https://wiki.initipi.sk/ 2026-04-17T13:39:50+00:00 https://wiki.initipi.sk/ https://wiki.initipi.sk/_media/wiki/dokuwiki.svg text/html 2026-03-03T09:39:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.initipi.sk/software/ansible_best_practices?rev=1772530775&do=diff Ansible - best practices Naming things * Variable names must contain only lowercase alphanumeric characters and the underscore _ character. Variable names must also start with either an alphabetic or underscore _ character. * Problematic Code --- - name: Example playbook hosts: localhost vars: CamelCase: true # <- Contains a mix of lowercase and uppercase characters. ALL_CAPS: bar # <- Contains only uppercase characters. v@r!able: baz # <- Contains special characters. … text/html 2020-05-22T09:38:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.initipi.sk/software/ansible_installation?rev=1590140288&do=diff Ansible installation * install virtualenv * create virtualenv $ virtualenv ~/VIRTUALENV/ansible2 * switch to created virtualenv $ source ~/VIRTUALENV/ansible2/bin/activate * upgrade setuptools $ (ansible2)$ pip install --upgrade setuptools text/html 2026-03-03T08:46:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.initipi.sk/software/ansible?rev=1772527566&do=diff Ansible * Installation * Ansible - best practices text/html 2021-10-08T12:30:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.initipi.sk/software/certbot?rev=1633696235&do=diff Certbot Registration to Let's Encrypt ACME # certbot register -n --agree-tos --no-eff-email -m "letsencrypt@initipi.sk" - staging # certbot register --staging -n --agree-tos --no-eff-email -m "letsencrypt@initipi.sk" Generate SSL certificate text/html 2021-05-27T20:46:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.initipi.sk/software/etckeeper?rev=1622148366&do=diff etckeeper Konfiguracia * upravit /etc/etckeeper/etckeeper.conf VCS="git" AVOID_DAILY_AUTOCOMMITS=1 AVOID_COMMIT_BEFORE_INSTALL=1 * inicializácia # etckeeper init # etckeeper commit -m "Init" * commit-hook pre zasielanie zmien emailom /etc/.git/hooks/post-commit text/html 2025-12-09T08:56:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.initipi.sk/software/fail2ban?rev=1765270593&do=diff fail2ban sh# fail2ban-client status sh# fail2ban-client status sshd sh# fail2ban-client set sshd unbanip 192.168.1.100 text/html 2025-08-25T10:20:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.initipi.sk/software/ffmpeg?rev=1756117202&do=diff * copy video stream #0, recode audio streams #0 and #1 to ac3, exclude subtitles stream #0: $ ffmpeg -i Oblivion-orig.mkv -map 0:v:0 -map 0:a:0 -map 0:a:1 -map -0:s:0 -acodec:0 ac3 -acodec:1 ac3 -vcodec copy Oblivion.mkv text/html 2020-02-26T14:45:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.initipi.sk/software/git_migrate_repository?rev=1582728338&do=diff Migrate git repository * create new repository * clone original repository repo-dir$ for branch in `git branch -a | grep remotes | grep -v HEAD | grep -v master`; do git branch --track ${branch##*/} $branch; done repo-dir$ git remote rm origin repo-dir$ git remote add origin new-server:new-repo.git repo-dir$ git push --all origin text/html 2025-08-08T09:56:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.initipi.sk/software/git_squash_commits?rev=1754646972&do=diff Git - squash commits Squash two last commits $ git log --pretty=oneline a931ac7c808e2471b22b5bd20f0cad046b1c5d0d c b76d157d507e819d7511132bdb5a80dd421d854f b df239176e1a2ffac927d8b496ea00d5488481db5 a $ git rebase --interactive HEAD~2 pick b76d157 b pick a931ac7 c # Rebase df23917..a931ac7 onto df23917 # # Commands: # p, pick = use commit # r, reword = use commit, but edit the commit message # e, edit = use commit, but stop for amending # s, squash = use commit, but meld into previ… text/html 2025-08-08T09:33:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.initipi.sk/software/git?rev=1754645628&do=diff Git * gitolite * migrate git repository * squash commits text/html 2020-04-14T10:03:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.initipi.sk/software/gitolite?rev=1586858627&do=diff gitolite Installation On server # pw groupadd gitolite -g 753 # mkdir /data # pw useradd gitolite -u 753 -c "GIT repositories user" -m -d /data/repos -M 0700 -g gitolite # su - gitolite $ gitolite setup -pk /tmp/admin.pub Configuration On client text/html 2026-04-17T12:01:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.initipi.sk/software/openssl?rev=1776427285&do=diff openssl Enable legacy provider * Edit /etc/ssl/openssl.cnf: [openssl_init] providers = provider_sect # List of providers to load [provider_sect] default = default_sect legacy = legacy_sect [default_sect] activate = 1 [legacy_sect] activate = 1 text/html 2022-06-15T17:31:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.initipi.sk/software/python_pip?rev=1655314317&do=diff Python pip Install local package to custom directory $ export PYTHONPATH=/custom/python-lib/path/lib/python2.7/site-packages:$PYTHONPATH $ tar -xf package-x.y.z $ cd package-x.y.z package-x.y.z $ PYTHONUSERBASE=/custom/python-lib/path pip install --target=/custom/python-lib/path/lib/python2.7/site-packages . text/html 2022-06-15T17:32:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.initipi.sk/software/python?rev=1655314340&do=diff Python * pip text/html 2026-04-17T11:56:39+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.initipi.sk/software/software?rev=1776426999&do=diff Software * ansible * certbot * etckeeper * fail2ban * ffmpeg * git * openssl * python * zfs text/html 2026-01-20T09:07:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.initipi.sk/software/zfs?rev=1768900060&do=diff ZFS RAID RAID types * mirror - RAID1 * raidz - RAID5 * raidz2 - RAID6 Create RAID * Create RAID without mount point # zpool create -m none data-pool mirror /dev/disk/by-id/ata-Hitachi_... /dev/disk/by-id/ata-SAMSUNG_... Replacing disk