connection connect refused failed
linux登陆防护fail2ban的优化配置
fail2ban 默认在iptables 防火墙filter表的input 链内设置规则,这样导致端口映射,和nat转发的流量不在fail2ban控制内。 如果修改配置文件/etc/fail2ban/action.d# vi iptables-common.conf 把INPUT链修改成FORWAR ......
JSch连接SSH问题Exception:Algorithm negotiation fail
Java连接RPA系统,由于特殊原因不能使用接口,决定用openssh连接,定时读取与推送。 注意点: 1、C:\ProgramData\ssh\sshd_config 配置 2、ssh-keygen -t rsa生成秘钥方式 3、生成之后追加到authorized_keys编码格式 utf-8 4 ......
异常Couldn’t connect to host, port: smtp.qq.com, 25
com.sun.mail.util.MailConnectException: Couldn’t connect to host, port: smtp.qq.com, 25; timeout -1阿里云处于安全考虑,TCP 25 端口默认被封禁。可以向阿里云申请解封,也可以改为ssl加密465端口 ......
libtorch+cuda12编译失败,Failed to find nvToolsExt
参考链接:Failed to find nvToolsExt - C++ - PyTorch Forums 即在安装了cuda12后再下载cuda11的安装包,并且只选择如图组件。 ......
Centos7 报No suitable device found for this connection错误,无法启动网卡
# 先备份网卡配置文件 [root@xiaojing ~]# cd /etc/sysconfig/network-scripts/ [root@xiaojing network-scripts]# cp ifcfg-ens33 ifcfg-ens33.bak #生成新的UUID,并追加到网卡配置文件 ......
【Git 教程系列第 27 篇】ssh: connect to host github.com port 22: Connection refused 的解决方案
https://blog.csdn.net/qq_42351033/article/details/131612279 ssh: connect to host github.com port 22: Connection timed out fatal: Could not read from r ......
vue3路由转发报错Failed to resolve component: router-link
//在学习vue3路由转发的时候,总是报路由的一些方法无法识别,undefined 报错: // App.vue:9 [Vue warn]: Failed to resolve component: router-link // vue路由跳转报错Cannot read properties of ......
Failed to connect to raw.githubusercontent.com:443
在安装brew的时候根据https://brew.sh/ 上的提示在终端上键入 /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)" 然后提示 curl: (7) ......
docker compose failed to solve with frontend dockerfile.v0: failed to create LLB definition: unexpected status code [manifests 18.04]: 403 Forbidden
使用docker build命令构建镜像报: “failed to solve with frontend dockerfile.v0: failed to create LLB definition: unexpected status code [manifests 18.04]: 403 Fo ......
.Net 5.0 程序在 Linux 环境访问 SqlServer 2008R2 莫名报错:Connection reset by peer
同样的代码,在 Windows 上运行的好好的,拿到 CentOS 7 上运行就出现报错 Connection reset by peer 的处理方法。 ......
Failed to load plugin '@typescript-eslint' declared in '.eslintrc.cjs
项目配置依赖: vue3.3.4 + vite4.4.11 + eslint8.46.0 报错信息 Failed to load plugin '@typescript-eslint' declared in '.eslintrc.cjs » @vue/eslint-config-typescrip ......
采坑-阿里云 kex_exchange_identification: read: Connection reset by peer
自己买了台阿里的测试服务器,打开终端,输入命令 ssh root@xxx 等待输入密码。 **报错:kex_exchange_identification: read: Connection reset by peer****** 昨天刚用的,今天咋回事,然后试了试公司的服务器是可以的。然后就开始百 ......
【zabbix】configure: error: Unable to use libevent (libevent check failed)解决方案
安装zabbix,在zabbix目录下执行编译命令时报错configure: error: Unable to use libevent (libevent check failed),如图: 说明:新服务器,一般依赖不足,需要视情况安装依赖,问题解决。 解决方案: yum install libe ......
nginx报错 [error] 612#4188: CreateFile() "C:\yjzx\nginx-1.24.0/logs/nginx.pid" failed (2: The system cannot find the file specified)
背景 无论是nginx -s stop还是nginx -s reload命令,都会出现这个错误。 [error] 612#4188: CreateFile() "C:\yjzx\nginx-1.24.0/logs/nginx.pid" failed (2: The system cannot fin ......
PHP file_get_contents(): SSL operation failed with code 1. OpenSSL Error message...
