re-structured

This commit is contained in:
zeus 2021-01-24 15:48:33 +01:00
parent f15a95255f
commit e2466ddc8f
8 changed files with 26 additions and 20 deletions

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# oneliners
one-line-solutions, primarily bash
useful one-liners, primarily in bash

4
bash/biggest_dir_on_same_fs.sh Executable file
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#!/bin/bash
# find biggest directories in a given path without leaving the current filesystem
dir="/var/opt/gitlab"; for i in $(ls $dir); do mountpoint -q $dir/$i || du -shx $dir/$i ; done | sort -rh | head

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#!/bin/bash
# find the biggest file in an installed deb package:
export PKG=vim; for i in $(dpkg -L $PKG) ; do if [[ -f "$i" ]] && [[ ! -L "$i" ]]; then ls -lh1 $i ;fi; done | sort -k 5 -hr | head -1 | cut -d " " -f 5,9-

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#!/bin/bash
# extract base64-coded binary within a given tag in an xml (1st match)
cat file.xml | sed -n -e 's/.*<ns5\:Daten\ xmime\:contentType\=\"application\/pdf\">\(.*\)<\/ns5:Daten>.*/\1/p' | base64 -d > output_file && file output_file

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bash/find_links_to_target.sh Executable file
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#!/bin/bash
# find all links in the fs, that link to a specific target:
find / -type l -exec readlink -nf {} ';' -exec echo " -> {}" ';' | grep "/bin/bash"

5
bash/open_ports_with_telnet.sh Executable file
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#!/bin/bash
# check state for specific ports on target
for i in 80 443; do echo -e '\x1dclose\x0d' | telnet google.com $i >/dev/null; echo "$i : $?"; done

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bash/prettify_PATH.sh Executable file
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#!/bin/bash
# prettify PATH-Output:
echo $PATH | sed s/\:/\\n/g

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#!/bin/bash
# find single biggest file in an installed deb-pkg:
export PKG=vim; for i in $(dpkg -L $PKG) ; do if [[ -f "$i" ]] && [[ ! -L "$i" ]]; then ls -lh1 $i ;fi; done | sort -k 5 -hr | head -1 | cut -d " " -f 5,9-
# find all links in the fs, that link to a specific target:
find / -type l -exec readlink -nf {} ';' -exec echo " -> {}" ';' | grep "/bin/bash"
# extract base64-coded binary within a given tag in an xml (1st match)
cat file.xml | sed -n -e 's/.*<ns5\:Daten\ xmime\:contentType\=\"application\/pdf\">\(.*\)<\/ns5:Daten>.*/\1/p' | base64 -d
# prettify PATH-Output:
echo $PATH | sed s/\:/\\n/g
# check for open ports on target
for i in 80 443; do echo -e '\x1dclose\x0d' | telnet google.com $i >/dev/null; echo "$i : $?"; done
# find biggest directories in a given path without leaving the current filesystem
dir="/var/opt/gitlab"; for i in $(ls $dir); do mountpoint -q $dir/$i || du -shx $dir/$i ; done | sort -rh | head