Commands by bakhru

Commands by bakhru (10)

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shell bash iterate number range with for loop
This is sample output - yours may be different.
3

for i in {1..10}; do echo $i; done

bakhru · 2019-07-28 01:09:35 0
Which processes are listening on a specific port (e.g. port 80)
This is sample output - yours may be different.
-1

netstat -nap|grep 80|grep LISTEN

bakhru · 2019-07-28 01:08:45 0
Automatically update all the installed python packages
This is sample output - yours may be different.
0

for i in `pip list -o --format legacy|awk '{print $1}'` ; do pip install --upgrade $i; done

bakhru · 2016-11-03 22:05:21 0
Look at logs startring at EOF
This is sample output - yours may be different.
-6

less +F <file>

bakhru · 2015-05-30 19:32:27 2
Grep only files matching certain pattern (Advanced)
This is sample output - yours may be different.
-11

find <path> |xargs grep <pattern>

bakhru · 2015-05-30 19:29:25 1
display a tab separated file as columns
This is sample output - yours may be different.
-11

cat <file>|column -t

bakhru · 2015-05-30 18:56:34 2
Colour part of your prompt red to indicate an error
This is sample output - yours may be different.
-2

export PS1='[\[\e[36;1m\]\u@\[\e[32;1m\]\h \[\e[31;1m\]\w]# \[\e[0m\]'

bakhru · 2011-04-16 00:58:51 0
clear screen, keep prompt at eye-level (faster than clear(1), tput cl, etc.)
This is sample output - yours may be different.
-4

Ctrl+l

bakhru · 2011-04-13 21:15:37 2
df without line wrap on long FS name
This is sample output - yours may be different.
2

df -PH|column -t

bakhru · 2011-04-13 21:13:14 0
Upload file to remote server using SCP
This is sample output - yours may be different.
-7

scp /home/svnlabs.txt root@92.178.0.56:/home/

bakhru · 2010-01-22 21:19:37 1

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Create/open/use encrypted directory

Create/open/use an encrypted directory encfs needs to be installed During creation easiest to use default values The encrypted files will be in ~/.crypt and you will work as usual in ~/crypt To close the encrypted directory run: fusermount -u ~/crypt When you switch off the computer the encrypted directory will be automatically closed This example uses /home/user/crypt as encrypted directory I use ubuntu linux 8.04 and I am also the creator of www.minihowto.org

Find usb device in realtime

Using this command you can track a moment when usb device was attached.

list block devices

Shows all block devices in a tree with descruptions of what they are.

Download all manuals RedHat 7 (CentOS/Fedora) with one command in Linux

Top 15 processes with the largest number of open files

See the summary.

Create a persistent connection to a machine

Create a persistent SSH connection to the host in the background. Combine this with settings in your ~/.ssh/config: Host host ControlPath ~/.ssh/master-%r@%h:%p ControlMaster no All the SSH connections to the machine will then go through the persisten SSH socket. This is very useful if you are using SSH to synchronize files (using rsync/sftp/cvs/svn) on a regular basis because it won't create a new socket each time to open an ssh connection.

Use tee to process a pipe with two or more processes

Tee can be used to split a pipe into multiple streams for one or more process to work it. You can add more " >()" for even more fun.

find the 10 latest (modified) files

order the files by modification (thanks stanishjohnd) time, one file per output line and filter first 10

Easily decode unix-time (funtion)

Manipulate the metadata when the photo was taken, this will shift with +15hours + 30min

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