Linux

How to get serial number

sudo hdparm -i /dev/sda | grep SerialNo

nvme list (from nvme-cli module)

Listing Users in Linux

cat /etc/passwd

How to use sfdisk command to display boot partition

Type the following command:
# sfdisk -l
# sfdisk -l /dev/sda
Sample outputs:

• add network interface
• sudo nano /etc/network/interfaces
• auto eth0
• auto eth1
• iface eth1 inet static  
• address 192.168.50.22  
• netmask 255.255.255.0
• # gateway 192.168.1.1
• # dns-nameservers 8.8.8.8
• sudo systemctl restart networking

How to Find My DNS Server IP Address

cat /etc/resolv.conf
or
grep "nameserver" /etc/resolv.conf

• PHP-FPM Process Calculator
• Format Disk : sudo mkfs -t ext4 /dev/xvdb
• How to check boot path (partition) in Linuxlsblk /dev/sda
• How To Automount File Systems on Linux
  https://www.linuxbabe.com/desktop-linux/how-to-automount-file-systems-on-linux
  • Step 1: Get the Name, UUID and File System Type
    • sudo blkid
  • Step 2: Make a Mount Point For Your Drive
    • sudo mkdir /mnt/bkp
  • Step 3: Edit /etc/fstab File
    • sudo nano /etc/fstab
      • UUID=eb67c479-962f-4bcc-b3fe-cefaf908f01e /mnt/bkp ext4 defaults 0 2
    • sudo mount -a
• LVM: Add a New Disk to a Volume (linuxhint.com)
• Format and mount new disk
  • lsblk -f
  • sudo mkdir /mnt/bkp
  • fdisk /dev/xvdb
    • and then format partition
  • sudo mount -t auto /dev/xvdb1 /mnt/bkp
• Find File in Linux : find / -name ‘zabbix_server.log’
• Control Panel we should give it a try

https://apiscp.com/features/athena

• Delete files and directory without prompt rm -r abcd
• File manager as root usersudo nautilus
• sudo systemctl restart sshd
• Install PHP zip Extension
  yum install php-pearyum install php-devel pecl install zip then i gone to the php.ini ( i tried open it on either cyberpanel interface and on terminal) and insert the code:extension=zip.so;
• visudo –>To make changes to sudo from putty/bash:Type visudo and press enter.Navigate to the place you wish to edit using the up and down arrow keys.Press insert to go into editing mode.Make your changes – for example: user ALL=(ALL) ALL.Note – it matters whether you use tabs or spaces when making changes.Once your changes are done press esc to exit editing mode.Now type :wq to save and press enter.You should now be back at bash.Now you can press ctrl + D to exit the session if you wish.