I am trying to remove duplicates based on the value of the 2nd field. The lower value of the 2nd field should be retained, any line with repeated 1st field and higher 2nd field should be removed. This is an example of my raw data: Here is how it should be: So far, based on this post: I came up
How to access remotely MS SQL Server on linux ubuntu 14.04
How would I access MS SQL Server with ubuntu 14.04. I tried using freetds I failed to understand the process and It was my first time learning sqlmap. I have tried to read for several hours but in vain. Just give me a clue a way to proceed. I have the IP address of the database but I don’t know
linux command convert to java equivalent so as to use as an API
What is the equivalent of below to jsp , below i am posting request to the http url , want to write the same using java Answer Try this:
Rsync not transferring the changes
I am trying to sync this local file (release.txt) to a server (verlis) in which I have ssh into, into the same path directory in which it also contains the same file. And so, I did the following: ssh verlis rsync -av /tools/packageA/release.txt verlis:/tools/packageA/release.txt The process was very fast and …
Build is happening by default with g++ instead of arm compiler?
I am encountering a very strange issue. I am building my source for ARM with ARM compilers. I modified CXX field in makefile to build using arm-linux-gnueabihf-g++ instead of g++ but while building its still taking g++. Can someone please help me here? MY makefile has the following entry I modified it to look…
Which header file do I have to include to get printk() within a kernel source file?
Let’s say I want to use printk() within arch/x86/boot/string.c before compiling the kernel. Which header file do I have to include so that the linker knows where to find printk()? I tried #include <linux/kernel.h> and #include <linux/printk.h> but I always get errors during make bzImage tell…
How to make diffstat count removed and newly added files to LOC count?
this is similar to git diff –stat, but diffstat is ignoring “Only in dir1” and “Only in dir2” files, whereas git diff adds it to deletion and insertion counts respectively. Is there a way to make diffstat to do the same? Answer Simpler: using GNU diff’s -N option, e.g., whe…
compare the length of multiple files using awk or sed
I want to compare the number of lines of each file and choose the one that contains the maximum number of lines for example I will get as result Answer Alternative with lot’s of piping this script assumes the file names are under your control and space or _V won’t appear in the base names. Otherwi…
How to run eval spawn ssh and expect in background?
I created a script to get in inside an Access Point (AP) using ssh and execute some commands and I used expect to interact with shell. The scripts works fine when it is running on foreground, but when I try to execute the same script in background using & to fork the process, it stop at spawn ssh command …
Linking binary compiled with “-g” with library without “-g”
Will there be any issues if a binary compiled with gdb symbols (-g) is linked with a library without gdb symbols? I am debugging this issue, and I am checking if the “-g” might be causing this. Answer Linking libraries compiled with debug symbols and without debug symbols should not cause Segmenta…