/proc kcore file is huge - Stack Overflow
WebJan 24, 2017 · It's completely safe to run the command sudo rm /proc/kcore. It will just say rm: cannot remove '/proc/kcore': Operation not permitted . All the files in /proc do not actually exist on your hard drive, so they can't be removed.
/proc/kcoreという巨大ファイルの削除方法
WebAug 22, 2021 · 「/proc/kcore」の128TBのファイルが作成され、ディスク使用率が99%となっている。 ディスク領域の枯渇は、本当にそのファイルが原因なのでしょうか？ 一般的なLinux環境では、/proc以下はprocfsという仮想ファイルシステムであって、実際のディスクは消費しませ ...
linux - Why is the / proc / kcore file so large? - Stack Overflow
WebMar 16, 2019 · When you delete a file in linux, the data isn't really deleted. Instead, the file system essentially marks the associated inode and the blocks where the data was stored, as unused. This is done to avoid the overhead of actually zeroing (i.e. writing the blocks with 0s), and is also the reason why you can recover deleted files.
disk management - /proc/kcore very big - Ask Ubuntu
WebJul 19, 2011 · 0. You need to look for large files in /home (this contains all users' home directories) ad delete them. If you have trouble due to the kernel or sudo rm not allowing this, try using a LiveCD, mounting your partition …
linux - Why is the size of "/proc/kcore" file so bigger than the ...
WebNov 16, 2015 · From proc manual: /proc/kcore. This file represents the physical memory of the system and is stored in the ELF core file format. With this pseudo-file, and an unstripped kernel (/usr/src/linux/vmlinux) binary, GDB can be used to examine the current state of any kernel data structures. The total length of the file is the size of physical memory ...
Absurdly large /proc/kcore file -- what does it mean?
WebDo not back it up. Its contents do not exist on the disk. From man 5 proc: /proc/kcore. This file represents the physical memory of the system and is. stored in the ELF core file format. With this pseudo-file, and. an unstripped kernel (/usr/src/linux/vmlinux) binary, GDB can …
linux - What type of file is /dev/core or /proc/kcore? - Unix & Linux ...
WebSep 30, 2015 · The kcore file is a virtual file only existing as part of the proc filesystem. It contains the memory the kernel can allocate. On 64-bit systems the size of /proc/kcore is even 128TB, because that's the absolute limit of what 64-bit systems can allocate. This file is formatted like an ELF binary.
Pointers to the void | Dumping /proc/kcore in 2019 - GitHub Pages
WebJul 4, 2019 · In /proc/kcore, they describe where in the file each portion of the system memory can be found. More information about ELF can be found here or in the elf manpage. Every read access to the /proc/kcore virtual file is handled by the function read_kcore in …
5.2.14. /proc/kcore Red Hat Enterprise Linux 4 - Red Hat Customer Portal
WebMay 2, 2014 · Unlike most /proc/ files, kcore displays a size. This value is given in bytes and is equal to the size of the physical memory (RAM) used plus 4 KB. The contents of this file are designed to be examined by a debugger, such as gdb, and is not human readable. Warning. Do not view the /proc/kcore virtual file.
linux - Use of kcore file in centos - Server Fault
WebApr 5, 2011 · 5. Can I remove it? No. The entire /proc filesystem is a virtual filesystem that allows you to view (and manipulate in some cases) values in the kernel. As such, the "files" in /proc are not taking up any actual disk space. In the case of /proc/kcore, it's an alias to your system memory, and will appear to be the same size as the amount of RAM ...
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