yum install -y xorg* gnome* glx*
init5
e
linux16 这行最后，rd.break
Ctrl+X
mount -o remount,rw /sysroot
chroot /sysroot
echo "flectrag" | passwd --stdin root
touch /.autorelabel
exit
reboot
vim /etc/hostname
nm-connection-editor
nmtui
vim /etc/sysconfig/network-scripts/ifcfg-eno16777728
ifconfig查看
1\
vim /etc/selinux/config
SELINUX=enforcing
cat /etc/selinux/config
2\
vim /etc/yum.repos.d/rhcsa.repo
[rhcsa]
name=rhcsa
baseurl=http://rhgls.domain1.example.com/rhel
enabled=1
gpgcheck=0
3\
lvscan
cat /etc/fstab
mkdir /finance
是ext4格式的时候：
umount /dev/linuxprobe/vo
lvextend -L 300M /dev/linuxprobe/vo
e2fsck -f /dev/linuxprobe/vo
resize2fs /dev/linuxprobe/vo
mount /dev/linuxprobe/vo /finance
是xfs格式时不用取消挂载
lvextend -L 300M /dev/linuxprobe/vo
xfs_growfs /dev/linuxprobe/vo
df -h
blkid 查看格式
4\
groupadd adminuser
useradd natasha -G adminuser
useradd harry -G adminuser
useradd sarah -s /sbin/nologin
echo "flectrag" | passwd --stdin natasha
echo "flectrag" | passwd --stdin harry
echo "flectrag" | passwd --stdin sarah
5\
cp /etc/fstab /var/tmp/fstab
ls -al /var/tmp/fstab
chmod o+r /var/tmp/fstab
setfacl -m u:natasha:rw /var/tmp/fstab
setfacl -m u:harry:- /var/tmp/fstab
getfacl /var/tmp/fstab
6\
crontab -e -u natasha
23 14 * * * /bin/echo hiya
crontab -l -u natasha
7\
mkdir /home/admins
chown :adminuser /home/admins
chmod -Rf 770 /home/admins
chmod g+s /home/admins
ll -d /home/admins
8\
vim /etc/yum.repos.d/update.repo
[update]
name=update
baseurl=http://rhgls.domain1.example.com/updates
enabled=1
gpgcheck=0
#yum clean all
#yum makecache
#yum update kernel -y
9\
yum -y install openldap openldap-clients sssd authconfig-gtk
authconfig-gtk
ssh ldapuser1@localhost
10\
yum install ntp
vim /etc/chrony.conf
//将原先3-6行的数据信息删除，然后追加下面参数：
server rhgls.domain1.example.com iburst
systemctl restart chronyd
systemctl enable chronyd
11\
yum install autofs
mkdir /home/guests
vim /etc/auto.master
/home/guests /etc/auto.guests
vim /etc/auto.guests
* -fstype=nfs,rw,vers=3 host.domain1.example.com:/home/guests/&
vim /etc/auto.guests
systemctl restart autofs
systemctl enable autofs
ssh ldapuser1@localhost
12\
useradd jack -u 2000
13\
fdisk /dev/sdb
n
e
4
n
1
5
回车
+512M
w
partprobe
partprobe
mkswap /dev/sdb5
vim /etc/fstab
/dev/sdb5 swap swap defaults 0 0
mount -a
free -m
swapon -a
free -m
14\
mkdir /findfiles
find / -user ronny -exec cp -Ra {} /findfiles \;
15\
grep seismic /usr/share/dict/words
grep seismic /usr/share/dict/words > /root/filelist
16\
tar -cjvf /root/backup.tar.bz2 /etc
tar -czvf /root/backup.tar.gz /etc
常见压缩格式： .tar或.tar.gz或.tar.bz2
-c 打包
-z Gzip压缩格式
-j bzip2压缩格式
-v 显示过程信息
-f 压缩包名称，必须放到参数最后一位
压缩：tar -czvf etc.tar.gz /etc
解压：tar xzvf etc.tar.gz -C /root/etc
-C 大写C 指定要解压到哪个指定的目录去
17\
fdisk /dev/sdb
n
1
6
回车
+200M
w
partprobe
partprobe
pvcreate /dev/sdb6
vgcreate -s 16M datastore /dev/sdb6
lvcreate -L 160M -n database datastore
mkfs.ext4 /dev/datastore/database
mkdir /mnt/database
vim /etc/fstab
/dev/datastore/database /mnt/database ext4 defaults 0 0
mount -a
df -h
搞定。吃饭去喽
