apt-get source: Unknown command "source"

Following this tutorial, I'm stuck a this line: $ apt-get source lighttpd Unknown command "source" aptitude 0.6.8.2 Why does my apt-get/aptitude does not support this command? I don't know if this ...
dummy's user avatar
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2 answers
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Duplicate partition table in (Debian) Linux

A disk failed in a software RAID array and I'm trying to replace it. I've done this before without a hitch but this time I'm getting an error when trying to duplicate the partition table. I'm using ...
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Debian Server System time and time used by processes are different

I have a dedicated server running debian 7, the system time shows "Wed Aug 7 04:28:26 EAT 2013" I have restarted the server several times but processes like deluge and apache return http headers ...
Omar Salim's user avatar
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3 answers
176 views

Debian server is killing my network

I have a Debian 6.0 server and everything was running fine with it. This server is my environnement so I can develop web application. Since yesterday, the server is doing something to the network and ...
David Bélanger's user avatar
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1 answer
2k views

When running `export $PATH` on linux, where does this info actuall store?

Let's say I run this straight from a bash command line, where is this information actually being stored? export PATH="/usr/local/bin:/usr/bin:/bin:/usr/bin/X11:/usr/games"
kylex's user avatar
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configure secondary dns server debian

I have two VPS. I would like to use second one as a secondary dns server. both VPS are Debian 6. how I could do that? is it enough that I install bind9 and copy zone files from first VPS to second VPS?...
m3hdi's user avatar
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server host name and server ip address redirect (Debian, Apache)

I have the following folder structure on my Apache .../var/www/www.x.tt/htdocs .../var/www/www.y.tt/htdocs I have defined a virtual host for each. So if I type in www.x.tt in my browser I get to the ...
Matthias Reisner's user avatar
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3 answers
315 views

How to test and actually perform a transfer of an internet domain to a new server regarding mail?

My setup is a productive server (e.g. 1.1.1.1) hosting a domain, lets say example.com. Currently, postfix and courier (only IMAP) are doing the job of hosting mail. I am planning to transfer the ...
SimonTheSorcerer's user avatar
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1 answer
913 views

Debain cron help accessing a URL

The documentation says that I need to: If your hosting account is on LINUX/UNIX system you can setup a CRON job to point to this URL http://yourUrlToThisScript.com/cron.php?cron=do&d=31 ...
John Magnolia's user avatar
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1 answer
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Command to show .php files ordererd by date last change or creation

I need to show all .php files created or modified within 1 day (or last tot entries) Is there a command for this?
dynamic's user avatar
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Debian: sftp-server still running after removing vsftpd?

After i removed vsftpd from my new vserver with debian5, there is still some process called sftp-server running and managing ftp-connection. How can i turn that off? Where does it came from? ...
sewo's user avatar
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1 answer
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Load all printers drivers on a custom Debian CD

I am building a custom Debian CD to install a Debian web server with our software, and it have to handle a printer, which can be any existing printer. How can I add all printers drivers, and how CUPS ...
Cédric Girard's user avatar
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2 answers
1k views

change htaccess password daily

I want to protect a sub domain where the user is only given access for 1 day. Is it possible to set up a cron job that will automatically update a .htpasswd file with a new password daily?
John Magnolia's user avatar
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2 answers
336 views

Apache2: not defined domains directing to the same virtual host

I have Apache2 configured in a debian box with virtual hosts. I have several domains pointing to the box's IP address. The domains whose virtual hosts are configured works perfectly. But if I type in ...
rafaame's user avatar
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proliant dl360 G7 + debian squeeze

has anyone installed debian squeeze on an HP proliant dl360 G7 ? my concerns are about hardware raid, does it works? on http://wiki.debian.org/HP/ProLiant i see that DL360 G6 is not working. thank ...
giorgio la malfa's user avatar
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3 answers
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How can I log all traffic with its exact length?

I want to process all packets with their size going through our gateway server (running Debian 4.0). My idea is to use tcpdump, but I have two questions. The command I'm currently thinking of is ...
Christoph Wurm's user avatar
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3 answers
247 views

Server should shutdown when network connectivity goes down

I tried putting script like this: #!/bin/sh date >> /home/date halt It works when the network cable removed manually and i have inserted the script in /etc/network/if-down.d. It is not working ...
Caterpillar's user avatar
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Can I trust that every Debian-derived distro will have a 'base-files' package that contains '/etc/debian_version'?

What I want is a quick, reliable command to ascertain that the Linux I'm running in is Debian-based. The following command seems to work. It also returns the Debian version: dpkg -L base-files 2>/...
JCCyC's user avatar
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4 answers
7k views

Error while installing Samba on Debian

When doing apt-get install samba smbfs I get the following error. How do I go about troubleshooting and fixing this? Errors were encountered while processing: samba E: Sub-process /usr/bin/dpkg ...
Jared's user avatar
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3 answers
158 views

Can I rely on `curl` being installed on Debian/Ubuntu? How could I find out?

