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#administration - Questions and answers

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9 points

Linux / Debian - man: can't set the locale; make sure $LC_* and $LANG are correct

Hi! After one year I have decided to turn on my old server where Debian 9 (stretch) in installed. When I run man command I get the wollowing message: Any idea how to solve the problem?

1 answers

1315

4 points

Linux - sshd: unknown [net] and sshd: [accepted] processes

Hi, Today I have noticed some processes appearing on my server sshd: unknown [net] and sshd: [accepted]. Is there any reasone why it appears?

1 answers

1350

7 points

Bash - script.sh: line 7: $'\r': command not found

What is the reason I am getting the following error when I'm trying to run my script in ssh? Error message:

1 answers

499

6 points

VirtualBox - Cannot enable nested VT-x/AMD-V without nested-paging and unresricted guest execution!

Hi, I have decided to upgrade my Windows 10 to 11, installing and enabling WSL 2. That changes crushed my VirtulBox giving the error when I try to run some machine: How to rollback my configuration?

1 answers

1315

10 points

How to check log4j logs and detect attack with jndi (CVE-2021-44228 bug attack detection test)?

Hi, Is there fast way to check if my server was attacked using last bug in log4j / log4j2? I have heard about attack with jndi: (bug ). I have upgrad log4j to 2.16.0 and now I want to check server log...

1 answers

466

4 points

Redmine - sprockets requires Ruby version >= 2.5.0

During instalation Redmine 3.4.11 on my Debian 9 (Stretch), I got following error: I was doing everything acccording to official instrucction: In Debian 9 repositories I dont have indicated version. S...

1 answers