DevOps  Systems Administration 

FreeBSD

August 27, 2022


Table of Contents


  1. Keeping software up to date

  2. Package Updates with Package Manager

  3. Amazing Utilities


    1. top

    2. atop

    3. htop

    4. iftop

  4. Moving Filesystem to a new Filesystem

  5. Moving Directories to a new Filesystem

  6. Updating hostnames

  7. WEB-518 – ROM website is down

  8. Switch off internal IP address

  9. How to find out what filesystem a file or dir belongs to

  10. fatal: cannot run /usr/bin/nano

  11. UNIX/Linux Closing ports

  12. How to install Linux Malware Detection (LMD)

  13. How to install ClamAV Antivirus

  14. public scanning is enabled (scan_user_access=1) but paths do not exist

  15. could not find required binary md5sum, aborting

  16. WARNING: Clamd was NOT notified: Can’t connect to clamd through /var/run/clamav/clamd.sock: No such file or directory

  17. FreeBSD – AUDIT

  18. FreeBSD – Updating Bash due to the Shellshock bug

  19. Commvault Simpana not working

  20. Uninstalling Commvault Simpana

  21. Installing Commvault Simpana

  22. FreeBSD – File Transfer Protocol (FTP)


    1. 9. File Transfer Protocol (FTP)


      1. 9.1. Configuration

      2. Note:

    2. My Notes!

  23. FTP does not work.

  24. Intrusion Detection System (Binary Verification)

  25. Installing IPFilter


    1. 5. IPFILTER (IPF)


      1. 5.1. Enabling IPF

      2. List Available OpenJDK Packages

      3. How To Install an OpenJDK Package

  26. {{ HOST_NAME }}

  27. Installing Java

  28. FreeBSD: How To Install an Apache, MySQL, and PHP (FAMP) Stack on FreeBSD


    1. Update your FreeBSD

    2. Install Apache 2.4

    3. Welcome OSTechNix web server

    4. Install MySQL 5.7 Client

    5. Install MySQL 5.7 Server

    6. Install PHP 7.0

  29. ERROR 1840 (HY000) at line 24: @@GLOBAL.GTID_PURGED can only be set when @@GLOBAL.GTID_EXECUTED is empty.

  30. PNG Images are not shown in PDF reports

  31. Refused to display ‘URL’ in a frame because it set ‘X-Frame-Options’ to ‘sameorigin’

  32. LAMP Upgrades breaks down network interface vmxf30


    1. ROMLX777 Before Upgrade

    2. ROMLX777 After Upgrade

    3. ROMLX16 Before Upgrade

    4. ROMLX16 After Upgrade

    5. ROMLX17 Before Upgrade

    6. ROMLX17 After Upgrade

    7. ROMLX18 Before Upgrade

    8. ROMLX18 After Upgrade

    9. ROMLX14 Before Upgrade

    10. ROMLX14 After Upgrade

    11. ROMLX2 Before Upgrade

    12. ROMLX2 After Upgrade


      1. On vSphere (or terminal)

      2. Display free disk space

      3. Display /etc/fstab

      4. Identify your new disk info (partitions and slices)

      5. Mount your new disk

      6. To Unmount your new disk

      7. Reboot (Not necessarily)

  33. FreeBSD cowardly refuses to upgrade from 10.0 to 11.2

  34. Your packages are up to date

  35. Mounting and Unmounting File Systems

  36. How to add additional space

  37. Use corrupted space on romlx999 on da0


    1. 3. Resizing and Growing Disks

  38. No space left on device (TO BE COMPLETED)

  39. Mapping Windows network drive into Unix

  40. Installing Nagios

  41. “svn add” won’t add two files

  42. service nagios restart  – Permission denied

  43. Internal Server Error

  44. ** PROBLEM Service Alert: romlx16/SSH is CRITICAL **

  45. ** PROBLEM Service Alert: romlx16/Swap Usage is CRITICAL **

  46. Installing Perl


    1. To view installed Perl modules


      1. Update your FreeBSD

  47. DBI module not found

  48. CGI module not found

  49. DBD::mysql module not found

  50. DBD::Sybase module not found

  51. Mail::Sendmail module not found

  52. Switch.pm module not found

  53. LWP/UserAgent.pm module not found

  54. Date/Manip.pm module not found

  55. Image/Magick.pm module not found (DONE)

  56. HTML/Entities.pm module not found

  57. pkg upgrade breaks down perl

  58. keeping software packages up-to-date

  59. You must upgrade pkg(8) first

  60. pkg upgrade breaks perl and subversion.

  61. /lib/libc.so.7: version FBSD_1.4 required by /usr/local/lib/libpkg.so.4 not found

