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RSS订阅原创 NGINX 限制请求速度
以下限制每分20次请求，即每3秒一次请求会被受理，超过3秒一次将被拒绝或延迟http {limit_req_zone $binary_remote_addr zone=one:10m rate=20r/m;server { location /search/ { limit_req zone=one burst=5 delay=3; }}}...
2021-05-08 16:32:18
351
原创 NGINX 负载均衡与反向代理
nginx接受请求并将请求负载均衡给后端服务器轮询upstream backend {server backend1.example.com;server backend2.example.com;}location / {proxy_pass http://backend;}最少连接upstream backend {least_conn;server backend1.example.com;server backend2.example.com;}location / {
2021-05-08 16:24:11
214
原创 NGINX YUM 源安装
此文章使用阿里云源下载，希望有所帮助wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repoyum -y install nginx-1.16.1
2021-05-08 15:42:11
274
原创 NGINX 源代码安装 SH
#!/bin/bash#作者 ligang mail=1363****@qq.comecho “请确保连网环境下运行此脚本:产生的文件在/home/下，如安装失败可以进入查看原因”echo “推荐使用安装方式：sh nginx_指定源安装.sh http://nginx.org/download/nginx-1.18.0.tar.gz &”echo “正在安装依赖环境”&&yum -y install make zlib zlib-devel gcc-c++ libtool
2021-05-08 15:30:19
167
原创 python错误AttributeError: ‘str‘ object has no attribute ‘titile‘
问题print (A.titile())Traceback (most recent call last):File “”, line 1, in AttributeError: ‘str’ object has no attribute ‘titile’答案执行命令错误！检查执行命令是否错误!(A.title())
2020-10-12 10:56:59
951
原创 python错误NameError: name ‘B‘ is not defined
问题print (B)Traceback (most recent call last):File “”, line 1, in NameError: name ‘B’ is not defined答案变量错误！请查看变量名是否正确
2020-10-12 10:53:36
3808
原创 zabbix中文乱码解决
以下仅限yum安装方式可行！其余同理！找到对应文件即可！01在windows中C:\Windows\Fonts #目录下选择需要的字体02发送到linux系统下/usr/share/zabbix/assets/fonts03添加执行权限chmod +rwx *04将拉进去的字体文件改名mv msyhbd.ttc msyhbd.ttf05修改文件vim /usr/share/zabbix/include/defines.inc.phpdefine(‘ZBX_GRAPH_FONT_N
2020-09-22 11:49:51
120
原创 当前主机是否是虚拟机
查看出来包含Virtual字段的则是虚拟机，没有则不是虚拟机windons查看Systeminfo | findstr /i “System Model”linux查看自己是否是虚拟机dmidecode -s system-product-namedmesg | grep -i virtuallshw -class system |grep Virtual...
2020-09-01 18:16:20
113
原创 nginx+tomcat配置反向代理
问题tomcat配置反向代理服务器答案vim /etc/nginx/nginx.confhttpd配置项下加入upstream tomcat.test { #tomcat.test为任意字符server 192.168.99.101:8080 weight=1;server 192.168.99.102:8080 weight=1;}server配置项下加入location / {proxy_pass http://tomcat.test;}...
2020-08-13 19:17:04
185
原创 启动tomcat时报错
问题Neither the JAVA_HOME nor the JRE_HOME environment variable is definedAt least one of these environment variable is needed to run this program答案yum -y install java再启动
2020-08-13 19:08:31
178
原创 yum 下载 nginx 没有可用软件包 nginx。
问题没有可用软件包 nginx。答案wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
2020-08-13 19:01:50
447
原创 -bash: ifconfig: 未找到命令
问题-bash: ifconfig: 未找到命令原因最小化安装没有开发环境需要装各种基础软件答案yum install -y net-tools
2020-08-12 16:31:17
273
原创 关于YUM无法下载nginx
问题[root@localhost ~]# yum -y install nginx已加载插件：fastestmirror, langpacksLoading mirror speeds from cached hostfilebase: mirrors.aliyun.comextras: mirrors.aliyun.comupdates: mirrors.aliyun.com没有可用软件包 nginx。错误：无须任何处理原因缺少下载源答案wget -O /etc/yum.rep
2020-08-12 08:00:22
362
1
原创 关于NFS永久挂载方法
问题永久挂载NFS共享文件系统答案vim /etc/fstab添加以下IP地址需改192.168.99.101:/NFS/httpd1 /var/www/html nfs defaults,_netdev 0 0
2020-08-10 16:58:50
3252
原创 关于挂载NFS共享文件出错
问题mount: 文件系统类型错误、选项错误、192.168.88.110:/NFS/httpd2 上有坏超级块、缺少代码页或助手程序，或其他错误(对某些文件系统(如 nfs、cifs) 您可能需要一款 /sbin/mount.<类型> 助手程序)答案yum -y install nfs-utils...
