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Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.
Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):
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Usage: google "[search string]"
Example: google "something im searching for"
This will launch firefox and execute a google search in a new tab with the provided search string.
You must provide the path to your Firefox binary if using cygwin to $ff or create an alias like follows:
alias firefox='/cygdrive/c/Program Files (x86)/Mozilla Firefox/firefox.exe'
Most Linux flavors with Firefox installed will use just ff="firefox" and even OSX.
Quickly remove the conflicting line (key) from current users known_hosts file when there is an SSH host conflict. Very nice when you get tired of writing out full commands. Ideally you would place this into your .bash_profile
Usage: rhost [n]
Example: rhost 33 (removes line 33 from ~/.ssh/known_hosts)
Function assumes the $HOME exists, you could alternatively use "~/.ssh/known_hosts"
Mac OSX likes a space for sed -i "$1" d
Automatically drops mount points that have non-numeric sizes (e.g. /proc). Tested in bash on Linux and AIX.
basic find implementation for systems that don't actually have find, like an android console without busybox installed.
The expression $(( $RANDOM * 6 / 32767 + 1 )) generates a random number between 1 and 6, which is then inserted into the escape sequence \e[3_m to switch the foreground color of the terminal to either red, green, yellow, blue, purple or cyan.
The color can be reset using the escape sequence \e[0m.
The full list of colors can be found here: https://wiki.archlinux.org/index.php/Color_Bash_Prompt#List_of_colors_for_prompt_and_Bash
This command takes all CR2 files in the current directory and convert them into JPG
Using PHP shell to URL decode a string.
[root@dhcppc1 windows]# cat /var/log/honeylog.log
Connection from 192.168.1.71 port 21 [tcp/ftp] accepted
Connection from 192.168.1.65 port 21 [tcp/ftp] accepted
[root@dhcppc1 windows]# nc 192.168.1.65 21
220 ProFTPD 1.3.3c Server [ProFTPD]
FAILED FTP ATTEMPT - PORT 21
*You can not run it if you have activated the ftp server.
grep по ps aux
change gpeXX by the culprit you discovered on phase 1
In case of this example, the culprit is the biggest number, ie, gpe1C
/sys/firmware/acpi/interrupts/ff_gbl_lock: 0 enabled
/sys/firmware/acpi/interrupts/gpe01: 0 enabled
/sys/firmware/acpi/interrupts/gpe06: 0 enabled
/sys/firmware/acpi/interrupts/gpe17: 2 enabled
/sys/firmware/acpi/interrupts/gpe18: 0 enabled
/sys/firmware/acpi/interrupts/gpe1C: 19 enabled
This procedure,if solved this universal issue all linix distros are experimenting for more than 2 years, may be included at startup, via cron. But try first commandline.
Need to encrypt something from the command line? I've used this before to encrypt passwords with a master password that was shared amongst a team.
~$ echo -n 'jA0EAwMCPdknsznAww5gySL1/quqhXg6QgQkIz5abzGP5EZgTbXCFU+y6dP8ySWovytc' | base64 --decode | gpg --decrypt
gpg: CAST5 encrypted data
Enter passphrase: secret
gpg: encrypted with 1 passphrase
Copies a directory structure from /home/ to /backups/home (notice that the destination does not have a trailing slash)
Prints an easy-to-copy color code for each color.
Really helpfull when play with files having spaces an other bad name. Easy to store and access names and path in just a field while saving it in a file.
This format (URL) is directly supported by nautilus and firefox (and other browsers)
outputs a f=220Hz guitar string sound (fifth string A)
some numbers have strange output!
some numbers output nothing!
some numbers will kill your terminal! even logout when running in tty
but i don't know why! can anyone explain it to me?
use it to add a random boolean switch to your script
use it to stagger cronjob or to get a random number
increase the range by replacing 100 with your own max value
This command is useful for searching through a whole folder worth of pdf files.