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26.01.2025
) or Link Layer Discovery Protocol (LLDP).
Disable Internet Protocol (IP) source routing.
Disable Secure Shell (SSH) version 1. Ensure only SSH v2.0 is used with the following cryptographic
18%
30.11.2025
, most likely, (3/2) x 15 seconds.
Finally, -s defines the number of seconds to wait before sshguard "forgets" the attacker's IP address. The line
sshguard -l /var/log/auth.log -s 20
instructs sshguard
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30.11.2025
on their website is for version 2.0. Each package also contains a PDF version of the install guide, as well as the admin guide, which can also be downloaded separately from SourceForge. Neither has much detail
18%
07.10.2025
) provides a simple and secure way to make public keys for email addresses available over HTTPS. The underlying standard was first implemented in GnuPG version 2.1.12 and has been enabled by default since
18%
30.11.2025
_dlm]
root 3467 7 0 20:07 ? 00:00:00 [o2net]
root 3965 7 0 20:24 ? 00:00:00 [ocfs2_wq]
root 7921 7 0 22:40 ? 00:00:00 [o2hb-BD5A574EC8]
root 7935 7
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30.11.2025
a supportable release available for Ubuntu 12.04. According to the blueprint, the plan is "to achieve a high quality level under functional and load conditions for the identified use cases. The Ubuntu team plans
18%
30.11.2025
systems on your virtual machines, the Linux host system must provide a 64-bit kernel. To determine this, run the uname -m command, and it should output a value of x86_64 or amd64. You can run virtual
18%
30.11.2025
"------------------------------------------------------"
18 echo -n "Replace stored data line (y)? ";read we
19 if [ "$we" = "y" ];
20 then
21
22 # Delete line and write to
23 # temporary file
24
25 # Build sed instruction
26
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31.10.2025
, followed by an installation guide using a virtual instance of Ubuntu 12.04 as an example. Then, I'll demonstrate the main administration tool. Following this, the root filesystem on a test system
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30.11.2025
SELinux Information with -Z
01 # id -Z
02 user_u:system_r:unconfined_t
03 # ls -dZ /var/www/html
04 drwxr-xr-x root root system_u:object_r:httpd_sys_content_t /var/www/html
05 # ps -efZ | grep httpd
06
