Linux日志中常见错误代码解析

linux

小樊

2025-03-01 03:55:09

栏目: 智能运维

在Linux系统中，日志是记录系统活动和事件的重要工具，它们对于系统监控、故障诊断、安全审计和性能优化至关重要。以下是对Linux日志中常见错误代码的解析：

错误代码	含义
EPERM	Operation not permitted
ENOENT	No such file or directory
ESRCH	No such process
EINTR	Interrupted system call
EIO	I/O error
ENXIO	No such device or address
E2BIG	Arg list too long
ENOEXEC	Exec format error
EBADF	Bad file number
ECHILD	No child processes
EAGAIN	Try again
ENOMEM	Out of memory
EACCES	Permission denied
EFAULT	Bad address
ENOTBLK	Block device required
EBUSY	Device or resource busy
EEXIST	File exists
EXDEV	Cross-device link
ENODEV	No such device
ENOTDIR	Not a directory
EISDIR	Is a directory
EINVAL	Invalid argument
ENFILE	File table overflow
EMFILE	Too many open files in system
ENOTTY	Inappropriate ioctl for device
ETXTBSY	Text file busy
EFSIZE	File too large
ENOSPC	No space left on device
ESPIPE	Illegal seek
EROFS	Read-only file system
EMLINK	Too many links
EPIPE	Broken pipe
EWOULDBLOCK	Resource temporarily unavailable
EINPROGRESS	Operation now in progress
EISCONN	Connection established
ENOTCONN	Connection refused
ECONNRESET	Connection reset
ENOTDIR	Not a directory
EDESTADDRREACHED	Destination address reached
EHOSTUNREACH	Host unreachable
ENOTCONN	Connection refused
ECONNRESET	Connection reset
ENOBUFS	No buffer space available
EISCONN	Connection established
ENOTCONN	Connection refused
ECONNRESET	Connection reset
ENOBUFS	No buffer space available

权限不足（EPERM, EACCES）：通常是由于尝试访问受保护的文件或目录，但没有足够的权限。解决方法包括使用chmod或chown调整权限，或者使用sudo执行命令。
磁盘空间不足（ENOMEM, ENOSPC）：系统或进程因缺乏可用内存而无法继续运行。解决方法包括清理不必要的文件、增加磁盘空间或使用内存管理工具优化内存使用。
文件系统损坏（EFSIZE, EROFS）：文件系统错误或只读，无法进行写操作。解决方法包括使用fsck工具检查和修复文件系统，或者将文件系统设置为只读模式进行修复。

通过以上信息，希望能够帮助您更好地理解和解析Linux系统日志中的常见错误代码。

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