docs(Linux): 修正文档中的格式和空格问题
修复文档中多余的空格和格式不一致问题，保持文档整洁统一
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@ -52,7 +52,7 @@ cd /
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# 跳转root目录
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cd ~
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# 跳转至主目录（后面跟个空格就行）
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cd
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cd
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```
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### 复制粘贴：
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@ -173,8 +173,8 @@ netstat -lnp | grep 8080
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### 获取路径：
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```shell
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readlink -f sample.txt /home/gliu/sample.txt
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realpath -s sample.txt /home/gliu/sample.txt
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readlink -f sample.txt /home/gliu/sample.txt
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realpath -s sample.txt /home/gliu/sample.txt
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find $(pwd) -name sample.txt /home/gliu/sample.txt
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ls -l $PWD/sample.txt
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```
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@ -183,7 +183,7 @@ ls -l $PWD/sample.txt
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```shell
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# 列出当前目录下所有文件的大小，以及所有文件大小的统计总和
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ls -lht
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ls -lht
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```
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@ -432,10 +432,10 @@ vim /etc/sudoers
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> ps:这里说下你可以sudoers添加下面四行中任意一条
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>
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> ```
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> youuser ALL=(ALL) ALL
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> %youuser ALL=(ALL) ALL
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> youuser ALL=(ALL) NOPASSWD: ALL
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> %youuser ALL=(ALL) NOPASSWD: ALL
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> youuser ALL=(ALL) ALL
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> %youuser ALL=(ALL) ALL
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> youuser ALL=(ALL) NOPASSWD: ALL
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> %youuser ALL=(ALL) NOPASSWD: ALL
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> ```
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> 第一行:允许用户youuser执行sudo命令(需要输入密码).
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> 第二行:允许用户组youuser里面的用户执行sudo命令(需要输入密码).
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@ -723,32 +723,32 @@ flush privileges;
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```
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设置表名不区分大小写
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```shell
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vim /etc/my.cnf.d/mysql-server.cnf
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# 在 [mysqld] 中添加
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lower_case_table_names=1
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```
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初始化后查询是否生效
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```mysql
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show global variables like '%lower_case%';
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# lower_case_table_names 为 1
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```
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启动 MySQL 服务并通过运行以下命令使其在启动时自动启动:
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```shell
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sudo systemctl status mysqld
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sudo systemctl enable --now mysqld
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```
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确认安装并检查已安装的 MySQL 构建版本：
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```shell
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mysql --version
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```
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3. 在 AlmaLinux 9 上保护 MySQL。
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默认情况下，MySQL 未加固。 您可以使用 `mysql_secure_installation` 脚本。 您应该仔细阅读以下每个步骤，这些步骤将设置 root 密码、删除匿名用户、禁止远程 root 登录、删除测试数据库和访问安全 MySQL：
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@ -1272,7 +1272,7 @@ t
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# 输入 w 命令 代表改动由内存写入到硬盘中
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```
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手动挂载硬盘
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手动挂载硬盘
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```shell
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mkdir /sdb
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@ -1340,7 +1340,7 @@ systemctl daemon-reload
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确认当前文件系统类型
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```shell
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df -Th | grep /dev/sdb1
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df -Th | grep /dev/sdb1
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/dev/sdb1 ext3 2.2T 60G 2.0T 3% /sdb
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```
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@ -1354,7 +1354,7 @@ umount /dev/sdb1
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```shell
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e2fsck -f /dev/sdb1
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e2fsck 1.46.5 (30-Dec-2021)
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第 1 步：检查inode、块和大小
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第 2 步：检查目录结构
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@ -1613,7 +1613,7 @@ swappiness的值的大小对如何使用swap分区是有着很大的联系的。
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查看swappiness
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```shell
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cat /proc/sys/vm/swappiness
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cat /proc/sys/vm/swappiness
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```
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修改swappiness值为60
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@ -1625,7 +1625,7 @@ sysctl vm.swappiness=60
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但是这只是临时性的修改，还要做一步
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```shell
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vim /etc/sysctl.conf
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vim /etc/sysctl.conf
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# 编辑这行
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vm.swappiness=60
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# 应用更改
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@ -1667,7 +1667,7 @@ yum install -y https://www.elrepo.org/elrepo-release-7.el7.elrepo.noarch.rpm
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```shell
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yum --enablerepo=elrepo-kernel install kernel-ml -y &&
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sed -i s/saved/0/g /etc/default/grub &&
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grub2-mkconfig -o /boot/grub2/grub.cfg
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grub2-mkconfig -o /boot/grub2/grub.cfg
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```
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重启
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@ -2568,7 +2568,7 @@ sudo dnf install p7zip p7zip-plugins
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## 安装 Nginx
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```shell
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tar -zxvf nginx-1.21.4.tar.gz
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tar -zxvf nginx-1.21.4.tar.gz
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cd nginx-1.21.4/
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./configure
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make
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@ -2907,28 +2907,28 @@ dnf install -y zsh
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### 脚本安装
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| **Method** | **Command** |
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| ------------------------------------------------ | ------------------------------------------------------------ |
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| **curl** | `sh -c "$(curl -fsSL https://install.ohmyz.sh/)"` |
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| **wget** | `sh -c "$(wget -O- https://install.ohmyz.sh/)"` |
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| **fetch** | `sh -c "$(fetch -o - https://install.ohmyz.sh/)"` |
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| **Method** | **Command** |
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| ------------------------------------------------ | ------------------------------------------------------------------------------------ |
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| **curl** | `sh -c "$(curl -fsSL https://install.ohmyz.sh/)"` |
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| **wget** | `sh -c "$(wget -O- https://install.ohmyz.sh/)"` |
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| **fetch** | `sh -c "$(fetch -o - https://install.ohmyz.sh/)"` |
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| 国内curl[镜像](https://gitee.com/pocmon/ohmyzsh) | `sh -c "$(curl -fsSL https://gitee.com/pocmon/ohmyzsh/raw/master/tools/install.sh)"` |
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| 国内wget[镜像](https://gitee.com/pocmon/ohmyzsh) | `sh -c "$(wget -O- https://gitee.com/pocmon/ohmyzsh/raw/master/tools/install.sh)"` |
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| 国内wget[镜像](https://gitee.com/pocmon/ohmyzsh) | `sh -c "$(wget -O- https://gitee.com/pocmon/ohmyzsh/raw/master/tools/install.sh)"` |
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注意：同意使用 Oh-my-zsh 的配置模板覆盖已有的 `.zshrc`。
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### 从`.bashrc`中迁移配置（可选）
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如果之前在使用`bash`时自定义了一些环境变量、别名等，那么在切换到`zsh`后，你需要手动迁移这些自定义配置。
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```shell
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# 查看bash配置文件，并手动复制自定义配置
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cat ~/.bashrc
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# 编辑zsh配置文件，并粘贴自定义配置
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vim ~/.zshrc
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# 启动新的zsh配置
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# 查看bash配置文件，并手动复制自定义配置
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cat ~/.bashrc
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# 编辑zsh配置文件，并粘贴自定义配置
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vim ~/.zshrc
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# 启动新的zsh配置
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source ~/.zshrc
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```
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@ -3163,7 +3163,7 @@ vim install.sh
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## 安装 ElasticSearch
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```shell
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cd /etc/yum.repos.d
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cd /etc/yum.repos.d
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vim elasticsearch.repo
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[elasticsearch]
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