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LINUX QUESTIONS

How to merge two line in a file into one by specified condition in linux?
How to merge two line in a file into one by specified condition in linux?
wish helps you I have a file which is exported from mysql using command select into outfile escaped by "\"... However, there are newlines in some fields which result in broken lines, namely a record in mysql is split into two lines in exported file.
TAG : linux
Date : November 22 2020, 03:01 PM , By : mrlabit
How to check if a file exists before deleting?
How to check if a file exists before deleting?
it fixes the issue I'm trying to create a script where if I file exists then perform a delete and then get a wget from artifactory. Running this code below for some reason will not delete my file and creates a new one with an extension ...example cag
TAG : linux
Date : November 21 2020, 03:00 PM , By : K_Donghan
complex command over ssh
complex command over ssh
this will help First, let's simplify the awk command a little, before worrying about how to pass it through ssh.
TAG : linux
Date : November 21 2020, 03:00 PM , By : Abhishek Agrawal
Can I force the compiler to put my shared libraries in the binary as well?
Can I force the compiler to put my shared libraries in the binary as well?
this one helps. There should be static linkable versions of GLU, glfw and GLEW available. Never statically link GL or any of the X11 stuff. There's a simple reason for that: libGL.so actually contains part of the GPU drivers, so to work it must be ma
TAG : linux
Date : November 18 2020, 03:01 PM , By : Genevieve Morris
change name of file in nested folders
change name of file in nested folders
To fix this issue I have been trying to think of a way to rename file names that are listed in nested folders and am having an issue resolving this matter. as a test i have been able to cut out what part of the name i would like to alter but can't th
TAG : linux
Date : November 18 2020, 03:01 PM , By : Rich Howard
Determining through Shell Script if a Linux process is running with given arguments
Determining through Shell Script if a Linux process is running with given arguments
this one helps. pgref -f (which you are using) does match the pattern to the whole command line of a process, not just the process name. That said, you can use:
TAG : linux
Date : November 16 2020, 03:01 PM , By : Betelgeuze
tar and tee command, md5sum on the fly
tar and tee command, md5sum on the fly
like below fixes the issue Doing tar --to-command=md5sum -x -f mybackup.tar md5sums the extracted files, not the tar archive itself.Doing cat mybackup.tar | md5sum is the right way to compare the checksum.
TAG : linux
Date : November 15 2020, 03:01 PM , By : Donnie Guffey
How to change error messaging when using rm in Ubuntu Server (Linux)
How to change error messaging when using rm in Ubuntu Server (Linux)
wish of those help You can analyze exit code and print custom message depending on success or failure of rm:
TAG : linux
Date : November 14 2020, 03:01 PM , By : Avish Bhaoorjar
After migrate svn repositories to another server in conf folder passwd file is empty
After migrate svn repositories to another server in conf folder passwd file is empty
Hope that helps edit: from server's svn version is 1.6, to server's svn version is 1.7. is version difference causes a problem like this?
TAG : linux
Date : November 13 2020, 03:01 PM , By : arh
"telnet" command fails with "bad port" when executed in shell script, but works on command prompt
"telnet" command fails with "bad port" when executed in shell script, but works on command prompt
wish help you to fix your issue Your script file has Windows CR/LF line endings, while *nix systems use LF only.The additional CR is taken as a part of the telnet command, particularly as a part of the last "port" argument. Hence the "bad port" error
TAG : linux
Date : November 12 2020, 03:00 PM , By : Peter Lee
Select value after a column in a csv command output
Select value after a column in a csv command output
will help you You can use grep if you want together with a Regular Expression. This would work for you:
TAG : linux
Date : November 11 2020, 03:01 PM , By : Ulku
Visual Studio changing ownership of edited file
Visual Studio changing ownership of edited file
wish of those help Well kind of solved it. I don't understand all of the solution, but hell it works!As suspected it was Samba config file (smb.conf)
TAG : linux
Date : November 10 2020, 03:01 PM , By : HelloHello
monitoring job titles on torque cluster using ksh
monitoring job titles on torque cluster using ksh
I wish this helpful for you If I use qstat I can get the list of jobs currently running , Seems like a job for arrays
TAG : linux
Date : November 10 2020, 03:01 PM , By : Dee
Cannot find module 'firebase-admin' when trying to deploy Firebase functions
Cannot find module 'firebase-admin' when trying to deploy Firebase functions
This might help you Same issue here. It is a firebase problem.There is disruption in firebase cloud service since yesterday.
