March 12, 2024
Another to remember
https://macmenubar.com
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March 12, 2024
Another post to remember
Any type
Open Source Only
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March 12, 2024
Incredible list
https://github.com/awesome-selfhosted/awesome-selfhosted
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30 de outubro de 2023
In this example we'll expand a partition sdb1 mounted on the /opt directory.
on the proxmox side
The first thing to do is expand the disk using the proxmox UI, for that you'll need to turn off the kvm instance, expand the disk and turn it on again.
on the linux side
now with the os running you can
umount /opt
parted /dev/sdb
print
fix
resizepart sdb1 100%
quit
xfs_repair /dev/sdb1
mount /opt
xfs_growfs /dev/sdb1
that's it!
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July 15, 2023
Fast and simple!
systemctl disable systemd-resolved.service
systemctl stop systemd-resolved
echo nameserver 1.1.1.1 > /etc/resolv.conf
echo nameserver 8.8.8.8 >> /etc/resolv.conf
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July 2, 2023
Just a mind note, as always.
Host *
User gutocarvalho
# keepalive
TCPKeepAlive yes
ServerAliveInterval 10800
# network config
AddressFamily inet
Compression yes
Protocol 2
# log config
LogLevel INFO
# GSSAPI config
GSSAPIAuthentication no
GSSAPIDelegateCredentials no
# checkings
VerifyHostKeyDNS no
StrictHostKeyChecking no
# hosts obfuscation
#HashKnownHosts yes
# ciphers
Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr
# connection control
ControlPath ~/.ssh/controlmasters/%r@%h:%p
ControlMaster auto
ControlPersist yes
# algoritms
HostKeyAlgorithms ssh-ed25519-cert-v01@openssh.com,ssh-rsa-cert-v01@openssh.com,ssh-ed25519,ssh-rsa
KexAlgorithms curve25519-sha256@libssh.org,ecdh-sha2-nistp521,ecdh-sha2-nistp384,ecdh-sha2-nistp256,diffie-hellman-group-exchange-sha256
MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,umac-128@openssh.com
## special domain
Host *.domain.ai *.domain.sh *.domain.io
User gcarvalho
Port 2222
IdentityFile /path/to/your/ssh/key
## internal network password
Host 192.168.1.*
User ubnt
Port 22
PreferredAuthentications password
PubkeyAuthentication no
ControlMaster no
## internal network sshkey
Host 192.168.222.*
User ansible
Port 8820
IdentityFile /path/to/your/ssh/key
ControlMaster no
## git services
Host github github.com
HostName github.com
PreferredAuthentications publickey
IdentityFile /path/to/your/ssh/key
User gutocarvalho
Host bitbucket bitbucket.org
HostName bitbucket.org
PreferredAuthentications publickey
IdentityFile /path/to/your/ssh/key
User gutocarvalho
Host gitlab gitlab.com
HostName gitlab.com
PreferredAuthentications publickey
IdentityFile /path/to/your/ssh/key
User gutocarvalho
## other services
Host mastodon-prod
Hostname host.domain.tld
User gutocarvalho
Port 4430
IdentityFile /path/to/your/ssh/key
Host mastodon-dev
Hostname host.domain.tld
User gutocarvalho
Port 4431
IdentityFile /path/to/your/ssh/key
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June 29, 2023
For more show options
show command [TAB] [TAB]
show
version
show version
configuration
show configuration all
logs with tail-like view
show log tail
network
summary
show interfaces
detailed
show interfaces detail
arp table
show arp
debugging
show debuging
load balancer
status
show load-balance status
watchdog status
show load-balance watchdog
dns
statistics
show dns forwarding statistics
dhcp
leases
show dhcp leases
statistics
show dhcp statistics
ntp
configuration
show ntp
disk usage
show system storage
memory usage
show system memory
processeses
show system processes
uptime
show system uptime
Connections information
show system connections
users
show system login users
defining the network controller
Informing the Controller
set-inform http://unifi_network_controller_ip_here:8080/inform
reset & restore
Resetting to the default config
syswrapper.sh restore=default
refs
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June 27, 2023
why?
Ubuntu 20.04 certbot package is ancient, the packge offers version 0.40.0 instead the current version is 2.6.x.
I need some resource like —preferred-chain that only exists in the recent version.
let's install it
apt remove certbot -f
installing depencies
apt install python3 python3-venv libaugeas0
creating a venv
python3 -m venv /opt/certbot/
upgrading pip
/opt/certbot/bin/pip install --upgrade pip
installing the plugins
/opt/certbot/bin/pip install certbot certbot-apache certbot-nginx certbot-dns-cloudflare
creating the simbolic link
ln -s /opt/certbot/bin/certbot /usr/bin/certbot
creating a certificate for my zimbra
certbot certonly --dns-cloudflare --dns-cloudflare-credentials /etc/letsencrypt/cloudflare/nativetrail.conf -d '*.nativetrail.io,nativetrail.io' -n --force-renewal --preferred-chain "ISRG Root X1"
That's it ;)
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June 25, 2023
https://technitium.com/dns/
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June 25, 2023
create the directory
$ mkdir -p ~/.ssh/controlmasters/
edit your ssh config file
$ vim ~/.ssh/config
at the top (first line, first config) add this
Host *
ControlPath ~/.ssh/controlmasters/%r@%h:%p
ControlMaster auto
ControlPersist yes
that's it!
references
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