Library Genesis is a scientific community targeting collection of books on natural science disciplines and engineering.
I've been using this UI library for a recent project and thought exploring it more might be a good idea. Learn how to build a login form using Chakra UI.
Simple solution to manage your database that not involves writing code or installs web-based solutions.
ssh-copy-id -i ~/.ssh/id_rsa.pub serverUser@serverHost
Simple yet effective backup script for migrating mailboxes - breakerh/imap-backup-dovecot
Imapsync is an IMAP transfers tool. The purpose of imapsync is to migrate IMAP accounts or to backup IMAP accounts. IMAP is one of the three current standard protocols to access mailboxes, the two ...
WireGuard is a new VPN protocol that promises faster speeds and better security. Unfortunately, it also has some drawbacks with privacy.
# apt install nagios-plugins-common nagios-plugins-basic#!/bin/sh
NAGIOS=/usr/lib/nagios/plugins
#SERVER_name will be used as a prefix for the filenames
SERVER_NAME="katerina"
ROOT_WEB=/home/katerina/public_html/status
# If free disk space under 25%, warning, if under 10% critical
$NAGIOS/check_disk -w 25% -c 10% > $ROOT_WEB/$SERVER_NAME-disk
# If load > 3 (1 minute), 2 (5 minutes), 1 (15 minutes), warning, if load > 6 (1'), 4 (5'), 2 (15'), critical
$NAGIOS/check_load -w 3,2,1 -c 6,4,2 > $ROOT_WEB/$SERVER_NAME-load
# If mysql process doesn't exist, critical
$NAGIOS/check_procs -c 1:1 -C mysqld > $ROOT_WEB/$SERVER_NAME-mysql
# If apache process doesn't exit or above 35 processes, critical
$NAGIOS/check_procs -w 1:25 -c 1:35 -C apache2 > $ROOT_WEB/$SERVER_NAME-apache
# If nginx process doesn't exit or above 35 processes, critical
$NAGIOS/check_procs -w 1:25 -c 1:35 -C nginx > $ROOT_WEB/$SERVER_NAME-nginxchmod +x /opt/server-status
*/3 * * * * /opt/server-status > /dev/null 2>> /var/log/server-status.log