TAG : linux
Date : November 09 2020, 03:01 PM , By : Jen Ive1234567
sed and parsing MAC address
sed and parsing MAC address
will help you sed's default setting is to print the complete pattern space.Add option -n (suppress printing of pattern space) and add command p (print current pattern space):
TAG : linux
Date : November 09 2020, 03:01 PM , By : user7452030
Remove verbosity from sudo with pseudo-terminal
Remove verbosity from sudo with pseudo-terminal
help you fix your problem Don't start an interactive shell on the tty if you don't want an interactive shell session. Just start a shell that runs your command noninteractively:
TAG : linux
Date : November 08 2020, 03:01 PM , By : RingMaster
How to find rows with same value in one or more rows and adding the values using awk
How to find rows with same value in one or more rows and adding the values using awk
I hope this helps . Your phrases: I need to find Green Teams Average + add columns $3, $4, and $5, then divide by 9 - means that you want to get the overall/total mean.Awk solution:
TAG : linux
Date : November 07 2020, 03:01 PM , By : Shiva tej
get diff between files in two different git repos and apply to first repo
get diff between files in two different git repos and apply to first repo
it helps some times To compare foo file between repo a and repo b and apply the changes to repo a, you just need to use below commands:
TAG : linux
Date : November 07 2020, 03:01 PM , By : Zinedin Ahmed
Starting a process with a key stroke in linux
Starting a process with a key stroke in linux
fixed the issue. Will look into that further I want to ask something that just came to my mind. I search google and stackoverflow and couldn't find a answer to my question, if there is any, please inform me. , you can use bind for this, i.e. to run p
TAG : linux
Date : November 06 2020, 03:01 PM , By : cjdev
Shell launched from shellcode immediatly stop upon launching
Shell launched from shellcode immediatly stop upon launching
To fix the issue you can do The problem is that in the second program, you've redirected standard input to the pipe. The shell that's spawned tries to read from the pipe, gets EOF, so it exits.You can redirect standard input back to the terminal befo
TAG : linux
Date : November 06 2020, 03:01 PM , By : TA1NTLAZER
Kubernetes PersistentVolumClaim is not bound - OpenVpn Helm Chart
Kubernetes PersistentVolumClaim is not bound - OpenVpn Helm Chart
hop of those help? If you want to persist your configuration which helps you overcome from restarting pod or machine you should create PV. https://kubernetes.io/docs/concepts/storage/persistent-volumes/The linked chart created PVC by itself.
TAG : linux
Date : November 03 2020, 03:01 PM , By : Lengi
How to play first n seconds of a mp3 track with systemd?
How to play first n seconds of a mp3 track with systemd?
Hope this helps Here's my try: , Try this:
TAG : linux
Date : November 02 2020, 03:01 PM , By : Sail E Ndra
How to disable encoding in a text-editor?
How to disable encoding in a text-editor?
I wish this helpful for you To fix it EndOfLine and encoding on Notepad++ :On the bottom right of Notepad++ you can right click on the left of the encoding "UTF-8" and click on Convert UNIX(LF) format. Be sure to change encoding to UTF-8 if it is not
TAG : linux
Date : November 01 2020, 03:01 PM , By : Celeste Wilson
Filter Column Linux
Filter Column Linux
fixed the issue. Will look into that further this question will be easy for you I guess - but I'm a Linux "noob". , Simply with awk:
TAG : linux
Date : November 01 2020, 03:01 PM , By : Ion Tuchila
GTK3 function keys; which are consumed (and unusable from my GTK app)?
GTK3 function keys; which are consumed (and unusable from my GTK app)?
Hope that helps Trying to decompose your questions so that its easier to answer.First of all, i would recommend reading The GTK+ Input and Event Handling Model and notice that "GTK+ receives events from the windowing system".
TAG : linux
Date : October 30 2020, 04:01 PM , By : Vkpanchal
How to merge multiple columns in a file to a single column using bash commands?
How to merge multiple columns in a file to a single column using bash commands?
I wish did fix the issue. I have a text file with three different columns . I want to create another file by merging all these columns into a single column. , If you are interested in doing it awk this is the way :
TAG : linux
Date : October 24 2020, 08:10 PM , By : user2172065
Unable to move correct files to the mvfiles
Unable to move correct files to the mvfiles
will be helpful for those in need Try adjusting your logic a little. Also, include all your delimiters in your grep pattern, and tweak where you put your quotes for it.
TAG : linux
Date : October 24 2020, 08:10 AM , By : Evgueni Tsygankov
How to convert the processer number to 32 bit hexadecimal value
How to convert the processer number to 32 bit hexadecimal value
With these it helps The formula is to raise 2 to the power of the number of each processor, then add them all up.For 0 and 4 we compute 20 and 24, giving 1 and 16, respectively.
