centos7 部署备忘
centos7修改主机名
hostnamectl set-hostname xxx
设置主机名dns到本机
vim /etc/hosts
127.0.0.1 xxx
挂载磁盘 参考链接
fdisk /dev/vdb
# 输入n
# Partition type 输入p 回车
# 分区号 输入1 回车
# 起始 扇区 使用默认值 直接回车
# Last 扇区 使用默认值 直接回车
# 最后输入w 回车
mkfs.ext4 /dev/vdb1
# 增加一行到/etc/fstab 把磁盘挂在/home目录下
/dev/vdb1 /home ext4 defaults 0 0
mount /dev/vdb1 /home
安装mysql 参考链接
sudo yum update
wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
sudo rpm -ivh mysql-community-release-el7-5.noarch.rpm
yum update
sudo yum install mysql-server
sudo systemctl start mysqld
sudo mysql_secure_installation
安装mysql8
rpm -Uvh https://repo.mysql.com/mysql80-community-release-el7-3.noarch.rpm
sed -i 's/enabled=1/enabled=0/' /etc/yum.repos.d/mysql-community.repo
yum --enablerepo=mysql80-community install mysql-community-server
# 只装mysql client
yum --enablerepo=mysql80-community install mysql-community-client.x86_64
> 执行上面这步如果出现:
> ======
> 源 "MySQL 8.0 Community Server" 的 GPG 密钥已安装,但是不适用于此软件包。请检查源的公钥 URL 是否配置正确。
>
> 失败的软件包是:mysql-community-client-8.0.28-1.el7.x86_64
> GPG 密钥配置为:file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
> ======
> 通过执行`rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022`解决
service mysqld start
grep "A temporary password" /var/log/mysqld.log
mysql_secure_installation
systemctl restart mysqld
systemctl enable mysqld
# Authentication plugin 'caching_sha2_password' cannot be loaded
[mysqld]
default_authentication_plugin=mysql_native_password
ALTER USER 'username'@'ip_address' IDENTIFIED WITH mysql_native_password BY 'password';
安装redis 参考链接
sudo yum install epel-release
sudo yum update
sudo yum install redis
sudo systemctl start redis
sudo systemctl enable redis
源码安装redis systemd启动脚本参考链接
# 首先从redis官网下载需要的版本 https://redis.io/download
# 这里以4.0.14为例
tar -xvf redis-4.0.14.tar.gz
cd redis-4.0.14
make && make install
# 成功的话,执行该命令看make install安装到了哪里
# 本例输出:/usr/local/bin/redis-server
which redis-server
# 从redis源码目录复制redis配置文件到/etc/redis/redis.conf
mkdir /etc/redis
cp redis.conf /etc/redis/
# 创建systemd脚本
vim /etc/systemd/system/redis.service
# 内容如下:
[Unit]
Description=Redis
After=syslog.target
[Service]
ExecStart=/usr/local/bin/redis-server /etc/redis/redis.conf
RestartSec=5s
Restart=on-success
[Install]
WantedBy=multi-user.target
# 执行 收工
sudo systemctl enable /etc/systemd/system/redis.service
sudo systemctl start redis.service
安装java 参考连接
sudo yum install java-1.8.0-openjdk
sudo yum install java-1.8.0-openjdk-devel
安装java17 参考链接
mkdir -p /home/jdk
cd /home/jdk
wget https://download.java.net/java/GA/jdk17.0.2/dfd4a8d0985749f896bed50d7138ee7f/8/GPL/openjdk-17.0.2_linux-x64_bin.tar.gz
tar zxf openjdk-17.0.2_linux-x64_bin.tar.gz
vim /etc/profile
#在unset i 上方插入以下环境 变量
export JAVA_HOME=/home/jdk/jdk-17.0.2/
export CLASSPATH=$JAVA_HOME/lib:$CLASSPATH
export PATH=$JAVA_HOME/bin:$PATH
安装nginx 参考连接
sudo yum install epel-release
sudo yum install nginx
sudo systemctl start nginx
sudo systemctl enable nginx
安装php 参考链接
yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm
yum install yum-utils
yum-config-manager --enable remi-php73
yum install php php-fpm php-mcrypt php-cli php-gd php-curl php-mysql php-ldap php-zip php-fileinfo php-redis
sudo systemctl start php-fpm
sudo systemctl enable php-fpm
安装snap 参考链接
sudo yum install epel-release
sudo yum install snapd
sudo systemctl enable --now snapd.socket
sudo ln -s /var/lib/snapd/snap /snap
安装certbot 参考链接
sudo snap install core
sudo snap refresh core
sudo snap install --classic certbot
sudo ln -s /snap/bin/certbot /usr/bin/certbot
# 安装ssl证书
sudo certbot certonly --nginx
# 开启自动更新证书
sudo certbot renew --dry-run
# 查看定时任务
systemctl list-timers
修改aws centos默认用户
# 修改root密码
sudo passwd root
# 登录root
su root
# 修改ssh配置
## PermitRootLogin yes
## UsePAM no
vi /etc/ssh/sshd_config
# 修改ssh公钥
## 只留下公钥部分
vi /root/.ssh/authorized_keys
“Could not resolve host: mirrorlist.centos.org; 未知的错误”
vi /etc/yum.repos.d/CentOS-Base.repo
替换内容如下:
[base]
name=CentOS-$releasever - Base
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra
baseurl=http://vault.centos.org/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
#released updates
[updates]
name=CentOS-$releasever - Updates
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra
baseurl=http://vault.centos.org/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras&infra=$infra
baseurl=http://vault.centos.org/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus&infra=$infra
baseurl=http://vault.centos.org/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
“修改pgsql用户的默认schema”
ALTER USER <用户> SET search_path to '<schema>';
# 并且需要注意,用户需要有该schema的USAGE权限
GRANT USAGE ON SCHEMA <schema> TO <用户>;
安装tesseract
yum install libstdc++ autoconf automake libtool autoconf-archive pkg-config gcc gcc-c++ make libjpeg-devel libpng-devel libtiff-devel zlib-devel libcurl-devel
wget https://github.com/DanBloomberg/leptonica/releases/download/1.79.0/leptonica-1.79.0.tar.gz
tar -zxvf leptonica-1.74.4.tar.gz
cd leptonica-1.74.4
./autobuild
./configure
make
make install
cd ..
wget https://github.com/tesseract-ocr/tesseract/archive/refs/tags/4.1.3.zip
./autogen.sh
PKG_CONFIG_PATH=/usr/local/lib/pkgconfig LIBLEPT_HEADERSDIR=/usr/local/include ./configure --with-extra-includes=/usr/local/include --with-extra-libraries=/usr/local/lib
LDFLAGS="-L/usr/local/lib" CFLAGS="-I/usr/local/include" make
make install
ldconfig
# 到下面这个仓库下载语言文件到`/usr/local/share/tessdata/`
https://github.com/tesseract-ocr/tessdata
# 测试`tesseract http://path/to/image stdout`
安装pgsql15
sudo yum install https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm
sudo yum install postgresql15-server
sudo /usr/pgsql-15/bin/postgresql-15-setup initdb
sudo systemctl enable postgresql-15
sudo systemctl start postgresql-15
# 修改密码
su postgres
psql
alter user postgres with password 'xxxx';