Grand opening ;)

Now I create this blog. Looks fine, isn't it?

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Installing and using a free GeoIP database

Today's article is about install and update GeoIP database on Debian-like systems, integrate it with PHP and Apache. To install GeoIP on Debian 8 or Ubuntu 16.04 simple run this command: apt-get install geoip-database geoip-database-extra Now you have a GeoIP installed. But databases are obsolete. To update GeoIP databases, find data files on your system: dpkg -L geoip-database | grep GeoIP.dat You get a path like /usr/share/GeoIP/ Go to that directory and download updates: wget http://geolite.maxmind.com/download/geoip/database/GeoLiteCountry/GeoIP.dat.gz wget http://geolite.maxmind.com/download/geoip/database/GeoLiteCity.dat.gz Unpack files with replace old: gzip -df *.gz Rename GeoLiteCity.dat to GeoIPCity.dat: mv -f GeoLiteCity.dat GeoIPCity.dat You can put all these commands into one bash file (e.g. geoipupd.sh ) to run as single command: #!/bin/bash cd /usr/share/GeoIP/ wget http://geolite.maxmind.com/download/geoip/database/GeoLiteCountry/GeoIP.dat.gz wget ...
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Create custom Spinner on ActionBar

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Last days I start working on new Android app, working name is PassGen (Password generator) and plan to place spinner onto the ActionBar. Since API 21 ActionBar replaced to more flexible Toolbar with you can put widgets similar to regular layout. I plan to use spinner but by default it look not fine for me. Starting from modify colors, my mind moving me to add second line and icon to each item. Finally, it looks like this: Almost changes are in XML files. In MainActivity: < android.support.v7.widget.Toolbar android :id= "@+id/toolbar" android :layout_width= "match_parent" android :background= "@color/colorPrimaryDark" android :layout_height= "?attr/actionBarSize" > < Spinner android :id= "@+id/spinner" style= "@style/SpinnerTheme" android :layout_width= "wrap_content" android :layout_height= "wrap_content" android :layout_marginEnd= ...
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Deploy data to multiple servers with Python

One of easiest way to upload files into multiple servers via ssh is using a script that send data uses scp/sshpass and a list of connection data. For this purpose I like to use a Python language. Firstly, define an array with IP and pasword data in logindata.py file: ip_list = [( '5.1.1.2' , 'password1' ), ( '5.1.1.3' , 'password2 ' ), ... ( '5.1.1.N' , 'passwordN ' )] Using separate file for logina data is preferred because you can use multiple similar files with different data, and/or multiple scripts with uses that data to connect. Okay, now we can create upload script (e.g. multi-scp.py ) itself: from subprocess import call from logindata import ip_list user = 'root' local_path = 'uploads/*' remote_path = '/root/' for (ip, password) in ip_list: print ( "-------------- \n Moving to %s" % ip) call([ 'sshpass -p%s scp -r %s %s@%s:%s' % (password, local_...
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