Centos7.3 修改主机名,密码,删除多余用户
[root@localhost ~]# uname -a Linux localhost.localdomain 3.10.0-514.el7.x86_64 #1 SMP Tue Nov 22 16:42:41 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux [root@localhost ~]# cat /etc/redhat-release CentOS Linux release 7.3.1611 (Core) #设置主机名 [root@localhost ~]# hostnamectl set-hostname GE1CSH1V [root@localhost ~]# hostname ge1csh1v #修改密码 [root@localhost ~]# passwd Changing password for user root. #输入新的密码 New password: #重新输入新密码 Retype new password: #密码:身份验证令牌更新成功。 passwd: all authentication tokens updated successfully.
3.删除多余的用户
#查询系统中有那些用户 [root@localhost ~]# cat /etc/shadow root:$6$dDtmsj8w$7WTw4JxSGHO1DS0XzHCKgxZyIaVpmtfHpKTkp/PtS60uRD8xPbjxNMELK96hdcV96cmk6n2A6X7MUn8Fg4E4F1:17501:0:99999:7::: bin:*:17110:0:99999:7::: daemon:*:17110:0:99999:7::: adm:*:17110:0:99999:7::: lp:*:17110:0:99999:7::: sync:*:17110:0:99999:7::: shutdown:*:17110:0:99999:7::: halt:*:17110:0:99999:7::: mail:*:17110:0:99999:7::: operator:*:17110:0:99999:7::: games:*:17110:0:99999:7::: ftp:*:17110:0:99999:7::: nobody:*:17110:0:99999:7::: systemd-bus-proxy:!!:17467:::::: systemd-network:!!:17467:::::: dbus:!!:17467:::::: polkitd:!!:17467:::::: abrt:!!:17467:::::: unbound:!!:17467:::::: tss:!!:17467:::::: libstoragemgmt:!!:17467:::::: rpc:!!:17467:0:99999:7::: colord:!!:17467:::::: usbmuxd:!!:17467:::::: saslauth:!!:17467:::::: geoclue:!!:17467:::::: rtkit:!!:17467:::::: rpcuser:!!:17467:::::: nfsnobody:!!:17467:::::: radvd:!!:17467:::::: qemu:!!:17467:::::: ntp:!!:17467:::::: chrony:!!:17467:::::: setroubleshoot:!!:17467:::::: sssd:!!:17467:::::: pulse:!!:17467:::::: gdm:!!:17467:::::: gnome-initial-setup:!!:17467:::::: sshd:!!:17467:::::: avahi:!!:17467:::::: postfix:!!:17467:::::: tcpdump:!!:17467:::::: as:$6$h8hnOJhmBRbQrbeD$kzgler57IIGgKP3BGdjwkX2OCwO3J/atVkx6egznGot6kSJYC8hEWP5.3zYLyIWsckMgY8yyVblq0nCVOzln7.:17467:0:99999:7::: #永久删除指定的用户 [root@localhost ~]# userdel as #再次查询是否删除用户 [root@localhost ~]# cat /etc/shadow root:$6$dDtmsj8w$7WTw4JxSGHO1DS0XzHCKgxZyIaVpmtfHpKTkp/PtS60uRD8xPbjxNMELK96hdcV96cmk6n2A6X7MUn8Fg4E4F1:17501:0:99999:7::: bin:*:17110:0:99999:7::: daemon:*:17110:0:99999:7::: adm:*:17110:0:99999:7::: lp:*:17110:0:99999:7::: sync:*:17110:0:99999:7::: shutdown:*:17110:0:99999:7::: halt:*:17110:0:99999:7::: mail:*:17110:0:99999:7::: operator:*:17110:0:99999:7::: games:*:17110:0:99999:7::: ftp:*:17110:0:99999:7::: nobody:*:17110:0:99999:7::: systemd-bus-proxy:!!:17467:::::: systemd-network:!!:17467:::::: dbus:!!:17467:::::: polkitd:!!:17467:::::: abrt:!!:17467:::::: unbound:!!:17467:::::: tss:!!:17467:::::: libstoragemgmt:!!:17467:::::: rpc:!!:17467:0:99999:7::: colord:!!:17467:::::: usbmuxd:!!:17467:::::: saslauth:!!:17467:::::: geoclue:!!:17467:::::: rtkit:!!:17467:::::: rpcuser:!!:17467:::::: nfsnobody:!!:17467:::::: radvd:!!:17467:::::: qemu:!!:17467:::::: ntp:!!:17467:::::: chrony:!!:17467:::::: setroubleshoot:!!:17467:::::: sssd:!!:17467:::::: pulse:!!:17467:::::: gdm:!!:17467:::::: gnome-initial-setup:!!:17467:::::: sshd:!!:17467:::::: avahi:!!:17467:::::: postfix:!!:17467:::::: tcpdump:!!:17467::::::
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。