CentOS7 安装操作命令

#timedatectl set-timezone asia/shanghai
关闭selinux
vi /etc/sysconfig/selinux
#selinux=enforcing
selinux=disabled
setenforce 0
getenforce
#yum install -y epel-release perl gcc gcc-c++ autoconf automake libtool m4
#yum -y install bzip2-devel harfbuzz-devel freetype-devel ncurses-devel libtermcap-devel bison-devel libpng-devel libjpeg-devel gd-devel curl-devel enchant-devel gmp-devel libc-client-devel openldap-devel libmcrypt-devel readline-devel libedit-devel recode-devel libtidy-devel expat-devel openssl-devel zlib-devel libxml2-devel libmcrypt-devel libtidy-devel libxslt-devel
centos7 vi /etc/yum/pluginconf.d/langpacks.conf 
enable=1改为enable=0
yum groupinstall "x window system"
yum groupinstall "gnome desktop"
systemctl set-default graphical.target
#systemctl set-default multi-user.target
vi /etc/ssh/sshd_config
permitrootlogin no
allowusers user
usedns no
vi /etc/hosts.deny
sshd:all:deny
vi /etc/hosts.allow
sshd:127.0.0.1:allow

how to install mpeg-4 aac decoder for centos 7 linux 
mpeg-4-aac decoder and h.264 decoder
# yum -y install http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-5.el7.nux.noarch.rpm
# yum -y install libdvdcss gstreamer{,1}-plugins-ugly gstreamer-plugins-bad-nonfree gstreamer1-plugins-bad-freeworld libde265 x265
# yum -y install gstreamer1-libav
# yum -y install gstreamer1-vaapi
#yum install ffmpeg

centos7 安装simhei.ttf字体
cp复制字体目录到/usr/share/fonts/win/simhei.ttf
cd /usr/share/fonts/win/
mkfontscale
mkfontdir
fc-cache (更新字体缓存)

vpn setup
yum -y install epel-release ppp iptables-services
yum -y install pptpd
systemctl start pptpd.service 
systemctl enable pptpd.service
systemctl start iptables
systemctl enable iptables
vi /etc/pptpd.conf 
cat /etc/ppp/options.pptpd 
vi /etc/ppp/chap-secrets 
vi /etc/sysctl.conf 
net.ipv4.ip_forward = 1
sysctl -p
/sbin/iptables -f
/sbin/iptables -x
/sbin/iptables -z
iptables -t nat -a postrouting -s 192.168.0.0/24 -o eth0 -j masquerade
iptables -t nat -a postrouting -s 192.168.0.0/24 -o eth1 -j masquerade
/sbin/service iptables save
/sbin/iptables -l

yum install -y perl gcc gcc-c++ autoconf automake libtool m4 make git
git clone https://github.com/rofl0r/proxychains-ng.git
cd proxychains-ng/
./configure
make && make install
cp src/proxychains.conf /etc/
vi /etc/proxychains.conf

apache配置https生成证书
cd /usr/local/apache2.2.21/conf
openssl genrsa -out server.key 2048
openssl req -new -key server.key -out server.csr
openssl x509 -req -days 3650 -in server.csr -signkey server.key -out server.crt