Home
CDR
EOF
OCR
TrixBox
active-directory
ami
amocrm
android
ansible
- Ansible and taskfile
- Ansible: Dynamic inventory from Digital Ocean
- Ansible: Dynamic inventory from Hetzner
- Ansible: Dynamic inventory from Proxmox
- Ansible Files from inventory
- Ansible include tasks
- Ansible Troubleshooting
- Ansible encrypt
- Basics
- Filter to_yaml and encrypted values
- Playbooks and tasks examples
antivirus
anyconnect
apache
- Apache Block by user-agent
- Apache issues
- Apache mod_rewrite
- Apache Redirect
- apache server-status w sending reply
- Apache slowhttppost
- Apache notes
- Melbis web service optimization
- Pagespeed
apparmor
apt
archlinux
argocd
asterisk
- Asterisk Cisco 7911G extension
- AmoCRM integration
- Basics
- Blacklist
- CDR setup
- Asterisk chan_dongle
- Dialplan
- GOIP voice
- Grandstream SIP phone
- Asterisk iptables firewall
- Asterisk: Link 2 PBX via PJSIP
- Asterisk logs logrotate
- Monast install
- Asterisk monast
- Asterisk: queue monitoring in Zabbix
- Asterisk | Save queue log in MySQL database
- Asterisk script for change externip
- SMS notification for unanswered calls
- Asterisk extensions: Linksys SPA922, Cisco SPA502G
- Asterisk stop log to syslog
- Asterisk test connection to AMI by telnet
- Asterisk TrixBox - the dark side of the force
- Asterisk Waster work-hours setup
- Zabbix Template for Asterisk
auditd
awk
aws
- Pull image from AWS ECR of other account with EC2 IAM Role
- Docker stack deploy does not pull images from AWS ECR: SOLVED
backdoor
badpractices
bash
bind
bitninja
bitrix
blackhole
boot
browser
cagefs
capsman
cassandra
centos
- Migrating Oblik to another host. Version 2
- Migrating Oblik to another host
- CentOS on VMware: network interface does not start
- Cron MAIL 0x0001#012 log error resolved
- dhcping
- Disable IPV6
- selinux
- Tar does not run in a user's cron job
- Users and groups
- VMWare ESX: shrinking a Linux guest partition with LVM
- VMWare ESX: enlarging a Linux guest partition with LVM
- Zabbix Disabling Journaling on ext4
- Zabbix Agent
cgroup
chmod
chrome
cisco
cli
clock
cloud-init
cloudlinux
contrainerd
cpanel
cron
crowdsec
crtime
cryptsetup
csf
ctime
curl
datadog
date
davmail
debian
- Building Exim with SPF support on Debian
- Apparmor
- Debian apt sources
- Debian Issue with DHCP client on interface with static IP
- Disable IPV6
- PPTPD automatic route from server
- Users and groups
- Debian routes external network IP ping through the lo interface
- Installing Oracle 12c on Debian
- Updating the UniFi controller on Debian
- Reduce UniFi database size
- Workstation on Debian
df
dhcp
dialplan
digitalocean
dkim
dmarc
dmi
dns
docker
- Pull image from AWS ECR of other account with EC2 IAM Role
- Cluster on docker swarm
- Troubleshooting
- Docker stack deploy does not pull images from AWS ECR: SOLVED
- Docker Swarm: Variables in docker-compose
- Swarm
- Basics
- Firewalld and docker forwarding ports
- Postgresql in Docker with SSL
- Postgresql in Docker
- RabbitMQ: cluster on docker swarm can not be assembled
- Traefik
- Traefik Example: local host, http only
- Windmill start script file in docker
docker-compose
- Troubleshooting
- Docker Swarm: Variables in docker-compose
- Postgresql in Docker with SSL
- Postgresql in Docker
- Traefik
