Questions tagged [debian-buster]
139 questions
35
votes
3 answers
How to see debug logs for WireGuard (e.g. to see authentication attempts)
I've successfully set up a WireGuard VPN on my Debian 10 server. It was incredibly straight forward compared to the setup of OpenVPN, and it's working fine.
However, I can't see any logs beyond those from journalctl -u wg-quick@wg0.service. I'd like…
artfulrobot
- 3,401
14
votes
2 answers
After upgrade from Debian 10 Buster to Debian 11 Bullseye security updates 404 not found
Doing recommended upgrade path, TL;DR:
Backup data, then
apt update
apt upgrade
apt dist-upgrade
reboot
Also disable all non main stream packages if any.
Then preparing APT for new distribution:
sudo sed -i 's/buster/bullseye/g'…
Arunas Bart
- 769
13
votes
5 answers
bash: dpkg-reconfigure: command not found
Debian10 seems to have removed the commands poweroff, reboot and dpkg-reconfigure, probably among others. What do I do instead of dpkg-reconfigure locales?
As a side note, I read the release notes and I think it's ridiculous this stuff isn't…
gl00ten
- 317
- 1
- 2
- 9
6
votes
1 answer
``date`` in terminal now in 12hr format on Debian Buster
Since updating to Debian Buster, running date on the terminal shows the clock in AM/PM format instead of 24hr clock. This is new and is happening on all updated installations.
Docker container:
yeri@b9b3e889fd76 ~ $ date
Thu 01 Aug 2019 11:28:25 PM…
Tuinslak
- 1,515
6
votes
1 answer
Debian 10 Buster can't renew DHCP as client, when IPv6 is disabled
After I upgraded Debian 9 to 10 Buster server lost network connection after 24 hours since reboot, I think problem is it can't renew IP address from DHCP server.
In /var/lib/dhcp I see the file dhclient.eth0.leases with expired date inside.
This…
Roman_G
- 63
6
votes
4 answers
MariaDB memory use rises beyond configured size
I noticed a steady increase in system memory use %age (as reported by sar) which I've tracked to MariaDB. It's does not seem to be related to db load: this increase is notmatched by an increasing number of queries.
I have the following size…
artfulrobot
- 3,401
5
votes
1 answer
Fail2ban on Debian Buster - the right way to configure?
Fail2ban can be configured in so many places.
$ fail2ban-client -i
Fail2Ban v0.10.2 reads log file that contains password failure report
and bans the corresponding IP addresses using firewall rules.
On Debian Buster I can edit my settings in…
Gill-Bates
- 773
- 3
- 14
- 27
5
votes
3 answers
How to make Wake on Lan persistent in Debian buster?
I am on Debian 10 buster.
Output of sudo ifconfig -a is
enp0s7: flags=xxxx mtu 1500
inet 192.168.xx.xxx netmask 255.255.xxx.x broadcast 192.168.xx.xxx
inet6 xxxx:xxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx …
J C
- 151
5
votes
5 answers
Recommended approach to build a 24-disk pooled SSD hot-set cache: RAID, LVM JBOD, etc?
I'm trying to figure out the lowest hassle way to provision 24x locally attached SSDs as a large logical volume with low-value data. I'm using them as a hot-set cache for data who's master state (about a petabyte) resides in S3, so I care more about…
Seth
- 171
4
votes
1 answer
Migrating from libvirt + iptables to libvirt + nftables
I'm about to migrate a Debian Stretch host using qemu-kvm to Debian Buster.
I've seen people complaining on the Internet about issues due to nftables becoming default in place of iptables and libvirt using iptables rules. Rules automatically written…
Jérôme
- 665
4
votes
1 answer
How do I enable IPv6 with Nginx on Debian 10
I have a problem for a new install on debian 10 to use an IPv6 address on Nginx. The version of Nginx is 1.14.2. When I verify that Nginx supports IPv6, I see that it is not enabled. I use this command:
nginx -V
Previously I did an installation on…
St3ph
- 61
4
votes
1 answer
Is there a Debian Repository with OpenJ9 based Java releases?
Does anyone know if there are any Debian (11 Bullseye) repositories providing the latest and greatest Java builds based on OpenJ9 or did someone perhaps write some scripts for automatically updating it from IBM's website?
AdoptOpenJDK as of Java 17…
Chaeska
- 51
- 6
4
votes
3 answers
Is it safe to apply fail2ban on sshd "Received disconnect/Disconnected ... [preauth]" logs?
I'm seeing a lot of logs like these in /var/log/auth.log (Debian Buster):
Jan 2 17:10:17 mybox sshd[16304]: Received disconnect from 1.2.3.4 port 37792:11: Bye Bye [preauth]
Jan 2 17:10:17 mybox sshd[16304]: Disconnected from authenticating user…
Alice Heaton
- 143
4
votes
0 answers
unattended-upgrades conffile prompt
To enable unattended-upgrades for packages which can show dpkg config change menu, one has to configure apt and dpkg with these config options:
Dpkg::Options {
"--force-confdef";
"--force-confold";
};
These options should be added to a config…
shodanshok
- 52,255
4
votes
2 answers
Why is IPv6 disabled upon reboot even after configuring sysctl.conf?
First of all it cracks me up how many articles are out there to force IPv6 OFF on linux servers. Come on folks, get with the new! :D
root@hodor:~# lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux…
Lon Kaut
- 161
- 1
- 6