Added an iptables rule but getting “connection reset by peer” or you still cannot connect, then read on. Run this command: sudo iptables -L –line-numbers Always backup your existing rules first: sudo iptables-save > savedrules.txt This is how you can restore your rules if you messed something up: sudo iptables-restore Read more
Refer two posts down on how to move your /tmp folder to memory (tempfs). Now symlink your Google Chrome (or Firefox) cache to /tmp (which resides in memory). rm -rf ~/.cache/google-chrome ln -s /tmp ~/.cache/google-chrome
Remember to set the sticky bit as well as nodev, noexec and nosuid for /tmp. Here is a line in fstab and the meaning of these 3 taken from the mount man page: nodev Do not interpret character or block special devices on the file system. noexec Do not allow Read more
For a while now I wanted to post this. I am running this on my PC at home because I don’t feel like doing it manually every day/week/month etc, and also because I don’t use it that often, but I still want to make sure the basic check are done. Read more
Here is an excellent resource. A bit long but really great! https://sites.google.com/site/easylinuxtipsproject/bugs#TOC-Hibernate-and-suspend-don-t-always-work-well:-they-make-some-computers-malfunction-or-even-enter-a-coma I recently bought myself an SSD hard drive for my old notebook. Well worth it! You need to make a few tweaks though to get ultimate performance and lifetime out of it. This is one of many performance Read more
Wait what? Is swappiness even an actual word? According to Google Chrome’s built in spell checker and most probably any dictionary it is not, but to any Linux user and expert out there, it most definitely is. So what is swappiness? According to Wikipedia swappiness is “is a property for Read more
type sudo blkid. You will get output like this: /dev/sda1: UUID=”9081b56d-8715-49f3-a35d-529a39d5780e” TYPE=”ext4″ PARTUUID=”c8168d71-01″ /dev/sda5: UUID=”fbd90bd5-6b1a-4088-8569-0afbf0faebab” TYPE=”swap” PARTUUID=”c8168d71-05″ /dev/sdb1: UUID=”79a6887b-0168-464e-9507-84cc1233fcb6″ TYPE=”ext4″ PARTUUID=”c3072dd0-01″ /dev/sdc1: UUID=”4E65750852A3B04A” TYPE=”ntfs” PARTUUID=”000dfe15-01″ Way at the end is the NTFS drive. Now create an /etc/fstab entry like this: UUID=4E65750852A3B04A /media/theexternal ntfs-3g permissions,nofail,auto 0 0 nofail means your pc Read more
Because /media is owned by root, plex will have issues. Add the plex user to your group: sudo addgroup plex YOURGROUP Then, open the “disks” app in ubuntu, choose your flash drive, click on the gear icon, click on Edit Mount Options, switch off auto mount, and then change the Read more
Plex is cool, but if your internet goes down, then your clients can’t always connect. So, back the the basics for me with ps3MediaServer as a backup: sudo apt-get install mencoder tsmuxer avisynth ffmpeg mplayer sudo apt-get install default-jre Download generic-linux-unix from: https://sourceforge.net/projects/ps3mediaserver/files/ Change PMS.sh and tsmuxer to be executable Read more
1.) Get your current public IP and write it to a file: dig +short myip.opendns.com @resolver1.opendns.com >> myip.txt (got this off the internet, thanks to the guy that posted this!) 2.) Read the file contents and email it: Basically, follow this tutorial: https://easyengine.io/tutorials/linux/ubuntu-postfix-gmail-smtp/ If you get an error like this Read more
OMS, the apache guys just can’t stick to a standard. But anyhow, here are some configs to do: Issue 1 (Where is my config.php) Most likely it is in /var/www/owncloud/config/config.php Issue 2 (when starting Apache) AH00558: apache2: Could not reliably determine the server’s fully qualified domain name, using 127.0.1.1. Set Read more
service cron status — check if it is running ps -ef |grep cron –another way to check if cron is running You can use the below to generate output files every XX minutes with a list of APs and stations nearby. Airodump will automatically create a new file every time Read more
I recently had to get Kali up and running on Hyper V. Here are some tips and tricks: After installation, use these sources (they might change after some time so always check the Kali website for the latest): nano /etc/apt/sources.list (and add the below) deb http://http.kali.org/kali kali-rolling main non-free contrib Read more
I sometimes get this in docker or a VM. It is related to checksum offloading onto the NIC. Diable checksum offloading: sudo apt install ethtool sudo ethtool –offload eth0 rx off tx off