- Traefik Example: local host, http only
doctl
dotfiles
dovecot
- Dovecot FTS
- Gmail on Android said the certificate is invalid (Dovecot SSL)
- Dovecot UserDB as multiple files for domains
- Sieve setup
- Basics
- IMAP check capability
- offlineimap: error: Invalid mailbox name: Ends with hierarchy separator
- Exim dovecot and cram-md5
- FreeBSD 10 Exim Dovecot RoundCube Spamassasin
- Dovecot loads the CPU
draytek
dsh
du
ecr
- Pull image from AWS ECR of other account with EC2 IAM Role
- Docker stack deploy does not pull images from AWS ECR: SOLVED
elasticsearch
- Basics
- Elasticsearch Single node Indexes templates
- UNASSIGNED shards
- Logstash
- Opensearch
- Vector by Helm with sink to ElasticSearch
elk
esxi
ethernet
exchange
- IMAP check capability
- Commands
- Exchange Hop count exceeded - possible mail loop
- Exchange cannot send messages with FullAccess and SendAs permissions
- The client Global Address List does not synchronize
- Exchange Reset mobile phone
- MS Exchange trusted certificate
- offlineimap: error: Invalid mailbox name: Ends with hierarchy separator
- Error 0x8004010f while downloading the Offline Address Book (OAB)
- Additional mailboxes are not synchronized to an OST file
- Mail forwarding without mailboxes
- download emails from attached mailbox microsoft exchange
- SMTP checking: swaks, openssl, telnet
- Test connection IMAP on python
- Zabbix Template for Exchange RU - Transport Server
- Zabbix SMTP Authentication on Exchange
exfat
exim
- Blackhole
- Blacklist
- Commands
- Exim dovecot and cram-md5
- Issues
- Retries
- Routers
- SpamAssassin and Exim
- Building Exim with SPF support on Debian
- Stress test with 100,000 messages in queue
- Basics
- FreeBSD 10 Exim Dovecot RoundCube Spamassasin
- SMTP checking: swaks, openssl, telnet
- Zabbix template for Exim
ext4
fail2ban
ffmpeg
figlet
find
firefox
firewall
firewalld
flash
fluent-bit
font
freebsd
- Stress test with 100,000 messages in queue
- FreeBSD 10 Exim Dovecot RoundCube Spamassasin
- Newsyslog
- PF on FreeBSD
- tftpd and tftp-hpa
- dhcping
- Disable IPV6
- Users and groups
- Migrating FreeBSD to another disk
frontend
fstab
ftp
fts
geoip2
git
- Git Clean sensitive data in commit history
- git remove commit history
- Git Remote backup repo
- git
- .gitattributes
- Dotfiles
gitea
gitlab
gmail
go-task
gpg
gpg2
gpu
grandstream
grep
group
grub
hardware
hash
hashcat
helm
hetzner
html
htpasswd
hushlogin
i3
iconv
iit
imap
- IMAP check capability
- download emails from attached mailbox microsoft exchange
- imapsync
- mbsync
- Test connection IMAP on python
imapsync
include
infra
inode
inputrc
inventory
- Ansible: Dynamic inventory from Hetzner
- Ansible: Dynamic inventory from Proxmox
- Ansible Files from inventory
ipset
iptables
iscsi
isp
ispmanager
isql
jabber
jenkins
jinja
- jinja create file from template without empty lines
- jinja set dictionary variable
- Using map.jinja in salt states
john
journalctl
jpg
jq
jwt
k3s
k8s
keto
kratos
kubernetes
kvm
label
last
legacy
librewolf
libvirt
linux
- apache server-status w sending reply
- Bash cat EOF
- Bash
- Apparmor
- Linux Archives
- auditd
- certbot notes
- Change ctime crtime of file
- chmod
- ClamAv
- linux create USB livecd
- Cron MAIL 0x0001#012 log error resolved
- CSF
- linux date tricks
- Debian Issue with DHCP client on interface with static IP
- Set default browser
- df
- dhcping
- du
- Linux external IP from CLI
- figlet
- find
- Generate random value
- grep tricks
- grub
- Linux hardware
- inode
- inputrc
- Disable IPV6
- journalctl
- Linux Backdoor Persistence
- Linux PAM
- Parallel
- sed tricks
- Linux shadow hashes
- logger
- ls
- Manjaro
- Linux memory usage
- mkpasswd
- Number of open files
- OpenSSL
- PPTPD automatic route from server
- ps
- Pulse Audio
- pv
- Remmina connect to win7
- Rename utility
- selinux: example avc denied - autorelabel
- selinux: example avc denied - chcon
- selinux
- Set disk label
- SNAP
- SSMTP
- sudoers
- sybase
- systemd
- Linux terminal clock
- tesseract
- Tmux
- Trim
- Ubuntu command not found
- Users and groups
- Virtualbox
- Linux work with images in CLI
- xargs
- Debian routes external network IP ping through the lo interface
- Installing Oracle 12c on Debian
- Veeam backup to Linux ssh
- Veeam Linux agent install
- VMWare ESX: shrinking a Linux guest partition with LVM
- VMWare ESX: enlarging a Linux guest partition with LVM
- Zabbix Agent
- DirSize folder size monitoring
livecd
logger
login
logrotate
logstash
logwatch
ls
lua
luks
manjaro
mariadb
mattermost
mbsync
memory
mikrotik
- Mikrotik backup to local USB
- Mikrotik CAPsMan
- Mikrotik PPTP client cannot access the network behind it
- Scripts
- Mikrotik
- Zabbix MikroTik interface statistics via SNMP
minio
miniocli
mkpasswd
monast
mongodb
monitoring
mssql
mx
mysql
- CDR setup
- Asterisk | Save queue log in MySQL database
- Melbis web service optimization
- PowerDNS
- Amount in words in Ukrainian
- Logrotate
- Restoring database from .frm .ibd files
- Short timestamp format in mysql slow query logs
- Troubleshooting
- Basics
- Wordpress too-slow
- MySQL monitoring
nc
netcat
netplan
netstat
network-manager
newsyslog
nextcloud
nginx
- Melbis web service optimization
- Example of migrating a site to a VPS
- Build nginx geoip2
- Pagespeed 404 file not found
- Basics
- Pagespeed
- Redmine Nginx Thin
nmap
ntfy
nut
nvidia
nvim
oathkeeper
oblik
- Migrating Oblik to another host. Version 2
- Migrating Oblik to another host
- Migrating Oblik to SCO OpenServer 5.0.7
- Oblik: database backups
- Oblik Backup Monitoring on Zabbix
offlineimap
- offlineimap: error: Invalid mailbox name: Ends with hierarchy separator
- offlineimap error: Error in IMAP command CREATE: Missing arguments
- download emails from attached mailbox microsoft exchange
oki
opencart
openobserve
opensearch
openssl
openvpn
oracle
- DataDog Oracle custom_query: Only float values can be submitted as metrics
- Oracle query: table size in bytes
- Installing Oracle 12c on Debian
ory
pacman
pagespeed
pam
pamac
parallel
password
percona
pf
php
- Melbis web service optimization
- Updating the PHP version of a running project
- PHP viruses
- PHP notes
- wlog
php-fpm
pillar
pjsip
playbook
plex
png
ports
postfixadmin
postgresql
powerdns
powershell
pptp
prlimit
procmail
proxmox
- Ansible: Dynamic inventory from Proxmox
- Install ESXi on Proxmox
- Templates with Cloud-init
- Proxmox and Vyos route
- Convert Veeam Backup volume to Proxmox
proxy
ps
pulseaudio
pv
pwgen
python
qemu
rabbitmq
raid
random
raspberrypi
