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pid list by httpd listen port

% lsof -v lsof version information: revision: 4.78
This is sample output - yours may be different.
-1

lsof | awk '/*:https?/{print $2}' | sort -u

sugitaro · 2011-02-04 01:37:17 3
Print RPM dependencies

Needs rpmorphan installed Show Sample Output
This is sample output - yours may be different.
```
filesystem
glibc
glibc-common
libgcc
ncurses-base
ncurses-libs
nss-softokn-freebl
setup
tzdata
```
-1

ruby -e 'puts `rpmdep glibc`.split(",")[2..-1]'

rubiojr · 2011-10-26 16:44:59 4
find and output files content with filtering by filename and specific string
This is sample output - yours may be different.
-1

find . -name *.properties -exec /bin/echo {} \; -exec cat {} \; | grep -E 'listen|properties'

altern · 2014-02-17 02:25:49 7
Make syslog reread its configuration file
This is sample output - yours may be different.
-1

pkill -HUP syslogd

rimaya · 2009-02-09 09:32:06 8
delete a file and links based on inode number.

This command, when run from the directory containing "filename", will remove the file and any hard or symbolic links to the file.
This is sample output - yours may be different.
-1

ls -ai | grep filename | find . -inum `awk '{print $1}'` -exec rm {} \;

YogiBare · 2011-02-04 10:29:54 7
Print the lastest stable version of Perl

This uses wget instead of curl
This is sample output - yours may be different.
-1

wget -q -O - http://www.perl.org/get.html | grep -m1 '\.tar\.gz' | sed 's/.*perl-//; s/\.tar\.gz.*//'

dbbolton · 2011-08-19 23:38:10 3
glance
This is sample output - yours may be different.
-1

glance -m

zjs_cha · 2014-05-27 02:21:10 7
Remove everything except that file

This is a slight variation of an existing submission, but uses regular expression to look for files instead. This makes it vastly more versatile, and one can easily verify the files to be kept by running ls | egrep "[REGULAR EXPRESSION]"
This is sample output - yours may be different.
-1

ls | egrep -v "[REGULAR EXPRESSION]" | xargs rm -v

Saxphile · 2010-04-01 02:40:40 4
MySQL: Find an instance of a populated table across numerous databases

Pulls all instances of table out of information schema, executes a SELECT COUNT(*) on each table/database instance, and then strips out any empty tables. Show Sample Output
This is sample output - yours may be different.
```
sandbox_cathdrwg_client1: 1
sandbox_cathdrwg_client2: 5
sandbox_cathdrwg_client3: 1
```
-1

TABLE_NAME=YYZ ; for DATABASE in $(echo "SELECT TABLE_SCHEMA FROM information_schema.tables WHERE TABLE_NAME='$TABLE_NAME'" | mysql -N) ; do echo -n "$DATABASE: " ; echo "SELECT COUNT(*) FROM $TABLE_NAME" | mysql $DATABASE -N ; done | fgrep -v ': 0'

MutinyEnigmatic · 2011-12-08 16:31:36 3
Reset ownership of a folder/subfolders
This is sample output - yours may be different.
-1

TAKEOWN /A /R /F c:\SomeFolder

mokico · 2013-08-29 01:43:29 13
ps to show child thread PIDs
This is sample output - yours may be different.
-1

ps -efL | grep <Process Name>

tsener · 2014-09-11 16:35:31 8
keytool using BouncyCastle as security provider to add a X509 certificate

This command imports the certificate file cert.pfx into the keystore file, using BouncyCastle as security provider. It was validated using - OpenJDK Runtime Environment (Zulu 8.36.0.1-CA-linux64) - Java(TM) SE Runtime Environment (build 1.8.0_192-ea-b04) - OpenJDK Runtime Environment (build 9.0.4+11) - OpenJDK Runtime Environment 18.9 (build 11.0.2+9) Show Sample Output
This is sample output - yours may be different.
```
keytool -importcert \
    -providerpath bcprov-jdk15on-1.60.jar \
    -provider org.bouncycastle.jce.provider.BouncyCastleProvider \
    -storetype BCPKCS12 \
    -storepass <passphase> \
    -trustcacerts \
    -alias 'aliascert' \
    -file <filename.cer> \
    -keystore keystore
Owner: SERIALNUMBER=XXXXXXXXXX, OU=XXXX, OU=XX, O=XXXXXXXX, C=XX
Issuer: O=XXXXXXX, C=XX
Serial number: XXXXXXXX
...
...
Trust this certificate? [no]:  yes
Certificate was added to keystore
```
-1

