DWIKI - Recent changes [en]

Apt

Tony — Tue, 09 Jun 2026 14:30:33 GMT

Extract files from .deb

← Older revision		Revision as of 14:30, 9 June 2026
(One intermediate revision by the same user not shown)
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	=HOWTO=		=HOWTO=
	==Extract files from .deb==		==Extract files from .deb==
	dpkg-deb		dpkg -x foo.deb ~/foo
	~~or just~~		also
	dpkg -~~e foo~~.deb		mkdir tmp
	~~note: this extracts to .~~		dpkg-deb -R original.deb tmp

	==Pin a version==		==Pin a version==

Proxmox Backup Server

Tony — Tue, 09 Jun 2026 12:29:41 GMT

Garbage collection

← Older revision		Revision as of 12:29, 9 June 2026
Line 243:		Line 243:
	===unable to access non-existent chunk===		===unable to access non-existent chunk===
	check if this returns?		check if this returns?
			===What is this "pending data"?===

	=== Pending removals ===		=== Pending removals ===

Openssl

Tony — Mon, 08 Jun 2026 08:00:05 GMT

Generate a signing request (CSR)

← Older revision		Revision as of 08:00, 8 June 2026
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	openssl req -nodes -newkey rsa:2048 -keyout $N.key -out $N.csr		openssl req -nodes -newkey rsa:2048 -keyout $N.key -out $N.csr

			openssl req -utf8 -nodes -sha256 -newkey rsa:2048 -keyout server.key -out server.csr
	The resulting csr is the signing request, my.domain.key is the private key you save not readable for anyone but root!		The resulting csr is the signing request, my.domain.key is the private key you save not readable for anyone but root!

Git

Tony — Mon, 08 Jun 2026 07:37:07 GMT

Error messages

← Older revision		Revision as of 07:37, 8 June 2026
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	===error: You have not concluded your merge (MERGE_HEAD exists).===		===error: You have not concluded your merge (MERGE_HEAD exists).===

			===error: unknown switch `b'===
			Try '''--bare''' instead of '''-b'''

	===git checkout errors===		===git checkout errors===
Line 95:		Line 96:
	=== Updates were rejected because the remote contains work that you do not have locally.===		=== Updates were rejected because the remote contains work that you do not have locally.===
	??		??



	== error: Merging is not possible because you have unmerged files. ==		== error: Merging is not possible because you have unmerged files. ==

Proxmox Backup Server

Tony — Sat, 06 Jun 2026 09:40:18 GMT

FAQ

← Older revision		Revision as of 09:40, 6 June 2026
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	systemctl restart proxmox-backup.service		systemctl restart proxmox-backup.service
	systemctl restart proxmox-backup-proxy.service		systemctl restart proxmox-backup-proxy.service


			===The devices are not in fstab, where are they configured?===
			See [https://www.man7.org/linux//man-pages/man5/systemd.mount.5.html systemd.mount(5)] and [https://www.man7.org/linux//man-pages/man1/systemd-mount.1.html systemd-mount(5)].



	==Limit bandwidth==		==Limit bandwidth==

ZFS

Tony — Fri, 05 Jun 2026 14:48:10 GMT

Add log/cache

← Older revision		Revision as of 14:48, 5 June 2026
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	==Caching==		==Caching==
	===Add log/cache===		===Add log/cache===
	For l2arc mirrors make little sense, just add disks		For l2arc cache mirrors make little sense, just add disks
	zpool add rpool cache sdf		zpool add rpool cache sdf
	or maybe better		or maybe better

Proxmox Backup Server

Tony — Fri, 05 Jun 2026 08:44:50 GMT

FAQ

← Older revision		Revision as of 08:44, 5 June 2026
Line 298:		Line 298:
	Probably a mismatch between path in /etc/proxmox-backup/datastore.cfg and actual location.		Probably a mismatch between path in /etc/proxmox-backup/datastore.cfg and actual location.
	You also need to restart proxmox-backup-proxy.service after changing either of those.		You also need to restart proxmox-backup-proxy.service after changing either of those.


