包含标签 centos7 articles

centos7重置密码

rhel7/centos7 使用了grub2代替了之前的grub引导,由init初始化更换成了systemd初始化。随之带来的root密码在找回时也和之前操作不同。具体如下: 启动系统,并在GRUB2启动屏显时,按下e键进入编辑模式 在kernel 引导行所在参数行尾添加以下内容 1init=/bin/sh 按Ctrl+x启动到shell……

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centos7设置主机名指令hostnamectl

centos7 上在主机名变更新增了一个hostnamectl 指令 ,该指令的无论在输出和更改上都较之前更加的便利。先看下hostname的help帮助信息: 1[root@361way ~]# hostnamectl --help 2hostnamectl [OPTIONS...] COMMAND ... 3Query or change system hostname. 4 -h --help Show this help 5 --version Show package version 6 --transient Only set transient hostname 7 --static Only set static hostname 8 --pretty Only set pretty hostname 9 -P --privileged Acquire privileges before execution 10 --no-ask-password Do not prompt for password 11 -H --host=[USER@]HOST Operate on remote host 12Commands: 13 status Show current hostname……

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centos7设置时间命令timedatectl

在新的centos7里,关于时间的指令除了保留了之前版本中常用到的date、hwclock等命令外,还增加了一个统一的命令timedatactl。下面结合其用法进行下小结。 查看 timedatectl 指令用法帮助 1[root@361way ~]# timedatectl --help 2timedatectl [OPTIONS...] COMMAND ... 3Query or change system time and date settings. 4 -h --help Show this help 5 --version Show package version 6 --adjust-system-clock 7 Adjust system clock when changing local RTC mode 8 --no-pager Do not pipe output into……

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