Linux, PHP, LAMP, The Web in a blog- Android – how to develop directly on a phone
- Android drawable default icons – they are free to use
- Android how to read and write files
- Uncompress on the fly when copying a file from a remove location with scp
- Setting up an encrypted volume on an external hard drive on CentOS
- Linux bash – tar tricks
- Implement Selenium tests
- Using a downloaded package without IDE in Java
- CSS selectors optimisation
- Ubuntu Linux on Acer Aspire AO751h
Category Archives: Linux Command Line
Linux – Autocompletition With Commands in The History
+R If you want this functionality bound to the vertical arrows, add this to your ~/.inputrc: # non-incremental search of history based on the text between the prompt and the cursor # up arrow “\e[B”: history-search-forward # down arrow “\e[A”: … Continue reading
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Linux – List Files Sorted By Date
ls -latr t -> sort by time r -> reverse order with any type sorting
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Sftp
sftp -oPort=port_number username@host
Linux – Getting Back a Deleted File
You can get back deleted files if they are still loaded by any application. For example, let’s say I’ve deleted the file myfile by mistake but I have got it still open with vim. What I can do in order … Continue reading
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Linux – Search and Replace – Recursive and Over Multiple Files
find dir_name -exec perl -pi -w -e ‘s/search_reg_exp/replace_reg_exp/g;’ {} \; Be careful: search_reg_exp and replace_reg_exp are regular expressions then you may need to escape some special characters.
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Automatic Batch Sftp With Expect
Expect is a tool for automating interactive applications such as telnet, ftp, passwd, fsck, rlogin, tip, etc. Expect FTP This code helps use to understand how to use command line arguments and string concatenation with Expect and with any Tlc … Continue reading
Linux | Recursive FTP download with wget
w*g*e*t -r ftp://username:password@host/relative_path_from_username_homedir You need to remove the asterisks (I used that just to work around a security measure by wordpress, I guess). The directory will be download in a local directory: host/relative_path_from_username_homedir retaining the remote filesystem structure Alternatively you … Continue reading
Linux : Recursive grep on only php files
This finds recursively and prints the name of all those php files containing the pattern my_pattern grep -ri “my_pattern” /path/to/directory/*.php This finds recursively and prints the name of all those php files containing the pattern my_pattern find . -name *.php … Continue reading
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Imagemagick: Batch Resize Photos Recursively
apt-get install imagemagick I’ll resize recursively all the photos with .jpg extension in a square frame 700×700 retaining the ratio: find ./ -name “*.jpg” -exec mogrify -resize 700×700 {} \;
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Command Line: Print
/usr/bin/lpr -P Officeprinter -o InputSlot=Default -o PageSize=A4 -o Duplex=None
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