			==Where are the devices behind the datastores listed/configured?==
			systemctl list-units \| grep mount


	[[Category:Backup]]		[[Category:Backup]]

Apt

Tony — Fri, 05 Jun 2026 08:04:50 GMT

FAQ

← Older revision		Revision as of 08:04, 5 June 2026
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	==What is new style sources files called?==		==What is new style sources files called?==
	deb822		deb822


			== the following packages have been kept back: ==

			Time to apt-get dist-upgrade ( but check [https://askubuntu.com/questions/194651/why-use-apt-get-upgrade-instead-of-apt-get-dist-upgrade/226213#226213 ]first But it could be different things.
			See https://askubuntu.com/questions/601/the-following-packages-have-been-kept-back-why-and-how-do-i-solve-it
			Perhaps:
			apt-get upgrade package-that-is-kept-back
			or try
			apt install package-that-is-kept-back

	==What version of a package is going to be installed?==		==What version of a package is going to be installed?==
Line 92:		Line 102:

	==Error messages==		==Error messages==

			===InRelease doesn't support architecture 'i386'===
			set ''arch=amd64''' in sources old style or '''Architectures: amd64'' new style

	===E: Could not get lock /var/lib/apt/lists/lock. It is held by process 1538337 (apt-get)===		===E: Could not get lock /var/lib/apt/lists/lock. It is held by process 1538337 (apt-get)===

Line 100:		Line 114:
	again		again

			===Repository changed its 'Version' value===
			Try
			apt-get --allow-releaseinfo-change update

	===The repository 'http://security.debian.org buster/updates Release' no longer has a Release file===		===The repository 'http://security.debian.org buster/updates Release' no longer has a Release file===

Debian

Tony — Fri, 05 Jun 2026 08:01:20 GMT

@@ Line 69: / Line 69: @@
 or
   needrestart -k -b
 == change default editor ==

Disk

Tony — Thu, 04 Jun 2026 13:40:13 GMT

← Older revision		Revision as of 13:40, 4 June 2026
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			=Tools=
			==e2label==
			===Get/set partition label===
			e2label /dev/sdi1 [ LABEL ]
			===Errors===
			====e2label: Bad magic number in super-block ====
			check if there's filesystem at all, blkid


	=FAQ=		=FAQ=
	==~~Get/set partition~~ label==		==Mount by label==
	~~e2label~~ /~~dev~~/~~sdi1 [ LABEL ]~~		mount -L LABEL /mnt/target

Disk

Tony — Thu, 04 Jun 2026 12:41:05 GMT

Created page with "=FAQ= ==Get/set partition label== e2label /dev/sdi1 [ LABEL ]"

New page

=FAQ=
==Get/set partition label==
e2label /dev/sdi1 [ LABEL ]

Fdisk

Tony — Thu, 04 Jun 2026 12:12:36 GMT

Created page with "=FAQ= ==What is "disk identifier"=="

New page

=FAQ=
==What is "disk identifier"==

Ubuntu

Tony — Thu, 04 Jun 2026 08:59:13 GMT

FAQ

← Older revision		Revision as of 08:59, 4 June 2026
Line 108:		Line 108:
	cat /etc/lsb-release		cat /etc/lsb-release

	==~~The repository~~ '~~http:~~//~~packages~~.~~ros~~.~~org/ros/ubuntu cosmic Release~~' ~~does not have a Release file.==~~		==Where are the changelogs?==
	~~Switch path to repositories to old-releases.ubuntu.com~~		'''/usr/share/doc/*/changelog.Debian.gz'''


	== disable ipv6 ==		== disable ipv6 ==

Line 155:		Line 157:
	mail --config-help		mail --config-help

			==The repository 'http://packages.ros.org/ros/ubuntu cosmic Release' does not have a Release file.==
			Switch path to repositories to old-releases.ubuntu.com
	== failed unmounting /var ==		== failed unmounting /var ==

Nginx

Tony — Thu, 04 Jun 2026 08:30:08 GMT

HOWTO

← Older revision		Revision as of 08:30, 4 June 2026
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	ssl_prefer_server_ciphers on;		ssl_prefer_server_ciphers on;

			==Set server directives globally==
			Put them in '''/etc/nginx/conf.d/directives.conf'''

	===CSP===		===CSP===

Apc UPS

Tony — Wed, 03 Jun 2026 13:05:31 GMT

← Older revision		Revision as of 13:05, 3 June 2026
Line 2:		Line 2:
	*[https://www.zabbix.com/integrations/apc Zabbix Templates for APC UPS]		*[https://www.zabbix.com/integrations/apc Zabbix Templates for APC UPS]
	*[https://www.apcguard.com/smart-ups-runtime-chart.asp Smart-UPS runtime chart]		*[https://www.apcguard.com/smart-ups-runtime-chart.asp Smart-UPS runtime chart]

			=Documentation=
			==Outlet groups==
			===Main Outlet Group===
			Callled "Outlets" in manual

			First to switch on, last to switch off.

