Difference between revisions of "Basic"
From AlphaBook
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== Hostname == | == Hostname == | ||
| − | * | + | * hostnamectl |
* hostnamectl set-hostname Linux001 | * hostnamectl set-hostname Linux001 | ||
Revision as of 13:50, 4 December 2018
Contents
Partition
- /boot
- /
- swap
Hostname
- hostnamectl
- hostnamectl set-hostname Linux001
Network
- vi /etc/sysconfig/network-scripts/ifcfg-ens32
- BOOTPROTO=static
- ONBOOT=yes
- IPADDR=192.168.200.10
- NETMASK=255.255.255.0
- GATEWAY=192.168.200.1
- systemctl restart network
- vi /etc/resolv.conf
- search corp.alphabook.cn
- nameserver 114.114.114.114
- CentOS 7 NetworkManager Keeps Overwriting /etc/resolv.conf
- Check DNS related configuration in /etc/sysconfig/network-scripts/ifcfg-ens32
Service
- systemctl status ssh
- systemctl start ssh
- systemctl stop ssh
- systemctl restart ssh
- systemctl reload ssh
- systemctl enable ssh
- systemctl disable ssh
- systemctl is-enabled ssh
- systemctl is-active ssh
- systemctl show ssh
Firewall
- systemctl status firewalld
- firewall-cmd --get-default-zone
- firewall-cmd --set-default-zone=internal
- firewall-cmd --list-service
- ssh dhcpv6-client http https ftp samba samba-client smtp tftp tftp-client dns
- firewall-cmd --permanent --add-service=http
- firewall-cmd --reload
- firewall-cmd --list-all
SELinux
- sestatus
- getenforce
- setenforce
- vi /etc/selinux/config
Mount
- mount /dev/cdrom /media
- mount -o loop xxx.iso /media
Permission
- r=read=4 w=write=2 x=execute=1
- u=user g=group o=other
- chmod 755 file01
- chmod go+x file01
- chown User01.Group01 file01
- chgrp Group01 file01
