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Linux is a UNIX-like open source operating system with hundreds of distinct distributions, including: Fedora, openSUSE, Ubuntu, Debian, Slackware, ...

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Edward van Biljon (MVP)
M365 Apps & Services MVP | Windows Insider MVP | MCT | Author | eJPTv2 | eCPPTv2 | CRTP | CRTE | CRTO | Security+ | CEH | Pentest+

Experienced Messaging Specialist with a demonstrated history of working in the information technology and services industry.

Research Solution

[linux] XDG_RUNTIME_DIR variable

byThomas Bucaioni
3

Hello,

We have two service accounts, one calling a script as another:



But it only work if we add the

…
Troubleshooting Solution

[linux] sssd and sshd issue (kerberos?)

byThomas Bucaioni
5

Regularly, ssh fails on random servers. Each time, the solution is to : 

  1. backup the sssd.conf file
…
Research Solution

JQuery Request to Linux server every second or few seconds.

byWayne Barron
17

Hello.

I am getting metadata from a Liquidsoap Server.

This is what it looks like.


I've written a

…
Troubleshooting Solution

handshake from Redis to postgresql slow performance if TLS is enabled

bysunhux
6

Typically, for "Level 2" CIS hardening benchmark items, we have simpler process of treating it as

…
Troubleshooting Solution

Converting linux script to run patches and install Weblogic 12 in macOS

bydkim18
1

Hi Experts,


I am trying to install Oracle WebLogic 12.2.1.3 and I have these zip files, jar and this

…
Troubleshooting Solution

PFSense - HAProxy point sub-domain to backend server - 404 error on page.

byWayne Barron
1

Hello, everyone.

(We have a single Static IP Address assigned to us by our ISP.
This would be an easy

…
Troubleshooting Solution

[linux] directory /usr/lib/firmware is 1G

byThomas Bucaioni
3

Hello,

Our directory /usr/lib/firmware is around 1G, any tips to clean it all safely?

Troubleshooting Solution

[linux] sar job: "flock: Resource temporarily unavailable"

byThomas Bucaioni
2

Hello,

The sa1 job sends an email every day saying the resource is temporarily unavailable.

Where

…
Troubleshooting Solution

permission on linux file

bybibi92
5

Hello,


How to change a permission on a file linux from : 

-rw-r--r--


-rw-r-----


Thank you 


Regards 

Troubleshooting Solution

[linux] partition seems full

byThomas Bucaioni
2

Hello,

A partition seems full with df -h while du -hc shows like half space used. Any hint?

Research Solution

[linux] LPIC-3 resources

byThomas Bucaioni
1

Would you have any resources for LPIC-3? Levels 1 and 2 can be prepared on plenty of platforms and

…
Research Solution

[ansible] host search with Ara

byThomas Bucaioni
1

How to make a host research with Ara: https://ara.recordsansible.org/ ?

In the "Search and filter"

…
Research Solution

[ssh] execute script on remote with sudo rights

byThomas Bucaioni
2

After browsing, I found: https://www.shellhacks.com/ssh-execute-remote-command-script-linux/

Just

…
Troubleshooting Solution

[yum update] error: package requires other packages

byThomas Bucaioni
2

After a yum update, we have several errors of the kind:

Any quick fix?

Troubleshooting Solution

[fsck] filesystem check under Linux

byThomas Bucaioni
3

In Linux, is there a way to check a mounted filesystem? In the logs, we have

and dmesg has


Research Solution

[netstat] command disappeared after upgrade

byThomas Bucaioni
4

Today we upgraded a server under RHEL 8u9, and netstat was gone. Did Red Hat remove it proper?

A

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Troubleshooting Solution

typical permissions / ACLs for key (or .cer) files in RHEL

bysunhux
1

Is there any specific permission on encryption key and .cer files and the folders holding them in

…
Troubleshooting Solution

NTLM vs NTLM-SSP

bysara2000
4

Authentication, encryption, and authorization are not my strengths. I hope someone will shed light

…
Advice Solution

lightweight proxy dispatcher based on path without hard coded backends list

byskullnobrains
5

hi


i have a working nginx config that allows to pick backend servers on unix sockets based on the url

…
Troubleshooting Solution

Linux rsync clarification

byMember_2_6538061
4

The situation is this:  

An Ubuntu server with a directory mounted to a remote NFS share.  The remote

…

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