**Linux System Administration Tips and Tricks**\\
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[[Allowing passive FTP connections]]\\
[[.htaccess files|Apache .htaccess but allow from IP address]]\\
[[awk examples]]\\
[[Bash configs: .bashrc vs .bash_profile]]\\
[[Bash History settings]]\\
[[Bash Login Profile]]\\
[[Burn CD from .iso image]]\\
[[Canon LiDE 70 scanner in Linux]]\\
[[Checking network speed]]\\
[[Combine / Merge PDF files]]\\
[[Create DVD .iso from .iso on multiple CDs]]\\
[[Create .iso image from a CD]]\\
[[Cron Tips]]\\
[[C-Shell and other Linux custom prompts]]\\
[[Disable Screen Blanking]]\\
[[Disable Terminal Bells]]\\
[[Distorted IE Images / Dell Laptop 1920x1200]]\\
[[Dokuwiki Links|Dokuwiki Reference Links]] \\
[[Dynamic DNS and LetsEncrypt]]\\
[[Enigmail Setup and GnuPG keys]]\\
[[/etc/passwd and /etc/shadow Error Messages]]\\
[[Exporting/Importing Database Tips]]\\
[[Find Duplicate Files in Linux]]\\
[[Find Files]]\\
[[Finding open files or files being accessed]]\\
[[Find out what RPM package provides a library]] \\
[[Fixing Java in Firefox 3.6.x on Linux x64]]\\
[[Force HTTPS/SSL by directory with .htaccess]]\\
[[Force HTTPS/SSL by directory with httpd.conf]]\\
[[GCC Update]]\\
[[Gmail encryption|Gmail encryption and other tips]]\\
[[Google Analytics Tips]]\\
[[Google Chrome DevTools Tips]]\\
[[Google Chrome - Installing as non-root user]]\\
[[Google Chrome - Installing for CentOS 6 and having it auto update]]\\
[[gvfsd-metadata running for a long time]]\\
[[High CPU Usage]]\\
[[How to restart a print queue]]\\
[[HTTP server fails to start]]\\
[[HTTPS Server Configuration]]\\
[[Installing RPMs]] \\
[[KDE preferences in RHEL5 for better performance]]\\
[[Linux password managers]]\\
[[Linux System Rescue CD]]\\
[[Man Pages and Funny Characters]]\\
[[Memory testing]]\\
[[Memory usage|Monitoring Memory Usage]]\\
[[Monitoring Network Performance]]\\
[[Mount a USB flash drive]]\\
[[Mount CDROM]]\\
[[Multihome network connection]]\\
[[Mutt tips]]\\
[[MySQL setup options for a new install/config on RHEL5]]\\
[[Network Tips and Settings]]\\
[[Nice Windows fonts on Linux]]\\
[[NSS Tips]]\\
[[NTP Tips]]\\
[[NVIDIA Settings|NVIDIA Drivers and Settings]]\\
[[PHP Tricks]]\\
[[CentOS PHP5.6 upgrade|PHP 5.6 upgrade - CentOS]]\\
[[CentOS PHP7.2 upgrade|PHP 7.2 upgrade - CentOS]]\\
[[CentOS PHP7.4 upgrade|PHP 7.4 upgrade - CentOS]]\\
[[CentOS PHP8.1 upgrade|PHP 8.1 upgrade - Rocky Linux 8]]\\
[[PHP8.1 upgrade|PHP 8.1 upgrade - Rocky Linux 9]]\\
[[PHP8.2 on CentOS 7|PHP 8.2 upgrade - CentOS 7]]\\
[[PHP8.2 on Rocky Linux 8|PHP 8.2 upgrade - Rocky Linux 9]]\\
[[PHP8.3 on Rocky Linux 9|PHP 8.3 upgrade - Rocky Linux 9]]\\
[[Public IP]]\\
[[Querying X Windows Screen Resolution Settings]]\\
[[Recommended network card for linux]]\\
[[Recover Data from failed Netgear STORA MS2110 NAS]]\\
[[Resetting Root Password in GRUB]]\\
[[Restricted shell access for users]]\\
[[RHEL6 Login Screen Configuration]]\\
[[RPM -e Error Specifies Multiple Packages]] \\
[[rsync ignore hidden files]]\\
[[Sanitizing PHP for malicious user input]]\\
[[Self-signed SSL certificates]]\\
[[SELinux Configuration]]\\
[[Sequence of Numbers|seq to print a sequence of numbers]]\\
[[Setting System Clock to UTC/GMT Timezone]]\\
[[Soft Link Trick]]\\
[[sort command tricks]]\\
[[SSH disable reverse DNS]]\\
[[ssh_exchange_identification error]]\\