2020-08-09 16:18:25
486
原创 mount.nfs: mount point /var/www/html does not exist
问题mount.nfs: mount point /var/www/html does not exist找不到目录答案mkdir -p /var/www/html或yum -y install httpd
2020-08-09 09:55:47
3895
原创 创建:程序未注册 clnt_create: RPC: Program not registered
问题NFS:clnt_create: RPC: Program not registered答案systemctl start nfs rpcbind
2020-08-08 16:21:04
797
1
原创 [错误]无法解析插件org . Apache . maven . plugins:maven-surefire-Plugin:2 . 21 . 0或其依赖项之一:无法读取组织的工件描述符拒绝连接(连接
问题[ERROR] Plugin org.apache.maven.plugins:maven-surefire-plugin:2.21.0 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-surefire-plugin:jar:2.21.0: Could not transfer artifact org.apac
2020-08-06 16:02:35
3487
原创 [错误]未知的生命周期阶段“打包”。
问题[ERROR] Unknown lifecycle phase “packge”. You must specify a valid lifecycle phase or a goal in the format : or :[:]:. Available lifecycle phases are: validate, initialize, generate-sources, process-sources, generate-resources, process-resources, compil
2020-08-06 15:50:08
697
原创 maven打包找不到文件
问题[root@localhost ROOT]# mvn干净包-Dmaven.skip.testDmaven.skip.test[INFO] Scanning for projects…[INFO] ------------------------------------------------------------------------[INFO] BUILD FAILURE[INFO] ---------------------------------------------------
2020-08-06 10:26:24
494
原创 TOMCAT访问的时候为啥必须要加8080才能访问？
问题TOMCAT访问的时候为啥必须要加8080端口才能访问？答案vim /usr/local/tomcat/conf/server.xml改为
2020-08-05 19:48:52
676
原创 既没有定义JAVA_HOME，也没有定义JRE_HOME环境变量 运行该程序至少需要这些环境变量中一个
问题Neither the JAVA_HOME nor the JRE_HOME environment variable is definedAt least one of these environment variable is needed to run this program答案yum -y install java
2020-08-05 18:27:52
2159
原创 超文本传输协议状态404–未找到
问题 tomcat：HTTP Status 404 – Not FoundHTTP Status 404 – Not Found═════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════Type Status ReportMessage /Description The origin server
2020-08-05 13:07:27
284
原创 卷曲:(52)来自服务器的空回复
问题curl: (52) Empty reply from server答案vim /usr/local/tomcat/conf/server.xml<?xml version="1.0" encoding="UTF-8"?>改为<?xml version="1.1" encoding="UTF-8"?>
2020-08-05 11:15:44
208
原创 配置:错误:找不到xml2-config。请检查您的libxml2安装。
问题checking for xml2-config path…configure: error: xml2-config not found. Please check your libxml2 installation.答案yum -y install libxml2-devel
2020-08-03 08:22:49
1019
原创 如果配置失败，请尝试使用-vpx-dir=＜DIR ＞ 如果配置失败，请尝试使用-jpeg-dir=＜DIR ＞ 配置:错误:找不到png.h。
问题If configure fails try --with-vpx-dir=If configure fails try --with-jpeg-dir=configure: error: png.h not found.答案yum -y install libpng libpng-devel pcre pcre-devel libjepeg-devel
2020-08-03 08:22:38
362
原创 -bash: php-fpm: 未找到命令
问题-bash: php-fpm: 未找到命令答案ln -s /usr/local/php5/bin/* /usr/local/binln -s /usr/local/php5/sbin/* /usr/local/sbin
2020-08-03 08:22:20
2424
原创 engine:[emer]getpwnam(“ engine x “)失败
问题nginx: [emerg] getpwnam(“nginx”) failed答案useradd -M -s /sbin/nologin nginxchown nginx:nginx /usr/local/nginxnginx
2020-08-03 08:21:33
105
原创 mysql -bash: mysqladmin: 未找到命令
问题-bash: mysqladmin: 未找到命令答案ln -s /usr/local/mysql/bin/* /usr/local/bin
2020-08-03 08:21:17
2527
1
原创 ERROR 1113 (42000): A table must have at least 1 column
问题ERROR 1113 (42000): A table must have at least 1 column错误1113 (42000):一个表必须至少有一列答案create table www(DD INT);
2020-08-03 08:20:59
6003
原创 请删除CMakeCache.txt并重新运行cmake。
问题remove CMakeCache.txt and rerun cmake.On Debian/Ubuntu, package name is libncurses5-dev, on Redhat and derivates it is ncurses-devel.Call Stack (most recent call first):cmake/readline.cmake:128 (FIND_CURSES)cmake/readline.cmake:218 (MYSQL_USE_BUNDLED
2020-08-02 09:16:58
3743
原创 配置:错误:找不到mcrypt.h。请重新安装libmcrypt。
问题configure: error: mcrypt.h not found. Please reinstall libmcrypt答案第一步wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo第二步yum install php-mcrypt libmcrypt libmcrypt-devel即可
2020-08-02 09:16:23
648
原创 错误2002 (HY000):无法通过套接字“/tmp/MySQL . sock”(2)连接到本地MySQL服务器
问题ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/tmp/mysql.sock’ (2)答案mysql-5.6.36]# cp support-files/mysql.server /etc/rc.d/init.d/mysqld第二步chmod +x /etc/rc.d/init.d/mysqld第三步chkconfig --add mysqld第四步systemctl daemon-rel
2020-08-02 09:15:48
1235
1
原创 linux -bash: 未预期的符号 `(‘ 附近有语法错误
问题-bash: 未预期的符号 `(’ 附近有语法错误答案echo " <? phpinfo(); ?>" >/usr/local/index.php使用特殊字符时需要使用双引号
2020-08-02 09:15:23
12414
原创 正在检查操作系统 +Linux 3 . 10 . 0-1127 . El 7 . x86 _ 64 x86 _ 64 检查C编译器...未发现
问题checking for OSLinux 3.10.0-1127.el7.x86_64 x86_64checking for C compiler … not found./configure: error: C compiler cc is not found答案yum -y install gcc-c++
2020-08-02 09:14:59
2068
linux无人值守装系统WUREN.zip
2020-08-02
WUREN.tar.gz
2020-07-12
linux简单的12种网络服务配置.doc
2020-06-30
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