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file /usr/lib64/erlang/bin/epmd from install of erlang-23.3.4.11-1.el7.x86_64 conflicts with file from package erlang-erts-R16B-03.18.el7.x86_64

解决安装VMware Tools灰色问题

安装pm2，解决npm WARN deprecated uuid@3.4.0: Please upgrade to version 7 or higher

systemctl的服务存贮目录

centos安装supervisor并配置，设置开机启动

centos7/8/9怎么修改主机名，centos9修改名称

解决perl: warning: Please check that your locale settings

解决nginx报sendfile() failed (22: Invalid argument)访问图片css js net::ERR_CONTENT_LENGTH_MISMATCH 200 (OK)

解决yum安装dkms报错No match for argument: dkms Error: Unable to find a match: dkms

怎么在外头使用容器里php命令

查看当前目录下以.jpg|.png|.jpeg|.jpe为后缀文件的个数

问题The HOME or COMPOSER_HOME environment variable must be set for composer torun correctly解决只需要在composer update前面加上export COMPOSER_HOME=/root && composer update

php使用ffmpeg获取视频第一帧为缩略图环境centos7安装ffmpeg项目安装ffmpeg包php代码环境centos 7ffmpeg version 2.8.15 Copyrightcentos7安装ffmpegcentos7安装ffmpegsudo rpm --import http://li.nux.ro/download/nux/RPM-GPG-KEY-nux.rosudo rpm -Uvh http://li.nux.ro/download/nux/dextop/el7/x8

本地配置https，openssl生成ssl证书openssl生成ssl证书nginx配置httpsopenssl生成ssl证书x509证书一般会用到三类文，key，csr，crt。Key 是私用密钥，通常是rsa算法。Csr 是证书请求文件，用于申请证书。在制作csr文件的时，必须使用自己的私钥来签署申，还可以设定一个密钥。crt是CA认证后的证书文，（windows下面的，其实是crt），签署人用自己的key给你签署的凭证。key的生成openssl genrsa -des3 -out s

问题php start.php start客服系统配置https，websocket启动报如下错误：SSL handshake error: stream_socket_enable_crypto(): SSL operation failed with code 1. OpenSSL Error messages:error:1407609C:SSL routines:SSL23_GET_CLIENT_HELLO:http request 解决办法其实是nginx 配置问题proxy_pa

环境contos 7Composer version 2.1.14问题bash-4.2$ composer installInstalling dependencies from lock file (including require-dev)Verifying lock file contents can be installed on current platform.Your lock file does not contain a compatible set of packages

使用环境centos 7supervisor 3.4.0原因使用过程中可能是因为机器宕机，导致supervisor没有正常关掉，导致/var/run目录下supervisor.sock文件被删除，找不到所以失败报错unix:///var/run/supervisor/supervisor.sock no such file解决创建supervisor.socksudo touch /var/run/supervisor.socksudo chmod 777 /var/run/supervis

解决Fatal error: Uncaught Error: Class 'Imagick' not found

nginx反向代理拦截404 500 502 503问题Nginx拦截所有404，并指向对应的界面问题Nginx拦截不到反向代理404的问题Nginx拦截所有404，并指向对应的界面server { listen 80; server_name minio.api.com; fastcgi_intercept_errors on; # 单独配置此项无效 proxy_intercept_errors on; loca

linux命令行调试php代码片段php -rphp -r 'echo "gsj";'

问题：SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known解决办法1、关闭防火墙2、查看访问的连接，是不是没有配置到/etc/hosts

环境centos 7mysql 5.7问题远征可连接，本地访问mysql显示 ：ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)解决办法grant all privileges on . to “root”@“192.168.10.224” identified by “123456” with grant option;其中ip为本地ipflush privileges;

环境 centos 7解决办法 yum -y install re2c

centos7安装gmp库下载查看是否成功安装Clion里CMakeLists.txt添加库文件下载gmp下载https://gmplib.org/https://gmplib.org/download/gmp/gmp-6.2.1.tar.lz解压lzip -dv gmp-6.2.1.tar.lztar -xvf gmp-6.2.1.tar安装cd ~/gmp./configuremakemake checkmake install查看是否成功安装检查这两个目录下是否有gmp

docker安装php8.0拉取镜像拉取镜像[root@centos7 /]# docker pull php:8.0-fpm8.0-fpm: Pulling from library/php75646c2fb410: Pull complete 854fb08fe050: Pull complete d099f6707d86: Pull complete 038e5b090752: Pull complete f72db17ce464: Pull complete 202aede97d3

[root@centos7 /]# hostnamectl --static set-hostname centos7　　//修改主机名为centos7[root@centos7 /]# hostnamectl status Static hostname: centos7 Icon name: computer-vm Chassis: vm Machine ID: 3649a0658c054d919c6d930008a87d46

