Convert m4b to mp3 on Centos/Fedora using ffmpeg
karlofor m4b in *.m4b; do ffmpeg -i $m4b -acodec libmp3lame -ar 22050 ${m4b}.mp3; done
Bash remove spaces from file names
find . -depth -name '* *' \ | while IFS= read -r f ; do mv -i "$f" "$(dirname "$f")/$(basename "$f"|tr ' ' _)" ; done
AWK print longest line in file
awk '{ if (length($0) > max) {max = length($0); maxline = $0} } END { print maxline }' YOURFILE
Outlook unblock “unsafe” attachments
Regedit, find: Outlook 2007 [HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Outlook\Security] Outlook 2010 [HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Outlook\Security] Outlook 2013 [HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Security] Outlook 2016, Outlook 2019 and Office 365 [HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Security] Level1Remove string Value .cer;.exe;.xxx for the stuff you want to unblock.
NPM (node) install fail as root
Do not install as root, or use --unsafe-perm
Windows “File is open in another program” (lsof in windows)
First get handle: https://docs.microsoft.com/en-us/sysinternals/downloads/handle Run handle once without searching for anything, to accept license. Run in a CMD AS ADMIN: handle64.exe > output.txt . Find the file you want. Then…
Extend a LVM-based swap partition
Sometimes your swap is not large enough [root@server ~]# free -g total used free shared buff/cache available Mem: 23 3 13 0 7 19 Swap: 1 0 1 [root@server ~]#…
Fix bricked firmware update jabra (evolve)
Get firmware from support site. Then update via "C:\Program Files (x86)\Jabra\SDKFirmwareUpdater\JabraFwUpdater.exe"
Tmux save all output (history) to file
bind-key P command-prompt -p 'save history to filename:' -I '~/tmux.history' 'capture-pane -S -32768 ; save-buffer %1 ; delete-buffer' Add above in tmux.conf. Then do Prefix+Shift+P
Upgrade dumb shell to interactive shell (tty)
python -c 'import pty; pty.spawn("/bin/bash")' yay python
Excel return last line of multi line cell
=TRIM(RIGHT(SUBSTITUTE(B5,CHAR(10),REPT(" ";200));200)) Especially useful for project trackers. Add a LEFT(XXX;10) for returning dates.
Keeping a (GitHub) fork up to date with upstream master
1. Clone your fork: git clone git@github.com:YOUR-USERNAME/YOUR-FORKED-REPO.git 2. Add remote from original repository in your forked repository: cd into/cloned/fork-repo git remote add upstream git://github.com/ORIGINAL-DEV-USERNAME/REPO-YOU-FORKED-FROM.git git fetch upstream 3. Updating your…
MySQL / MariaDB DB and user creation
create user 'nextcloud'@'localhost' identified by 'xxx'; create database nextcloud; grant all privileges on nextcloud.* to 'nextcloud'@'localhost' identified by 'xxx'; FLUSH PRIVILEGES;
AutoRecon over proxychains
Since we have no icmp/ping over proxychains, we have to change syntax a bit ~/svn/proxychains-ng/proxychains4 -f ~/proxychains.conf ~/svn/AutoRecon/autorecon.py --nmap '\-sT \-Pn' 10.1.1.{1,224,235,246,248}
Set scp port
scp -P 80 … yes, capital P
Find Linux architecture without arch command
getconf LONG_BIT though uname -a should help too
GNOME add minimize maximize
I think I had a blog like this before. Apparently not. Adding minimize and maximize buttons to gnome (in kali for example, if you cannot update:) gsettings set org.gnome.desktop.wm.preferences button-layout…
Linux run (ELF) binary without execute rights
/lib/ld-linux.so /bin/chmod +x /bin/chmod or find your own ld location
Linux perform action on file change (like recompile or re-render)
yum install inotify-tools while inotifywait page.html ; do weasyprint page.html page.pdf ; done
Compiling: “bad register name `%rsp'”
Check if the arch you are compiling for (or in) has the register you try. For example the rsp register is x86_64, not x86...
Problem building Virtualbox modules on Centos (cannot generate ORC metadata)
Guest Additions 6.0.14 module for kernel 4.18.0-80.11.2.el8_0.x86_64. Error building the module. Build output follows. make V=1 CONFIG_MODULE_SIG= -C /lib/modules/4.18.0-80.11.2.el8_0.x86_64/build M=/tmp/vbox.0 SRCROOT=/tmp/vbox.0 -j2 modules make: warning: -jN forced in submake: disabling…
Vim case insensitive searching /\csearch
use \c before your search string For example: /\csearch will find Search.
Find windows version from commandline (cmd)
use systeminfo . Running might take 10 seconds.
Windows identify user (‘whoami’ is not recognized as an internal or external command,)
Whoami binary, or type "set" and see if it is in the vars.Download
Running compiled code sh: [10665: 4] tcsetattr: Invalid argument error
Compiling exploit and getting the sh: tcsetattr: Invalid argument error? It helps to compile on a similar box. Find what linux runs your same kernel version+arch and compile there. Centos…
Bash sort IPs naturally
sort -t . -k 3,3n -k 4,4n IPs
Sample systemd unit file
Description=Sonarr Daemon After=syslog.target network.target User=sonarr Group=sonarr Type=simple ExecStart=/usr/bin/mono /opt/sonarr/bin/NzbDrone.exe -nobrowser -data /opt/sonarr TimeoutStopSec=20 WantedBy=multi-user.target
bash add IP in PWD to variable for easy reference
Add to .bashrc: export PROMPT_COMMAND="${PROMPT_COMMAND:+$PROMPT_COMMAND ;} ip=\$( echo \$PWD | grep -oE '{1,3}\.{1,3}\.{1,3}\.{1,3}' ) " Now if you browse to/in a directory which has an ipv4 ip, the IP will…
Easy AutoRecon summary (bash)
echo "===SUMMARY===";grep . */report/notes.txt| while read line; do IP=$( echo -ne $line|cut -d'/' -f1| tr -d '\n' ); ] && echo; echo -n $IP ; echo -n $line | cut…