https://wuseman.github.io/wcloner/
Works for debian and ubuntu based distros. Show Sample Output
The fact that Linux exposes the ACPI tables to the user via sysfs makes them a gold mine of valuable hardware information for low-level developers. Looping through each of them and disassembling them all makes them even more valuable.
faster than lsof by at least x2 on my box.
This command puts all the flags of the USE variable actually used by the packages you emerged to the file "use", and those which are unused but available to the file "notuse"
This works on my ubuntu/debian machines. I suspect other distros need some tweaking of sort and cut. I am sure someone could provide a shorter/faster version.
additionally use "find /etc/cron*" for cronscripts Show Sample Output
Skype has an internal regex which depicts the emoticons it supports. However you cannot simply search the binary file for it. This small 181 character line will do just that, provided skype is running. And of course, only works in linux. Show Sample Output
Should work on all systems that use dpkg and APT package management. Show Sample Output
Using DynDNS or a similar service not only allows access to your home machine from outside without needing to know what IP the ISP has assigned to it but it also comes in handy if you want to know your external IP address. The only purpose of the sed command is to remove the leading "host.na.me has address " part from the output. If you don't need to discard it you can simply use
host $HOSTNAME
It never ends Show Sample Output
If you still connect to your wireless access point manually and need to use wpa_supplicant, the above fu will grep all of the known SSID from your wpa_supplicant.conf file, present it in a Zenity list and return the SSID name you choose. I've wrapped this command in to a bash script that then up's the interface, associates and autenticates. Saves me from using NetworkManager ;)
Sort .avi movies by time length, print the longest first, and so on... Show Sample Output
Uses mime-type of files rather than relying on file extensions to find files of a certain type.
This can obviously be extended to finding files of any other type as well.. like plain text files, audio, etc..
In reference to displaying the total hours of video (which was earlier posted in command line fu, but relied on the user having to supply all possible video file formats) we can now do better:
find ./ -type f -print0 | xargs -0 file -iNf - | grep video | cut -d: -f1 | xargs -d'\n' /usr/share/doc/mplayer/examples/midentify | grep ID_LENGTH | awk -F "=" '{sum += $2} END {print sum/60/60; print "hours"}'
The command gives size of all files smaller than 1024k, this information, together with disk usage, can help determin file system parameter (e.g. block size) or storage device (e.g. SSD v.s. HDD). Note if you use awk instead of "cut| dc", you easily breach maximum allowed number of records in awk. Show Sample Output
get a list of currently running oracle dbs (identified by the pmon process) show the executable that spawned the process and show the ORACLE_HOME relative to the environment within which the process is running tailored to AIX (sed on linux behaves...differently) suggestions for a better way...please.
not the best, uses 4 pipes!
The ^python$ is a package name patten. You can change whatever you want. Show Sample Output
you will hear how many seconds since 1.1.1970 in english words with billions, millions and thousands. this is very useful, if you want to get over to use the unixtimestamp instead of the 24 hour clock in your dayly life Show Sample Output
if you need to install cron jobs in a given time range. Show Sample Output
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