Sudo and su Ubuntu?

Question

Hard disks

Good afternoon.
Such a problem, instead of sudo -l on the ubuntu server, I executed the su -l command
, now after the sudo -l command the following error occurs

sudo -l
Matching Defaults entries for fsk on ubuntu:
    env_reset, mail_badpass, secure_path=/usr/local/sbin\:/usr/local/bin\:/usr/sbin\:/usr/bin\:/sbin\:/bin

User fsk may run the following commands on ubuntu:
    (ALL : ALL) ALL

And open vpn stopped connecting, I still don’t know for sure whether this is connected.
Please tell me how to get back what would work as before through sudo -l
thanks in advance

Answer 1

I will not open America to you, but:

In the vast majority of cases, errors are caused by a poor-quality data transfer cable, overclocking of the computer's PCI / PCI-E buses, or poor contact in the SATA connector on the disk or on the motherboard / controller.
Errors during transmission over the interface and, as a result, an increasing value of the attribute can cause the operating system to switch the operating mode of the channel on which the drive is located to PIO mode, which leads to a sharp drop in read / write speed when working with it and processor load up to 100% (visible in the Windows Task Manager).
In the case of Hitachi hard drives of the Deskstar 7K3000 and 5K3000 series, the growing attribute may indicate incompatibility between the disk and the SATA controller. To remedy the situation, you need to forcibly switch such a drive to SATA 3 Gb / s mode.
My opinion: if there are errors, reconnect the cable from both ends; if their number grows and it is more than 10 - throw away the cable and put a new one in its place or remove the overclock.

I also assume the possibility of poor-quality fixing hdd. In any case, plug the plugs and if the beech is thrown into overclock (funny, I know) - remove overclocking.

Answer 2

It is obvious that you have problems with the cable, replace it