Own DNS (PowerDNS + PowerAdmin)

TCP and UDP (protocols)

Source: techblog.jeppson.org TCP: HTTP – 80 HTTPs – 443 FTP – 20 and 21 SMTP – 25 Telnet – 23 UDP: DNS – 53 DHCP – 67 and 68 TFTP – 69 SNMP – 161 RIP – 520 VOIP

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Create template for virtualization

I recommended changes before make template: comment out CD from /etc/apt/sources.list install aptitude install mc install sudo and add user to group set static and DHCP IP – comment out static IP install Guest Agent

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Debian IP configuration

Ip configuration example: allow-hotplug eth0 iface eth0 inet dhcp auto eth1 iface eth1 inet static address 192.168.0.4 netmask 255.255.255.0 gateway 192.168.0.1 dns-nameservers 192.168.0.4

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Migration VM from XenServer to ProxMox (*.xva to *.raw)

Source: techblog.jeppson.org XenServer 7.1 MroxMox 5.2 I. Export VM to *.XVA in XenServer. II. Create new VM in ProxMox with parameters: CPU – like VM on XenServer RAM – like VM on XenServer HDD 1 – 20GB for system and add size of VM from XenServer. I set 100GB. HDD 2 – like VM on […]

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Change hostname permanent

sudo hostnamectl set-hostname new.name.1 and change old hostname to new in /etc/hosts.

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Test GitLab commands

sudo gitlab-rake gitlab:check –trace sudo gitlab-rake db:migrate:status –trace gitlab-ctl tail

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Install old version GitLab on Debian.

Source: GitLab Install GitLab’s repos   I. Creating a backup sudo gitlab-rake gitlab:backup:create   II. Install and restore backup: sudo aptitude install -y curl openssh-server ca-certificates curl -s https://packages.gitlab.com/install/repositories/gitlab/gitlab-ee/script.deb.sh | sudo bash sudo aptitude install gitlab-ee=10.7.3-ee.0 sudo mv 1526756133_2018_05_19_10.7.3-ee_gitlab_backup.tar /var/opt/gitlab/backups/. sudo gitlab-ctl stop unicorn sudo gitlab-ctl stop sidekiq sudo gitlab-rake gitlab:backup:restore BACKUP=1526756133_2018_05_19_10.7.3-ee sudo gitlab-ctl restart […]

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Refreshing commands (watch)

watch -n 5 cat /proc/test

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AOMEI partition assistant (partitioning)

Source: aomeitech.com Very useful program to partitioning and cloning OS to other HDDs. Program is designet for Windows.

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Own DNS (PowerDNS + PowerAdmin)

Source: zaufanatrzeciastrona.pl blog.crazypi.com I. Install Apache2: sudo aptitude install apache2 II. Install MySQL, PHP and secure: sudo aptitude install mysql-server sudo mysql_install_db sudo mysql_secure_installation sudo aptitude install mysql-client sudo aptitude install libapache2-mod-php5 php5 php5-common php5-curl php5-dev php5-gd php-pear php5-imap php5-mcrypt php5-mhash php5-ming php5-mysql php5-xmlrpc gettext sudo /etc/init.d/mysql restart sudo /etc/init.d/apache2 restart III. Install PowerDNS: sudo […]

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