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ianweatherhogg : strace   65

Using C to inspect Linux syscalls | OpsTips
A deep dive into how to make use of ptrace to inspect syscalls made by a tracee while they occur.
c  strace  5* 
september 2018 by ianweatherhogg
Remote Code Execution in Alpine Linux
tl;dr I found several bugs in apk, the default package manager for Alpine Linux. Alpine is a really lightweight distro that is very commonly used with Docker...
alpine  strace 
september 2018 by ianweatherhogg
NIXAID.COM
Tech blog for system engineers, enthusiasts and hackers
gdb  strace  read  elf  debug  c  assembly  language  4* 
august 2017 by ianweatherhogg
NIXAID.COM
Tech blog for system engineers, enthusiasts and hackers
gdb  strace  c  assembly  language  debug  4* 
august 2017 by ianweatherhogg
NIXAID.COM
Tech blog for system engineers, enthusiasts and hackers
gdb  strace  c  elf  assembly  language  debug  4* 
august 2017 by ianweatherhogg
Let's code a TCP/IP stack, 4: TCP Data Flow & Socket API
In this post, we will look into TCP data communication and how it is managed. Additionally, we will provide an interface from the networking stack that appli...
tcp  ip  stack  network  protocol  arp  lowlevel  5*  dump  strace  curl  test 
july 2017 by ianweatherhogg
Ethan's Tech Blog | An Adventure with strace
Troubleshooting an application running in Apache with strace
strace  work  flow 
january 2016 by ianweatherhogg
Julia Evans
I went to AdaCamp these last couple of days. I
want to talk about some of the awesome stuff that happened! AdaCamp is an unconference, which means …
blogs  strace  linux 
may 2015 by ianweatherhogg
Tuning Ruby's Global Method Cache
I was recently profiling a production Shopify application server using perf and noticed a fair amount of time being spent in a particular function, st_lookup, which is used by Ruby’s MRI implementa...
linux  ruby  c  performance  strace  vagrant  4*  gdb 
january 2015 by ianweatherhogg
Improving the performance of Warp again
Yesod is a Haskell web framework for productive development of type-safe, RESTful, high performance web applications.
yesod  warp  server  performance  optimization  http  request  strace  buffer  parser  c  ffi  4*  resource  manager  monad  transformer  benchmark 
november 2014 by ianweatherhogg
You can be a kernel hacker! - Julia Evans
This blog post is adapted from a talk I gave at Strange Loop
2014 with the same title When I started Hacker School, I wanted to
learn how the Linux …
linux  kernel  hacking  helloworld  strace  proc  mod  module  5* 
september 2014 by ianweatherhogg
Write yourself an strace in 70 lines of code - Made of Bugs
Basically anyone who's used Linux for any amount of time eventually
comes to know and love the strace command. strace is the
system-call tracer, …
strace  ptrace  c  debug 
may 2014 by ianweatherhogg
Understanding how killall works using strace - Julia Evans
Right now I’m on a million-hour train ride from New York to Montreal.
So I’m looking at the output of strace because, uh, strace is
cool …
strace  linux  c 
january 2014 by ianweatherhogg
xRaich[o]²x : Das Blog: DTrace and Scala
Great - profiling scala - follow up the link with the youtube video at the bottom of the page
strace  dtrace  scala  4* 
july 2011 by ianweatherhogg

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