Linuxサーバ(CentOS, Almalinux)構築後に行う設定作業をメモしておく。
yum update -y # Sudo can be used no password. (Just Intranet.) visudo visudo -c # Create User useradd <username> passwd <username> # Give sudo Authority to created user usermod -aG wheel almalinux # Install software packages tar # For VS Code. tmux git wget vim python (miniconda, pyenvy or From AppStream) # SELinux is disabled. (Just Intranet.) vim selinux # Disabled # Auto log. mkdir ~/logs vim ~/.bash_profile に script ~/logs/$(date +%Y%m%d_%H%M%S).log を追記 # Enable access with key authentication. mkdir .ssh chmod 700 ~/.ssh vim ~/.ssh/authorized_keys # Register private key of LOCAL chmod 600 ~/.ssh/authorized_keys # Disable firewall. (Just Intranet.) sudo systemctl stop firewalld sudo systemctl disable firewalld # Setting static IP. sudo yum install net-tools route # Check default gateway cat /etc/resolve.conf # Check DNS IPadress sudo nmcli connection modify <NIC> ipv4.addresses "192.168.x.x/24" sudo nmcli connection modify <NIC> ipv4.gateway 192.168.x.0 sudo nmcli connection modify <NIC> ipv4.dns 192.168.x.0 sudo nmcli connection modify <NIC> ipv4.method manual sudo nmcli connection down <NIC> sudo nmcli connection up <NIC>