Is curl installed by default on Debian & Ubuntu (in 2024)? How could I answer this question myself? I am writing the install instructions for software, part of which requires running a script that ...
Amandasaurus's user avatar
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Setup A Program to Run At Startup As A Specified User On Linux

I have a server running Debian 12 that does not have root access enabled as recommended by many. I do have an another user admin privileged account on the server. I have a program that does not come ...
Somekindofnick's user avatar
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1 answer
7k views

For SSH access only, do I leave `#PubkeyAuthentication yes` commented out in sshd_config, or uncomment it?

Just setting up a new Debian 10 server having uploaded my public SSH keys, not restarted sshd yet. I can now log in without password, so now doing all the usual recommended edits in /etc/ssh/...
Dave Everitt's user avatar
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2 answers
420 views

Where are the official sources for libzbar?

zbar is a project that provides a barcode/qr-code scanning library and command line programs. libzbar0 is provided in version 0.22 on Debian buster (our Docker images) and in version 0.23 on Ubuntu 20....
panzi's user avatar
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2 answers
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Can not connect to VM

Linux noob here. I have a VM on Google Cloud. Have Debian on it. I used to connect to it through Google Cloud's ssh client. In file /etc/ssh/sshd_config i changed the value: PermitRootLogin ...
Doruk's user avatar
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1 answer
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POSTFIX Won't Start says: bind 0.0.0.0 port 25: Address already in use

Sorry, I've read tons of related topics but didn't get solutions for my issue. Suddenly this morning, POSTFIX did not respond. I didn't do anything special in my server. POSTFIX status says : ...
Bruno de Goyrans's user avatar
0 votes
1 answer
600 views

Changed from DHCP to static but cannot resolve name [closed]

I just installed a Debian 9.6 amd64 on a VirtualBox with NAT. I had to change the network settings from DHCP to static and with a netmask of /30 because it is in my assignment. So I followed a few ...
Hi There's user avatar
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1 answer
2k 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 ...
Shlomi's user avatar
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1 answer
852 views

EC2 is down, cant access it over http or ssh

It happened to me several times before, and each time I restarted the server and it replaced the ip and worked. But why does that happen? looked at the monitoring tab and cpu and memory were low so ...
Tzook Bar Noy's user avatar
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1 answer
8k views

Hyper-V Integration for Debian 8

As per https://oitibs.com/install-hyper-v-lis-on-debian-8/ i need to edit nano /etc/initramfs-tools/modules however i noticed that even without this, nor installing apt-get install hyperv-daemons, out ...
morleyc's user avatar
  • 1,150
0 votes
1 answer
146 views

exim4 - email clients unable to retrieve emails

I have configured exim4 on my Debian system and I am able to send emails from the server as a user and receive emails to this user. I am also able to connect mail client such as thunderbird/bluemail ...
Maciej Cygan's user avatar
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1 answer
2k views

Problems with reverse DNS to unknown hostname

I test it in pingdom on dns health. Pingdom gives me this error message; Reverse for 192.0.2.4 points to an unknown host name (192-0-2-4.rev.example.invalid). The PTR record for the address points to ...
berk's user avatar
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0 votes
1 answer
2k views

Login problems after changing default port ssh

I changed the Port in sshd_config file and restart the service (Using Linux Debian 8). Logged out from SSH (Putty) and I tried to login later but I can't connect through Putty anymore.. I tried to ...
Ask_Overflow's user avatar
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2 answers
4k views

Postifx - Dovecot unable to send emails "status=bounced (user unknown)"

My email server was working fine on (Debian Jessie 8.5). My setup uses Postfix 2.11.3, Dovecot 2.2.13, and using Virtual users and Mailboxes (Maildir style). It worked great, until I wanted to ...
KingsInnerSoul's user avatar
0 votes
1 answer
1k views

systemd does not notice apache starts

My debian-system has been infected with the systemd-virus... When I issue the "service apache2 start" command to start apache, it thinks it failed, but apache is running just fine. So "service ...
Lenne's user avatar
  • 997
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1 answer
6k views

How come I can't see apache's environment variables in my shell?

I'm running apache on my Debian 8 laptop. I haven't made any config changes so everything is at the default. apache2.conf uses environment variable defined in /etc/apache2/envvars, but when I open a ...
red888's user avatar
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Cronjob change email subject and sender name

I have a cronjob setup using crontab that looks like this... [email protected] 00 02 * * * /home/myaccount/myscript.sh This works great and at 2AM it runs the script and emails me the ...
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