Category: Linux
apt-get update failed because certificate verification
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Ubuntu apt-get update shows Certificate verification failed: The certificate is NOT trusted. The certificate chain uses expired certificate. Could not handshake:
Add AD Group account to sudoers in Ubuntu
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Add %ADgroup ALL=(ALL) ALL to sudoers file to provide sudo privilege to AD group
Update Date, Time, Timezone on Ubuntu
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Use timedatectl command to view and change time, date and timezone in Ubuntu
Expand Ubuntu disk after adding additional disk space in Hyper-V
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Quick and easy steps to expand Ubuntu disk space
Fixing missing network interface card in cloned Linux VM
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Cloned Linux VM reports missing network interface card because of mismatch MAC address in cloned VM and the one assigned by VMware.
Video – Make permanent installation of OpenSSH server on tiny core Linux
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Follow video tutorial to make permanent installation of OpenSSH on tiny core linux
Install SSH Server on Tiny Core Linux
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Install OpenSSH on tiny core linux using the command tce-load -wi openssh. Configure persistence SSH setup to remain even after reboot
IPTables Commands
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Useful commands to allow port in iptables, delete port in iptables, save iptables permanently.
Difference between /sbin/nologin and /bin/false
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Both /sbin/nologin and /bin/false are used to refuse login attempt however they differ slightly on providing customizable error message.
Fix print_req_error: I/O error, dev fd0, sector 0
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In fresh Ubuntu installation, fix print_req_error: I/O error, dev fd0, sector 0