In the following example, the KDE desktop environment provides the Wireshark from the start menu like below. Just type the “wireshark” to the start menu. Wireshark can be opened in different ways from the Start Menu or command-line interface. $ sudo usermod -aG wireshark $(whoami) Open Wireshark By using the following command the current user gets the required privileges to read network packets. The current user needs to be added to the wireshark group to get the required privileges. These actions require root or Administrator privileges where in order to use the Wireshark. Wireshark mainly reads the network interface and captures packets. $ sudo yum install wireshark Wireshark Permission Or the yum install command can be used like below.
The root privileges can be provided with the sudo command like below. Additionally discussed disabling SELinux permanently or set this to permissive mode on CentOS 7 or RHEL 7 Linux systems.We can install the wireshark with the following yum install or dnf install command. In this tutorial, you have learned how to disable SELinux on CentOS 7. Then reboot your system to apply changes. Edit the configuration in in your favorite text edit: sudo nano /etc/selinux/config You can also Configure SELinux Permissive Mode Permanently by editing the configuration file. Set SELinux in Permissive Mode (Permanent) Use the next method to apply changes permanently. Once the system rebooted, the temporary mode will be disabled and SELinux will again in enforcing.
sudo setenforce 0 sudo setenforce Permissive You can set the SELinux in permissive mode temporarily by using one of the below commands. It only creates logs, which is helpful for debugging. To install Wireshark command line tool only execute: dnf install wireshark-cli. For a GUI Wireshark application execute: dnf install wireshark. To Install package called Whireshark using the dnf command. SELinux does not deny any operations even they do policy violations. For additional help or useful information, we recommend you to check the official Wireshark website. The permissive mode means the SELinux policy is not enforced.
Set SELinux in Permissive Mode (Temporary) Instead of disabling SELinux, you can set it to permissive mode. You can again activate the SELinux by setting SELINUX=enforcing in configuration file. To install Wireshark just enter the following command in your terminal sudo apt-get install Wireshark Wireshark will then be installed and available for use. Set SELINUX value to disabled: SELINUX=disabled This will completely disable all the SELinux context. Edit the SELinux configuration file and set SELINUX=disabled to permanently disable the SELinux on a CentOS 7 system. You can disable SELinux permanently by edition the /etc/selinux/config file in CentOS 7 and RHEL 7 systems. The above status shows that SELinux is enabled and enforcing.
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