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Linux OS Dev

Kernel programming for Linux operating systems can be done with many different languages; C, C++, Python, Perl and Java, which are some of the most...

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Database Administrator / Software Engineer

Over 20 years of experience as an Application Architect/Developer, a Database Administrator, and a PM focusing on performance.

Troubleshooting Question

How to improve security in Ubuntu?

byM A
5

We have installed our new ERP in Ubuntu in cloud.

We need to harden the server for improved security.

Advice Question

WEB Solution for Postfix logs (Linux Ubuntu 22.04).

6

Hello Experts :)


I have installed a SMTP Postfix gateway for my job.
All works fine (SPF, DKIM,

Troubleshooting Question

Slow performance with website running on Ubuntu

bymobot
5

We have a big problem with responsiveness on a web application running on Ubuntu Linux, Apache,

Troubleshooting Question

ubuntu - sudo without password

16

Ubuntu experts, help me understand this:


My ubuntu server is only doing Key authentication. I have

Troubleshooting Question

VM GUI configuration options on a Headless Ubuntu Server Host (QEMU/KVM/LibVirt)

4

Please do not shout me down on the Headless part of this, I realise it's both an odd request and the

Troubleshooting Question

phpmyadmin  memcached  problem

4

hello, i installed isp config with Nginx on ubuntu 22.4 

when i open the PHPmyadmin its give me error

Troubleshooting Question

Encrypted ubuntu lvm won't accept password

8

I have an ubuntu server that I installed.  It is a vm on vmware.  Essentially, pretty simple web

Troubleshooting Question

having issue with haproxy load balancer

2

Dear Experts,

I am trying to implement below HAproxy load balancer:

haproxy -v
HAProxy version

Troubleshooting Question

strongswan to Fortigate site-to-site VPN with PSK issues

22

I am attempting to configure a Site-to-site VPN between on on-premise Fortigate and Strongswan

Troubleshooting Question

How can I make a Linux NTP Proxy

12

Hi Guys, 
I want to create a small Linux server (no more than 2 vCPU's and 2BG of RAM)
Preferably

Troubleshooting Question

how to create docker image from ubuntu base image and install python packages?

bymikha
3

setup - using ubuntu as a base image, I want to build an image with additional python packages,

Troubleshooting Question

building docker container in ubuntu or similar linux operating system

bymikha
3

I've heard , 'debian based'  term frequently, and i can probably start researching on it as well,

Troubleshooting Question

New Ubuntu 20.04.6 LTS server - Syslog is flooded with multipathd[876] errors

3

Need some assistance here... I have a provisioned  a new Ubuntu 20.04.6 LTS server on our vSphere

Troubleshooting Question

mysql killed by oomkiller

9

hello, 

each 25min mysql process killed with oom killer 

i have ubntu 22.4 with mariadb 10.6 

i tried

Troubleshooting Question

How to use self-signed certificate in Drupal sandbox?

1

I am setting Drupal 10 on Ubuntu 20.04 in a sandbox.  I went through the instructions up to 

Troubleshooting Question

Cloud-init autoinstall LUKS and CLEVIS/BIND

During the Ubuntu autoinstall process, I have a working cloud-config that creates a LUKS volume,

Troubleshooting Question

Shell script to change the vLAN metric numbers

4

I need your expertise to perform the following.

Scenario:

I have an Ubuntu 20.04 with two vLANs (50

Troubleshooting Question

Installing UBUNTU, GRUB Command prompt

14

I am new to Linux. I tried to install UBUNTU on a new system. It all seemed to go OK until there was

Troubleshooting Question

Problem enabling FIPS Mode after Ubuntu 20.04 autoinstall

1

I am trying to autoinstall Ubuntu 20.04.x and enable FIPS mode after the core installation is done.

Troubleshooting Question

UOS issue

5

Hi,
How to run "ipconfig/all" within UOS server?

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