====== BerS Wiki. ======


==== Cryptography: ====
  * [[cryptography:crts_check|Check that certificate matches the key file]]
  * [[cryptography:openssl_ca|Generate x509 SHA256 hash self-signed certificate using OpenSSL]]

==== idM: ====
  * [[idm:freeipa|Install FreeIPA server and client]]

==== Mail: ====
  * [[mail:multiple_opendkim|OpenDKIM for multiple domains]]

==== Monitoring: ====
  * [[monitoring:zabbix_last_issues|Increase last issues in Zabbix dashboard]]

==== Network: ====
  * [[network:ndpi|Install nDPI]]
  * [[network:netperf|Speed test with netperf]]
  * [[network:mtufix|Fix incorrect MTU value]]

==== Photo: ====
  * [[photo:create_gif|Create Gif image]]

==== Scripts: ====
  * [[scripts:hosters|Hosters from PostgreSQL base]]
  * [[scripts:find_perm|Change permissions by find]]
  * [[scripts:mac_gen|Generate mac address]]
  * [[scripts:pass_gen|Generating password in Linux]]
  * [[scripts:bash_title|Terminal title and colour bash for root]]
  * [[scripts:py_tab_complete|Python2 tab completion]]
  * [[scripts:swap_view|Swap view]]

==== SQL: ====
  * [[sql:readonly-user|Adding a read-only MySQL user]]

==== System: ====
  * [[system:swapfile|Creating a Swapfile]]
  * [[system:python_autocomplete|Add python autocomplete in virtualenv]]
  * [[system:ssh_unlock|Unlock ssh user]]
  * [[system:top|Top]]
  * [[system:test_hdd_fio|Test HDD/SDD with fio]]
  * [[system:systemd_vars|Systemd variables (hack)]]
  * [[system:coredumps|Enable coredumps]]
  * [[system:kworker|Kworker high CPU]]

==== Virtualization: ====
  * [[virtualization:qemu-image-convert|Converting qemu images]]

==== Vim: ====
  * [[vim:comment|Comment multiple lines]]

==== VoIP: ====
  * [[voip:audio|Creating audio for Asterisk]]
  * [[voip:beep|Creating beep]]
  * [[voip:chan_dongle|Asterisk chan_dongle]]

==== VPN: ====
  * [[vpn:mikrotik_ikev2|KeepSolid IKEv2 on Mikrotik hap ac2]]
  * [[vpn:linux_server_ikev2|IKEv2 server on linux (Debian)]]

==== Other: ====
  * [[other:screen|Screen hacks]]
  * [[other:cpu_load|CPU load in %]]
  * [[other:bashsum|Bash sum]]
  * [[other:quotation|Bash quotation]]
  * [[other:telegram_chat_id|Get Telegram chat_id]]