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- Persistent ipset for Ubuntu/Debian compatible with ufw and iptables-persistent https://selivan.github.io/2018/07/27/ipset-save-with-ufw-and-iptables-persistent-and.html 4 comments linuxadmin
- Block ssh or any other service brute-force attempts with iptables https://selivan.github.io/2018/07/07/block-ssh-bruteforce-with-iptables.html 12 comments linuxadmin
- Self-hosted socks5 server in a single command https://selivan.github.io/socks/ 19 comments linux
- Ubuntu based thin client made with your own hands https://selivan.github.io/2018/03/08/ubuntu-based-thin-client.html 13 comments linux
- Ubuntu based thin client made with your own hands https://selivan.github.io/2018/03/08/ubuntu-based-thin-client.html 5 comments linuxadmin
- Using Ansible dynamic AWS EC2 inventory with encrypted credentials in vault https://selivan.github.io/2018/01/31/ansible-dynamic-inventory-ec2-keys-in-vault.html 25 comments devops
- Using Ansible with bastion host https://selivan.github.io/2018/01/29/ansible-ssh-bastion-host.html 20 comments linuxadmin
- Ansible: multiline shell script inside playbook https://selivan.github.io/2018/01/01/ansible-multiline-shell-script.html 5 comments ansible
- GRUB 2: password protection for all but default menu entries https://selivan.github.io/2017/12/21/grub2-password-for-all-but-default-menu-entries.html 4 comments linux
- Ansible: properly copy local files within the target host https://selivan.github.io/2017/06/07/ansible-copy-local-files-within-target-host.html 13 comments ansible
- Rsyslog configuration: forwarding log files with file names, handle multi-line messages, no messages lost on server downtime, failover server https://selivan.github.io/2017/02/07/rsyslog-log-forward-save-filename-handle-multi-line-failover.html 12 comments devops
- Fix network hanging for WiFi card Realtek RTL8723BE on Linux kernel 4.4 https://selivan.github.io/2017/01/25/linux-4.4-realtek-rtl8723be-wifi-fix-hanging.html 4 comments linux
- Ansible: human readable git diff for vault ecnrypted files https://selivan.github.io/2016/11/29/ansible-human-readable-git-diff-for-vault.html 4 comments ansible
- Change in PHP 7 that may break some of Ubuntu servers on update https://selivan.github.io/2016/08/16/php7-change-may-break-some-ubuntu-servers-on-update.html 5 comments linux
- Change in PHP 7 that may break some of Ubuntu servers on update https://selivan.github.io/2016/08/16/php7-change-may-break-some-ubuntu-servers-on-update.html 12 comments linuxadmin
- Zabbix: equal timeouts on server and agent can cause irregulary appearing problems https://selivan.github.io/2016/06/14/zabbix-server-agent-wrong-default-timeouts.html 3 comments linuxadmin