raspbian: enable ssh for headless install
raspbian OS can enable ssh by default. this is handy for a headless install. mount boot partition: $ sudo mount /dev/mmcblk0p1 /mnt create ssh file: $ sudo...
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linux: restrict internet access to processes
to run programs with restricted internet access do the following $ unshare -r -n ping 127.0.0.1 source: link
Update local git clone: new TAGS
When you have a local clone of a remote repository and want to update it: pulling will not get all the new tags... run the following [code language="bash" co...
Synology: SEC_ERROR_REVOKED_CERTIFICATE
updating your synology to DSM6.2.2 will lead to a certificate error. it cannot renew the letsencrypt certificate anymore. current workaround: pre: ports 80,...
Arch: find package for specific command
The problem is: How do you find the package for a given command? Two solutions are presented. Use the program pkgfile. Use pacman. Update database: $ sudo...