Change tmux default shell
Edit tmux.conf vim ~/.tmux.conf Append this line: set-option -g default-shell $SHELL Restart tmux tmux kill-server tmux
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Change admin passwords
System sudo passwd root MySQL mysqladmin -u root -p password PostgreSQL sudo -u postgres psql -U postgres -h 127.0.0.1 -d postgres -c "ALTER USER postgres WITH PASSWORD 'newpassword';" Gitlab GLPI...
View Articlep7zip – file archiver
p7zip is the Unix command-line port of 7-Zip, a file archiver that handles the 7z format which features very high compression ratios. p7zip provides: – /usr/bin/7zr – a standalone minimal version of...
View ArticleSublime editor on Debian
Installation https://www.sublimetext.com/3 sudo dpkg -i sublime-text_build-xxxx_amd64.deb Dracula Theme https://draculatheme.com/sublime/ Preferences -> Color Scheme -> Dracula Color Scheme ->...
View ArticleLinux notes and scripts for every day use
https://github.com/SwiftOnLinux/SmokingLinuxEveryDay Contents apache archlinux backup database debian dev documents encryption environment files gentoo misc openvpn samuraistfu security system web
View ArticleApache2 and Django installation on Debian
Install Apache2 sudo apt-get install apache2 -y sudo rm -f /var/www/html/index.html && sudo touch /var/www/html/index.html sudo a2enmod ssl sudo a2ensite default-ssl sudo service apache2...
View ArticleCreate an encrypted file container in Linux
Installations sudo apt-get install cryptsetup Create an empty file with the size of your container (e.g. 100MB) fallocate -l 100M mycontainer.img or dd if=/dev/urandom of=mycontainer.img bs=1M...
View ArticleApache Web Server Hardening & Security Script
Tested on Debian 9.x https://github.com/maldevel/blue-team Become root sudo su - Hide Apache2 version echo "ServerSignature Off" >> /etc/apache2/apache2.conf echo "ServerTokens Prod" >>...
View ArticleLinux Users Hardening & Security Script
Tested on Debian 9.x https://github.com/maldevel/blue-team Set Maximum number of days a password may be used sed -i "s/^PASS_MAX_DAYS.*/PASS_MAX_DAYS 90/" /etc/login.defs Set Minimum number of days...
View ArticleBasic iptables security script
Tested on Debian 9.x https://github.com/maldevel/blue-team Install iptables apt -y install iptables Install iptables-persistent apt -y install iptables-persistent systemctl enable netfilter-persistent...
View ArticleNetwork Hardening & Security Script
Tested on Debian 9.x https://github.com/maldevel/blue-team Disable IP forwarding sed -i "s/#net.ipv4.ip_forward=1/net.ipv4.ip_forward=0/" /etc/sysctl.conf sysctl -w net.ipv4.ip_forward=0 Disable packet...
View ArticleSSH Hardening & Security Script
Tested on Debian 9.x https://github.com/maldevel/blue-team Set /etc/ssh/sshd_config ownership and access permissions chown root:root /etc/ssh/sshd_config chmod 600 /etc/ssh/sshd_config Change Port sed...
View ArticleNginx Hardening & Security Script
Tested on Debian 9.x https://github.com/maldevel/blue-team Hide nginx version sed -i "s/# server_tokens off;/server_tokens off;/g" /etc/nginx/nginx.conf Remove ETags sed -i 's/server_tokens...
View ArticleEncrypting a second hard drive
Open GParted and delete all partitions on the disk you want to encrypt Encrypt the partition sudo cryptsetup -y -v luksFormat /dev/sda Decrypt the new partition so that you can format it with ext4 sudo...
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