redis的List就是一个特殊的链表     比较基础的操作有LPUSH:在链表的最左侧(表头)插入元素,如果表头存在元素,那么原来的元素就会被挤到表头的下一个位置(左边)RPUSH:在链表的最右侧(表尾)插入元素,如果表尾存在元素,那么原来的元素就会被挤到表尾的上一个位置(右边)LPOP:取出表头元素RPOP:取出表尾元素 &nbsp
转载 2023-06-28 16:44:02
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一.问题描述错误代码:package com.xia.redis02springboot; import org.junit.jupiter.api.Test; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBoot
转载 2023-09-18 22:49:01
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-bash-3.2# yum -y install vim* Loaded plugins: fastestmirror Existing lock /var/run/yum.pid: another copy is running as pid 1
原创 2014-07-03 22:51:39
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[root@centos7 conf.d]# nginx -s reopennginx: [warn] conflicting server name "localhost" on 0.0.0.0:80, ignorednginx: [error] invalid PID numb
原创 2022-07-05 17:27:40
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[root@localhost]# /usr/bin/mysqld_safe & [1] 25653 [root@localhost]# Starting mysqld daemon with databases from /var/lib/mysql STOPPING server from pid file /var/run/mysqld/mysqld.pid 100126 0
转载 精选 2011-06-07 20:35:09
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keepalive重启服务器报错如下:#systemctl status keepalived ● keepalived.service - LVS and VRRP High Availability Monitor Loaded: loaded (/usr/lib/systemd/system/keepalived.service; disabled; vendor preset: di
原创 2024-02-21 10:59:22
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解决办法:先输入:nginx -c /usr/local/nginx/conf/nginx.conf再输入:nginx -s reload如下:
原创 2021-07-15 09:25:36
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问题: 重启虚拟机后,再次重启nginx会报错: open() "/var/run/nginx/nginx.pid" failed (2: No such file or directory) 解决方法: (1)进入 cd /usr/local/nginx/conf/ 目录,编辑配置文件nginx. ...
转载 2021-06-23 01:11:00
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[root@instructor Packages]#  yum install elfutils-libelf-develLoaded plugins: refresh-packagekit, rhnpluginThis system is not registered with RHN.RHN support will be disabled.Existing lock /var/r
原创 2012-10-28 09:32:08
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问题:重启虚拟机后,再次重启nginx会报错: open() “/var/run/n
原创 2022-03-09 14:28:58
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有时候重启mysql会提示/tmp/mysql.sock不存在,此时通常会由于两种情况导致,解决方法:一、解决var/run/mysqld没有pid和sock文件MySQL下mysql.sock丢失丢失的原因一般是因为配置文件不一致的原因,mysqld 错误启动,mysqld_safe 会清除一次mysql.sock 。解决方法是:判断一般人解决故障时没有切换到mysql用户,造成权限有问题,无法
转载 2021-05-30 07:21:57
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[error]: invalid PID number "" in "/var/run/nginx.pid"进程性的 nginx -s stop后再次启动nginx -s reload ,总是会报错误nginx: [error] open() "/alidata/server/nginx/logs/nginx.pid" failed (2: No such file or directory),这
转载 精选 2013-11-04 20:00:45
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在这个目录下, 加入mysqld.pid这个文件参考: https://blog.csdn.net/qq_19484963/article/deta1600751504
原创 2022-07-08 19:35:20
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## 解决MySQL启动错误的步骤 为了帮助新手开发者解决MySQL启动错误,我将提供以下步骤来指导他们解决问题。下面是整个过程的流程图。 ### 步骤概述 | 步骤 | 描述 | | --- | --- | | 步骤 1 | 查看错误日志文件 | | 步骤 2 | 检查mysqld.pid文件是否存在 | | 步骤 3 | 删除错误的PID文件 | | 步骤 4 | 重新启动MySQL服务
原创 2023-07-23 18:26:22
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问题: 重启虚拟机后,再次重启nginx会报错: open() "/var/run/nginx/nginx.pid" failed (2: No such file or directory) 解决方法: (1)进入 cd /usr/local/nginx/conf/ 目录,编辑配置文件nginx.
原创 2021-06-03 17:10:16
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运行yum,系统提示Existing lock /var/run/yum.pid: another copy is running as pid 3046问题描述:登录系统后,执行yum install vsftpd,提示Existing lock /var/run/yum.pid: another copy is running as pid 5048.有时等5~10分钟yum可以正常使用。问题
原创 2018-01-16 16:40:30
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yum使用中被锁定 yum Loaded plugins: fastestmirror, langpacks Existing lock /var/run/yum.pid: another copy is running as pid 3593. Another app is currently holding the yum lock; waiting for it to exit... The other application is: PackageKit Memory : 109 M RSS (447 MB VSZ) Started: Thu Jul 26 18:25:02 2018 - 02:00 ago State : Sleeping, pid: 3593
原创 2018-07-26 10:47:46
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在安装redis的过程中,启动service redisd
转载 2020-04-09 17:23:00
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今天用yum安装软件时报错: [root@lvs2 yum.repos.d]# yum -y install ipvsadm Loaded plugins: rhnplugin, security This system is not registered with RHN. RHN support will be disabled. Existing lock /var/run/yum
原创 2010-07-02 11:43:44
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Loaded plugins: fastestmirror, product-id, subscription-managerThis system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.Existing lock /var/run/yum
原创 2014-07-10 18:04:47
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