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
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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
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	===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===
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	=== 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
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	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?==
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	==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)===

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	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
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	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 ==

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	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
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	*[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)=
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	==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
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	==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
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	=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
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	==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