Basic
From AlphaBook
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
Time
- timedatectl
- timedatectl list-timezones | grep Asia
- timedatectl set-timezones Asia/Shanghai
- cat /etc/chrony.conf
- Or ntp
- systemctl stop chronyd.service
- systemctl disable chronyd.service
- yum install ntp
- systemctl start ntpd.service
- systemctl enable ntpd.service
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
Disk
- df -h
- fdisk -l
- fdisk -l /dev/sda
- more about fdisk
Firewall
- systemctl status firewalld
- firewall-cmd --get-default-zone
- firewall-cmd --set-default-zone=internal
- firewall-cmd --get-service
- firewall-cmd --permanent --add-service=http
- 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
- mount -t nfs filer01.corp.alphabook.cn:/Department /Department
- vi /etc/fstab
- filer01:/Department /Department nfs4 rsize=65536,wsize=65536,hard,tcp 0 0
- autofs
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
rpm & yum
- rpm -ivh packagename-version-arch.rpm
- rpm -qa
- yum info samba
- yum install samba
- yum update samba
- yum remove samba
- yum update
- yum group list
- yum group info "Basic Web Server"
- yum group install "Basic Web Server"
- yum provides mysql