Newest Questions
245,007 questions
0
votes
1
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18
views
Postfix: forcing postfix to use port 465 for all outgoing mail delivery
Suppose and external mailserver force the use (allow only) of port 465.
Postfix by default use port 25. So when I try to send an email postfix exit
with error "no route to host" and don't ...
- 14.2k
0
votes
1
answer
11
views
AppArmor Weird Behavior Debian 13.1
I'm new to AppArmor. I'm trying to create a more restrictive AppArmor configuration for my plex server. I used chatgpt to walk me through this process, but it has seemingly broken my AppArmor install ...
0
votes
0
answers
10
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Strange bug on IBm 9111-285 and OpenFirmware
I have this strange bug on Openfirmware with grub and ibm 9111-285 Workstation.
I turn on workstation, it boot..and crash
Appear this strange prompt
0 > ok
0 > ok
0 > reboot reboot, ...
- 14.2k
-1
votes
2
answers
25
views
How to check version of PostgreSQL available on pacman?
Is there a way I can check what version of PostgreSQL is available on pacman without needing to install it first?
I know I can install it and then run the following SQL to get the version:
SELECT ...
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votes
0
answers
13
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firewalld corruption python-nftables command not found
this is in RHEL-8.10 x86-64
from a clean install from rhel-8.10-x86_64-dvd.iso and only using the public.xml file;
the only things I do is
# quad port nic with eno4 being my wan connection
firewall-...
- 8,966
0
votes
0
answers
14
views
AH01477: lua: Failed to obtain lua interpreter for entry function
I upgraded my web server from Ubuntu 22.04 to 24.04. During that process, it uninstalled my Apache web server. No big problem, I simply reinstalled it. However, now I find that I seem to be unable to ...
- 833
0
votes
1
answer
31
views
x2 sudo commands cannot be executed in terminal
I am running a Ubuntu system on my Radxa Zero 3E (single board computer)
Using its GPIO I am driving a 5V LED via an NPN transisitor. Everything works.
For switching it on I use gpioset $(gpiofind ...
- 303
0
votes
0
answers
21
views
Resend first zfs snapshot
I may have a misunderstanding about zfs snapshots and replication. Assume the following:
On the source side I have
source/A@s1
source/A@s2
source/A@s3
source/A@s4
This gets replicated to the target
...
- 175
3
votes
2
answers
76
views
Custom separator in ps
I have this integrated in a bash-script on an outdated Debian 10.
ps -axo "%p ;;; %a"
Works well, output is like
10161 ;;; [kworker/0:1-cgroup_destroy]
12173 ;;; [kworker/2:0-events]
12379 ;...
- 989
-3
votes
0
answers
31
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Starting Steam Game Causes Malfunction on Linux Mint
I've been running Linux Mint 64-bit 22.2 Cinnamon DE for about a month now. For about the first two weeks of using it, I had no problems at all. However, for the past two weeks, I've been having ...
- 1
0
votes
1
answer
45
views
Installing Arch on an external SSD without using a USB stick to boot
I want to install Arch Linux on an external SSD without using a USB stick to boot.
How can I do that?
4
votes
3
answers
239
views
how to set an initial value when batch renaming to sequential numbering?
In this answer, the command
rename -n 'our $i; s/_.*/sprintf("_%03d.png", $i++)/e' *.png
is used to rename the files
abc_128390.png
abc_138493.png
abc_159084.png
...
to
abc_001.png
abc_002....
- 51
0
votes
1
answer
25
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Automatically connect to ethernet when available
I want my Linux laptop to connect to ethernet automatically when the ethernet cable is plugged in. Right now, if the laptop is connected to wifi, it will stay connected to wifi even after the ethernet ...
- 101
0
votes
0
answers
22
views
Posix filesystem features overlay [duplicate]
I have a remote system where I can create only files and directories. No symlinks, ACLs, hard links, devices, nothing.
I think, it would be really useful to be able to use it even as a linux root ...
- 10.5k
2
votes
0
answers
25
views
Btrfs locks the disk when deleting large files
when I am trying to delete large files on btrfs, it takes several minutes, and disk is completely locked during this time: other processes are locked on FS API calls.
This makes btrfs unusable on prod ...
- 21