MyTechForum
unix
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How do I fix my command not found error on my Linux server?
If you run a command and get a “command not found” error, you can do 2 things; specify the full path to...
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How do I re-read the kernel configuration file /etc/sysctl.conf on my Linux server?
If you make changes to /etc/sysctl.conf, such as changing the kernel.shmmax value, you can update the file and then run: sysctl -p...
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How do I show special characters in the vi editor?
To show special characters in a file, open the file with vi. Ex. vi /tmp/myfile Then type :set list This will show...
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How do I register my RHEL 5 Linux server with RHN?
If you try to run yum update or yum install on a new RHEL 5 server, you will get an error like...
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How do I check to see if SELinux is enabled on my Linux server?
Security-Enhanced Linux (SELinux) is a Linux feature that provides a mechanism for supporting access control security policies through the use of Linux...
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How do I determine how many open files there are on my Linux server?
To find out how many open files there are on your Linux server, you can use the lsof command. lsof | wc...
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How do I show the number of free inodes on my Linux server?
You can show the number of free inodes on your linux server using the command df -i. # servera: df -i Filesystem...
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How do I set the umask for files created on my Linux server?
To set the umask for all users, you can update the /etc/profile file. For individual users, you can update their .profile, .bash_profile,...
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How do I back up my VMWare configuration files?
Backing up your VMWare ESX configuration files is pretty simple if you use the VMWare binary vm-support. This useful command will create...
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How do I create a file with a specific timestamp or update the timestamp of an existing file?
To create a file with a specific timestamp or update the timestamp of a file, you can use the touch command. An...