ow do I switch from a ksh shell to bash on Linux or Unix system? How to change shells on Unix-like system?
am trying to download a file using ‘wget http://url’ syntax, but I am getting an error:
bash: wget: command not found
How do I fix this problem? How can I install wget on a CentOS/RHEL 7 or 6 server using yum command?
Continue reading “How to install wget on RHEL/CentOS 7 using yum”
am a new Linux and bash shell user. How do I permanently set $PATH on Linux? How can I permanently add a directory to shell PATH on Linux?
ow do I determine if a port is in use under Linux or Unix-like system? How can I verify which ports are listening on Linux server?
I would like to perform common automated configuration tasks and run commands/scripts after the LXD instance starts. How to use cloud-init to run commands on my Linux Container (LXD) instance at launch time?
am a new Linux and KVM user. How do I delete a VM guest with virsh command line on Linux operating system? How do I delete a virtual machine called vps42 on Ubuntu or CentOS Linux server?
very serious security problem has been found in the Linux kernel. A 0-day local privilege escalation vulnerability has existed for eleven years since 2005. This bug affects all sort of of Android or Linux kernel to escalate privileges. Any user can become root in less than 5 seconds. The bug has existed since Linux kernel version 2.6.22+. How do I fix this problem?