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分类 Linux使用 下的文章
这是是三三的学习空间,有学习过程中的一些新的记录。主要是服务器配置,安全,环境搭建等信息。
CentOS7-快速查看系统日志
systemd拥有强大的解决与系统日志记录功能-systemd-journald。日志目录一般是在/var/log/journal,记录的是...
CentOS8配置yum源方法
CentOS,是基于 Red Hat Linux 提供的可自由使用源代码的企业级 Linux 发行版本;是一个稳定,可预测,可管理和可复制的...
iowait过高问题查找及解决方案
一、iostat和iowait详细解说-查看磁盘瓶颈一、iostat基础 %iowait并不能反应磁盘瓶颈1、安装iostat iost...
CentOS使用SQLite3数据库相关技巧和命令
CentOS自带sqlite3。如果没带按照下面的方式安装安装sqlite31、下载sqlite3安装包wget https://www.s...
Linux 内存错误检查 EDAC检查内存错误No controller found
CentOS7服务器报错,内容如下:[0.1374880] [Firmware But]: the BIOS has corrupted h...
CentOS7 编译安装MySQL5.6.38
一、下载MySQL5.6.38安装包下载地址:https://www.mysql.com/downloads/ 打开网站之后选择Archi...
Centos7阿里云ECS卸载安骑士(阿里云盾)
说明:阿里云的ECS,CentOS7环境,配置不是很高,发现这个阿里云盾(安骑士)经常长期占用进程和cpu,占用大概3%左右,而且有时候还会...
CentOS yum 源的配置与使用
一、yum 简介 yum,是Yellow dog Updater, Modified 的简称,是杜克大学为了提高RPM 软件包安装性而开发...
LNMP相关软件安装目录
LNMP相关软件安装目录Nginx 目录: /usr/local/nginx/MySQL 目录 : /usr/local/mysql/MyS...
How can i add lines to WHMCS Admin Addon Module Template {headoutput}?
First of all, I am new here and my English is not good enough so i am ...
Centos系统找出并杀死僵尸进程zombie
当使用系统的时候,发现有僵尸进程,建议kill掉。具体方法如下: 输入命令:top top命令发现系统存在三个僵尸进程: 3 zombie通...
linux下查看磁盘分区的文件系统格式
df -T 只可以查看已经挂载的分区和文件系统类型。Filesystem Type 1K-blocks Used Available Use...
CentOS 7 下设置DNS服务器的方法
在CentOS 7下,手工设置 /etc/resolv.conf 里的DNS,过了一会,发现被系统重新覆盖或者清除了。这个情况和CentOS...
CentOS执行yum命令错误:Error: Cannot find a valid baseurl for repo: base
Yum(全称为 Yellow dog Updater,Modified)是一个在Fedora和RedHat以及CentOS中的Shell前端...
a start job is running for file sys 8a-aff错误
系统开机的过程中出现错误 ,类似于a start job if running for file sys …(1min,30s) 1.原因分...
perf:interrupt took too long 2517 2500 lowering kernel.perf_event_max_sample_rate to 79000
单板启动后,会经常看到提示“perf interrupt took too long (n > x)”,这样的打印信息。相关配置参数...
CentOS7 添加多个IP地址(静态/固定Ip) 附批量添加命令
添加方法简要版本(适用于熟悉命令的维护人员),常用命令如下:yum -y install nano /安装nano yum install...
Linux Centos网络配置(网卡IP配置)
Centos安装完系统以后,如果没有在安装的过程中配置IP地址,那么就需要手动配置IP。这里边涉及到一些细节的问题,需要注意。否则经常会出现...
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@ 权限问题,试试sudo 再加命令。
你好提示Permission denied 怎么办啊