Article reprint: http://www.php-note.com/article/detail/793
5. Query port is occupied
Netstat-tln
Netstat-tln | grep Port number
Lsof-i: Port number
kill-9 PID Number
6. Find the. jira-home.lock file
[[email protected] ~]# Find/-name '. Jira-home.lock '
1. View the number of physical CPUs
[[email protected] ~]# cat/proc/cpuinfo |grep "Physical id" |sort |uniq|wc-l
1
2. View the number of logical CPUs
[Email protected] ~]# cat/proc/cpuinfo |grep "Processor" |wc-l
4
3. View CPU is a few cores (that is, the number of cores)
[Email protected] ~]# cat/proc/cpuinfo |grep "Cores" |uniq
CPU Cores:4
4, check the CPU frequency
[Email protected] ~]# cat/proc/cpuinfo |grep Mhz|uniq
CPU mhz:2499.982
5. Current operating system kernel information
[Email protected] ~]# uname-a
Linux MysqlCluster01 2.6.32-431.20.3.el6.x86_64 #1 SMP Thu June 21:14:45 UTC x86_64 x86_64 x86_64 gnu/linux
6. Current operating system release information
[Email protected] ~]# cat/etc/issue
CentOS Release 6.4 (Final)
Kernel \ r on an \m
7. Memory usage
[Email protected] ~]# free-m
Total used free shared buffers Cached
mem:7863 2738 5125 0 141 835
-/+ buffers/cache:1761 6102
swap:3967 0 3967
Other commands:
[Email protected] ~]# Cat/proc/cpuinfo | grep name | Cut-f2-d: | Uniq-c
4 AMD Opteron (tm) Processor 6380
See there are 8 logical CPUs and know the CPU model
[Email protected] ~]# getconf long_bit
64
Indicates that the current CPU is running in 64bit mode
[Email protected] ~]# Cat/proc/cpuinfo | grep Flags | grep ' LM ' | Wc-l
4
The result is greater than 0, indicating support for 64bit calculations. LM refers to long mode, which supports LM while 64bit
View operating system information, memory status and CPU information under Linux: Number of CPUs, cores, threads