Questions tagged [administration]
The administration tag has no usage guidance.
234
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Proper way to write C code that injects message into /var/log/messages?
In Linux, RHEL-8.10 or later if it matters, I would like to write some C code that takes in various parameters and upon a certain condition issues a system("init 0") to shutdown the system. ...
0
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2
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Setting Application Defaults in Linux /etc/default
I posted this question over in ServerFault, but it isn't getting any answers. What does the group assembled here think? I've looked in the local Confluence docs and it's been this way for like ten ...
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how to manage size of /home .cache and .local folders
running RHEL 8.10 x86-64 on a server with many users,
/home is on a separate partition, and all user accounts as defined in /etc/passwd have their account under /home but there is a separate /data ...
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How do I run pi-hole using Podman?
I am building a home server just for fun and for the learning experience. This is my first time, so I am relatively new to all of this. The plan is to run things like pi-hole and Nextcloud and a few ...
0
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2
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198
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'apt-get update' failing
So i just now tried to update my installed packages in order to upgrade my Debian version and 'apt-get update -y' threw me this error:
apt-get update -y
Hit:1 http://security.debian.org buster/updates ...
1
vote
0
answers
118
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Handling the putty SSH Warning Potential Security Breach (changed host key)
Scenario:
Linux server, allowing users to connect via SSH using the putty-0.80.exe ssh client on Windows 10.
Work environment, 100+ users mostly NOT computer savvy
Linux Server updated from Redhat-7 ...
0
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0
answers
170
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How to Free Up Space on Full overlay and /dev/vda1 Filesystems in a Linux Environment?
I am facing an issue where the overlay and /dev/vda1 filesystems on my server are both completely utilized, showing 100% usage. This scenario has led to operational challenges, and I am seeking advice ...
1
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0
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158
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Performance Co-pilot (pcp) necessary? and pmlogger folder filling up
on a Redhat 8.9 system built from rhel-8.9-x86-64.iso as Server with GUI, I have the following rpm's installed (see below) by default I assume.
The folder /var/log/pcp/pmlogger/<hostname>/ has ...
0
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0
answers
150
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How to generate daily report of total bytes written (TBW,DWPD) to disk (SSD) in Linux
What is the best way to get the correct value of total bytes written to disk per day?
My goal is to log it over time, so as an admin you can gain some sense of activity on a Linux Server and have a ...
0
votes
1
answer
53
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xfs_quota bsoft limit explanation
Using RHEL 8.9, I have xfs_quota applied to each home account folder under /home.
In doing xfs_quota -x -c 'limit bhard=1g ron' /home I can observe for example a cp fail when trying to copy a single ...
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40
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How to start openvpn without any daemonization and log redirection?
I want effectively a debug modus, i.e.
I do not want openvpn to fork
I want all output in the stdout/stderr and nothing in various logs.
How can I do that? I could stop forking with a --daemon=0, ...
2
votes
2
answers
618
views
validity of imposing tmux on users
If you look at STIG reference V-230349 you will see the full text, which I am about to summarize.
The initial statement, or rule title, is RHEL 8 must ensure session control is automatically started ...
0
votes
1
answer
61
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Persistent atop across reboots
atop shows total CPU time since the last reboot. How can I have it persist across reboots?
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13
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enumerating user scopes/slices
I need to enumerate programaticaly all user scopes under a systemd instance.
currently i'm doing systemctl --state running list-units user@*
which gives me units such as [email protected]
Then i use ...
0
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0
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194
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Creating password protected folders inside password protected samba share
I have already created a password protected samba share which is working fine, but my organizations requirement is as follows:
Separate password protected directories for each department
Inside every ...