centos system management
1、 the term
BIOS
Hard disk partition: MBR GPT
GRUB: Multi-operating system startup program
2、 Start the process
3、 centos7:
File system XFS
firewalld
mariadb
/etc/locale.conf
systemctl start/stop/restart xxx
systemctl enable/diable xx
systemctl --type service
systemctl kill --signal=9 sshd
ss
ip address show
ip route show
4、 OSI: physical, data link, network, transmission, session, presentation, application
5、
ls -a all
ls -d
ls -S sort by file size
ls -t sort by modification time
6、 vim
7、 /etc/passwd shadow group login.defs
useradd -b c d e p
chown -R x:x lkjldsj
chmod -R x
File default 666 directory 777
8、 rpm
rpm -q httpd
rpm -ql httpd
rpm -qi httpd
rpm -e httpd
rpm -e --nodeps httpd
rpm -ivh
rpm -uvh
tar cvf package
tar xvf
9、 fdisk -l
fdisk /dev/sdb
d delete
l
n new
w write
mkfs.xfs xx
mount xxx xxx
echo mount xx xx>>/etc/rc.local
10 vsftpd configuration file
11 vsftpd anonymous user configuration
12 vsftpd system user configuration
13 vsftpd virtual user configuration
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