Save modifications in place with NON GNU awk
Any of those help Since main aim of this thread is how to do inplace SAVE
in NON GNU awk so I am posting first its template which will help anyone in
any kind of requirement, they need to add/append BEGIN and END section in
their code keeping their m
Date : September 23 2020, 10:00 PM , By : bushan1891
Why sed script is not deleting lines?
This might help you If you need to remove the matching lines, you should
not use the s command.Use
Date : September 23 2020, 09:00 PM , By : Farzan Kolini
npm start doesn't work for ReactJS anymore
I wish this helpful for you Found the solution. npm had been configured to
ignore scripts. Running npm config set ignore-scripts false fixed the
Date : September 23 2020, 06:00 PM , By : Eli Senoo
How to use `waitpid` to wait for a process in Rust?
seems to work fine This has nothing to do with waitpid and everything to do
with fork. When you fork a process, the OS creates a copy of your data and
the child operates on this copy 1. When the child exits, its memory is
discarded. The parent never
Date : September 23 2020, 06:00 AM , By : emosoft
Grep command with multiple patterns
To fix the issue you can do To include multiple pattern to grep command you
need option "-e". For example you can include pattern "pattern1" e
"pattern2" in this way:
Date : September 23 2020, 05:00 AM , By : Leo PG
Buildroot tools - adding a user libs from .RPM
will be helpful for those in need Having the source code for a package
stored in a .rpm file is quite uncommon. Buildroot has built-in rules to
extract all the most common formats. Using an uncommon format requires you
to write extraction rules on yo
Date : September 22 2020, 04:00 AM , By : Rajiv Riddle
Does anyone know how to "fake" download using CURL?
I think the issue was by ths following , issue HTTP HEAD requests and only
download the headers so you can check if it returns "HTTP 404 Not Found" or
something else, you can do that with curl using the -I parameter, but with
large lists, you shouldn
Date : September 21 2020, 10:00 AM , By : Gelnn
How to proxy over ssh?
it helps some times I have vps server where I have access to
api.telegram.org, but on my local machine I could not get it. , This might
Date : September 20 2020, 10:00 PM , By : ankit
Understanding the following x86 assembly code
To fix the issue you can do This is NASM syntax assembly. You can assemble
it with nasm -felf64 (or nasm -felf32 if you want) and disassemble the
resulting .o with objdump -drwC -Mintel and see that the call jumps to the
add.The call target for call
Date : September 20 2020, 05:00 PM , By : Mahmoud Alshrbiny
Why Use a Remote Linux Desktop for Development?
With these it helps Few of the reasons I can think of Security : So that
the production code which your company owns does not reside in your laptop.
Safety : The Linux OS you ssh'ed into is probably running on a server with
all kinds of redundancy an
Date : September 20 2020, 08:00 AM , By : Kieran Gordon
command not found when adding sudo before my command
With these it helps When you use sudo, you are running the command as root
user/super user. The root user doesn't have /usr/local/bin/ in PATH
variable in your case. That is why you are able to run the command using
full path. If you want to verify t
Date : September 20 2020, 06:00 AM , By : Dheepak Rajendran
Is there any way to create a ".exe" in linux?
it fixes the issue If your friends are just casual users, then you can use
something like shc (shell script compiler). However, it's possible for
skilled enough users to decompile anything that their computer can run, so
you shouldn't rely on this fo
Date : September 20 2020, 03:00 AM , By : ann99
How to uninstall git on Linux which is installed from source
Hope that helps You don't need to uninstall it, you can just unpack new
version, build it and install to the same place.But in case you still need
to uninstall it, you can run make uninstall (if folder with source code is
still available) or just rem
Date : September 20 2020, 01:00 AM , By : Jens
Automatic bash script interaction
Hope that helps This is where you would want to use a bash Coprocess
(introduced in bash v4.0 -- NEWS)Suppose we have a file that contains the
questions and answers:
Date : September 19 2020, 11:00 PM , By : Volkan Orhan
How do I permanently enable terminal output to a file?
Any of those help One way is to run script and do everything you want
logged in its session.Pay attention to the caveats in the notes, though;
tui programs don't play well, don't use in a pipeline or shell script, etc.
Date : September 19 2020, 05:00 PM , By : molub
How do I make multi-arch Docker images?
I wish this help you I know other companies create images to support
multiple architectures, how are they doing this?
