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格式化新硬盘 sudo mkfs.ext4 /dev/sdb 自启动增加扩展分区 qc@qc-VirtualBox:~/Android$ cat /etc/fstab # /etc/fstab: static file system information. # # Use 'blkid' to print the universally unique identifier for a # device; this may be used with UUID= as a more robust way

路径： /etc/ssh/sshd_config ClientAliveInterval 间隔发送客户端ssh心跳alive Sets a timeout interval in seconds after which if no data has been received from the client, sshd(8) will send a message through the encrypted channel to request a response from the client. Th

在systemd里面，可以直接使用systemctl进行管理 启动： systemctl start NetworkManger 关闭： systemctl stop NetworkManager 开机启动： systemctl enable NetworkManger 查看是否开机启动： systemctl is-enabled NetworkManager 禁用开机启动： systemctl disable NetworkManager 启动： service NetworkManager

CentOS6开关机日志查询 1."switch root"之前的HAL信息 [root@iZ23ss0jj3qZ ~]#tail -n 10 /var/log/dmesg udev: starting version 147 piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr Initialising Xen virtual ethernet driver...