Initial

docs/progs/crontab.md

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+
+# Crontab
+
+```
+#	PATH=$PATH:/usr/local/bin
+#	LANG=
+#	LC_ALL=
+
+### on reboot
+#	@reboot   command
+
+### on time
+#	* * * * * command
+###	| | | | |
+###	| | | | |
+###	| | | | |
+###	| | | | |--| 0-7  день недели
+###	| | | |    |
+###	| | | |----| 1-12 месяц
+###	| | |      |
+###	| | |------| 1-31 день месяца
+###	| |        |
+###	| |--------| 0-23 часы
+###	|          |
+###	|----------| 0-59 минуты
+
+```
+

docs/progs/kubernetes.md

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+
+```bash
+mkdir -p $HOME/.kube
+sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
+sudo chown $(id -u):$(id -g) $HOME/.kube/config
+```
+
+Alternatively, if you are the root user, you can run:
+```bash
+export KUBECONFIG=/etc/kubernetes/admin.conf
+```
+
+You should now deploy a pod network to the cluster.
+Run "kubectl apply -f [podnetwork].yaml" with one of the options listed at:
+https://kubernetes.io/docs/concepts/cluster-administration/addons/
+
+Then you can join any number of worker nodes by running the following on each as root:
+
+```bash
+kubeadm join 10.0.0.1:6443 --token 000000.0000000000000000 \
+--discovery-token-ca-cert-hash sha256:0000000000000000000000000000000000000000000000000000000000000000
+```

docs/progs/mariadb.md

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+
+# MariaDB
+
+## Create database, user and grand permission
+```sql
+CREATE DATABASE dbn CHARACTER SET utf8 COLLATE utf8_general_ci;
+CREATE USER 'usr'@'localhost' IDENTIFIED BY 'pwd'; GRANT ALL PRIVILEGES ON dbn.* TO usr@localhost;
+```

docs/progs/mc.md

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+# MC
+
+## ~/.config/mc/ini
+```ini
+[Layout]
+command_prompt=1
+free_space=1
+horizontal_equal=1
+horizontal_split=0
+keybar_visible=0
+left_panel_size=104
+menubar_visible=0
+message_visible=0
+output_lines=0
+top_panel_size=1
+vertical_equal=1
+xterm_title=0
+
+[Midnight-Commander]
+use_internal_view=1
+use_internal_edit=1
+alternate_plus_minus=1
+skin=darkfar
+
+editor_ask_filename_before_edit=false
+editor_backspace_through_tabs=false
+editor_backup_extension=~
+editor_check_new_line=false
+editor_cursor_after_inserted_block=false
+editor_cursor_beyond_eol=false
+editor_drop_selection_on_copy=true
+editor_edit_confirm_save=true
+editor_fake_half_tabs=false
+editor_filesize_threshold=64M
+editor_fill_tabs_with_spaces=false
+editor_group_undo=false
+editor_line_state=false
+editor_option_auto_para_formatting=false
+editor_option_save_mode=0
+editor_option_save_position=true
+editor_option_typewriter_wrap=false
+editor_persistent_selections=true
+editor_return_does_auto_indent=true
+editor_show_right_margin=false
+editor_simple_statusbar=false
+editor_state_full_filename=false
+editor_stop_format_chars=-+*\\,.;:&>
+editor_syntax_highlighting=true
+editor_tab_spacing=4
+editor_visible_spaces=true
+editor_visible_tabs=false
+editor_word_wrap_line_length=72
+```

docs/progs/nmcli.md

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+
+# Connection start
+```bash
+nmcli con up  ens18
+```
+
+# Connection modifity
+```bash
+ifc=eth0 \
+nmcli con mod $ifc ipv4.addresses 172.16.23.56/24 && \
+nmcli con mod $ifc ipv4.gateway   172.16.23.1     && \
+nmcli con mod $ifc ipv4.dns       172.16.20.130   && \
+nmcli con mod $ifc ipv4.method    manual          && \
+nmcli con mod $ifc ipv6.method    disable         && \
+nmcli con up  $ifc restart                        && \
+true
+```
+
+# Disable IPv6 for all
+```
+nmcli con show | awk '{if(NR > 1) { print $1; system("nmcli con mod " $1 " ipv6.method disable"); } }'
+```
+
+# Connection event
+```bash
+#!/bin/bash
+
+# This is /etc/NetworkManager/dispatcher.d/0167-cmp.sh
+
+# IFACE="$1" # DEVICE_IFACE
+# EVENT="$2" # NM_DISPATCHER_ACTION
+#					- connectivity-change
+#					- down
+#					- up
+#					- vpn-down
+#					- vpn-up
+#
+#
+
+	if [ "${NM_DISPATCHER_ACTION}" = "connectivity-change"  ]; then
+		if [ "${CONNECTIVITY_STATE}" = "FULL" ]; then
+			nmcli conn up ssh-37
+			exit 0
+		fi
+
+		if [ "${CONNECTIVITY_STATE}" = "LIMITED" ]; then
+			nmcli conn up ssh-37
+			exit 0
+		fi
+
+		if [ "${CONNECTIVITY_STATE}" = "NONE" ]; then
+			exit 0
+		fi
+
+		# exit 0
+	fi
+
+	if true; then
+		logger -t 0167-cmp.sh @=$@ "ENV" \
+			NM_DISPATCHER_ACTION=$NM_DISPATCHER_ACTION \
+			CONNECTION_UUID=$CONNECTION_UUID \
+			CONNECTION_ID=$CONNECTION_ID \
+			CONNECTION_DBUS_PATH=$CONNECTION_DBUS_PATH \
+			CONNECTION_FILENAME=$CONNECTION_FILENAME \
+			CONNECTION_EXTERNAL=$CONNECTION_EXTERNAL \
+			DEVICE_IFACE=$DEVICE_IFACE \
+			DEVICE_IP_IFACE=$DEVICE_IP_IFACE \
+			CONNECTIVITY_STATE=$CONNECTIVITY_STATE
+	fi
+
+```

docs/progs/php.md

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+
+## Set default timezone
+```
+	printf '[Date]\ndate.timezone = Asia/Katmandu\n' > /etc/php.d/17-cmp-timezone.ini
+```

docs/progs/socat.md

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+
+```bash
+socat PTY,link=/dev/vmodem0,echo=0,waitslave TCP:10.0.0.1:333
+```

docs/progs/ssh.md

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+# SSH
+
+## Generate public key from private
+```
+ssh-keygen -f id_rsa -y > id_rsa.pub
+```
+
+## Port forwarding
+```bash
+# forward : 172.16.0.1:80 -> 172.16.0.2 -> 127.0.0.1:4080
+ssh -f -N -L 4080:172.16.0.1:80 172.16.0.2
+```
+
+## Allow old algorithm
+```bash
+ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -oHostKeyAlgorithms=+ssh-dss 172.16.0.1
+```