วันพฤหัสบดีที่ 23 เมษายน พ.ศ. 2563

Linux_Ubuntu 18

::Get Version
cat /etc/lsb-release


::Patch
 apt update && apt upgrade -y

::Region
unlink /etc/localtime && ln -s /usr/share/zoneinfo/Asia/Bangkok /etc/localtime
timedatectl


::Interface
ip l show
vi /etc/netplan/00-installer-config.yaml
netplan apply

::Hostname
vi /etc/hostname


::Fix VMWare
 1.shutdown guest
 2.Right Click select edit settings
 3.select "Options" Tab
 4.select "General" and "Configuration Parameters"
 5.select "Add Row"
 6.Add disk.EnableUUID = TRUE
 7.Click OK and Save


::ADD-User #normal
sudo useradd -s /bin/bash -d /home/web_adm/ -m web_adm
sudo passwd web_adm

::Add-User #admin
sudo useradd -s /bin/bash -d /home/web_adm/ -m -G sudo web_adm
sudo passwd web_adm




:: PROXY - Disable
vi /etc/apt/apt.conf.d/proxy.conf

Acquire::http::Proxy "http://10.61.10.123:80";
To
Acquire::http::Proxy "false";


::Add-Host
sudo vi /etc/host
10.90.8.28 ad.shera.com ad
10.90.8.40 webapp.shera.com webapp
10.90.8.41 webappdb.shera.com webappdb


************************************ IPv6
vi /etc/sysctl.conf
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
net.ipv6.conf.ens32.disable_ipv6 = 1
net.ipv6.conf.ens34.disable_ipv6 = 1

sysctl -p
cat /proc/sys/net/ipv6/conf/all/disable_ipv6

vi /etc/default/grub
GRUB_CMDLINE_LINUX="ipv6.disable=1"
GRUB_CMDLINE_LINUX_DEFAULT="ipv6.disable=1"

update-grub
systemctl reboot



************************************Netwok11
network:
  ethernets:
    ens32:
      addresses:
      - 10.61.10.77/24
      gateway4: 10.61.10.254
      nameservers:
        addresses:
        - 8.8.8.8
        search:
        - shera.com
  version: 2



************************************Network22 IP a


vi /etc/netplan/01-netcfg.yaml
vi /etc/netplan/50-netcfg.yaml


network:
  version: 2
  renderer: networkd
  ethernets:
    ens32:
      dhcp4: no
      optional: true
      addresses: [10.61.10.66/24]
      routes:
      - to: 10.61.10.0/24
        via: 10.61.10.254
      - to: 10.61.11.0/24
        via: 10.61.10.254
      - to: 10.61.12.0/23
        via: 10.61.10.254
      - to: 10.61.90.0/24
        via: 10.61.10.254
    ens34:
      dhcp4: true
      optional: true
      addresses: []




-------------------------------------
::ClockPit-install
sudo systemctl disable network-manager.service
sudo systemctl stop network-manager.service
sudo reboot

::ClockPit-Uninstall
sudo systemctl stop cockpit.socket
sudo systemctl disable cockpit.socket
sudo apt-get autoremove cockpit --purge

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