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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.

Troubleshooting Solution

linux account status and password last set

byPau Lo
10

How specifically in Linux can you determine the date an accounts password was last set, and the

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Troubleshooting Solution

Shortest  Path to CKAN

byAPD Toronto
5

Hi Experts,


How hard is it to learn Comprehensive Knowledge Archive Network (CKAN)?


I know that CKAN

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Troubleshooting Solution

ubuntu server 20.04.6 LTS kernel update

byAngel SysOPS!
2

hello I have an ubuntu server 20.04.6 LTS that needs a kernel update to patch a vulnerability.


I show

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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
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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

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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?

Troubleshooting Solution

How do I extend a middle partition in CentOS?

byjjwolven
7

I have a CentOS 7 server that I need to expand a partition. This partition is in the middle, so is

…
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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