TAG : linux
Date : October 21 2020, 08:10 AM , By : user2173395
AWK command not working in linux but works in mac
AWK command not working in linux but works in mac
wish helps you You're trying to pass the value of a shell variable into awk the wrong way and using a non-portable echo. The right way (assuming value2 doesn't contain any backslashes) is:
TAG : linux
Date : October 20 2020, 08:10 PM , By : user2173430
Run linux command line utility from delphi app and capture output
Run linux command line utility from delphi app and capture output
wish of those help The example mentioned above created for OSX works perfectly on Linux64 (tested with current Ubuntu) with a small modification in the definitions. As the changes are small, I don't repeat the code (see Delphi: Capture OSX console ou
TAG : linux
Date : October 20 2020, 08:10 AM , By : user2173725
Shell command that replaces event codes according to a dictionary
Shell command that replaces event codes according to a dictionary
it fixes the issue I've got a file (silly_log.txt) in which events are encoded with numeric values and I'd like to expand these codes to a form that can be read by humans more easily. The information that is required to accomplish this is in a differ
TAG : linux
Date : October 19 2020, 08:10 AM , By : filhocf
how to use shutdown call in linux using assembly programming 64-bit?
how to use shutdown call in linux using assembly programming 64-bit?
seems to work fine The shutdown system call does not shut down the system. It implements the shutdown() function which shuts down communication on a socket. If you want to turn off the system, use the reboot() system call. See reboot(2) for documenta
TAG : linux
Date : October 19 2020, 08:10 AM , By : Катя
Where's Qt Designer on Linux installation of PySide2 (Qt for Python)?
Where's Qt Designer on Linux installation of PySide2 (Qt for Python)?
it helps some times eyllanesc's comment is the answer. Qt Designer is not bundled with the Linux distribution of Qt for Python that you get by means of pip install PySide2. Using apt remedies situation:sudo apt install qttools5-dev-tools
TAG : linux
Date : October 19 2020, 08:10 AM , By : user2173977
How to append to a file-backed mmap using the memmap crate?
How to append to a file-backed mmap using the memmap crate?
will help you First off, based on my understanding, I would urge you to be highly suspicious of that crate. It allows you do do things in safe Rust that you should not. For example, if you have a file-backed mmap, then any process on your computer wi
TAG : linux
Date : October 19 2020, 08:10 AM , By : user2173945
OpenSSL and CryptoJS SHA256 encryption conversion
OpenSSL and CryptoJS SHA256 encryption conversion
should help you out It seems that CryptoJS "as-is" does not provide this flexibility. This is because the use of MD5 is hard coded into the function used to derive the key from the passphrase. You can see it happening here in OpenSSLKdf:
TAG : linux
Date : October 17 2020, 08:10 PM , By : user2174578
How do I find the program process id number to kill program automatically in assembly on Linux?
How do I find the program process id number to kill program automatically in assembly on Linux?
it should still fix some issue This is tedious to do. What you need to do is walk through the /proc file system, reading the cmdline files for each process to determine which process is the one you are interested in. You might also need to implement
TAG : linux
Date : October 16 2020, 08:10 AM , By : b.young
How can i use a pre installed Intellij Idea that was installed on Windows 7 now on linux?
How can i use a pre installed Intellij Idea that was installed on Windows 7 now on linux?
hope this fix your issue As suggested in the comment, i had to go through a separate installation for linux and then import settings by using setting sync plugin https://www.jetbrains.com/help/idea/sharing-your-ide-settings.html
TAG : linux
Date : October 15 2020, 08:10 AM , By : Devin B
Not able to initialize variables when running as another user in shell
Not able to initialize variables when running as another user in shell
this one helps. Expansion happens on the original user side, not on the side after sudo.
TAG : linux
Date : October 14 2020, 08:10 PM , By : user2175632
Illegal Characters in Password in Expect / Shell Script
Illegal Characters in Password in Expect / Shell Script
around this issue We are having a password which is bt67nJuse3?{]=_0!\`fr,./@ (Except the quotes). This password contains characters such as {, `, /, ., ! which might need to be escaped. A lot of combinations have been tried to no avail and after spe
TAG : linux
Date : October 14 2020, 02:22 PM , By : user2176023
Cancel jobs running on the same partition on SLURM
Cancel jobs running on the same partition on SLURM
This might help you In your case, scancel offers the appropriate filters, so you can simply run
TAG : linux
Date : October 14 2020, 02:21 PM , By : hudo
Extract the count from a file linux
Extract the count from a file linux
This might help you I have a text file like this , Using Perl one liner
TAG : linux
Date : October 14 2020, 02:21 PM , By : SYKOgirl85
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