Linux常用命令
查看版本 [root@VM_0_2_centos ~]# cat /etc/redhat-release CentOS Linux release 7.2.1511 (Core) 查看内存 [root@VM_0_2_centos ~]# free -m total used free shared buff/cache available Mem: 1839 125 593 0 1120 1539
[root@VM_0_2_centos ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/vda1 50G 4.6G 43G 10% / devtmpfs 911M 0 911M 0% /dev tmpfs 920M 0 920M 0% /dev/shm tmpfs 920M 388K 920M 1% /run tmpfs 920M 0 920M 0% /sys/fs/cgroup tmpfs 184M 0 184M 0% /run/user/0 查看磁盘空间
[root@VM_0_2_centos ~]# cat /proc/cpuinfo CPU信息 processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 79 model name : Intel(R) Xeon(R) CPU E5-26xx v4 stepping : 1 microcode : 0x1 cpu MHz : 2394.454 cache size : 4096 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 lm constant_tsc rep_good nopl eagerfpu pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch bmi1 avx2 bmi2 rdseed adx xsaveopt bogomips : 4788.90 clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management:
[root@VM_0_2_centos ~]# top
top - 09:51:37 up 6 days, 23:37, 1 user, load average: 1.24, 1.23, 1.59
Tasks: 67 total, 1 running, 66 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.0 us, 0.0 sy,100.0 ni, 0.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem : 1883844 total, 607564 free, 128704 used, 1147576 buff/cache
KiB Swap: 0 total, 0 free, 0 used. 1576312 avail Mem
Unknown command - try 'h' for help
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
10556 root 20 0 150140 1984 1460 R 0.3 0.1 0:00.01 top
1 root 20 0 45392 3684 2496 S 0.0 0.2 0:06.20 systemd
2 root 20 0 0 0 0 S 0.0 0.0 0:00.04 kthreadd
3 root 20 0 0 0 0 S 0.0 0.0 0:04.24 ksoftirqd/0
5 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/0:0H
6 root 20 0 0 0 0 S 0.0 0.0 0:06.78 kworker/u2:0
7 root rt 0 0 0 0 S 0.0 0.0 0:00.00 migration/0
8 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcu_bh
9 root 20 0 0 0 0 S 0.0 0.0 1:35.66 rcu_sched
10 root rt 0 0 0 0 S 0.0 0.0 0:01.91 watchdog/0
12 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kdevtmpfs
13 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 netns
14 root 20 0 0 0 0 S 0.0 0.0 0:00.07 khungtaskd
15 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 writeback
16 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kintegrityd
17 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset
18 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kblockd
动态信息
[root@VM_0_2_centos ~]# ps -ef 或者ps aux UID PID PPID C STIME TTY TIME CMD root 1 0 0 Sep08 ? 00:00:06 /usr/lib/systemd/systemd --switched-root --system --deserialize 21 root 2 0 0 Sep08 ? 00:00:00 [kthreadd] 查看当前服务
[root@VM_0_2_centos ~]# netstat Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 52 VM_0_2_centos:ssh 120.244.106.220:9373 ESTABLISHED tcp 0 0 VM_0_2_centos:50418 72.ip-139-99-102.:14433 ESTABLISHED Active UNIX domain sockets (w/o servers) Proto RefCnt Flags Type State I-Node Path unix 3 [ ] DGRAM 6786 /run/systemd/notify unix 2 [ ] DGRAM 6788 /run/systemd/cgroups-agent unix 6 [ ] DGRAM 6805 /run/systemd/journal/socket 查看端口信息.
[root@VM_0_2_centos ~]# netstat -tunlp Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:6379 0.0.0.0:* LISTEN 3422/redis-server * tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 936/sshd tcp6 0 0 :::6379 :::* LISTEN 3422/redis-server * udp 0 0 0.0.0.0:68 0.0.0.0:* 865/dhclient udp 0 0 172.17.0.1:123 0.0.0.0:* 513/ntpd udp 0 0 172.27.0.2:123 0.0.0.0:* 513/ntpd udp 0 0 127.0.0.1:123 0.0.0.0:* 513/ntpd udp 0 0 0.0.0.0:123 0.0.0.0:* 513/ntpd udp 0 0 0.0.0.0:53411 0.0.0.0:* 865/dhclient udp6 0 0 :::123 :::* 513/ntpd udp6 0 0 :::57230 :::* 865/dhclient [root@VM_0_2_centos ~]#
^C[root@VM_0_2_centos ~]# crontab -l 查看定时任务.
安装nginx
[root@VM_0_2_centos ~]# yum install nginx -y
[root@VM_0_2_centos ~]# systemctl start nginx [root@VM_0_2_centos ~]# systemctl status nginx ● nginx.service - The nginx HTTP and reverse proxy server Loaded: loaded (/usr/lib/systemd/system/nginx.service; disabled; vendor preset: disabled) Active: active (running) since Sat 2018-09-15 10:50:55 CST; 11s ago Process: 12060 ExecStart=/usr/sbin/nginx (code=exited, status=0/SUCCESS) Process: 12057 ExecStartPre=/usr/sbin/nginx -t (code=exited, status=0/SUCCESS) Process: 12056 ExecStartPre=/usr/bin/rm -f /run/nginx.pid (code=exited, status=0/SUCCESS) Main PID: 12062 (nginx) CGroup: /system.slice/nginx.service ├─12062 nginx: master process /usr/sbin/nginx └─12063 nginx: worker process Sep 15 10:50:55 VM_0_2_centos systemd[1]: Starting The nginx HTTP and reverse proxy server... Sep 15 10:50:55 VM_0_2_centos nginx[12057]: nginx: the configuration file /etc/nginx/nginx.conf syntax is ok Sep 15 10:50:55 VM_0_2_centos nginx[12057]: nginx: configuration file /etc/nginx/nginx.conf test is successful Sep 15 10:50:55 VM_0_2_centos systemd[1]: Failed to read PID from file /run/nginx.pid: Invalid argument Sep 15 10:50:55 VM_0_2_centos systemd[1]: Started The nginx HTTP and reverse proxy server. [root@VM_0_2_centos ~]#
https://www.cnblogs.com/pyyu/p/9468680.html?tdsourcetag=s_pcqq_aiomsg
如果要部署网站业务数据，只需要把开发好的程序全放到html目录下即可
[root@oldboy_python /tmp 11:34:52]#ls /opt/nginx1-12/html/ index.html jssts.jpeg lhy.mp4 man.jpg wget-log
因此只需要通过域名/资源，即可访问
http://www.pyyuc.cn/man.jpg
反向代理。
