linux 資訊 有時登入一個 linux 系統，我們不知道系統的環境。
下面就是我們可能想知道的資訊
linux 的版本
kernel 資訊
開機時間
記憶體資訊
CPU 資訊
磁碟資訊
登入資訊
執行的程序
電腦名稱
時間
ip
系統負載
版本 1 2 3 4 5 6 7 $ cat /etc/os-release NAME="Alpine Linux" ID=alpine VERSION_ID=3.12.0 PRETTY_NAME="Alpine Linux v3.12" HOME_URL="https://alpinelinux.org/" BUG_REPORT_URL="https://bugs.alpinelinux.org/"
kernel 1 2 $ uname -a Linux 8f05004d4f82 3.10.0-1062.el7.x86_64
開機時間 1 2 $ uptime 01:24:34 up 29 days, 21:23, load average: 1.23, 1.80, 1.62
記憶體 1 2 3 4 $ free -m total used free shared buff/cache available Mem: 64105 32898 17445 0 13761 30548 Swap: 65535 47559 17976
CPU 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 $ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 158 model name : Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz stepping : 13 microcode : 0xb8 cpu MHz : 3392.138 cache size : 16384 KB physical id : 0 siblings : 16 core id : 0 cpu cores : 8 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 22 wp : yes 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 art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb intel_pt ssbd ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt xsaveopt xsavec xgetbv1 dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear spec_ctrl intel_stibp flush_l1d arch_capabilities bogomips : 7200.00 clflush size : 64 cache_alignment : 64 address sizes : 39 bits physical, 48 bits virtual power management:
磁碟資訊 1 2 3 4 5 6 $ df -h Filesystem Size Used Available Use% Mounted on overlay 299.9G 115.2G 184.7G 38% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 31.3G 0 31.3G 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm
登入資訊 1 2 3 4 5 6 $ last oo ttys006 Wed Oct 7 06:52 still logged in oo ttys005 Wed Oct 7 06:52 still logged in oo ttys004 Wed Oct 7 06:52 still logged in oo console Wed Oct 7 06:51 still logged in reboot ~ Wed Oct 7 06:48
執行的程序 1 2 3 4 5 6 $ ps PID TTY TIME CMD 621 ttys004 0:02.81 -zsh 625 ttys004 0:00.01 -zsh 737 ttys004 0:00.00 -zsh 739 ttys004 0:00.30 -zsh
電腦名稱 時間 1 2 $ date Thu Oct 8 09:32:37 CST 2020
ip 1 2 3 4 5 6 7 8 9 $ ifconfig en0 en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500 options=400<CHANNEL_IO> ether ac:bc:32:78:4d:93 inet6 fe80::75:35e4:b6a8:f8be%en0 prefixlen 64 secured scopeid 0x4 inet 192.168.16.151 netmask 0xfffffc00 broadcast 192.168.19.255 nd6 options=201<PERFORMNUD,DAD> media: autoselect status: active
系統負載 1 2 3 4 5 6 7 $ top Mem: 64636232K used, 1007532K free, 1460980K shrd, 48K buff, 15812704K cached CPU: 19% usr 6% sys 0% nic 74% idle 0% io 0% irq 0% sirq Load average: 3.39 2.32 1.88 5/13612 6937 PID PPID USER STAT VSZ %VSZ CPU %CPU COMMAND 42 0 root S 67284 0% 3 0% {jupyter-lab} /usr/bin/python3 /usr/bin/jupyter-lab --NotebookApp.password=sha1:3de3565ce2b7:dbc6f2d59e5ff 9353fc8