How to reboot system during recovery

Reboot Linux operating system during recovery when shell is executed instead of standard init process.

How to limit bandwidth on specific network interface

Limit bandwidth on specific network interface using wondershaper.

Categories
SecOps

How to determine SSL cipher suites supported by the web-server

Determine SSL cipher suites supported by the web-server using OpenSSL.

Categories
Uncategorized

How to display details for specific OpenSSL cipher

Display details for specific OpenSSL cipher, only single one.

Categories
Uncategorized

How to change the number of reserved filesystem blocks

Change the number of reserved filesystem blocks.

Categories
Uncategorized

How to pretty-print OpenSSL ciphers

Create simple shell script to pretty-print OpenSSL ciphers.

Categories
SysOps

How to inspect OpenSSH client configuration

Inspect OpenSSH client configuration to search and display configured hosts.

Categories
SysOps

How to merge multi-process HAProxy statistics using GNU Awk

Merge multi-process HAProxy statistics using GNU Awk. This is a duct tape solution, as you should definitely use Lua.

Categories
SysOps

How to merge multi-process HAProxy statistics using Lua

Merge multi-process HAProxy statistics using Lua.

Categories
Uncategorized

How to increase maximum socket receive buffer size

Graylog will generate a warning to inform you that socket receive buffer size (SO_RCVBUF) should be increased.