How to install snap on CentOS
Snap is available for CentOS 8 and CentOS 7, from the 7.5 release onwards. It’s also available for Red Hat Enterprise Linux (RHEL) 7.5+ Step…
Category: LINUX
CentOS: fix error: ValueError: No SELinux Policy installed
Example error: Solution: similar with error: cannot stat ‘/etc/selinux/targeted/contexts/files/file_contexts’: No such file or directory We have two solutions here: CentOS: fix error: cannot stat ‘/etc/selinux/targeted/contexts/files/file_contexts’:…
CentOS: fix error: cannot stat ‘/etc/selinux/targeted/contexts/files/file_contexts’: No such file or directory
Example install snapd-selinux error: You get error: Solution 1: Step 1: Check installed packages selinux Step 2: remove selinux-policy-minimum Step 3: install selinux-policy-targeted Solution 2:…
Linux: How to block ping using UFW
Step 1: backup before.rules cp /etc/ufw/before.rules /etc/ufw/before.rules_backup Step 2: edit file /etc/ufw/before.rules Change: change ACCEPT to DROP, we have: You can do this step by…
Linux: use a pattern for new line in grep and sed
Use a pattern for new line in grep and sed Solution: use grep -zoP Example: Use a pattern for new line in grep and sed…
Linux: find files based on a file name and file content pattern
Example: scan PHP shell with content in folder /home: Method 1: Method 2:
How To Install Google Chrome On Ubuntu Gnome Desktop 20.04
Use root account: Step 1: download google chrome Step 2: Step 3: Step 4: Activities -> Show Application -> Click on Google Chrome icon You…
Ubuntu 20.04: How to Install and Configure VNC server?
I. Install Gnome 3 desktop Step 1: sudo apt install ubuntu-gnome-desktop Step 2: II. TigerVNC server Step 1: apt install tigervnc-standalone-server Step 2: sudo apt-get…
How to build your custom GCC on Ubuntu 20.04
You can build any GCC version listed here. Example: you want to build GCC 12.1.0 Step 1: download source code cd /usr/local/src Result: Step 2:…
Linux: change date and time
Change Date: Change Time: Change Timezone: