linux_4
时间：2021-09-17 14:41:28
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1、自建yum仓库，分别为网络源和本地源
1.1 本地源
tep1 添加光驱并挂载
[root@CentOS7 ~]#mkdir applocation/Centos7 -p
[root@CentOS7 ~]#mount /dev/sr1 /applocation/Centos7
[root@CentOS7 ~]#lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 30G 0 disk
├─sda1 8:1 0 300M 0 part /boot
├─sda2 8:2 0 2G 0 part [SWAP]
└─sda3 8:3 0 27.7G 0 part /
sr0 11:0 1 4.4G 0 rom
sr1 11:1 1 723M 0 rom /applocation/Centos7
#此时，光盘已经挂载到该目录下
[root@CentOS7 ~]#ls /applocation/Centos7
EFI images isolinux LICENSE TRANS.TBL
tep2 打开仓库配置文件
[root@CentOS7 ~]#ls /etc/yum.repos.d/
CentOS-Base.repo CentOS-Debuginfo.repo CentOS-Media.repo CentOS-Vault.repo
CentOS-CR.repo CentOS-fasttrack.repo CentOS-Sources.repo CentOS-x86_64-kernel.repo
[root@CentOS7 ~]#mv *.repo bak;touch base.repo;vim base.repo
[Base]
name=Centos7
baseurl=file://applocation/Centos7
gpgcheck=0
tep3 检查本地仓库状态
[root@CentOS7 ~]##yum repolist
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
* base: www
repo id repo name status
base/7/x86_64 Base 10,072
#此时已完成本地源配置
1.2 网络源
- 修改配置文件
[base]
name=base
baseurl=https://mirrors.cloud.tencent.com/centos/7/os/x86_64/
https://mirrors.tuna.tsinghua.edu.cn/centos/7/os/x86_64/
https://repo.huaweicloud.com/centos/7/os/x86_64/
gpgcheck=0
[epel]
name=epel
baseurl=https://mirrors.cloud.tencent.com/epel/7/x86_64/
https://mirrors.huaweicloud.com/epel/7/x86_64/
https://mirrors.tuna.tsinghua.edu.cn/epel/7/x86_64/
gpgcheck=1
gpgkey=https://mirrors.cloud.tencent.com/epel/RPM-GPG-KEY-EPEL-7
https://mirrors.huaweicloud.com/epel/RPM-GPG-KEY-EPEL-7
https://mirrors.tuna.tsinghua.edu.cn/epel/RPM-GPG-KEY-EPEL-7
enabled=1
[extras]
name=extras
baseurl=https://mirrors.cloud.tencent.com/centos/7/extras/x86_64/
https://mirrors.huaweicloud.com/centos/7/extras/x86_64/
https://mirrors.tuna.tsinghua.edu.cn/centos/7/extras/x86_64/
gpgcheck=1
gpgkey=https://repo.huaweicloud.com/centos/RPM-GPG-KEY-CentOS-7
enabled=1
- 检查结果
[root@CentOS7 ~]#yum repolist
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: repo.huaweicloud.com
* epel: mirrors.cloud.tencent.com
* extras: mirrors.cloud.tencent.com
repo id repo name status
base base 10,072
epel epel 13,665
extras extras 500
repolist: 24,237
2、编译安装http2.4，实现可以正常访问，并将编译步骤和结果提交。
- 安装相关依赖包
[root@centos7 ~]yum -y install gcc make
- 下载http2.4包，并解压
[root@centos7 ~]#tar xvf httpd-2.4.48.tar.gz
- 进入解压后的文件夹，运行configure文件
[root@10 httpd-2.4.49]yum -y install apr-devel APR-util-devel pcre-devel openssl-devel #安装好相关依赖包
[root@10 httpd-2.4.49]./configure --prefix=/apps/httpd24 --sysconfdir=/etc/httpd24/ --enable-ssl
- 执行make 和make install
[root@10 httpd-2.4.49]make
[root@10 httpd-2.4.49]make install
- 修改PATH变量
[root@10 httpd-2.4.49]cho ‘PATH=/apps/httpd24/bin:$PATH‘ > /etc/profile.d/httpd24.sh
[root@10 httpd-2.4.49]#. /etc/profile.d/httpd24.sh
- 运行并检查结果
[root@10 httpd-2.4.49]#apachectl start
[root@10 httpd-2.4.49]#ps aux
apache 21584 0.0 0.1 228312 2972 ? S 21:30 0:00 httpd
apache 21585 0.0 0.1 228312 2972 ? S 21:30 0:00 httpd
apache 21586 0.0 0.1 228312 2972 ? S 21:30 0:00 httpd
apache 21587 0.0 0.1 228312 2972 ? S 21:30 0:00 httpd
apache 21588 0.0 0.1 228312 2972 ? S 21:30 0:00 httpd
apache 21589 0.0 0.1 228312 2972 ? S 21:30 0:00 httpd
3、利用sed 取出ifconfig命令中本机的IPv4地址
[root@CentOS7 ~]#ifconfig |sed -nr ‘2s@inet +(.*) +n.*@\1@p‘
4、删除/etc/fstab文件中所有以#开头，后面至少跟一个空白字符的行的行首的#和空白字符
[root@CentOS7 ~]#sed -r ‘s/^# +//p‘ /etc/fstab
[root@CentOS7 ~]#sed -r ‘s/^#[[:space:]]+//p‘ /etc/fstab
5、处理/etc/fstab路径,使用sed命令取出其目录名和基名
#取目录名
[root@CentOS7 ~]#echo /etc/fstab |sed -r ‘s/(^\/etc\/)fstab/\1/p‘
[root@CentOS7 ~]##echo /etc/fstab |grep "\/.*$"
#取基名
[root@CentOS7 ~]#echo /etc/fstab |sed -nr ‘s/^\/etc\/(fstab)/\1/p‘
[root@CentOS7 ~]#echo /etc/fstab |egrep -o ‘[^/]+$‘
6、列出ubuntu软件管理工具apt的一些用法(自由总结)
- 安装软件包
[root@CentOS7 ~]#apt install tree
- 删除软件包
[root@CentOS7 ~]# apt remove tree
- 列出仓库软件包
[root@CentOS7 ~]# apt list
- 搜索软件包
[root@CentOS7 ~]# apt search nginx
- 查看某个软件包的详细信息
[root@CentOS7 ~]# apt show nginx
- 更新包索引
[root@CentOS7 ~]# apt update
原文：https://www.cnblogs.com/hzgy/p/15248365.html
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