keytool -importcert -providerpath bcprov-jdk15on-1.60.jar -provider org.bouncycastle.jce.provider.BouncyCastleProvider -storetype BCPKCS12 -trustcacerts -alias <alias> -file <filename.cer> -keystore <filename>

andresaquino · 2019-02-25 08:39:05 31
Friendly command-not-found message.

This will give you a friendly warning if a command doesn't exists. Show Sample Output
This is sample output - yours may be different.
```
$ aptitypo
...
```
-1

command_not_found_handle() { echo 6661696c626f61742e2e2e0a | xxd -p -r; }

unixmonkey7301 · 2009-12-03 21:33:35 4
Keep SSH tunnel open (PostgreSQL example)

Check if SSH tunnel is open and open it, if it isn't. NB: In this example, 3333 would be your local port, 5432 the remote port (which is, afaik, usually used by PostgreSQL) and of course you should replace REMOTE_HOST with any valid IP or hostname. The example above let's you work on remote PostgreSQL databases from your local shell, like this: psql -E -h localhost -p 3333
This is sample output - yours may be different.
-1

while true; do nc -z localhost 3333 >|/dev/null || (ssh -NfL 3333:REMOTE_HOST:5432 USER@REMOTE_HOST); sleep 15; done

rxw · 2015-09-21 02:25:49 11
keytool using BouncyCastle as security provider to add a PKCS12 certificate store

This command imports the keystore file cert.pfx into the keystore file, using BouncyCastle as security provider. It was validated using - OpenJDK Runtime Environment (Zulu 8.36.0.1-CA-linux64) - Java(TM) SE Runtime Environment (build 1.8.0_192-ea-b04) - OpenJDK Runtime Environment (build 9.0.4+11) - OpenJDK Runtime Environment 18.9 (build 11.0.2+9) Show Sample Output
This is sample output - yours may be different.
```
keytool -importkeystore \
    -providerpath bcprov-jdk15on-1.60.jar \
    -provider org.bouncycastle.jce.provider.BouncyCastleProvider \
    -srckeystore cert.pfx \
    -srcstoretype pkcs12 \
    -srcalias 1 \
    -destkeystore keystore \
    -deststoretype BCPKCS12 \
    -destalias 'mycert'
Importing keystore cert.pfx to keystore...
```
-1

keytool -importkeystore -providerpath bcprov.jar -provider BouncyCastleProvider -srckeystore <filename.pfx> -srcstoretype pkcs12 -srcalias <src-alias> -destkeystore <filename.ks> -deststoretype BCPKCS12 -destalias <dest-alias>

andresaquino · 2019-02-25 08:40:18 30
Quickly create simple text file from command line w/o using vi/emacs

thx Montecristo, thx hckhckhck
This is sample output - yours may be different.
-1

cat > {filename} {your text} [^C | ^D]

sphere64 · 2010-06-03 09:02:12 3
Deleting a remote git branch (say, by name 'featureless')

This will delete the branch 'featureless' on the origin remote. Do not forget to delete the branch locally using: git branch -d featureless 'I got it here'-credit: http://gitready.com/beginner/2009/02/02/push-and-delete-branches.html I duplicated here incase you stumbled here first. Show Sample Output
This is sample output - yours may be different.
```
$ git push origin :featureless
To git@github.com:yourname/yourproject.git
 - [deleted]         featureless
```
-1

git push origin :featureless

b_t · 2011-06-02 14:53:31 3
Check if *hardware* is 32bit or 64bit
This is sample output - yours may be different.
-1

uname -m

wee0x1b · 2013-02-15 17:23:44 4
Return IP Address

Tested on Solaris.
This is sample output - yours may be different.
-1

/usr/sbin/ifconfig -a|awk -F" " 'NR==4{print $2}'

elZaphod · 2009-12-04 18:41:29 4
Show a Package Version on Debian based distribution

