本文共 5410 字，大约阅读时间需要 18 分钟。
今天总结一下在安全运维中对于硬件信息收集过程会用到的linux命令。
演示环境：CentOS 7
1.CentOS常用命令查看 CPU
[root@localhost ~]# more /proc/cpuinfo | grep "model name"model name : Intel(R) Core(TM) i5-4210U CPU @ 1.70GHz[root@localhost ~]#
2.CentOS常用命令查看内存
[root@localhost ~]# free -m total used free shared buff/cache availableMem: 976 678 70 3 227 82Swap: 2047 4 2043[root@localhost ~]#
3.CentOS常用命令查看cpu是32位还是64位
[root@localhost ~]# getconf LONG_BIT64[root@localhost ~]#
4.使用CentOS常用命令查看当前linux的版本
[root@localhost ~]# cat /etc/redhat-release CentOS Linux release 7.4.1708 (Core) [root@localhost ~]#
5.使用CentOS常用命令查看内核版本
[root@localhost ~]# uname -aLinux localhost.localdomain 3.10.0-693.el7.x86_64 #1 SMP Tue Aug 22 21:09:27 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux[root@localhost ~]# uname -r3.10.0-693.el7.x86_64[root@localhost ~]#
6.使用CentOS常用命令查看硬盘和分区
[root@localhost ~]# df -h文件系统 容量 已用 可用 已用% 挂载点/dev/mapper/centos-root 17G 8.0G 9.1G 47% /devtmpfs 473M 0 473M 0% /devtmpfs 489M 0 489M 0% /dev/shmtmpfs 489M 7.2M 482M 2% /runtmpfs 489M 0 489M 0% /sys/fs/cgroup/dev/sda1 1014M 161M 854M 16% /boottmpfs 98M 4.0K 98M 1% /run/user/42tmpfs 98M 36K 98M 1% /run/user/0/dev/sr0 4.3G 4.3G 0 100% /run/media/root/CentOS 7 x86_64[root@localhost ~]#
7.使用CentOS常用命令查看selinux情况
[root@localhost ~]# sestatus SELinux status: enabledSELinuxfs mount: /sys/fs/selinuxSELinux root directory: /etc/selinuxLoaded policy name: targetedCurrent mode: enforcingMode from config file: enforcingPolicy MLS status: enabledPolicy deny_unknown status: allowedMax kernel policy version: 28[root@localhost ~]#
8.查看IP地址
[root@localhost ~]# ifconfig
9.使用CentOS常用命令查看所属时区和是否使用UTC时间
[root@localhost ~]# timedatectl Local time: 三 2018-10-03 17:17:22 UTC Universal time: 三 2018-10-03 17:17:22 UTC RTC time: 三 2018-10-03 17:17:22 Time zone: Universal (UTC, +0000) NTP enabled: noNTP synchronized: no RTC in local TZ: no DST active: n/a[root@localhost ~]# date 2018年 10月 03日 星期三 17:17:39 UTC[root@localhost ~]# timedatectl set-timezone Asia/Shanghai[root@localhost ~]# timedatectl Local time: 四 2018-10-04 01:18:46 CST Universal time: 三 2018-10-03 17:18:46 UTC RTC time: 三 2018-10-03 17:18:46 Time zone: Asia/Shanghai (CST, +0800) NTP enabled: noNTP synchronized: no RTC in local TZ: no DST active: n/a[root@localhost ~]# date 2018年 10月 04日 星期四 01:20:02 CST[root@localhost ~]# rm -rf /etc/localtime [root@localhost ~]# ln -s /usr/share/zoneinfo/Universal /etc/localtime[root@localhost ~]# timedatectl Local time: 三 2018-10-03 17:22:44 UTC Universal time: 三 2018-10-03 17:22:44 UTC RTC time: 三 2018-10-03 17:22:43 Time zone: Universal (UTC, +0000) NTP enabled: noNTP synchronized: no RTC in local TZ: no DST active: n/a[root@localhost ~]# date 2018年 10月 03日 星期三 17:22:51 UTC[root@localhost ~]#
# cat /etc/sysconfig/clock
10.使用CentOS常用命令查看主机名
[root@localhost ~]# hostnamelocalhost.localdomain[root@localhost ~]#
11.使用CentOS常用命令查看开机运行时间
[root@localhost ~]# uptime 16:49:14 up 2:22, 2 users, load average: 0.00, 0.01, 0.05[root@localhost ~]#
12.查看主板信息
[root@localhost ~]# dmidecode | more# dmidecode 3.0Getting SMBIOS data from sysfs.SMBIOS 2.7 present.620 structures occupying 29060 bytes.Table at 0x000E0010.Handle 0x0000, DMI type 0, 24 bytesBIOS Information Vendor: Phoenix Technologies LTD Version: 6.00 Release Date: 05/19/2017 Address: 0xEA520 Runtime Size: 88800 bytes ROM Size: 64 kB Characteristics: ISA is supported PCI is supported PC Card (PCMCIA) is supported PNP is supported APM is supported BIOS is upgradeable BIOS shadowing is allowed ESCD support is available Boot from CD is supported Selectable boot is supported EDD is supported Print screen service is supported (int 5h) 8042 keyboard services are supported (int 9h) Serial services are supported (int 14h) Printer services are supported (int 17h) CGA/mono video services are supported (int 10h) ACPI is supported Smart battery is supported BIOS boot specification is supported Function key-initiated network boot is supported Targeted content distribution is supported--More--
13.查看磁盘使用情况
[root@localhost ~]# fdisk -l磁盘 /dev/sda：21.5 GB, 21474836480 字节，41943040 个扇区Units = 扇区 of 1 * 512 = 512 bytes扇区大小(逻辑/物理)：512 字节 / 512 字节I/O 大小(最小/最佳)：512 字节 / 512 字节磁盘标签类型：dos磁盘标识符：0x000d1bd6 设备 Boot Start End Blocks Id System/dev/sda1 * 2048 2099199 1048576 83 Linux/dev/sda2 2099200 41943039 19921920 8e Linux LVM磁盘 /dev/mapper/centos-root：18.2 GB, 18249416704 字节，35643392 个扇区Units = 扇区 of 1 * 512 = 512 bytes扇区大小(逻辑/物理)：512 字节 / 512 字节I/O 大小(最小/最佳)：512 字节 / 512 字节磁盘 /dev/mapper/centos-swap：2147 MB, 2147483648 字节，4194304 个扇区Units = 扇区 of 1 * 512 = 512 bytes扇区大小(逻辑/物理)：512 字节 / 512 字节I/O 大小(最小/最佳)：512 字节 / 512 字节[root@localhost ~]#
参考文章：
转载地址：http://xzmpa.baihongyu.com/