SELINUX IN DETAIL, IN RHEL/CENTOS 8
Hey All, let’s learn selinux concept in linux
Author: Musabuddin Syed
ASSIGNING GRUB PASSWORD
Hey All, To protect people from breaking into your system, even while booting it is good to keep boot loader password. In this video we are going to discuss exactly the same thing. Protecting bootloader by assinginig grub password. #grub2-setpassword #ls /boot/grub2 –> user.cfg […]
USING FILE AS SWAP SPACES IN LINUX
in this video we are going to learn how to use a file as swap spacs in LINUX
CHANGING DEFAULT PORT IN SSH AND PORT FORWARDING
Step1: edit /etc/ssh/sshd_config file Step2: Allow custom port in selinux semanage port -a -t ssh_port_t -p tcp #PORTNUMBER Step3: Allow custom port in firewall firewall-cmd –add-port=2222/tcp –permanent firewall-cmd –reload Step4: restart or reload sshd services systemctl reload sshd PORT FORWARDING USING FIREWALLD firewall-cmd –add-forward-port=port=22:proto=tcp:toport=2222 […]
Error in kickstart installtion in rhel/centos 8.3
Hey, Recently it is observed that in RHEL/CENTOS 8.3 there is a error,while performing kickstart installtion on client side. client is getting stucked if the following string is passed. The above details are kickstart server : 192.168.10.50/pub/ks.cfg client ip: 192.168.10.60 netmask=24 what ever is given […]
Upgrading rhel/centos from one minor version to other
Hello everyone, Today we are going to learn how to upgrade from one rhel/centos minor version to other. 1. In this scenario, I’m taking a machine which is already installed with rhel 8.2 version and we will update it with rhel8.3. (make sure you have […]