Do not blame admins (or in general users, too) of using nano (pico) it is away too simple for simple tasks, which are probably the…
commandline
su to user with no shell
Most users in our linux/unix system have no ability to login, because the shell is /sbin/nologin (or even /bin/false). But sometimes we need to execute…
Rename gnu screen session name
Ever wonder how you can rename your screen session name? You are in a hurry make a screen session execute some program and then you…
bash: find all files between a given time period
Here is the command to find all files between two given dates with find linux command: to use “find” with -newermt you must have find…
Bring up network interface with an IP address using “ip” command
Lately many linux distributions do not ship by default with ifconfig which is considered as old style of setting the network when we need to…
Check a certificate and a private key for a match
Ever wondered how to verify your private key with a certificate or CSR certificate? All of the three server certificate, private key and CSR contain…