Linux使用命令监测服务状态类、网络配置类、磁盘存储类监控文件中的数据

cat /etc/mtabmountdf -h

cat /etc/fstab

df -h

du -sh /du -sh /*

cat /sys/block/sda/stat

iostat -x 1iostat -d -x 1

cat /sys/fs/ext4/sda1/errors

quota -u 用户名quota -g 组名

lsblk

blkid

df -h          # 磁盘满没满du -sh /*       # 哪个目录最大mount          # 挂载了哪些盘cat /etc/fstab  # 开机挂载cat /sys/block/sda/stat# 磁盘IOiostat -x 1     # 实时IOblkid          # 磁盘UUID

cat /run/nginx.pidcat /run/mysqld/mysqld.pidcat /run/redis/redis.pid

ps -p $(cat /run/nginx.pid)ps -p $(cat /run/mysqld/mysqld.pid)

systemctl status nginxsystemctl status mysqlsystemctl status redis

systemctl is-active nginxsystemctl is-enabled nginx

journalctl -u nginx -fjournalctl -u mysqld -f

journalctl -u nginx -b

journalctl -u nginx | grep -i error

ss -tulpn | grep nginxss -tulpn | grep mysqlss -tulpn | grep redis

cat /etc/security/limits.confcat /etc/security/limits.d/*

prlimit -p $(pidof nginx)

cat /run/xxx.pid           # 看PIDps -p $(cat /run/xxx.pid)  # 验证是否活着systemctl status xxx       # 看系统服务状态journalctl -u xxx -f       # 看日志