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【Docker】WARNING: IPv4 forwarding is disabled. Networking will not work. docker创建容器报错：WARNING: IPv4 forwarding is disabled. Networking will not work.问题原因没有开启转发，docker网桥配置完后，需要开启转发，配置/etc/sysctl.conf添加net.ipv4.ip_forward=1修改重启Network、Dockersystemctl restart network && systemctl restart docker或sudo sysctl -p
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2025 Jetbrains （IDE、WebStorm等）激活问题解决（We could not validate your license FV8EM46DQYC5AW9） 找到jetbra目录，config-jetbrains/url.conf 文件，新增以下内容保存即可[URL] PREFIX,https://account.jetbrains.com.cn/lservice/rpc/validateKey.action知了大佬官博：https://zhile.io/2024/09/05/jetbrains-2024-2-region.htmljetbra工具：https://3.jetbra.in/
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Linux换源-Centos,Ubuntu,Rocky 最后执行 - 换源完成后执行更新Centossudo yum clean all sudo yum makecacheUbuntusudo apt-get update sudo apt-get dist-upgrade sudo apt-get upgradeRocky# 清理旧缓存 sudo dnf clean all # 生成新缓存 sudo dnf makecache # 验证配置是否生效（检查仓库地址） sudo dnf repolist换源Centos7目录：/etc/yum.repos.d/CentOS-Base.repo#备份yum原文件 sudo cp /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak #阿里云源 sudo wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo #清华大学源 sudo wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.tuna.tsinghua.edu.cn/repo/Centos-7.repo Centos8 #阿里云源 wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-8.repo #清华大学源 wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.tuna.tsinghua.edu.cn/repo/centos8/CentOS-Base.repo Ubuntu22源目录：/etc/apt/sources.list注意：此为Ubuntu22源#腾讯源 deb http://mirrors.cloud.tencent.com/ubuntu jammy main restricted deb http://mirrors.cloud.tencent.com/ubuntu jammy-updates main restricted deb http://mirrors.cloud.tencent.com/ubuntu jammy universe deb http://mirrors.cloud.tencent.com/ubuntu jammy-updates universe deb http://mirrors.cloud.tencent.com/ubuntu jammy multiverse deb http://mirrors.cloud.tencent.com/ubuntu jammy-updates multiverse deb http://mirrors.cloud.tencent.com/ubuntu jammy-backports main restricted universe multiverse deb http://mirrors.cloud.tencent.com/ubuntu jammy-security main restricted deb http://mirrors.cloud.tencent.com/ubuntu jammy-security universe deb http://mirrors.cloud.tencent.com/ubuntu jammy-security multiverse #阿里源 deb https://mirrors.aliyun.com/ubuntu/ jammy main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ jammy main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ jammy-security main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ jammy-security main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ jammy-updates main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ jammy-updates main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ jammy-backports main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ jammy-backports main restricted universe multiverse Ubuntu24源#清华源 deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ noble main restricted universe multiverse deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ noble-updates main restricted universe multiverse deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ noble-backports main restricted universe multiverse deb http://ports.ubuntu.com/ubuntu-ports/ noble-security main restricted universe multiverse #阿里开源站 deb https://mirrors.aliyun.com/ubuntu/ noble main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ noble main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ noble-security main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ noble-security main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ noble-updates main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ noble-updates main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ noble-backports main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ noble-backports main restricted universe multiverse Rocky换源目前测试了9.2/9.4正常sed -e 's|^mirrorlist=|#mirrorlist=|g' -e 's|^#baseurl=http://dl.rockylinux.org/$contentdir|baseurl=https://mirrors.aliyun.com/rockylinux|g' -i.bak /etc/yum.repos.d/rocky*.repo && dnf makecache
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记一次ibd文件数据库恢复过程 起因之前服务器安装某个程序需要.net8 要修改glibc更改版本，修改后正常使用，不小心更新宝塔后保存 需要glibc_2.33 2.34，安装2.34的时候直接报错，导致内存异常，ssh连不上，重启后无法进入系统，进入救援模式后，拷贝出数据库data目录文件，进行数据恢复frm,MYD,MYI文件这些文件新建一个数据库，把这个三个文件拷贝进去 刷新数据库即可出现表数据,非常简单。frm,IBD文件需要一个Linux服务器，下载dbsake后，用dbsake解析出表结构，新建一个表，后删除表空间引用，拷贝ibd文件再使用import导入即可。下面是具体步骤。下载dbsakecurl -s http://get.dbsake.net > dbsake给dbsake权限chmod u+x dbsake拷贝frm文件到服务器，使用dbsake 将后面的路径以及文件换成你的路径和文件./dbsake frmdump /www/disk1/dbsake/xxx.frm运行结果:[root@ser3VswS91UBrbe dbsake]# ./dbsake frmdump /www/disk1/dbsake/typecho_weixin.frm -- -- Table structure for table `typecho_weixin` -- Created with MySQL Version 5.7.40 -- CREATE TABLE `typecho_weixin` ( `id` int(10) unsigned NOT NULL AUTO_INCREMENT, `openid` varchar(64) DEFAULT NULL, `name` varchar(32) DEFAULT NULL, `mail` varchar(150) DEFAULT NULL, `ban` int(10) unsigned DEFAULT '0', PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;创建上面的表删除空间引用alter table typecho_weixin DISCARD TABLESPACE将ibd文件拷贝到你用来恢复机子数据库的目录，若不知道使用以下命令查询show variables like '%datadir%';复制ibd文件后，导入ibd数据alter table typecho_weixin IMPORT TABLESPACE导入后就可以正常查看了，之后就是导出sql文件去新服务器上执行就行
