Cheat Sheets

cheatsheets

Searching ---------------------------------------------------------------------

Find all files that has full filename pattern "YYY" in this rdirectory, recursive:
    find . -wholename "YYY"

Find all matches of regexp "XXX" in file YYY:
    grep -n -E "XXX" YYY

Find all occurences of "XXX" in all files with name "YYY" in this directory, recursive:
    find . -name "YYY" -print0 | xargs -0 grep -n -F "XXX"

Archives ----------------------------------------------------------------------

Unzip XXX.zip to YYY:
    unzip XXX.zip -d YYY

Zip YYY and ZZZ to XXX.zip:
    zip XXX.zip YYY ZZZ

Untar XXX.tar.gz to current directory:  
    tar xzf XXX.tar.gz

Tar YYY and ZZZ to XXX.zip:
    tar czf XXX.tar.gz YYY ZZZ

Untar XXX.tar.bz (or XXX.tar.bz2) to current directory:  
    tar xjf XXX.tar.bz

Untar XXX.tar to current directory:  
    tar xf XXX.tar

Unrar XXX.rar to current directory:
    unrar e XXX.rar

Extract XXX.7z to current directory:
    7za e XXX.7z

ssh ---------------------------------------------------------------------------

Copy XXX to remote host (save as ~/XXX):
    scp -r XXX USER@HOST:.

Copy ~/XXX from remote host:
    scp -r USER@HOST:XXX .

Mount ~/XXX from remote host to YYY
    sshfs USER@HOST:XXX YYY

Unmount XXX previously mounted with sshfs
    fusermount -u XXX

screen ------------------------------------------------------------------------

Create window:
    ^a c

Next/previous window:
    ^a n
    ^a p

Detach:
    ^a d

Kill window:
    ^a K
    exit

Log:
    ^a H

View sessions:
    screen -ls

Reattach to session SESSION:
    screen -r SESSION

Debian package management -----------------------------------------------------

Add XXX PPA and sync package index:
    add-apt-repository XXX
    apt-get update

Resolve dependencies and install XXX.deb: 
    gdebi XXX.deb

Remove XXX and unused packageges it depends on (also removes configs):
    apt-get autoremove --purge XXX

List packages providing file XXX.so:
    dpkg --search XXX.so

Show info about package XXX:
    apt-cache show XXX

Red Hat package management ----------------------------------------------------

List packages providing file XXX.so:
    yum whatprovides XXX.so

Show info about package XXX:
    yum info XXX

C/C++ -------------------------------------------------------------------------

List explicit dynamic dependencies for XXX:
    readelf -d XXX
    
List resolved dynamic dependencies for XXX:
    ldd -v XXX

MySQL -------------------------------------------------------------------------

Dump DB to DB.sql (log in as "USER" on 127.0.0.1):
    mysqldump -uUSER -h127.0.0.1 -p DB > DB.sql
    
Flush DB.sql into DB (log in as "USER" on 127.0.0.1):
    mysql -uUSER -h127.0.0.1 -p DB < DB.sql

vim (TODO) -------------------------------------------------------------------------

Search for XXX (append \C to make case sensitive), next, previous, first, last:
    /XXX
    n
    N
    ggn
    GN

    h   move one character left
    j   move one row down
    k   move one row up
    l   move one character right

    :q! quit without saving
    :x  save and quit

Git -------------------------------------------------------------------------

Make local branch LOCAL_BRANCH_NAME from GitHub pull request with PULL_REQUEST_ID:
    git fetch origin pull/PULL_REQUEST_ID/head:LOCAL_BRANCH_NAME

Clone svn repo at URL to DIR (fetch svn history from REVISION):
    git svn init URL DIR
    cd DIR
    git svn fetch -r REVISION:HEAD  

Fetch changes from remote svn repo and rebase on top of them:
    git svn rebase

Commit from master remote svn repo:
    git svn dcommit --rmdir

Docker ----------------------------------------------------------------------

Detach from tty
    Ctrl+p Ctrl+q
    
Create notebook container:
    docker run -it -d -p 8888:8888 -v /c/Users/Leo/workspace/:/home/jovyan/workspace/ --name notebook jupyter/scipy-notebook start.sh jupyter notebook --NotebookApp.token=''

Android ----------------------------------------------------------------------
TODO:
Linux: ~/Android/Sdk
Mac: ~/Library/Android/sdk
Windows: %LOCALAPPDATA%\Android\sdk