Starting auditd service fails: The var/log/messages shows: Here, the /var/log/audit is missing. Resolution:
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Bridge vs Normal Interface
A network interface is a hardware or software component that connects a device, such as a computer or a router, to a network. It allows the device to […]
howtos
Changing metric value of an interface using nmcli command
Note the current metric value: Find connection name by running nmcli connection show Run nmcli connection modify ipv4.route-metric to change the metric value Run nmcli connection up to […]
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What is early kdump feature?
The early kdump is a feature in the Linux operating system that facilitates the capture and analysis of kernel crash dumps in the event of a system crash […]
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ICMP redirects
ICMP redirects are a feature of the Internet Control Message Protocol (ICMP), specifically ICMP Router Advertisement and ICMP Redirect messages. These messages are used by routers to inform […]
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How to enhance the security of NFS?
To enhance the security of NFS, especially when you cannot or should not use the no_root_squash option, there are several alternative security measures you can implement. These measures […]
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What is no_root_squash option in NFS?
The no_root_squash option is an important configuration parameter in NFS that determines how the server treats requests from the root user (UID 0) on the NFS client machines. […]
howtos
How to verify the integrity of an installed package on RHEL/CentOS
To verify the integrity of an installed RPM package on your system: Open a terminal or command prompt on your Linux system. Run the following command to verify […]
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What is BGP (Border Gateway Protocol)?
BGP (Border Gateway Protocol) is a core routing protocol used in the Internet and large-scale enterprise networks. It is the protocol that enables the exchange of routing information […]