Commands by nnsense (8)

  • Shows the online version of docker's man related a command

    Docker's local man pages are (often) half of what you have online, so I wanted that as local man. Install lynx and run my oneliner, then use as follows: dockpage Adjust lynx's page width at will Show Sample Output


    0
    dockpage() { lynx -width=180 --dump https://docs.docker.com/v1.11/engine/reference/commandline/$1/ | sed -n '/^Usage/,/On this page/{/On this page/b;p}'; }
    nnsense · 2017-09-18 23:53:34 24
  • Shows only ContainerID, Image, Status and names of running containers.

    Usefull, for example, when many ports are exposed and the docker ps output looks cluttered. Show Sample Output


    0
    alias dockps='docker ps --format "table {{.ID}}\t{{.Image}}\t{{.Status}}\t{{.Names}}"'
    nnsense · 2017-09-18 23:46:47 20
  • Show me just the ip address

    Sometimes it's useful to output just the ip address. Or some other information, changing the "ipv4.addresses" in command. The power of awk! Show all possible "greps" with nmcli connection show [yourInterfaceNameHere] Show Sample Output


    2
    showip() { nmcli connection show $1|grep ipv4.addresses|awk '{print $2}' ; }
    nnsense · 2015-05-13 16:24:28 15
  • Assign function keys to your frequent commands

    This is a common use of bind. Hitting any key after will output the key's character sequence. This makes possible using it into a bind command. So pressing ctrl+v and then F2 will output "^[[12~", once binded every time you'll press the function key F2 it will execute your command. Added the \n to make it execute it as well. Show Sample Output


    1
    bind '"<ctrl+v><functionKey>":"command\n"'
    nnsense · 2015-05-11 17:59:09 12
  • Most used commands from history (without perl)

    I copied this (let's be honest) somewhere on internet and I just made it as a function ready to be used as alias. It shows the 10 most used commands from history. This seems to be just another "most used commands from history", but hey.. this is a function!!! :D Show Sample Output


    1
    mosth() { history | awk '{CMD[$2]++;count++;}END { for (a in CMD)print CMD[a] " " CMD[a]/count*100 "% " a;}' | grep -v "./" | column -c3 -s " " -t | sort -nr | nl | head -n10; }
    nnsense · 2015-05-11 17:41:55 19
  • Listing package man page, services, config files and related rpm of a file, in one alias

    Many times I give the same commands in loop to find informations about a file. I use this as an alias to summarize that informations in a single command. Now with variables! :D Show Sample Output


    2
    fileinfo() { RPMQF=$(rpm -qf $1); RPMQL=$(rpm -ql $RPMQF);echo "man page:";whatis $(basename $1); echo "Services:"; echo -e "$RPMQL\n"|grep -P "\.service";echo "Config files:";rpm -qc $RPMQF;echo "Provided by:" $RPMQF; }
    nnsense · 2015-05-11 16:46:01 13
  • Which .service related this file?

    I use this as an alias to get all .service files related a single installed file/conf (if it has services, of course). For rpm based systems ;) Show Sample Output


    1
    qf2s() { rpm -ql $(rpm -qf $1)|grep -P "\.service"; }
    nnsense · 2015-05-11 16:32:16 9
  • Fast command-line directory browsing

    Not really alternative, just giving a different behavior listing current directory if no directory given.


    1
    cdls() { if [[ $1 != "" ]] ; then cd $1; ls; else ls; fi };
    nnsense · 2015-05-11 15:52:09 12

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Which processes are listening on a specific port (e.g. port 80)
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When was your OS installed?
Show time and date when you installed your OS.

Tail -f at your own pace
The -s option allows you to specify the update interval

Get a docker container's run command line
A good way to build a new container when you don't remember how you did it the first time

Perl oneliner to print access rights in octal format
This prints file access rights in octal - useful when "stat" is unavailable.

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Geolocate a given IP address
Defines a function to geolocate a given IP address; if none supplied, will default to your external IP address.

Extract the emoticons regex from a running skype process
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.

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