Google Cloud 安装java

1. 确定系统是32位还是64位

1）

[echo0282@instance-1 ~]$ uname -a

Linux instance-1 3.10.0-1127.13.1.el7.x86_64 #1 SMP Tue Jun 23 15:46:38 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

[echo0282@instance-1 ~]$

[echo0282@instance-1 ~]$ uname -m

x86_64

[echo0282@instance-1 ~]$

2）

[echo0282@instance-1 ~]$ getconf LONG_BIT

64

[echo0282@instance-1 ~]$ getconf WORD_BIT

32

[echo0282@instance-1 ~]$

3）

[echo0282@instance-1 ~]$ file /sbin/init

/sbin/init: symbolic link to `../lib/systemd/systemd'

[echo0282@instance-1 ~]$

[echo0282@instance-1 ~]$ file ../lib/systemd/systemd

../lib/systemd/systemd: cannot open (No such file or directory)

[echo0282@instance-1 ~]$

[echo0282@instance-1 ~]$ file /lib/systemd/systemd

/lib/systemd/systemd: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.32, BuildID[sha1]=4903faf530c8f0c91650a6642d2cb5c535631e3c, stripped

[echo0282@instance-1 ~]$

4）

[echo0282@instance-1 ~]$ echo $HOSTTYPE

x86_64

[echo0282@instance-1 ~]$

5）

[echo0282@instance-1 ~]$ file /bin/cat

/bin/cat: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.32, BuildID[sha1]=b97cc8358edb123e8a9e21390f30924fe66a5e55, stripped

[echo0282@instance-1 ~]$

6）

[echo0282@instance-1 ~]$ more /proc/cpuinfo

processor : 0

vendor_id : GenuineIntel

cpu family : 6

model : 85

model name : Intel(R) Xeon(R) CPU @ 2.00GHz

stepping : 3

microcode : 0x1

cpu MHz : 2000.182

cache size : 39424 KB

physical id : 0

siblings : 1

core id : 0

cpu cores : 1

apicid : 0

initial apicid : 0

fpu : yes

fpu_exception : yes

cpuid level : 13

wp : yes

flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2

ss ht syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology nonstop_tsc eagerfpu pni pclmulqdq ssse3 fma

cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch invpcid_

single ssbd ibrs ibpb stibp fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx avx512f avx512dq rdseed

adx smap clflushopt clwb avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 arat md_clear spec_ctrl intel_stibp arc

h_capabilities

bogomips : 4000.36

clflush size : 64

cache_alignment : 64

address sizes : 46 bits physical, 48 bits virtual

power management:

 

[echo0282@instance-1 ~]$

7）

 

以上说明系统是64位的，因此选择64位的安装包

 

 

yum install

java-1.8.0-openjdk-1.8.0.252.b09-2.el7_8.x86_64