解决安装Error! The command "tesseract" was not found.环境问题解决办法环境系统：centos 7.9语言：php问题[0] TesseractNotFoundException in FriendlyErrors.php line 40Error! The command “tesseract” was not found.Make sure you have Tesseract OCR installed on your system:https

centos7.9安装nodejs安装依赖yum install gcc gcc-c++下载node.jshttps://nodejs.org/dist/wget https://nodejs.org/dist/v15.9.0/node-v15.9.0-linux-x64.tar.gztar zxvf node-v15.9.0-linux-x64.tar.gzmv node-v15.9.0-linux-x64 /usr/local/webservice/nodejscd /usr/local

环境centos 7.9安装nodejs安装依赖yum install gcc gcc-c++下载node.jshttps://nodejs.org/dist/wget https://nodejs.org/dist/v15.9.0/node-v15.9.0-linux-x64.tar.gztar zxvf node-v15.9.0-linux-x64.tar.gzmv node-v15.9.0-linux-x64 /usr/local/webservice/nodejscd /usr/

解决Job for nginx.service failed because the control process exited with error code问题解决方法nginx配置文件有错误检查端口是否被占用问题systemctl restart nginx.service重启提示：Job for nginx.service failed because the control process exited with error code. See “systemctl status ngi

centos7安装composer安装composer检查是否安装成功安装composer下载composer.phar文件curl -sS https://getcomposer.org/installer | phpmv composer.phar /usr/local/bin/composer赋予权限chmod a+x /usr/local/bin/composer检查是否安装成功composer --version问题1：Do not run Composer as root/s

docker安装mysql5.7拉起MySQL镜像(:5.7 表示5.7版本)运行MySQL容器拉起MySQL镜像(:5.7 表示5.7版本)docker pull mysql:5.7运行MySQL容器docker run -d -p 3306:3306 --privileged=true -e MYSQL_ROOT_PASSWORD=123456 --name mysql mysql:5.7 --character-set-server=utf8mb4 --collation-server=ut

vmware虚拟机安装VMware Tools，vmware共享文件夹位置vmware虚拟机安装VMware ToolsVMware默认的共享路径是在/mnt/hgfsvmware虚拟机安装VMware Tools安装依赖包yum -y updateyum -y install net-tools perl gcc gcc-c++ kernel-headers kernel-devel更新完成后，重启服务器reboot在虚拟机界面点击虚拟机(M)->安装 VMware Toolsmk

CentOS7修改系统显示语言: 中文为英文su -切换为root权限用户修改配置文件重启CentOS系统su -切换为root权限用户修改配置文件vim /etc/locale.conf将LANG="zh_CN.UTF-8"修改为：LANG="en_US.UTF-8"重启CentOS系统...

centos 7 编译安装mysql5.7下载mysql5.7检查库文件是否存在，如有删除。添加mysql组和用户解压及安装初始化密码下载mysql5.7查看版本http://mysql.mirror.kangaroot.net/Downloadsuname -a 查看linux是32位还64位，下载相应版本通用安装方法的TAR包wget http://mysql.mirror.kang...

加速访问github方法查询TTL值越大的ip添加到hosts里查询TTL值越大的ip登录http://tool.chinaz.com/dns/查询以下域名映射,并分别取访问速度较快的一个ipgithub.global.ssl.fastly.net -> 66.249.89.104assets-cdn.github.com -> 203.208.39.99TTL值越大证明响应速度越快（“TTL”的值越大越好才对，因为“TTL”的值越大，说明发送数

centos7安装VMware Toolscentos安装依赖包在虚拟机界面点击centos安装VMwareToolsvmware设置共享文件夹centos安装依赖包安装依赖包yum -y updateyum -y install net-tools perl gcc gcc-c++ kernel-headers kernel-devel更新完成后，重启服务器reboot在虚拟机界面点击虚拟机(M)->安装 VMware Toolscentos安装VMwareToolsmkdi

linux查看文件中间几行命令cat filename | tail -n +10 | head -n 5显示第10行到15行的数据

centos7.6安装php7.3下载软件安装PHP扩展依赖添加组和添加用户编译安装配置php.ini文件配置Systemd服务设置php-fpm端口下载软件php各个版本下载: https://www.php.net/releases/wget https://www.php.net/distributions/php-7.3.6.tar.gztar zxvf php-7.3.6.tar...

Content-Length mismatch, received 50137 bytes out of the expected 298347问题解决方法问题下载composer包报错composer require 包[Composer\Downloader\TransportException]Content-Length mismatch, received 50137 byte...