linux巡检常用命令
时间: 2023-10-24 20:09:56 浏览: 89
Linux巡检常用命令包括:
1. 检查登录情况:lastb,last
2. 检查安全日志:cat /var/log/secure.log | egrep 'failed | Invalid | disabled | not | warning | err'
3. 检查启动日志:cat /var/log/boot.log | egrep 'failed | Invalid | disabled | not | warning | err'
4. 检查系统日志:cat /var/log/messages | egrep 'failed | Invalid | disabled | not | warning | err'
5. 检查硬件日志:dmesg | egrep 'failed | Invalid | disabled | not | warning | err'
6. 负载评估CPU:uptime
7. 负载评估内存:cat /proc/cpuinfo | grep 'processor' | wc -l
8. 进程block状态评估:vmstat 1 10,iostat -x 1 10
9. 等待队列评估:vmstat 1 10
10. 网络连接状态:netstat -an | grep -i wait
11. 检查主机名:hostname
12. kdump评估:cat /boot/grub/grub.conf | grep -i crash
13. 防火墙检查:iptables -L -n
14. Selinux检查:sestatus
15. Shell资源限制:ulimit -a,cat /etc/security/limits.conf