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常用Linux系统信息查看命令

  • strict warning: Non-static method view::load() should not be called statically in /var/www/drupal_module/views/views.module on line 906.
  • strict warning: Declaration of views_handler_filter::options_validate() should be compatible with views_handler::options_validate($form, &$form_state) in /var/www/drupal_module/views/handlers/views_handler_filter.inc on line 0.
  • strict warning: Declaration of views_handler_filter::options_submit() should be compatible with views_handler::options_submit($form, &$form_state) in /var/www/drupal_module/views/handlers/views_handler_filter.inc on line 0.
  • strict warning: Declaration of views_handler_filter_node_status::operator_form() should be compatible with views_handler_filter::operator_form(&$form, &$form_state) in /var/www/drupal_module/views/modules/node/views_handler_filter_node_status.inc on line 0.
  • strict warning: Declaration of views_plugin_row::options_validate() should be compatible with views_plugin::options_validate(&$form, &$form_state) in /var/www/drupal_module/views/plugins/views_plugin_row.inc on line 0.
  • strict warning: Declaration of views_plugin_row::options_submit() should be compatible with views_plugin::options_submit(&$form, &$form_state) in /var/www/drupal_module/views/plugins/views_plugin_row.inc on line 0.
  • strict warning: Non-static method view::load() should not be called statically in /var/www/drupal_module/views/views.module on line 906.
  • strict warning: Non-static method view::load() should not be called statically in /var/www/drupal_module/views/views.module on line 906.
  • strict warning: Non-static method view::load() should not be called statically in /var/www/drupal_module/views/views.module on line 906.
  • strict warning: Declaration of views_handler_field_comment::init() should be compatible with views_handler_field::init(&$view, $options) in /var/www/drupal_module/views/modules/comment/views_handler_field_comment.inc on line 0.
  • strict warning: Declaration of views_handler_filter_boolean_operator::value_validate() should be compatible with views_handler_filter::value_validate($form, &$form_state) in /var/www/drupal_module/views/handlers/views_handler_filter_boolean_operator.inc on line 0.

系统

  • uname -a                      查看内核/操作系统/CPU信息
  • head -n 1 /etc/issue          查看操作系统版本
  • cat /proc/cpuinfo             查看CPU信息
  • hostname                      查看计算机名
  • lspci -tv                     列出所有PCI设备
  • lsusb -tv                     列出所有USB设备
  • lsmod                         列出加载的内核模块
  • env                           查看环境变量

资源

  • free -m                       查看内存使用量和交换区使用量
  • df -h                         查看各分区使用情况
  • du -sh                        查看指定目录的大小
  • grep MemTotal /proc/meminfo   查看内存总量
  • grep MemFree /proc/meminfo    查看空闲内存量
  • uptime                        查看系统运行时间、用户数、负载
  • cat /proc/loadavg             查看系统负载

磁盘和分区

  • mount | column -t             查看挂接的分区状态
  • fdisk -l                      查看所有分区
  • swapon -s                     查看所有交换分区
  • hdparm -i /dev/hda            查看磁盘参数(仅适用于IDE设备)
  • dmesg | grep IDE              查看启动时IDE设备检测状况

网络

  • ifconfig                      查看所有网络接口的属性
  • iptables -L                   查看防火墙设置
  • route -n                      查看路由表
  • netstat -lntp                 查看所有监听端口
  • netstat -antp                 查看所有已经建立的连接
  • netstat -s                    查看网络统计信息

进程

  • ps -ef                        查看所有进程
  • top                           实时显示进程状态

用户

  • w                             查看活动用户
  • id                            查看指定用户信息
  • last                          查看用户登录日志
  • cut -d: -f1 /etc/passwd       查看系统所有用户
  • cut -d: -f1 /etc/group        查看系统所有组
  • crontab -l                    查看当前用户的计划任务

服务

  • chkconfig --list              列出所有系统服务
  • chkconfig --list | grep on    列出所有启动的系统服务

程序

  • rpm -qa                       查看所有安装的软件包
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