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OwnCloud Let’s Encrypt certificate renewal

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I use OwnCloud with Let’s Encrypt certificate and recently I received error message below from my ctrontab command: ./letsencrypt-auto renew All renewal attempts failed. The following certs could not be renewed: /etc/letsencrypt/live/cloud.eu/fullchain.pem (failure) 1 renew failure(s), 0 parse failure(s) WARNING: certbot.renewal:Attempting to renew cert from /etc/letsencrypt/renewal/cloud.conf produced an unexpected error: At least one of the … Read more

Let’s Encrypt with Apache on Ubuntu

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Clone the Let’s Encrypt repository sudo git clone https://github.com/letsencrypt/letsencrypt /opt/letsencrypt Access the letsencrypt directory cd /opt/letsencrypt Auto install all dependencies sudo -i ./letsencrypt-auto Generate certificates for your domains Execute the interactive installation and obtain a certificate for each domain. ./letsencrypt-auto certonly –webroot -w /var/www/faix/wordpress/ -d faix.cz -d www.faix.cz ./letsencrypt-auto certonly –webroot -w /var/www/zviretnik/wordpress/ -d zviretnik.eu … Read more

merge multiple JPG to PDF

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Have you ever wated to create PDF file from multiple JPG images from Linux command line? It is simple, just type: convert `ls -v *.JPG` output.pdf The convert command is part of imagemagick package. In Debian / Ubuntu / Mint you can install it via command: apt-get install imagemagic

Ntopng on Debian

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Here is description how to install Ntopng on Debian. “ntopng” is an open-source network traffic monitor that shows the network usage, the next generation version of the original ntop. NEW ntopng v2.4.1 ntopNG Debian repository. Debian 7 (wheezy) wget http://apt-stable.ntop.org/wheezy/all/apt-ntop-stable.deb dpkg -i apt-ntop-stable.deb grep -q "wheezy-backports" /etc/apt/sources.list || echo "deb http://ftp.debian.org/debian wheezy-backports main" >> /etc/apt/sources.list … Read more

Sarg – Squid Analysis Report Generator

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Install Sarg – Squid Analysis Report Generator wget -O sarg-latest.tar.gz http://sourceforge.net/projects/sarg/files/latest/download?source=files tar zxvf sarg-latest.tar.gz cd sarg-* ./configure make sudo make install /usr/local/etc/sarg.conf access_log /var/log/squid3/access.log output_dir /var/www/squid-reports temporary_dir /var/tmp/sarg date_format e overwrite_report yes lastlog 45 resolve_ip yes mkdir -p /var/www/squid-reports /var/tmp/sarg chown www-data:www-data /var/www/squid-reports /var/tmp/sarg chmod 775 /var/tmp/sarg usermod -a -G proxy,staff www-data Generate Sarg report … Read more

Squid transparent proxy

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Setup Squid transparent proxy http://thejimmahknows.com/squid-3-1-caching-proxy-with-ssl/ http://codepoets.co.uk/2014/squid-3-4-x-with-ssl-for-debian-wheezy/ Install required dependencies: apt-get build-dep squid3 openssh openssl apt-get install devscripts build-essential fakeroot libtool libssl-dev libcrypto++-dev devscripts ssl-cert squid-langpack libecap2-dev Download Squid sources: cd /usr/src wget http://ftp.debian.org/debian/pool/main/s/squid3/squid3_3.4.8.orig.tar.bz2 wget http://ftp.debian.org/debian/pool/main/s/squid3/squid3_3.4.8-6.debian.tar.xz tar -xvf squid3_3.4.8.orig.tar.bz2 cd squid-3.4.8/ tar -xvf ../squid3_3.4.8-6.debian.tar.xz Include Squid transparent SSL support: vi debian/rules –enable-ssl \ –enable-ssl-crtd \ Build … Read more

Simple differential backups using rdiff-backup

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As a user I want to have differential backups of my documents and git directories from my computer at work to my remote off-site server. Frequency of backups is one time a day at 1:00 AM. Retention policy is to keep backups 12 months. Install rdiff-backup on source computer and on destination server also. apt-get … Read more

Setup centralised Syslog server

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Server Open access in UFW firewall port 514 tcp/udp: ufw allow from 192.168.122.0/27 port 514 mkdir /var/log/rsyslog chown root:adm /var/log/rsyslog The following code in 90-rsyslog.conf should be placed before the “*.info;mail.none;authpriv.none;cron.none /var/log/syslog” entry which is done using directive $IncludeConfig /etc/rsyslog.d/*.conf in /etc/rsyslog.conf. Be sure you replace server-name below with the name of your central logging … Read more

Debian server

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I use my home Debian server as router, firewall, NAS and HTPC. I have installed system on SSD drive and data are on two LUKS encrypted WDC 2TB drives in RAID1. System in installed as Debian basic server, the rest of the packages was installed and configured the way as it follows. System drive: 32 … Read more