			===Controlled Outlet Group===


	=NMC (Network Management Card)=		=NMC (Network Management Card)=
Line 18:		Line 28:
	==Default credentials==		==Default credentials==
	apc / apc		apc / apc



	==FAQ==		==FAQ==

Exiftool

Tony — Wed, 03 Jun 2026 12:27:02 GMT

set image title

← Older revision		Revision as of 12:27, 3 June 2026
Line 2:		Line 2:

	==set image title==		==set image title==
	exiftool stumpert.jpg -~~overwrite_original -iptc:ObjectName~~="Willem Stumpert" stumpert.jpg		exiftool stumpert.jpg -Title="Willem Stumpert" stumpert.jpg

Ansible

Tony — Wed, 03 Jun 2026 10:46:58 GMT

Tools

← Older revision		Revision as of 10:46, 3 June 2026
Line 17:		Line 17:

	=Tools=		=Tools=
			*[https://enroll.sh/ Enroll]
	*[https://molecule.readthedocs.io/en/latest/ Molecule] for testing roles		*[https://molecule.readthedocs.io/en/latest/ Molecule] for testing roles
	*ansible-lint		*ansible-lint

Hugo

Tony — Wed, 03 Jun 2026 10:46:07 GMT

← Older revision		Revision as of 10:46, 3 June 2026
Line 4:		Line 4:
	==Add a theme==		==Add a theme==
	git submodule add https://github.com/alex-shpak/hugo-book themes/hugo-book		git submodule add https://github.com/alex-shpak/hugo-book themes/hugo-book

			=FAQ=
			==Error messages==
			===Section 'docs' not found, check BookSection theme parameter===

Hugo

Tony — Wed, 03 Jun 2026 09:49:38 GMT

Created page with "=Links= =HOWTO= ==Add a theme== git submodule add https://github.com/alex-shpak/hugo-book themes/hugo-book"

New page

=Links=

=HOWTO=
==Add a theme==
git submodule add https://github.com/alex-shpak/hugo-book themes/hugo-book

Socket statistics

Tony — Tue, 02 Jun 2026 08:40:07 GMT

HOWTO

← Older revision		Revision as of 08:40, 2 June 2026
Line 17:		Line 17:
	ss -pl		ss -pl

			==List all listening ports and their processes==
			ss -tlnp


	[[Category:Network]]		[[Category:Network]]

Zabbix

Tony — Tue, 02 Jun 2026 07:47:51 GMT

Which items using most data in database?

← Older revision		Revision as of 07:47, 2 June 2026
Line 308:		Line 308:
	*[https://serverfault.com/questions/749397/zabbix-determine-what-item-checks-are-responsible-for-storing-the-most-data determine what item checks are responsible for storing the most data]		*[https://serverfault.com/questions/749397/zabbix-determine-what-item-checks-are-responsible-for-storing-the-most-data determine what item checks are responsible for storing the most data]

			SELECT itemid, count(*) AS cnt FROM history GROUP BY itemid ORDER BY cnt DESC LIMIT 20;
			or maybe
			SELECT h.itemid, i.name, count(*) AS cnt FROM history h, items i where h.itemid = i.itemid GROUP BY itemid ORDER BY cnt DESC limit 20;
	=== Adjust loglevel ===		=== Adjust loglevel ===

Ansible

Tony — Mon, 01 Jun 2026 14:45:56 GMT

Error messages

← Older revision		Revision as of 14:45, 1 June 2026
Line 172:		Line 172:
	Append a comma		Append a comma
	ansible-playbook myplay.yml -i myhostname,		ansible-playbook myplay.yml -i myhostname,

			===sftp transfer mechanism failed===
			??

Meshcore

Tony — Mon, 01 Jun 2026 13:11:56 GMT

← Older revision		Revision as of 13:11, 1 June 2026
Line 13:		Line 13:

	[[category:Networking]]		[[category:Networking]]
			[[Category:Packet Radio]]

Reticulum

Tony — Mon, 01 Jun 2026 13:11:13 GMT

← Older revision		Revision as of 13:11, 1 June 2026
Line 4:		Line 4:

	[[Category:Networking]]		[[Category:Networking]]
			[[Category:Packet Radio]]

Github

Tony — Mon, 01 Jun 2026 10:55:49 GMT

Use ssh

← Older revision		Revision as of 10:55, 1 June 2026
Line 15:		Line 15:

	And		And
	git remote set-url origin git@github.com:username/repository.git		git remote set-url origin git@github.com:username/your-repository.git

	=FAQ=		=FAQ=

Markdown

Tony — Mon, 01 Jun 2026 09:21:25 GMT

Links

← Older revision		Revision as of 09:21, 1 June 2026
Line 5:		Line 5:
	*[https://daringfireball.net/projects/markdown/syntax Syntax]		*[https://daringfireball.net/projects/markdown/syntax Syntax]
	*[https://www.markdownguide.org/basic-syntax/ Basic syntax]		*[https://www.markdownguide.org/basic-syntax/ Basic syntax]
			*[https://www.markdownguide.org/extended-syntax/ Extended syntax]

