Oracle Linux Boot ISO vs UEK boot ISO
When we tried to download Oracle Linux ISO, we saw 2 boot ISO images, the first one is "Boot ISO", the other is "UEK boot… Read More »Oracle Linux Boot ISO vs UEK boot ISO
How to Copy Hidden File and Directory
Hidden File and Directory First of all, let's see what we have in the directory. [erp@test ~]$ ls -al /backup/reports total 136 drwxrwxr-x 3 erp… Read More »How to Copy Hidden File and Directory
How to Resolve rm: cannot remove 'file': Permission denied
rm: cannot remove Tried to remove a file from the current directory, but it failed with permission denied. [erp@test ~]$ cd /backup/reports/ [erp@test reports]$ rm… Read More »How to Resolve rm: cannot remove 'file': Permission denied
How to Resolve mv: cannot move 'directory' to 'directory_2': Permission denied
mv: cannot move Tried to rename (mv) a directory owned by fin under /backup, but it failed with permission denied. [fin@test ~]$ cd /backup [fin@test… Read More »How to Resolve mv: cannot move 'directory' to 'directory_2': Permission denied
How to Resolve ksh: declare: not found
declare: not found Saw error declare: not found when we tried to make the modified profile come into effect in AIX. $ . ~/.profile ksh:… Read More »How to Resolve ksh: declare: not found
How Solaris Customize Prompt PS1
Customize Prompt PS1 For a newly created user in Solaris, its console prompt (PS1) looks a little different from Linux prompt, especially when the path… Read More »How Solaris Customize Prompt PS1
How to Resolve The program can't start because VCRUNTIME140.dll is missing from your computer
VCRUNTIME140.dll is Missing Tried to run some program in Windows Server 2016, but it failed with some error message like this: The error message in… Read More »How to Resolve The program can't start because VCRUNTIME140.dll is missing from your computer
How to Open Registry Editor Directly
Registry Editor Registry Editor is a repository that hierarchically stores low-level settings for Windows operating system and for applications. Open Registry Editor in Run Box… Read More »How to Open Registry Editor Directly
How to Disable Windows Firewall by Command
Turn off Windows Firewall We have learned about how to open port on windows firewall simply by commands in previous post. In this one, we'll… Read More »How to Disable Windows Firewall by Command
How to Open Port on Windows Firewall
After installing some software, you may need to open specific port on windows firewall to service external connections. For example, we open port 1433 for… Read More »How to Open Port on Windows Firewall