在调试php脚本代码时,发现使用 file_get_contents() 函数请求HTTPS的网址链接时出现了报错,其报错代码如下面所示“file_get_contents(): SSL operation failed with code 1. OpenSSL Error message...”百 ......
mysql docker容器中导入数据库失败 Failed to open file ‘‘****.sql‘‘, error: 2
mysql docker 容器中导入数据库失败【Failed to open file ‘’****.sql’’, error: 2】使用浑身解数docker exec -it xxxxxxxxx sh 进入mysql容器。mysql -uroot -pxxxx 登陆use database; 切换 ......
容器报错 Error response from daemon: driver failed programming external connectivity on endpoint
在启动容器时的容器时,会出现报错:Error response from daemon: driver failed programming external connectivity on endpoint XXX(端口映射或启动容器时报错) 如下: 原因:在我们启动了Docker后,我们再对防火 ......
问题记录 <VSCode Copilot 连接问题:Extension activation failed: "getaddrinfo EAI_AGAIN api.github.com"
问题描述 VSCode 使用Copilot时遇到如下问题: Extension activation failed: "getaddrinfo EAI_AGAIN api.github.com" 解决方式 笔者尝试了修改hosts、代理、重装插件等方法,但没有起效。 下面的方法解决了问题(在VSCo ......
bsc的dummyId, 在非0的情况下,如果出现重复,bscscan会报fail
bsc的dummyId, 在非0的情况下,如果出现重复,bscscan会报fail: 主要代码是这样: func main() { serverAddress, contractAddress, ownerPublicKey, ownerPrivateKey := GetConfig() fmt.P ......
Jenkins问题记录:Git SSH方式访问,报错:Host key verification failed. (Windows)
问题:在本地windows机器上安装了jenkins,并且设置好Git SSH凭据,在git bash命令行窗口可以使用git pull命令,但是在jenkins 中执行git pull就会报错。 报错信息: Host key verification failed. fatal: Could no ......
本地起服务报错Logging system failed to initialize using configuration from 'file:config/log4j2.xml'
问题现象: 本地起服务报错Logging system failed to initialize using configuration from 'file:config/log4j2.xml' 解决方法: 1、检查一下依赖 <dependency> <groupId>org.springfram ......
Solution to OpenSSL Connection Problems With Github
Problems Uploading Files with Git Sometimes we can use git tool to successfully upload projects to Github, but in other time especially after a period ......
Docker_报错:Host key for 47.116.79.175 has changed and you have requested strict checking. Host key verification failed.
Host key for 47.116.79.175 has changed and you have requested strict checking. Host key verification failed. 问题原因用OpenSSH的人都知ssh会把你每个你访问过计算机的公钥(public ......
centos7.9重启网卡提示Failed to start LSB: Bring up/down networking.
前几天给一台机器状态centos7.9系统,设备有2个网口,今天重启网卡一直失败, 查看network状态,怀疑是eth0网卡有问题 查看eth0的网卡配置,发现是eth0网卡的BOOTPROTO=dhcp,且ONBOOT=yes,但eth0网口没插网线,这导致重启网卡时,一直重启eth0,但是没插 ......
在CentOS7上更改端口号时报错:Job for sshd.service failed because the control process exited with error
1、问题描述 在在CentOS7×上更改端口号时报错: “Job for sshd.service failed because the control process exited with error code.See ‘systemcl status& sshd service" and fo ......
CF1889B. Doremy's Connecting Plan
一开始不会先跳 C 了!差点满盘皆输! 设 \(i<j\),则 \(i,j\) 合并可以看作 \(a_i\leftarrow a_i+a_j\) 后删掉 \(j\)!此时和初始局面本质相同!所以不妨先只看初始局面! 不等式右侧和下标有关!显然若右侧 \(i,j\) 中只要有一个是 \(1\),就会让 ......
D. Doremy's Connecting Plan
D. Doremy's Connecting Plan Doremy lives in a country consisting of $n$ cities numbered from $1$ to $n$, with $a_i$ people living in the $i$-th city. ......
python 安装包时 ERROR: Failed building wheel for webrtcvad
报错信息: error: subprocess-exited-with-error × Building wheel for webrtcvad (pyproject.toml) did not run successfully. │ exit code: 1 ╰─> [9 lines of out ......
CF1890D Doremy's Connecting Plan
Problem - 1890D - Codeforces 这个式子左边是加法,右边是乘法,很不好算 但其实是降智题,不过同时也是我不擅长的找性质 因为式子左边是加法而不是乘法,因此像类似于并查集那样求出当前每个联通块内 \(\sum a_i\) 等价于固定一个点从这个点的联通块向外扩展。 \(i\) ......