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If I want to add a line to fstab or another system file, I execute the following in the command line. Example: echo 'line1' | sudo tee --append /etc/fstab echo 'line1' | sudo tee --append /etc/apache …

How to cat/grep string into several files semicolon delimited to capture mac address. Example: Folder: /home/acl acl Files: acl1 acl2 string format info acl files: a;mac address;ip address …

Based on this rules, i am trying to block arp spoofing attack with "arptables" from a ubuntu server that controls local network traffic, but my rule doesn't stop it macs.txt contains the mac addresse …

Some .rar files by volume do not end in .r00 or similar. then the following happens: If I run in command line: 7z x -y -pfoo "file (1).rar" And it is a file per volume, but the next volume is file (2 …

I have this configuration Ubuntu 18.04: sudo nano /etc/sysctl.d/99-sysctl.conf net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 net.ipv6.conf.lo.disable_ipv6 = 1 sudo sysctl …

This is my bash script into init.d: #!/bin/bash case "$1" in 'start') # mount bindfs -n /home/my_user/.local/share/Cryptomator/mnt /home/my_user/drivefolder ;; 'stop') fusermount -u / …

this is my bash script (there are others similars HERE and HERE): #!/usr/bin/env bash pkgs='main-program dependency1 dependence2' if ! dpkg -s $pkgs >/dev/null 2>&1; then wget main-program.deb && ap …

I have a list of urls and I need to debug it, eliminating those that are invalid or dead. For this I use the following script in bash (based on this post): #!/bin/bash while read LINE; do curl -o …

In this example, I mention that I have 2 lists. list1 x;00:26:82:50:00:00;192.168.1.195;COMPUTER1 x;00:26:82:50:11:11;192.168.1.195;COMPUTER2 x;00:26:82:50:22:22;192.168.1.196;COMPUTER3 list2 x;00:2 …

If we want to block an extension in our firewall, we can use a rule similar to this: example iptables rules: iptables -A INPUT -p tcp -m string --string ".exe" --algo bm -j DROP Or we can do it in …

I have a disk (A) (hard drive SATA 2 TB 3.5) and I have a NAS D-Link DNS-320L (with exact model of hard drive SATA 2 TB 3.5). Both connected to a router (local network), 192.168.1.3 and 192.168.1.2 re …

In Linux, pCloud is an appimage. …

i run this command find BAR -type f -mtime +1095 # older than 3 years and find this file: BAR/foo.pdf So i run this: stat BAR/foo.pdf Access: 2020-01-03 01:32:05.584393000 -0500 Modification: 2017-1 …

i run this script but this have a problem with extract rar multiparts #!/usr/bin/env bash shopt -s extglob nullglob passw=( passfoo passbar passfoobar banana chocolate whiskey vodka …

If I have a 2 lists that contain the following (examples): list1 x;00:26:82:50:00:00;192.168.1.195;COMPUTER1 x;00:26:82:50:11:11;192.168.1.195;COMPUTER2 x;00:26:82:50:22:22;192.168.1.196;COMPUTER3 l …