Halfface - Recent changes [en-gb]

Commands

Ekaanbj — Tue, 30 Jun 2026 09:40:43 GMT

setpriv

← Older revision		Revision as of 09:40, 30 June 2026
Line 2,763:		Line 2,763:
	Dump your privileges.		Dump your privileges.
	setpriv -d		setpriv -d
			=sgdisk=
			Sort by start block
			sgdisk --print /dev/sda \| grep -E "^[ ]+[0-9]+" \| sort -n -k2
			Create legacy boot partition.
			sgdisk --new=14:0:+4MiB --typecode=14:EF02 /dev/sda
			Create new /boot/efi partition. Start from beginning of disk. Use all space.
			sgdisk --new=15:0:+0 --typecode=15:EF00 /dev/sda

	=shred=		=shred=

Ekaanbj — Tue, 30 Jun 2026 09:24:05 GMT

← Older revision		Revision as of 09:24, 30 June 2026
Line 38:		Line 38:
	export OS_CLOUD=project1		export OS_CLOUD=project1

	=create volume/block device=		=volume=
			==create volume/block device==
	openstack volume create --size 50 --type ssd --description "nfs storage block device 0" nfs_storage_abjorklund-01		openstack volume create --size 50 --type ssd --description "nfs storage block device 0" nfs_storage_abjorklund-01
	openstack volume create --size 50 --type hdd --description test_hdd_device test_hdd_device		openstack volume create --size 50 --type hdd --description test_hdd_device test_hdd_device
	Resize block device.		==Resize block device.==
	os volume set --size 60 nfs_storage_abjorklund-01 --os-volume-api-version 3.42		os volume set --size 60 nfs_storage_abjorklund-01 --os-volume-api-version 3.42
	=list volumes=		==list volumes==
	openstack volume list		openstack volume list
	==list volume belonging to <server>==		==list volume belonging to <server>==
Line 51:		Line 52:
	==Add volume to server==		==Add volume to server==
	openstack server add volume <server_id> <volume_id>		openstack server add volume <server_id> <volume_id>
			==Rename volume==
			openstack volume set --name <new_name> <volume_ID>
	=install openstack=		=install openstack=
	dnf install python3-openstackclient		dnf install python3-openstackclient

Ekaanbj — Fri, 26 Jun 2026 09:28:34 GMT

automatic update

← Older revision		Revision as of 09:28, 26 June 2026
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	Disable automatic updates.		Disable automatic updates.
	sed -i 's/APT::Periodic::Unattended-Upgrade "1";/APT::Periodic::Unattended-Upgrade "0";/g' /etc/apt/apt.conf.d/20auto-upgrades		sed -i 's/APT::Periodic::Unattended-Upgrade "1";/APT::Periodic::Unattended-Upgrade "0";/g' /etc/apt/apt.conf.d/20auto-upgrades

			=disable apparmour=
			/etc/default/grub
			GRUB_CMDLINE_LINUX_DEFAULT="apparmor=0"
			update-grub

	[[Category:Applications]]		[[Category:Applications]]
	[[Category:Unix]]		[[Category:Unix]]

Ekaanbj — Thu, 25 Jun 2026 08:44:35 GMT

cpio

← Older revision		Revision as of 08:44, 25 June 2026
Line 322:		Line 322:
	convert image.png -background white -flatten image.jpg		convert image.png -background white -flatten image.jpg

			=cp=
			Sparse copy
			cp --sparse=always ubuntu24.04.qcow2 ubuntu24.04.qcow2.sparse
	=cpio=		=cpio=
	Copy wanted partitions.		Copy wanted partitions.
Line 337:		Line 340:
	# -m preserve modification time.		# -m preserve modification time.
	# -a preserve access time.		# -a preserve access time.

	=cpulimit=		=cpulimit=
	Limit application cpu usage to 25% cpu utilization. Inherit limit to spawned processes.		Limit application cpu usage to 25% cpu utilization. Inherit limit to spawned processes.

Ekaanbj — Tue, 23 Jun 2026 13:26:33 GMT

variable

@@ Line 164: / Line 164: @@
 =autostart service=
   Set-Service -Name sshd -StartupType Automatic
 =variable=
 Set variable to content of file.
   $a = gc IPremote.exe.config
 =md5sum=
   [CmdletBinding(SupportsShouldProcess=$False)]
@@ Line 217: / Line 232: @@
 =list processes=
   Get-Process
 =kill processes from user=
   Get-Process -IncludeUserName | Where UserName -match joe | Stop-Process -force
@@ Line 423: / Line 441: @@
 =total memory in machine=
   Get-WMIObject -class win32_physicalmemory | Format-Table devicelocator, capacity -a
 =how much memory is free in GB=
   $freemem = Get-WmiObject -Class Win32_OperatingSystem; echo ([math]::round(($freemem.FreePhysicalMemory / 1024 / 1024), 2))
@@ Line 438: / Line 487: @@
 =memory usage as percent usage=
   $memory = Get-WmiObject Win32_OperatingSystem ; $totalMemory = $memory.TotalVisibleMemorySize ; $freeMemory = $memory.FreePhysicalMemory ; $usedMemory = $totalMemory - $freeMemory ; $memoryUsage = ($usedMemory / $totalMemory) * 100 ; "mem:{0:N0}%" -f $memoryUsage
 =disk usage=
@@ Line 501: / Line 554: @@
 =svchost.exe what is happening=
   tasklist /svc /fi "IMAGENAME eq svchost.exe"
 =computer management=

Ekaanbj — Tue, 16 Jun 2026 08:15:33 GMT

get ttl

← Older revision		Revision as of 08:15, 16 June 2026
Line 699:		Line 699:
	dig -x 89.253.75.84		dig -x 89.253.75.84
	==get ttl==		==get ttl==
			dig www.halfface.se +noall +answer +ttlid @8.8.8.8
	dig +nocmd +multiline +noall +answer any halfface.se		dig +nocmd +multiline +noall +answer any halfface.se

	==Get external ip.==		==Get external ip.==
	dig +short myip.opendns.com @resolver1.opendns.com		dig +short myip.opendns.com @resolver1.opendns.com

Ekaanbj — Sun, 14 Jun 2026 12:09:06 GMT

delete virtual machine.

← Older revision		Revision as of 12:09, 14 June 2026
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	virt-install --connect qemu:///system --name Fedora_16 --ram 2048 --vcpus=1 -f /ssd/libvirt/Fedora_16.qcow2 -s 30 -c /install/system/linux/fedora/16/Fedora-16-x86_64-netinst.iso --vnc --noautoconsole --hvm		virt-install --connect qemu:///system --name Fedora_16 --ram 2048 --vcpus=1 -f /ssd/libvirt/Fedora_16.qcow2 -s 30 -c /install/system/linux/fedora/16/Fedora-16-x86_64-netinst.iso --vnc --noautoconsole --hvm
	=delete virtual machine.=		=delete virtual machine.=
	virsh undefine ~~kvm_1~~		virsh undefine <vm>
			virsh undefine <vm> --nvram

	=list libvirt storage pools=		=list libvirt storage pools=
	virsh pool-list --all		virsh pool-list --all