If there is update available for the package you can see upgrade is from which version to which version. Also you will get detail about which release the package belongs to (stable/testing/sid). Show Sample Output
This is sample output - yours may be different.
```
apt-show-versions iceweasel 
iceweasel/sid uptodate 3.5.9-3

apt-show-versions kdebase-runtime
kdebase-runtime/sid upgradeable from 4:4.4.3-1 to 4:4.4.4-1
```
-1

apt-show-versions <packagename>

Vasudev · 2010-06-03 15:52:11 4
this svn script will commit all files excluding those with extensions {.project .classpath .properties .sh .number} and those with Status Modified or Added {M or A}
This is sample output - yours may be different.
-1

svn st | grep -e [MA] | egrep -ve '.project|.classpath|.properties|.sh|.number' | awk -F' ' '{ print $2}' | xargs svn ci -m "message"

drunkcoder · 2011-03-10 15:32:36 6
Describe differences between files

Using sed to print newlines as doing it in one line with diff is non-trivial.
This is sample output - yours may be different.
-1

diff --changed-group-format='differs from line %dF to line %dL|' --unchanged-line-format='' $FILE1 $FILE2 | sed 's/|/\n/'

dullgiulio · 2011-06-02 15:04:36 3
execute a shell with netcat without -e

uses fifo and sets to a specific port. In this case 4201.
This is sample output - yours may be different.
-1

mkfifo ._b; nc -lk 4201 0<._b | /bin/bash &>._b;

gt · 2011-08-21 05:22:41 3
Create nthash
This is sample output - yours may be different.
-1

echo -n "password" | iconv -t utf-16le | openssl dgst -md4

damncool · 2011-09-22 16:29:41 3
Tshark to Generate Top Talkers by #TCP conv started per second.

#_connects src_IP dst_IP When_It_Happened_Secs Show Sample Output
This is sample output - yours may be different.
```
 23 208.127.211.141 170.135.216.181 7
  22 67.142.174.23 170.135.216.181 12
  20 157.93.242.50 170.135.216.181 6
  19 67.142.174.23 170.135.216.181 11
  17 67.160.80.189 170.135.216.181 11
  
```
-1

tshark -qr [cap] -z conv,tcp | awk '{printf("%s:%s:%s\n",$1,$3,$10)}' | awk -F: '{printf("%s %s %s\n",$1,$3,substr($5,1,length($5)-10))}' | sort | uniq -c | sort -nr

knassery · 2012-10-16 06:39:01 4
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list block devices

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

Download all images from a 4chan thread

First (and only) argument should be a 4chan thread URL.

Which processes are listening on a specific port (e.g. port 80)

swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

sniff network traffic on a given interface and displays the IP addresses of the machines communicating with the current host (one IP per line)

Bitcoin Brainwallet Private Key Calculator

A bitcoin "brainwallet" is a secret passphrase you carry in the "wallet" of your brain. The Bitcoin Brainwallet Private Key Calculator calculates the standard base58 encoded bitcoin private key from your "brainwallet" passphrase. The private key is the most important bitcoin number. All other numbers can be derived from it. This command uses 3 other functions - all 3 are defined on my user page: 1) brainwallet_exponent() - search for Bitcoin Brainwallet Exponent Calculator 2) brainwallet_checksum() - search for Bitcoin Brainwallet Exponent Calculator 3) b58encode() - search for Bitcoin Brainwallet Base58 Encoder Do make sure you use really strong, unpredictable passphrases (30+ characters)! http:brainwallet.org can be used to check the accuracy of this calculator.

Pretty-print user/group info for a given user

Replace spaces in filenames with underscores

It's the rename-tool from debians perl-package.

Browse shared folder when you're the only Linux user

Under Ubuntu smbclient is part of the samba package. With the version I use (3.0.28a) cd-ing into folders with spaces in the name is a drag. You have to put the folder name in quotes: smb: \Shared\> cd "Marketing and PR"

Have a smile

Outputs utf-8 smileys

Currency Conversion

This works in Mac OS X (10.6.2) (natively comes with curl) usage: currency_convert $1(amount) $2(from_denomination) $3(to_denomination)

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