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What is the difference between AF_INET and PF_INET in socket programming?
...
I found in Linux kernel source code that PF_INET and AF_INET are the same.
The following code is from file include/linux/socket.h, line 204 of Linux kernel 3.2.21 tree.
/* Protocol families, same as address families. */
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#define PF_...
Linux delete file with size 0 [duplicate]
How do I delete a certain file in linux if its size is 0. I want to execute this in an crontab without any extra script.
8 ...
nginx - client_max_body_size has no effect
... of March 2016, I ran into this issue trying to POST json over https (from python requests, not that it matters).
The trick is to put "client_max_body_size 200M;" in at least two places http {} and server {}:
1. the http directory
Typically in /etc/nginx/nginx.conf
2. the server directory in ...
Is System.nanoTime() completely useless?
...t talks about other platforms, but that article does include a remark that Linux has encountered and solved the same problem in the same way, with a link to the FAQ for clock_gettime(CLOCK_REALTIME), which says:
Is clock_gettime(CLOCK_REALTIME) consistent across all processors/cores? (Does ar...
Find all storage devices attached to a Linux machine [closed]
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you can also try lsblk ... is in util-linux ... but i have a question too
fdisk -l /dev/sdl
no result
grep sdl /proc/partitions
8 176 15632384 sdl
8 177 15628288 sdl1
lsblk | grep sdl
sdl 8:176 1 14.9G 0 disk
`-sdl1 8:...
What is the difference between the kernel space and the user space?
...stinction
In x86 protected mode, the CPU is always in one of 4 rings. The Linux kernel only uses 0 and 3:
0 for kernel
3 for users
This is the most hard and fast definition of kernel vs userland.
Why Linux does not use rings 1 and 2: CPU Privilege Rings: Why rings 1 and 2 aren't used?
How is ...
Understanding Linux /proc/id/maps
I am trying to understand my embedded Linux application's memory use. The /proc/pid/maps utility/file seems to be a good resource for seeing the details. Unfortunately I don't understand all the columns and entries.
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wkhtmltopdf: cannot connect to X server
...been using wkthmltopdf to convert html to pdf documents on-the-fly on my linux web server. The program originally needed X11 or similar X server to run correctly, but through many requests by developers to have this run on servers without GUI, I am pretty sure it runs a virtual X server in the s...
Learning Ruby on Rails
...onal career to looking at Ruby and RoR in my personal life, and I've found linux to be slightly more appealing personally for development. Particularly now that I've started using git, the implementation is cleaner on linux.
Currently I'm dual booting and getting closer to running Ubuntu full time...
NodeJS require a global module/package
.... It supports a JS-like syntax for its Boo interpreter/compiler (Boo is a Python-like language for .NET) that is deceptively marketed as “JavaScript”. The more-accurate name for the language Unity supports is UnityScript. Because it's not even close to the same language, next to none of the J...