CA cert
> System > Certificates
> [Add new]
Name: ca
Country: UA
Common name: ca
Key size: 4096
Key Usage: key cert. sign
AndersonIncorp
AndersonIncorp
/ mikrotik-ovpn.md
Last active
March 5, 2022 22:54
Short guide for setting up MikroTik ovpn server
View mikrotik-ovpn.md
AndersonIncorp
/ arch-openvpn-udp-tcp-server.md
Last active
March 5, 2022 21:27
MIT License; Short guide for setting up openvpn-server service (tcp+udp), full network (redirect-gateway def1); Optional - Second VPS with traffic redirect to first via iptables; Optional - SSH tunneling for DPI prevention (pubkey)
View arch-openvpn-udp-tcp-server.md
$ pacman -S openvpn easy-rsa
$ cp -a /etc/easy-rsa/. /etc/easy-rsa-clientnet/
$ cd /etc/easy-rsa-clientnet/
$ export EASYRSA=$(pwd)
$ easyrsa init-pki
$ easyrsa build-ca nopass
$ easyrsa gen-req server nopass
$ easyrsa sign-req server server
AndersonIncorp
/ install.md
Created
June 29, 2018 16:36
Install any linux distro on VPS with low RAM, locked ISO boot
View install.md
Overview
Scenario
- Your VPS provider doesn't support ISO mount
- Your VPS has low RAM and cannot load whole ISO image
- Your current
/bootis to small to contain ISO file
Workaround
- Boot low memory ISO (CorePure64.iso ~ 14MB)
- Create new partition ~1GB / size of your ISO
ddyour ISO into that partition
View netboot.xyz.md
Install netboot.xyz.lkrn into grub
wget https://boot.netboot.xyz/ipxe/netboot.xyz.lkrn -O /boot/netboot.xyz.lkrn
nano /etc/grub.d/40_custom
#/etc/grub.d/40_custom
menuentry "netboot.xyz.lkrn" {
linux16 (hd0,msdos1)/netboot.xyz.lkrn # /boot is (hd0,msdos1) drive
}
#
# One of
AndersonIncorp
/ build-php-zts7.2.1-archlinux.txt
Created
March 25, 2018 19:04
build-php-zts7.2.1-archlinux.txt php-zts7.2.1 or php7.2.1 without conflict with main php
View build-php-zts7.2.1-archlinux.txt
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| # ! /bin/bash | |
| # Build of php-zts OR php (if remove --enable-maintainer-zts flag) as second php into /usr/local/php/php-zts7.2.1 | |
| # Based on | |
| # https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=php-zts | |
| mkdir -p /root/aur-php/ | |
| cd /root/aur-php/ | |
| curl -O https://aur.archlinux.org/cgit/aur.git/snapshot/php-zts.tar.gz | |
| tar -xzf php-zts.tar.gz -C patch | |
| curl -O -L https://php.net/distributions/php-7.2.1.tar.xz |
AndersonIncorp
/ instal_bind.txt
Last active
November 5, 2017 17:07
DNS Self hosted subzone *.ip.example.com.
View instal_bind.txt
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| ### Install BIND | |
| # https://wiki.archlinux.org/index.php/BIND | |
| pacman -S bind | |
| ### Configure named.conf | |
| # cp /etc/named.conf /etc/named.conf.bak | |
| # nano /etc/named.conf | |
| # diff /etc/named.conf.bak /etc/named.conf | |
| 9c9 | |
| < // listen-on-v6 { any; }; | |
| --- |
AndersonIncorp
/ postfix.md
Last active
January 24, 2022 22:51
postfix && dovecot virtual email setup (redirect to gmail+alias from domain)
View postfix.md
postfix && dovecot virtual email setup (redirect to gmail+alias from domain)
Example shows 2 domains in 1 IP address && 1 postfix instance. All redirected to Gmail.
First domain used as myhostname and is main domain. Others is virtual_alias_domains
Dovecot configured to use passwd database without IMAP && POP3. SMTP auth only
Gmail configured to send emails from our domains (using smtp TLS port 25).
DNS && SPF && PTR records. Example provided.
Brief config overview
Domains /etc/postfix/main.cf
AndersonIncorp
/ fix.sh
Created
May 23, 2017 12:53
GRUB loading. Welcome to GRUB! error: file `/boot/grub/i386-pc/normal.mod` not found.
View fix.sh
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| # GRUB loading. | |
| # Welcome to GRUB! | |
| # | |
| # error: file `/boot/grub/i386-pc/normal.mod` not found. | |
| # Entering rescue mode... | |
| grub rescue> ls | |
| hd(0) (hd0,msdos1) | |
| grub rescue> set | |
| cmdpath=(hd0) | |
| prefix=(hd0,msdos1)/boot/grub |
AndersonIncorp
/ .bash_login
Last active
July 10, 2018 19:42
Present info on terminal/ssh login. ~/.bash_login file
View .bash_login
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| #!/bin/bash | |
| ## SSH Check | |
| if [ -n "$SSH_CONNECTION" ] && [ "$SHLVL" == "1" ]; then | |
| ## pacman -S pacman-contrib | |
| ## https://unix.stackexchange.com/questions/119126 | |
| stat_mem=$(free -m | awk 'NR==2{printf "%s/%sMB (%.2f%%)\n", $3,$2,$3*100/$2 }') | |
| stat_disk=$(df -h | awk '$NF=="/"{printf "%d/%dGB (%s)\n", $3,$2,$5}') | |
| stat_cpu=$(top -bn1 | grep load | awk '{printf "%.2f\n", $(NF-2)}') | |
| echo -e -n " Date : `date +"%A, %e %B %Y, %r"` | |
| Hostname : `hostname` |
AndersonIncorp
/ install.sh
Last active
November 30, 2021 05:56
OS X to Linux gcc cross compiler build (arch linux x86_64 as target)
View install.sh
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| #!/bin/bash | |
| set -e | |
| # Prerequirements | |
| # brew install gcc (gmp libmpc mpfr isl) | |
| # copy /usr/lib && /usr/include from arch linux into your CC_ROOT. | |
| # /usr/local/linux/usr/include | |
| # /usr/local/linux/usr/lib | |
| # /usr/local/linux/usr/local/include | |
| # arch linux is target enviroment for this cross compiler | |
| # x86_64 binutils && gcc |