CentOS安装docker

下载

git clone https://github.com/OWASP/django-DefectDojo.git

1. 查看CPU是否支持VT技术

Find If A CPU Supports Virtualization Technology (VT) - OSTechNix

$ egrep --color -i "svm|vmx" /proc/cpuinfo

[root@localhost django-DefectDojo]# lscpu
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                12
On-line CPU(s) list:   0-11
Thread(s) per core:    2
Core(s) per socket:    6
Socket(s):             1
NUMA node(s):          1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 44
Model name:            Intel(R) Xeon(R) CPU           L5640  @ 2.27GHz
Stepping:              2
CPU MHz:               1600.000
CPU max MHz:           2268.0000
CPU min MHz:           1600.0000
BogoMIPS:              4520.50
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              12288K
NUMA node0 CPU(s):     0-11
Flags:                 fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 popcnt aes lahf_lm epb ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid dtherm ida arat spec_ctrl intel_stibp flush_l1d
 

2. 查看内核版本和系统架构（高于3.10.0,64位）

Linux localhost.localdomain 3.10.0-1160.el7.x86_64 #1 SMP Mon Oct 19 16:18:59 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

3. 系统更新

sudo yum install -y dnf
sudo dnf --refresh update
sudo dnf upgrade