I need to use a wxwidgets application on my rooted device running Ubuntu yakkety but when I compile with default settings and run it, this is what happens- What do I need to do to disable the neon specific code? Clarification This is not cross compiling. I am compiling wxwidgets on the device itself, i.e., on…
Tag: linux
error: no such device : no such device
i have a pc with win10 installation on it , i have installed ubuntu 16.04 on an external HDD , now when i start my computer and the external HDD is connected to the pc the grub menu opens and i can choose between win10 or ubuntu , the problem is when i power on my pc and the external
Filesystem for a partition goes missing EC2 reboot
I created a d2.xlarge EC2 instance on AWS which returns the following output: The default /etc/fstab looks like this Now, I make an EXT4 filesystem for xvdc blkid returns a UID for the filesystem Then, I mount it on /mnt5 It gets succesfully mounted. Till there, the things work fine. Now, I reboot the machine…
Linux kernel – Context switch when calling function from other module?
I am curious if calling a function from a different module in the Linux kernel triggers a context switch? Basically, I’m doing something like this. Say I have module A: module B: between the two measurements, I’m seeing a gap of up to 2 microseconds (after dividing through the TSC frequency). Coul…
Bash | pipe to bash function
In the attempt to pipe to a Bash function, I wrote this: However, in another context I am receiving the correct output plus this error message: “Segmentation fault (core dumped)”. Trying to debug it I ask if there is something wrong the way I am writing the code inside the function in order to get…
File information of .raw audio files using terminal in linux
How to get file information like sampling rate, bit rate etc of .raw audio files using terminal in linux? Soxi works for .wav files but it isn’t working for .raw. Answer If your life depended on discovering an answer you could make some assumption to tease apart the unknowns … however there is no …
setpos and getpos strange behavior in vim
When I open a file with vim -u NONE and source this code: I got a strange behavior when I leave the insert mode. The setposition is sometimes changing and there is like a z- which is executed. You can see that if the files is greater than your window. Can you confirm that behavior ? My vim is 7.4
Systemctl dependency failure, stop dependent services
I have 2 services a.service and b.service. a.service is shown b.service Now, when i start b.service, i’m sure a.service will be started. During runtime, suddenly someone messes with /home/admin/run.sh and systemd is unable to start a.service (also systemctl status a.service shows failed as status). Now …
sed/awk to replace in a loop
I have a file called “demo” that has names in our DNS. I’m trying to loop through each line and replace the “names” with “names and ip address” (as a way of verifying dns queries) So far I have this but no luck on sed or awk command. Help appreciated. Thanks. demo …
Get list of files whose creation date is greater than some date linux
I have these files in Hadoop and want the list of all files whose creation date is greater than 2016-11-21. I tried the command below but it’s printing all the files. How to get only the one’s which satisfy the condition Answer Pass the input date as a variable into awk expression(via -v option): …