List of useful commands for day to day development.

useful_shell_commands.md

Search Files

Search a file called httpd.conf in all directories:

find / -type f -name httpd.conf

Execute a command on all .conf files.

find / -type f -name httpd.conf -exec chmod 0700 {} \;

OSX: Search a file anywhere on your system:

mdfind httpd.conf

To Compress a File

tar -zcvf archive-name.tar.gz directory-name

Where:

-z: Compress archive using gzip program
-c: Create archive
-v: Verbose i.e display progress while creating archive
-f: Archive File name

To Uncompress a File

tar -xvf archive-name.tar.gz

Where:

-x : Extract a tar ball.
-v : Verbose output or show progress while extracting files.
-f : Specify an archive or a tarball filename.
-j : Decompress and extract the contents of the compressed archive created by bzip2 program (tar.bz2 extension).
-z : Decompress and extract the contents of the compressed archive created by gzip program (tar.gz extension).

To Download a File (with multiple connections)

axel -an 10 http://path-to-file.com/file.tar.gz

userful_git_commands.md

Revert

Revert a merge:

git revert -m 1 <hash>

Get a Reverted Merge back into the branch:

git revert <hash_of_reverted_merge>