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Operating Systems

  • /scripts/perlinstaller is failing with "Can't locate Cwd.pm"
  • Nameserver error "Listening on HTTP socket failed: While binding: Address already in use"
  • Websites slow due to I/O
  • Can't access WHM Terminal from unprivileged LXC container
  • CSF will not start because /usr/sbin/ipset is missing
  • /bin/sh: COMMAND: command not found
  • Filesystem Performance Tuning for EXT-4
  • "su USER" Fails With "su: cannot create child process: Resource temporarily unavailable" Error
  • Yum failing with "This system is not registered with CLN" message
  • CloudLinux License Activation Fails with "Yours `rhn-client-tools` is outdated" Error
  • su: cannot open session: Cannot make/remove an entry for the specified session
  • Hostname resets on restart using Virtuozzo
  • Understanding Memory Usage On Linux Operating Systems
  • kernel: TCP: out of memory -- consider tuning tcp_mem
  • yum update fails due to matio and vips dependency conflict
  • I'm using Amazon's EC2 and I can't access cPanel, WHM, or Webmail
  • SSH won't start: bad configuration options
  • How can I determine a problem is due to File System Errors?
  • I added additional space to my partition and it's not showing up, what else do I need to do?
  • Error: Too many open files
  • Certain Servers Using Cent7/8 or RHEL 7/8 Not Booting After Update
  • Message "audit: backlog limit exceeded" reported and possibly hung system
  • "Too many links" error when attempting to start services or creating files
  • The "The system failed to lock the immutable" error
  • SSH: "Connection refused" errors
  • Package update error - "rpmdb open failed"
  • Service failures and outdated kernels
  • Network Issues - IP address lost
  • "E Sysup: Needed system RPMs were not installed" error
  • Too many levels of symbolic links
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