Date : September 18 2020, 09:00 AM , By : Shabab Huq
Adding to mutiple string a space at the end
seems to work fine You can do so with sed quite easily with a couple of
capture groups and a couple of backreferences along with \U (for uppercase)
and \L (for lowercase), e.g.
Date : September 17 2020, 10:00 AM , By : mashiro
How does the Linux Operating System understand the underlying hardware?
wish helps you I think at first you need to find out how the memory mapping
works. What is the address space and how it relates to physical memory.
Then you could read about how the hardware is mapped in address space and
how to access it. It is a bi
Date : September 16 2020, 02:00 PM , By : Kylie Flaskos
Kill -2 or Kill -INT ,how does it kill process
it fixes the issue Kill -2 sends an interrupt (2 is the value associated
with SIGINT). This will wake up the sleep call but then the loop continues.
If you send a 15 (SIGTERM), the process should terminate.
Date : September 15 2020, 07:00 AM , By : hyungmo1004
Which assembly is used by Linux Kernel? Is it really NASM?
I think the issue was by ths following , The Linux kernel uses the GAS
assembler(GNU Assembler) which is part of GCC. You can find reference
documentation on it here. You can find a pretty thorough introduction to
GAS here provided that you already h
Date : September 14 2020, 09:00 PM , By : 张亚飞
how to grep a string from a particular line?
I wish this helpful for you I want to search for a String by navigating to
a particular line, How to do this in shell scripting? , Try stringing
together cat, sed, and grep.
Date : September 14 2020, 10:00 AM , By : shyamsundar dara
can not set linux environment variables as I expect
may help you . It's not going to work because each program inherits
environment, that is a list of environment variables and their values from
their parent process. Environment is not automatically propagated to all
other programs on the system but i
Date : September 13 2020, 08:00 AM , By : S. Shiraz
Bash - Getting the directory of user input
this one helps. As KamilCuk pointed out, when executing the read command,
it should put the supplied value into the r1 variable. This is done without
the $. So:
Date : September 11 2020, 01:00 PM , By : Sive
Sending user-mode interrupts on x86
This might help you All kernel timer interfaces work by delivering signals
to user-space processes, after handling the timer interrupt inside the
kernel (or otherwise noticing that or waiting until the deadline has been
reached).There are many big ob
Date : September 10 2020, 11:00 AM , By : Shreekant
How to fix regex to match the whole word, and not a substring?
With these it helps In Addition to the Answer of virolino:The Regex
Metacharacter \b matches word boundaries, i.e. between two characters,
where one is a word character and the other is not is a word character,
plus the start and the end of the strin
Date : September 09 2020, 09:00 AM , By : Sai Sundari
C++ portability from Windows to Linux
Hope this helps That return 4321; in main reports an unsuccessful return
code to the OS. Only 0 return code (aka EXIT_SUCCESS) is considered
successful.Change it to return 0 or completely remove that return statement
(in C++ main has implicit return
Date : September 06 2020, 11:00 AM , By : ashish kadam
MarkLogic Filesystem Log entry
hope this fix your issue The meaning of "slow messages" is that a
background activity takes longer time than expected. It is an indicator of
starvation.From your question it's impossible to say what is causing it.
Typically, it's related to underlyin
Date : September 05 2020, 03:00 PM , By : Satyendra Maurya
Grep search +specific lines
wish of those help I have to parse a very large file and I want to use the
command grep (or any other tool). , The options are -A for lines after, and
-B for lines before.
Date : September 05 2020, 11:00 AM , By : user6098519
ssh bash script issues with if statement
Hope this helps Im trying to learn how to write bash scripts. I have this
script to update my servers through ssh. Im trying to add a check and a
conditional to determine if the OS uses yum or apt then it will run the
appropriate update commands. The
Date : August 31 2020, 02:00 AM , By : Philip Choo
How to get the CPU MHz (in /proc/cpuinfo) by the syscall?
will help you No, there is no syscall that will tell you the current speed
(MHz) of your CPU. If you want to know the value without writing a kernel
module for it, you can read the /proc/cpuinfo file, which is there exactly
for this purpose (making t
Date : August 25 2020, 04:00 PM , By : Root Lee
(beginner) How can I optimize this script?
To fix the issue you can do So I'm really new to this and lack any formal
education, I've just been teaching myself as a hobby so I don't have an
understanding of what I'm trying to accomplish or the terminology to look
up the answer on my room. Allo
Date : August 25 2020, 02:00 PM , By : Valentina Di noi