[[SSH authentication using only password, ignoring keys]]\\
[[SSH Login Banners]]\\
[[SSH without a password using public/private keys]]\\
[[SSH without checking known_hosts]]\\
[[SSI Includes with PHP and vice-versa]]\\
[[Thunderbird - Slow performance]]\\
[[Thunderbird - Sort folders with "_" first]]\\
[[Unzip/Untar a file and compile code]]\\
[[Using a scanner in linux with XSANE|Using a scanner in linux with XSane]]\\
[[vim Tips]]\\
[[vmware firefall settings]]\\
[[VMWare Screen Resolution Settings]]\\
[[VPN Client]]\\
[[VPN Notes]]\\
[[Xfce Notes]]\\
[[Yum won't update (unsubscriptable object)]]\\
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**Perl Tips**\\
\\
[[Best Practices]]\\
[[Install/Configure CPAN|Using CPAN]]\\
[[Local Perl Modules]]\\
[[Manipulating Date Strings]]\\
[[Print Immediately by Flushing Buffer]]\\
[[Reading entire file into a string]]\\
[[Remove newlines]]\\
[[Replace String Inline]]\\
[[Sending email]]\\
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**Linux Opensource and other Software Tools**\\
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[[Adding a second hard drive]]\\
[[Bootable USB drive from .iso file in Linux]]\\
[[ClamAV Antivirus]]\\
[[Dell BIOS updates when running Linux]]\\
[[DjVu files]]\\
[[DNS Performance Check]]\\
[[Dynamic DNS (DDNS) Notes]]\\
[[Public DNS Servers|DNS Servers (Public)]]\\
[[Firefox About_Config Tips|Firefox About:Config Tips]]\\
[[Firefox already running error]]\\
[[GIMP tricks]]\\
[[Git Notes]]\\
[[GMail as a Relay on Linux|GMail as a Relay on Linux with Postfix (non 2-factor auth)]]\\
[[GMail as a Relay on Linux CENTOS7|GMail as a Relay on Linux CENTOS7 (working for 2-factor auth)]]\\
[[GMail as a Relay on Linux CENTOS8|GMail as a Relay on Linux Ubuntu 20.04 LTS and CENTOS8 (working for 2-factor auth)]]\\
[[GMail on Linux with SSMTP|GMail on Linux with SSMTP (needs more testing)]]\\
[[GMail on Linux with MSMTP|Gmail on Linux with MSMTP (not well tested nor used)]]\\
[[GParted - partition editor]]\\
[[grep tricks]]\\
[[ImageMagick Notes]]\\
[[LibreOffice Notes]]\\
[[Linux Backups]]\\
[[MATE Desktop Notes]]\\
[[CentOS 6 Migration Notes|Migration Notes - CentOS 6]]\\
[[CentOS 7 Migration Notes|Migration Notes - CentOS 7]]\\
[[CentOS 8 Migration Notes|Migration Notes - CentOS 8]]\\
[[Rocky Linux 8 Migration Notes|Migration Notes - Rocky Linux 8]]\\
[[Rocky Linux 9 Migration Notes|Migration Notes - Rocky Linux 9]]\\
[[Rocky Linux 9 Migration Checklist|Migration Checklist - Rocky Linux 9]]\\
[[Mirroring with lftp|lftp to mirror websites]]\\
[[Mirror websites with wget]]\\
[[Nagios Config Commands]] \\
[[Mantis Tips]]\\
[[MySQL Time/Date Tips|MySQL Tips]]\\
[[NoMachine (NX) Remote Access for Unix/Linux|NoMachine (NX) Remote Access for Unix/Linux v3]]\\
[[NoMachine (NX) Remote Access for Unix/Linux v4]]\\
[[Percona Toolkist]]\\
[[phpMyAdmin - Importing a .csv into a table]]\\
[[Installing phpMyAdmin Tips|phpMyAdmin Installation Tips]]\\
[[postfix tips]]\\
[[PostgreSQL tips]]\\
[[Python code snippets|Python coding notes]]\\
[[Python virtual environments]]\\
[[Python notes|Python install notes]]\\
[[Python notes (work)]]\\
[[Python alternative upgrade notes]]\\
[[QGIS]]\\
[[Red Hat 6 Package Manifest]]\\
[[Red Hat 7 Notes]]\\
[[Remote Desktop tricks]]\\
[[Repair XFS Filesystem]]\\
[[Restore Data and Files from Corrupted Disks]]\\
[[Samba File Sharing]]\\
[[Serendipity Tips]]\\