rclone
read
redmine
regex
remmina
rename
robocopy
roundcube
rsync
s3
s5cmd
salt
- jinja create file from template without empty lines
- jinja set dictionary variable
- pillar for pseudo random hour value in cron
- Salt notes
samba
sco
searchguard
secrets
sed
selinux
sftp
shuf
sieve
signal
simpla
sip
slamav
slowlog
smarty
smb
smtp
snap
snapd
snmp
- Zabbix MikroTik interface statistics via SNMP
- Zabbix Template for OKI Printers
- Zabbix SNMP Template for Draytek
spamassassin
speed
spf
sql
sqlite
ssh
sshfs
sshpass
ssl
ssmtp
storiesfromlife
stow
strace
sucks
sudoers
swap
swarm
- Cluster on docker swarm
- Docker stack deploy does not pull images from AWS ECR: SOLVED
- Docker Swarm: Variables in docker-compose
- Swarm
- RabbitMQ: cluster on docker swarm can not be assembled
sybase
systemd
task
taskfile
teamviewer
telnet
terraform
tesseract
test
tftp
thunderbird
timestamp
tinyproxy
tmux
touch
traefik
transmission
trigger
trim
troubleshooting
tune2fs
ubuntu
ukrsib
ulimit
umask
unifi
upload
ups
usb
varmilo
vault
vector
- Vector Agent for Docker
- Vector Basic server
- Vector Debug
- Vector Demo logs
- Vector by Helm with sink to ElasticSearch
veeam
- Convert Veeam Backup volume to Proxmox
- Veeam backup to Linux ssh
- Veeam Error NFC storage connection
- Veeam Linux agent install
- vmware vbk restoring: Sparse file: Failed to set zero data in file
vesta
vim
virsh
virtualbox
vmdk
vmware
- Migrating SCO OpenServer 5.0.7 to VMWare 5.5
- CentOS on VMware: network interface does not start
- Install ESXi on Proxmox
- Veeam Error NFC storage connection
- LSI Megaraid on VMware
- VMWare ESX: shrinking a Linux guest partition with LVM
- VMWare ESX: enlarging a Linux guest partition with LVM
- VMWare traffic monitoring on a virtual switch
- Migrating FreeBSD to another disk
- vmware vbk restoring: Sparse file: Failed to set zero data in file
- vmware workstation: Failed to connect virtual device 'ethernet0'.
- VMware Workstation Networks
- Workstation on Debian
vps
vyos
waster
webhook
webuzo
win7
windmill
windows
- Robocopy
- powershell
- Windows cmd scripts
- net use
- Undelete server 2009 Windows 2008 R2
- Disable Defender in Windows 10
- AD User properties
- Windows Registry
- Windows sfc
- Windows time synchronization
wireguard
wlog
wordpress
wtmp
xargs
xfce
xfreedrp
xtrabackup
zabbix
- Asterisk: queue monitoring in Zabbix
- Monitoring Bad Practices
- Melbis web service optimization
- NUT
- Oblik Backup Monitoring on Zabbix
- Zabbix Disabling Journaling on ext4
- Zabbix Template for Asterisk
- Timeout while executing a shell script
- Zabbix Agent
- DirSize folder size monitoring
- Zabbix eth0 speed is -1
- Zabbix failed another network error
- Get previous value of item to the trigger operation data
- zabbix jabber notification
- Zabbix MikroTik interface statistics via SNMP
- Zabbix monitoring php-fpm
- SMTP server availability monitoring
- MySQL monitoring
- Zabbix Agent 2 Nvidia plugin
- Zabbix sender script
- Settings
- Zabbix Template for OKI Printers
- Zabbix Template for Exchange RU - Transport Server
- Zabbix SPAMFighter Template for Exchange
- Zabbix SMS Notifications
- Zabbix SMTP Authentication on Exchange
- Zabbix SNMP Template for Draytek
- Zabbix template for Exim
- Zabbix UPS APC Monitoring via NUT