526互联

云计算实战（2）- LINUX系统管理(1)

发布时间 2023-10-25 23:59:20作者: 水宝石

目录

hostnamectl

Hostnamectl可用于查询和更改系统主机名及相关设置。

[waterruby@192 init.d]$ hostnamectl -h
hostnamectl [OPTIONS...] COMMAND ...

Query or change system hostname.

Commands:
  status                 Show current hostname settings
  hostname [NAME]        Get/set system hostname
  icon-name [NAME]       Get/set icon name for host
  chassis [NAME]         Get/set chassis type for host
  deployment [NAME]      Get/set deployment environment for host
  location [NAME]        Get/set location for host

Options:
  -h --help              Show this help
     --version           Show package version
     --no-ask-password   Do not prompt for password
  -H --host=[USER@]HOST  Operate on remote host
  -M --machine=CONTAINER Operate on local container
     --transient         Only set transient hostname
     --static            Only set static hostname
     --pretty            Only set pretty hostname
     --json=pretty|short|off
                         Generate JSON output
  • status
See the hostnamectl(1) man page for details.
[waterruby@192 init.d]$ hostnamectl status
   Static hostname: (unset)
Transient hostname: 192.168.0.110
         Icon name: computer-vm
           Chassis: vm ?
        Machine ID: d586137836e24c218074ea62f04ba5e8
           Boot ID: 1dd7c39875b74b759f451398b0a168e4
    Virtualization: kvm
  Operating System: AlmaLinux 9.2 (Turquoise Kodkod)
       CPE OS Name: cpe:/o:almalinux:almalinux:9::baseos
            Kernel: Linux 5.14.0-284.30.1.el9_2.x86_64
      Architecture: x86-64
   Hardware Vendor: QEMU
    Hardware Model: Standard PC _Q35 + ICH9, 2009_
  Firmware Version: 1.16.2-1.fc38
[waterruby@192 init.d]$

timedatectl


[waterruby@192 init.d]$ timedatectl
               Local time: 三 2023-10-25 23:33:41 CST
           Universal time: 三 2023-10-25 15:33:41 UTC
                 RTC time: 三 2023-10-25 15:33:41
                Time zone: Asia/Shanghai (CST, +0800)
System clock synchronized: yes
              NTP service: active
          RTC in local TZ: no

list-timezones


Commands:
  status                   Show current time settings
  show                     Show properties of systemd-timedated
  set-time TIME            Set system time
  set-timezone ZONE        Set system time zone
  list-timezones           Show known time zones
  set-local-rtc BOOL       Control whether RTC is in local time
  set-ntp BOOL             Enable or disable network time synchronization