  62. Unable to install Rootkit Hunter

  63. pkg: cached package rsync-3.1.3: size mismatch, cannot continue

  64. How to remove all packages

  65. pkg commands not working

  66. freebsd-update cannot merge configuration files

  67. How to remove packages

  68. Shared object “libssl.so.7” not found, required by “pkg”

  69. FreeBSD – Portsentry

  70. RootKits

  71. Installing RootKit Hunter

  72. Maintaining RootKit Hunter

  73. Analyzing RootKit Hunter Results

  74. Additional Steps from the rkhunter.log

  75. FreeBSD: Install Ruby and Ruby on Rails


    1. Introduction

    2. Step 1 — Setting bash as the Default Shell

    3. Step 2 — Installing RVM

    4. Step 3 — Installing Ruby

    5. Step 4 — Installing Ruby on Rails

    6. Step 5 — Creating a Test Project

    7. Conclusion

  76. Unable to switch ruby from 2.2.2 to 1.9.3

  77. bash: bundle: command not found

  78. Starting the rails daemon


    1. T3-a: Stoping the rails daemon

    2. T3-b: Starting the rails daemon

    3. T3-c: Restarting the rails daemon

  79. https://{{ HOST_NAME }}:3000

  80. Error loading RubyGems plugin


    1. Installing RVM

    2. Installing Ruby 2.2 DID NOT work.

    3. Installing Ruby 2.4.0 worked

    4. Installing Ruby 2.5.0 DID NOT work. I found out what the problem is. See 6. Installing Ruby 2.5.1 worked below.

    5. Installing Ruby 2.5.1 DID NOT work. I found out what the problem is. See 6. Installing Ruby 2.5.1 worked below.

    6. Installing Ruby 2.5.1 worked.

    7. Installing Ruby 1.9.3 DID NOT work. Finally GO IT working. See below.

  81. Installing Samba

  82. Configuring Samba

  83. Samba User Account Management

  84. View user accounts

  85. Update user accounts

  86. Using Samba

  87. Working with Samba on {{ HOST_NAME }}

  88. Working with Samba on {{ HOST_NAME }}

  89. V drive is inaccessible

  90. Samba does not work on Windows

  91. Samba does not work on MacOS

  92. pdbedit vs smbpasswd

  93. Samba is very slow on MacOS

  94. FreeBSD – Security

  95. Hiding/Exposing Internal Servers

  96. Preventing Logins

  97. Permitted Account Escalation

  98. Determine if images are indeed images

  99. hostname and ping on romlx16 gives different IP addresses

  100. How To Start / Stop / Restart Network and Routing Services

  101. Troubleshooting 1: Email messages are not being delivered

  102. Troubleshooting 2: Email messages are not being delivered for School Visits – Fixed

  103. Troubleshooting 3: Sendmail on romlx777 not working – NOT Fixed

  104. Installing SNMP (Simple Network Management Protocol)

  105. Installing Nano

  106. dos2unix & unix2dos

  107. date command shows incorrect time


    1. 11. Clock Synchronization with NTP

    2. 11.1. NTP Configuration


      1. Note:

    3. 11.2. Using NTP with a PPP Connection


      1. Note:

  108. If the above does not work, then set up the date and time to solve this issue


    1. FreeBSD Set Date Time and Timezone

    2. FreeBSD Display todays date

    3. FreeBSD set date and time

    4. FreeBSD Set Time Without Modifying The Date

    5. FreeBSD Setup Timezone

    6. date command and use of environment variable

    7. See also:


      1. Update your FreeBSD

      2. Install SUDO

  109. Installing Apache Solr

  110. Unable to connect to http://{{ HOST_NAME }}:8983/solr

  111. Your site was unable to contact the Apache Solr server

  112. SSH Login without a password.

  113. SSH allows users to login without a password

  114. Unix users experience problems logging in

  115. Unable to login to DNS server romlx1

  116. Unable to login to romlx777

  117. OpenSSH Banner version differs from ssh -vvv

  118. SSH users are unable to login

  119. Unable to login to romlx16 as puma


    1. Install sudo using FreeBSD port system

    2. Install sudo using pkg_add comamnd

    3. How do I configure sudo?

    4. Task: Become a root user with sudo

    5. Task: Run any command as root

  120. su: Sorry

  121. Password prompt

  122. Drupal logging errors to /var/log/messages

  123. Apache Tomcat

  124. Installing Apache Tomcat 7 Web Server

  125. Installing Apache Tomcat 6 Web Server

  126. Apache Solr not displaying results

  127. Apache Solr not displaying images in results

  128. How to upgrade IPT on {{ HOST_NAME }}

  129. How to enable SSL on {{ HOST_NAME }}

  130. Installing apache-solr with pkg

  131. Could not open a connection to your authentication agent

  132. GBIF is down AGAIN.

  133. User Management

  134. Adding/Deleting Users in FreeBSD


    1. Adding user account

    2. Create an internal SSH account

    3. Create an external SSH account – With Encryption

    4. Create an external SSH account – Without Encryption

    5. Deleting user account

    6. Setting or Changing User Password

    7. Changing Password For Other User Accounts

    8. Changing Group Password

    9. Changing Root Password

  135. PW

  136. Managing Groups


    1. Adding a Group Using pw(8)

    2. Adding User Accounts to a New Group Using pw(8) – Replace

    3. Adding a New Member to a Group Using pw(8) – Append

    4. Removing a Member from a Group Using pw(8)

    5. Using id(1) to Determine User Membership

    6. Using grep to Determine Group Membership

    7. Adding an existing user to group

    8. Deleting a group


      1. Update your FreeBSD

      2. Install perl and compat6x-amd64

      3. Soft link /usr/local/bin/perl into /usr/bin/perl

      4. Upload vmware tools (vmware-tools-distrib) to server /tmp directory

      5. Adjust permissions

      6. Run the perl.

  137. Locking accounts

  138. Unlocking accounts

  139. Changing login shell

  140. Setting account password change date

  141. Setting account expiry date

  142. Setting account login class

  143. User unable to login into newly upgraded FreeBSD 11.2

  144. Users unable to login to romlx16

  145. Disabling user accounts

  146. Enabling user accounts

  147. Installing Proprietary VMware Tools

  148. Installing Open Source VMware Tools


, , , ,
Written By victord On August 27, 2022