	=Tools=		=Tools=

AI

Tony — Fri, 29 May 2026 12:58:45 GMT

Created page with "=Links= *[https://platform.openai.com/tokenizer-explorer Tokenizer explorer] *[https://localai.io/reference/cli-reference/ LocalAI CLI reference] =Terms= ==LLM== Large Language Model ==BPE== Byte pair encoding"

New page

=Links=
*[https://platform.openai.com/tokenizer-explorer Tokenizer explorer]

*[https://localai.io/reference/cli-reference/ LocalAI CLI reference]

=Terms=
==LLM==
Large Language Model

==BPE==
Byte pair encoding

LocalAI

Tony — Wed, 27 May 2026 19:53:07 GMT

HOWTO

← Older revision		Revision as of 19:53, 27 May 2026
Line 19:		Line 19:
	"id": "huggingface@TheBloke/Yarn-Mistral-7B-128k-GGUF/yarn-mistral-7b-128k.Q5_K_M.gguf"		"id": "huggingface@TheBloke/Yarn-Mistral-7B-128k-GGUF/yarn-mistral-7b-128k.Q5_K_M.gguf"
	}'		}'


			==CLI==
			https://localai.io/reference/cli-reference/
			===Reset conversation===
			?

	=Scripts=		=Scripts=

Ansible

Tony — Wed, 27 May 2026 08:27:50 GMT

Docs

← Older revision		Revision as of 08:27, 27 May 2026
(One intermediate revision by the same user not shown)
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	*[https://spacelift.io/blog/ansible-variables Ansible variables]		*[https://spacelift.io/blog/ansible-variables Ansible variables]

			*[https://docs.ansible.com/projects/ansible/latest/reference_appendices/config.html#the-configuration-file ansible.cfg configuration file]
	==Lineinfile==		==Lineinfile==
	*[https://docs.ansible.com/ansible/latest/collections/ansible/builtin/lineinfile_module.html Lineinfile module]		*[https://docs.ansible.com/ansible/latest/collections/ansible/builtin/lineinfile_module.html Lineinfile module]
Line 197:		Line 197:
	--ask-pass		--ask-pass

	===Connection timed out during banner exchange===		===SSH Connection timed out during banner exchange===
			See:
			*[https://oneuptime.com/blog/post/2026-02-21-how-to-configure-ansible-ssh-connection-keepalive/view How to Configure Ansible SSH Connection Keepalive ]
	So far working for me:		So far working for me:
	[ssh_connection]		[ssh_connection]

Docker

Tony — Tue, 26 May 2026 20:11:01 GMT

HOWTO

← Older revision		Revision as of 20:11, 26 May 2026
Line 22:		Line 22:
	docker ps -a		docker ps -a

			==Start container==
			docker start <name>
			name as found with docker ps -a

	==Show log==		==Show log==

Alsamixer

Tony — Tue, 26 May 2026 20:06:26 GMT

← Older revision		Revision as of 20:06, 26 May 2026
Line 1:		Line 1:
	=Links=		=Links=
	*https://wiki.archlinux.org/title/Advanced_Linux_Sound_Architecture		*https://wiki.archlinux.org/title/Advanced_Linux_Sound_Architecture

			=Howto=
			==Enable channel==
			M


	[[Category:Sound]]		[[Category:Sound]]

Ansible

Tony — Tue, 26 May 2026 11:15:14 GMT

Error messages

← Older revision		Revision as of 11:15, 26 May 2026
Line 196:		Line 196:
	To connect without public key in authorized keys try		To connect without public key in authorized keys try
	--ask-pass		--ask-pass

			===Connection timed out during banner exchange===
			So far working for me:
			[ssh_connection]
			ssh_args = -o ServerAliveInterval=5
			retries = 5

	==ansible-lint==		==ansible-lint==

Sed

Tony — Tue, 26 May 2026 09:58:12 GMT

Replace with newline

← Older revision		Revision as of 09:58, 26 May 2026
Line 24:		Line 24:
	==Replace with newline==		==Replace with newline==
	^V^M		^V^M

			==Replace literal \n with actual newline==
			sed 's/\\n/\n/g'

