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scrolling in screen
shantanuo
05:07h
We can not scroll up or down while working in screen mode. Press Ctrl-a, Esc to enter copy mode, then use standard navigation keys. Adding the following to ~/.screenrc will solve this issue. or add this to /etc/screenrc hardstatus on As a quick tip, name your screen windows using Ctrl-a A ... Link (0 comments) ... Comment
Curling PHP
shantanuo
04:46h
CURL can be used very effectively using PHP. Here is an example. cat curl.php<?php curl_setopt($ch, CURLOPT_FILE, $fp); curl_exec($ch); ... Link (0 comments) ... Comment
Counting file types
shantanuo
13:13h
cat myawk.sh !/bin/shlist the type of files with countfind ${*-.} -type f -print | xargs file | ... Link (0 comments) ... Comment
Easy SSH
shantanuo
09:13h
HashKnownHosts no ... Link (0 comments) ... Comment
Old date in Shell
shantanuo
07:20h
If you need to know the 3 days old date, it easy in shell. $ v_prev_date= $ echo $v_prev_date ... Link (0 comments) ... Comment
Number all lines in a file
shantanuo
06:46h
perl -pe '$ = "$. $"' “-p” causes Perl to assume a loop around the program (specified by “-e”) that reads each line of input into the ” $ ” variable, executes the program and then prints the ” $ ” variable. In this one-liner I simply modify ” $_ ” and prepend the ” $. ” variable to it. The special variable ” $. ” contains the current line number of input. ... Link (0 comments) ... Comment
awk power
shantanuo
14:37h
$ cat salaries $ awk '{print $NF, $0}' salaries | sort -nr -k1,1 | cut -d" " -f2- $ awk -F '\t' -v 'OFS=\t' '{print $4, $3, $5, $2, $1}' data.txt ... Link (0 comments) ... Comment
Declare your assets!
shantanuo
13:18h
The declare command can be helpful in identifying variables, environmental or otherwise. This can be especially useful with arrays. bash$ declare | grep HOME bash$ zzy=68 bash$ Colors=([0]="purple" [1]="reddish-orange" [2]="light green") ... Link (0 comments) ... Comment |
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Preserve seeds
4
types of seeds to be preserved for next season. 1) Ramphal https://www.amazon.in/dp/B00KTG8KQ6/?coliid=I3GKU4J9VLPZ6O&colid=RHNWRLPIY54W&psc=1&ref_=lv_ov_lig_dp_it...
by shantanuo (12/21/20 8:13 AM)
Why do I care for
Linux? I don't care that much for other software. Linux...
by shantanuo (12/17/20 9:27 AM)
important leafy vegetables 1. Amaranthus
caudatus: rajgira. 2. Amaranthus tricolor: Math. (Chhoti Chulai- Hindi, Cheera-...
by shantanuo (4/12/20 2:01 PM)
program creek program creek
seems to be a good site for handy references of python...
by shantanuo (4/11/20 11:24 AM)
Standard out to a file
This code will change the standard out to a file...
by shantanuo (4/11/20 11:18 AM)
Create config file for AWS
command line tool While creating amazon config file in a...
by shantanuo (2/20/20 6:00 AM)
setting colors in pandas This
is how to set the colors in pandas mapper =...
by shantanuo (2/20/20 5:53 AM)
log mysql output tee output.txt
show global variables; show engine innodb status\G show full processlist;...
by shantanuo (2/19/20 10:33 AM)
access AWS API gateway using
python Amazon API gateway allows us to host serverless API's...
by shantanuo (2/16/20 9:41 AM)
Using boto In the bad
old days, the glacier class used to have different layers....
by shantanuo (2/15/20 10:28 AM)
backup mysql users 3
steps to install percona utility... yum install perl-DBI perl-Data-Dumper perl-DBD-MySQL wget...
by shantanuo (2/13/20 1:49 PM)
Steps to be used for
generating AWS API gateway a) Method Execution - Get Method...
by shantanuo (2/13/20 1:30 PM)
apply colors to pandas Here
is how to change the color of negative values to...
by shantanuo (2/12/20 8:57 AM)
Holidays in India These are
the common holidays celebrated in India (Mumbai) during 2016 -...
by shantanuo (2/11/20 1:53 PM)
change log file size in
MySQL Here are the steps to be followed while changing...
by shantanuo (2/11/20 10:38 AM)
MySQL common error messages 1146
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by shantanuo (2/11/20 10:13 AM)
ipython parallel demo First start
ipython in cluster mode ipcluster start -n 4 from IPython.parallel...
by shantanuo (2/9/20 9:02 AM)
djanog settings You may see
this message if you have DEBUG = True in your...
by shantanuo (2/9/20 4:07 AM)
clear tmp folder Here is
following commands to clear unwanted stuff from the /tmp partition...
by shantanuo (2/8/20 2:41 PM)
change your server time to
IST If you need to change your server clock to...
by shantanuo (2/8/20 2:39 PM)
Transfer root emails to another
email address If you have root access to the server...
by shantanuo (2/8/20 2:32 PM)
special strings in cron Instead
of the first five fields, you can use any one...
by shantanuo (2/8/20 2:30 PM)
LibreOffice version conflict I am
not able to install latest version of Libre office. I...
by shantanuo (1/29/20 9:15 AM)
while loop This is
a sample shell script while loop while read mydb do echo...
by shantanuo (1/26/20 12:24 PM)
compare mysql schema And here
is poor man's schema compare using good old diff command......
by shantanuo (1/26/20 11:49 AM)
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