Difference between revisions of "Advanced"
From AlphaBook
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| − | == | + | == tail == |
| + | * tail /var/log/maillog -f | ||
| − | == | + | == autofs == |
== fdisk == | == fdisk == | ||
| Line 27: | Line 28: | ||
* passwd | * passwd | ||
* touch /.autorelabel | * touch /.autorelabel | ||
| + | |||
| + | == User Management == | ||
| + | * UID starts from 1000 | ||
| + | * /etc/passwd | ||
| + | * /etc/shadow | ||
| + | * /etc/group | ||
| + | * /etc/gshadow | ||
| + | * /etc/sudoers | ||
| + | * useradd tshen -c "Terry Shen" | ||
| + | * passwd tshen | ||
| + | * groupadd | ||
| + | * userdel | ||
| + | * groupdel | ||
| + | * usermod | ||
| + | * groupmod | ||
| + | |||
| + | == Join in A Windows Domain == | ||
| + | * yum install realmd sssd adcli samba-common-tools | ||
| + | * realm discover corp.alphabook.cn | ||
| + | * realm join corp.alphabook.cn | ||
| + | * vi /etc/sssd/sssd.conf | ||
| + | ** cache_credentials = True | ||
| + | ** use_fully_qualified_names = False | ||
| + | ** fallback_homedir = /home/%u | ||
| + | * systemctl is-enabled sssd | ||
| + | * systemctl enable sssd | ||
| + | * systemctl restart sssd | ||
| + | |||
| + | == Mailx == | ||
| + | * yum info mailx | ||
| + | * yum install mailx sendmail | ||
| + | * echo "My Body" | mailx -r "from@alphabook.cn" -s "My Subject" -S smtp=smtp.alphabook.cn -v "to@alphabook.cn" | ||
| + | * Error: My unqualified host name (linux01) unknown | ||
| + | ** vi /etc/hosts | ||
| + | ** 127.0.0.1 linux01 linux01.corp.alphabook.cn | ||
Latest revision as of 12:59, 17 March 2019
Contents
tail
- tail /var/log/maillog -f
autofs
fdisk
- df -h
- fdisk -l
- fdisk -l /dev/sda
- Create new partition
- fdisk /dev/sdb
- m
- n
- p
- 1
- ENTER
- ENTER
- w
- partprobe
- fdisk -l /dev/sdb
Recover root password
- Press E to edit boot menu
- Add rd.break at the line of "linux16"
- Press Ctrl+X
- mount -o remount,rw /sysroot
- chroot /sysroot
- passwd
- touch /.autorelabel
User Management
- UID starts from 1000
- /etc/passwd
- /etc/shadow
- /etc/group
- /etc/gshadow
- /etc/sudoers
- useradd tshen -c "Terry Shen"
- passwd tshen
- groupadd
- userdel
- groupdel
- usermod
- groupmod
Join in A Windows Domain
- yum install realmd sssd adcli samba-common-tools
- realm discover corp.alphabook.cn
- realm join corp.alphabook.cn
- vi /etc/sssd/sssd.conf
- cache_credentials = True
- use_fully_qualified_names = False
- fallback_homedir = /home/%u
- systemctl is-enabled sssd
- systemctl enable sssd
- systemctl restart sssd
Mailx
- yum info mailx
- yum install mailx sendmail
- echo "My Body" | mailx -r "from@alphabook.cn" -s "My Subject" -S smtp=smtp.alphabook.cn -v "to@alphabook.cn"
- Error: My unqualified host name (linux01) unknown
- vi /etc/hosts
- 127.0.0.1 linux01 linux01.corp.alphabook.cn