	==match whitespace==		==match whitespace==

Docker

Tony — Mon, 25 May 2026 21:15:32 GMT

Show disk usage

← Older revision		Revision as of 21:15, 25 May 2026
(2 intermediate revisions by the same user not shown)
Line 28:		Line 28:
	docker logs -f <container>		docker logs -f <container>
	==Show disk usage==		==Show disk usage==
			*https://niklasmtj.de/blog/understand-docker-storage/

	docker system df		docker system df
	outputs:		outputs:
Line 37:		Line 39:
	===RECLAIMABLE===		===RECLAIMABLE===
	Is what you get back when running		Is what you get back when running
	docker prune a		docker system prune -a

	==List images==		==List images==

MySQL

Tony — Fri, 22 May 2026 12:19:32 GMT

Split existing mysql to separate lines

← Older revision		Revision as of 12:19, 22 May 2026
Line 383:		Line 383:
	repair table mysql.proc		repair table mysql.proc

	===Split existing ~~mysql~~ to separate lines===		===Split existing mysqldump to separate lines===
	https://gist.github.com/lavoiesl/9a08e399fc9832d12794		https://gist.github.com/lavoiesl/9a08e399fc9832d12794

Bridging

Tony — Fri, 22 May 2026 10:59:28 GMT

← Older revision		Revision as of 10:59, 22 May 2026
(2 intermediate revisions by the same user not shown)
Line 2:		Line 2:
	*[https://wiki.debian.org/BridgeNetworkConnections Bridging Network Connections on Debian]		*[https://wiki.debian.org/BridgeNetworkConnections Bridging Network Connections on Debian]
	*[https://unix.stackexchange.com/questions/572261/virtual-network-bridge-why-does-it-have-to-have-an-ip-address-assigned-to-it Virtual network bridge: why does it have to have an IP address assigned to it?]		*[https://unix.stackexchange.com/questions/572261/virtual-network-bridge-why-does-it-have-to-have-an-ip-address-assigned-to-it Virtual network bridge: why does it have to have an IP address assigned to it?]
			*[https://wiki.archlinux.org/title/Network_bridge Network bridge]
			=Tools=
			==Brctl==
			===Show bridges===
			brctl show




	=FAQ=		=FAQ=


			[[Category:Networking]]

Link aggregation

Tony — Fri, 22 May 2026 10:54:50 GMT

Links

← Older revision		Revision as of 10:54, 22 May 2026
Line 2:		Line 2:

	=Links=		=Links=
			*[[Bonding]]
	*[https://wiki.debian.org/Bonding Bonding]		*[https://wiki.debian.org/Bonding Bonding]


	=FAQ=		=FAQ=

MySQL

Tony — Thu, 21 May 2026 13:52:07 GMT

mysqldump

← Older revision		Revision as of 13:52, 21 May 2026
Line 382:		Line 382:
	First try		First try
	repair table mysql.proc		repair table mysql.proc

			===Split existing mysql to separate lines===
			https://gist.github.com/lavoiesl/9a08e399fc9832d12794

	==mysqldump: Couldn't execute 'FLUSH TABLES'==		==mysqldump: Couldn't execute 'FLUSH TABLES'==

Awstats

Tony — Wed, 20 May 2026 09:07:45 GMT

Install on Ubunut

← Older revision		Revision as of 09:07, 20 May 2026
Line 6:		Line 6:

	=Howto=		=Howto=
	==Install on ~~Ubunut~~==		==Install on Ubuntu==
	apt-get install awstats libnet-ip-perl libnet-dns-perl		apt-get install awstats libnet-ip-perl libnet-dns-perl

IPMI

Tony — Tue, 19 May 2026 12:50:19 GMT

Leave ipmitool console session

← Older revision		Revision as of 12:50, 19 May 2026
Line 145:		Line 145:
	==Leave ipmitool console session==		==Leave ipmitool console session==
	<enter> ~.		<enter> ~.

			or try
			(without enter)
			&.

	==ipmitool errors==		==ipmitool errors==

Firewalld

Tony — Fri, 15 May 2026 11:11:26 GMT

delete rich rule

← Older revision		Revision as of 11:11, 15 May 2026
Line 36:		Line 36:

	===delete rich rule===		===delete rich rule===
			Get a list of current rules:
			firewall-cmd --list-all-zones
			and then
	--delete-rich-rule same as --add-rich-rule		--delete-rich-rule same as --add-rich-rule


	==zones==		==zones==

Ipcalc

Tony — Fri, 15 May 2026 09:49:00 GMT

Created page with " =HOWTO= ==Calculate IPv6 networks== *[https://www.deepspace6.net/projects/ipv6calc.html ipv6calc] Category:Networking"

New page

=HOWTO=
==Calculate IPv6 networks==
*[https://www.deepspace6.net/projects/ipv6calc.html ipv6calc]

[[Category:Networking]]