[[Skype Call Recorder]]\\
[[Skype for Linux]]\\
[[Sudo Setup]]\\
[[Sunwait]]\\
[[TightVNC and Configs]]\\
[[Totem Movie Player]]\\
[[Clean up HTML Markup with "Tidy" and Perl|Tidy to clean up HTML Markup]] \\
[[Ubiquiti UniFi Access Point Notes]]\\
[[install_unifi_on_ubuntu|Ubiquiti UniFi controller - running on Ubuntu]]\\
[[install_unifi_on_centos|Ubiquiti UniFi controller - running on CentOS]]\\
[[Ubiquiti UniFi controller - Easy Installation]]\\
[[Ubiquiti UniFi controller - Migrating to new server]]\\
[[Ubiquiti EdgeRouter 6P Notes]]\\
[[VirtualBox General Notes]]\\
[[Android on VirtualBox|VirtualBox running Android]]\\
[[VirtualBox Notes|VirtualBox running CentOS 6]]\\
[[VirtualBox for CentOS 7 Notes|VirtualBox running CentOS 7]]\\
[[VirtualBox for CentOS 7 to CentOS 8 Upgrade in Place]]\\
[[VirtualBox for CentOS 8 Notes|VirtualBox running CentOS 8]]\\
[[VirtualBox for CentOS Stream Notes|VirtualBox running CentOS 8 Stream]]\\
[[VirtualBox Notes for Fedora 17|VirtualBox running Fedora]]\\
[[VirtualBox Notes for RHEL8|VirtualBox running RHEL8]]\\
[[VirtualBox Notes for RHEL9|VirtualBox running RHEL9]]\\
[[VirtualBox running Rocky Linux 8]]\\
[[VirtualBox running Rocky Linux 9]]\\
[[Ubuntu Notes|VirtualBox running Ubuntu 14]]\\
[[Ubuntu 16 Notes|VirtualBox running Ubuntu 16]]\\
[[Ubuntu 18 Notes|VirtualBox running Ubuntu 18]]\\
[[Ubuntu 20 Notes|VirtualBox running Ubuntu 20]]\\
[[Ubuntu 22 Notes|VirtualBox running Ubuntu 22]]\\
[[VirtualBox for Windows 10 Notes|VirtualBox running Windows 10 RC]]\\
[[Xming X Server for Windows]]\\
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**Android Info**\\
[[Samsung Galaxy S3 - Factory Reset]]\\
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**Windows and other Microsoft Tips**\\
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[[AppData / Profiles]]\\
[[Backup Script using xcopy]]\\
[[Backups with SyncToy 2.1]]\\
[[Brightcove Video Downloads]]\\
[[Crystal Reports]]\\
[[Disk space usage]]\\
[[GnuWin32 - Coreutils install]]\\
[[Hard Drive Copy sector-by-sector]]\\
[[ISO Recorder for Windows]]\\
[[Loading CDROM software onto laptop lacking CDROM drive]]\\
[[MagicISO]]\\
[[Make a free Public WiFi Hotspot]]\\
[[Microsoft Excel Tips]]\\
[[MS Word 2007 default spacing|Microsoft Word 2007 default spacing]]\\
[[NT Backup]]\\
[[Share USB Drive on home network]]\\
[[Start a program at boot]]\\
[[Thumbs.db - Disabling]]\\
[[Virtual Clone Drive - Mount .iso to virtual CDROM drive]]\\
[[Windows 7 Line Spacing & Icon Height]]\\
[[Windows 10 Notes]]\\
[[Windows Folders & Quicklaunch Menu]]\\
[[Windows ISO]]\\
[[Windows Update Very Slow]]\\
[[Windows-only Programs]]\\
[[WinSCP - Passwordless Login]]\\
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**Security Tools**\\
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Windows - Kaspersky Online Scan\\
Windows - Panda Anti Root Kit\\
Websites - VEGA [[https://subgraph.com/vega/index.en.html]]\\
Websites - ZAP [[https://www.owasp.org/index.php/ZAP]]\\
Websites - Pentest Tools [[https://pentest-tools.com/website-vulnerability-scanning/xss-scanner-online]]\\
\\
**IT Shopping Links**\\
\\
[[http://www.monoprice.com]] \\
[[https://pcpartpicker.com/]] \\
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**Other Topics**
\\
[[http://juckins.net/asmad|ASMAD (Amtrak Status History)]]\\
/* [[Car Pool Page]]\\ */
[[My IT To-Do List]]\\
[[Teleworking Tips]]\\