software: Ubuntu 22 LTS

Ubuntu 22 LTS

::VM-Tool install

$ mount /dev/cdrom /media

$ tar xzvf /media/VMwareTools-x.x.x-xxxx.tar.gz -C /tmp/

$ cd /tmp/vmware-tools-distrib/

$ ./vmware-install.pl

$ ./vmware-install.pl -d default

$ umount /media

$ rm /tmp/VMwareTools-x.x.x-xxxx.tar.gz
$ rm -rf /tmp/vmware-tools-distrib

::Upgrade

$ apt update

$ apt upgrade -y

$ apt-get install -f

::Check version

$ lsb_release -a

::SET Regional

$ timedatectl

$ unlink /etc/localtime

$ ln -s /usr/share/zoneinfo/Asia/Bangkok /etc/localtime

$ timedatectl

::SET Hostname

$ vi /etc/hostname

::Host file

$ vi /etc/hosts

127.0.0.1 localhost
127.0.1.1 apitms
10.90.8.37 apitms apitms.sher.com
10.50.2.102 sap sap.sher.com
10.50.2.102 sapprd sapprd.sher.com
10.50.2.104 saprqa saprqa.sher.com
10.30.2.104 sapdev sapdev.sher.com

# The following lines are desirable for IPv6 capable hosts
::1     ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters

::Network-mon

$ ip r

$ ip a

$ resolvectl status

$ netplan apply

$ netplan --debug apply

::Network-Config

$ vi /etc/netplan/xx-xx-xx.yaml

# This is the network config written by 'subiquity'
network:
  ethernets:
    ens32:
      addresses:
      - 10.61.10.30/24
      nameservers:
        addresses:
        - 10.90.8.28
        search:
        - shera.com
      routes:
      - to: default
        via: 10.61.10.254
  version: 2

::DISABLE_IPv6

$ ip a | grep inet6

$ vi /etc/default/grub

GRUB_CMDLINE_LINUX_DEFAULT="ipv6.disable=1"

$ update-grub

$ 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

$ sysctl -p

$ cat /proc/sys/net/ipv6/conf/eth0/disable_ipv6

$ ip a | grep inet6

::Add_New user and grant root privilege

$ useradd -s /bin/bash -d /home/newuser/ -m -G sudo newuser

$ passwd newuser

or

usermod -aG sudo newuser

::verify

$ su - newuser

$ grep '^sudo' /etc/group

::Add root users

$ useradd -s /bin/bash -d /home/newuser/ -m -ou 0 -g 0 newuser

$ passwd newuser

$ grep newuser /etc/passwd

::verify

$ su - newuser

$ vi ~/.bash_profile

cd /

::History_Clear

$ history -c

software

วันจันทร์ที่ 4 กรกฎาคม พ.ศ. 2565

Ubuntu 22 LTS

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