What does the ./ mean (dot slash) in linux?
Oct 11, 2017 · The ./ notation is useful when trying to run a script or other executable in the current directory. Unlike the Windows command prompt, Unix (and Unix-like systems like Linux) shells do not check the current directory for executables before checking the PATH environment variable, and Unix systems tend not to include ./ in the PATH for security reasons. By having …
linux - What are the alternatives for checking open ports, besides ...
Nov 4, 2018 · We can use the following in order to test telnet VIA port; in the following example we test port 6667: [root@kafka03 ~]# telnet kafka02 6667 Trying 103.64.35.86... Connected to kafka02. Escape cha...
how to fix missing libcrypto.so.1.1? - Unix & Linux Stack Exchange
Dec 11, 2023 · I made the mistake of interrupting an upgrade and had the problem with that library missing. I had to download pacman-static so I could upgrade packages because pacman was wanting the old verison of libcrypto, but openssl was already upgraded to version 3. I was also having key problems so I ended up installing openssl-1.1 to fix the libcrypto errors and …
What does ">" do vs ">>"? - Unix & Linux Stack Exchange
I am currently doing preparation for my GCSE computing controlled assessment on Linux. I type ls > list and ls >> list into the command line, but it does not do anything. I have googled it...
How to list the kernel Device Tree - Unix & Linux Stack Exchange
Jun 14, 2016 · Closed 8 years ago. I am using an embedded Arm with a Debian build. How does one list the compiled devices from the device tree? I want to see if a device is already supported. For those reading this, the "Device Tree" is a specification/standard for adding devices to an (embedded) Linux kernel.
Using `openssl` to display all certificates of a PEM file
Mar 21, 2022 · I can use the following command to display the certificate in a PEM file: openssl x509 -in cert.pem -noout -text But it will only display the information of the first certificate. A PEM file may a...
dnf and yum: can not find package - Unix & Linux Stack Exchange
Jul 5, 2018 · As i run these commands to install any packages with yum or dnf: > sudo -c 'yum (or dnf) install [package name]' > sudo yum (or dnf) install [package name] I get this error: Last metad...
Set the default kernel in GRUB - Unix & Linux Stack Exchange
How can I pick which kernel GRUB 2 should load by default? I recently installed a Linux real-time kernel and now it loads by default. I'd like to load the regular one by default. So far I only mana...
linux - How do I make `ls` show file sizes in megabytes? - Unix
Feb 8, 2013 · What commands do I need for Linux's ls to show the file size in MB?
openssl - How to extract the Root CA and Subordinate CA from a ...
May 30, 2017 · How to extract the Root CA and Subordinate CA from a certificate chain in Linux? Ask Question Asked 8 years, 2 months ago Modified 5 months ago