Differences

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--- centos_6_migration_notes [2015/02/11 07:05] – juckins
+++ centos_6_migration_notes [2016/01/24 09:49] – juckins
@@ Line 6: / Line 6: @@
 ----
+**Jan 2016**
+Disable kdump by removing kdump and kexec-tools RPMs.
+----
+**Dec 2015**
+Set up VSFTPD
+  * https://www.digitalocean.com/community/tutorials/how-to-set-up-vsftpd-on-centos-6--2
+  * http://serverfault.com/questions/243816/vsftpd-allow-access-only-for-certain-users
+  * https://radu.cotescu.com/vsftpd-and-symbolic-links/
+    * Make the target directory at the location you want it as the desired user
+    * Make the target directory in the desired user's $HOME
+    * as root: mount --bind /real/directory /ideal/directory
+    * restart vsftpd
+  * Check all settings in /etc/vsftpd
 **July 2014:\\ 1) Kernel panic and boot failure on Dell Inspiron 6400: (VFS cannot open root device "UUID=xxxx)**
@@ Line 427: / Line 445: @@
 Java:
-http://www.mjmwired.net/resources/mjm-fedora-f16.html#java \\
+  * http://www.mjmwired.net/resources/mjm-fedora-f16.html#java \\
-http://www.oracle.com/technetwork/java/javase/downloads/jre7u7-downloads-1836441.html
+  * http://www.oracle.com/technetwork/java/javase/downloads/jre7u7-downloads-1836441.html
 Note some errors may occur upon java install but performance does not seem to be affected:
@@ Line 453: / Line 471: @@
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-\\
-Flash: \\
+Flash:
-http://www.mjmwired.net/resources/mjm-fedora-f16.html#flash
+  * http://www.mjmwired.net/resources/mjm-fedora-f16.html#flash
 ----
-\\
-Google Chrome: \\
+Google Chrome:
   * [[http://www.if-not-true-then-false.com/2010/install-google-chrome-with-yum-on-fedora-red-hat-rhel/]]
-Load gmail, download google talk plugin \\
+Load gmail, download google talk plugin
   * Check to see if a default communication device can be configured, or ring through the speakers
 ----
-\\
-USB HEADSET: \\
+USB HEADSET:
-Plugin to right-side lower USB jack on DELL Inspiron, type dmesg at root prompt to see if it was found by system
+  * Plugin to right-side lower USB jack on DELL Inspiron, type dmesg at root prompt to see if it was found by system
 usb 5-2: USB disconnect, address 2 \\
@@ Line 506: / Line 524: @@
 ----
 [[vpn_notes|Open Source VPN software]]
@@ Line 515: / Line 534: @@
 ----
 Install SSMTP and mutt for GMail using notes at [[gmail_on_linux_with_ssmtp|]]\\
 Install yum update email notification cron \\
@@ Line 560: / Line 580: @@
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-\\
 Turn off unneeded services
   * System > Administration > Services
@@ Line 614: / Line 634: @@
 ----
-\\
-Install Antivirus \\
 [[clamav_antivirus | Clam Antivirus Notes]]
 ----
-\\
-How to Pimp out CentOS for Desktop use \\
+How to Pimp out CentOS for Desktop use
-[[http://www.dedoimedo.com/computers/centos-perfect-desktop.html]]
+  * [[http://www.dedoimedo.com/computers/centos-perfect-desktop.html]]
 ----
-\\
 Install Skype for Linux - note that touch tones do not always work properly \\
-[[http://www.skype.com/intl/en-us/get-skype/on-your-computer/linux/]]
+  * [[http://www.skype.com/intl/en-us/get-skype/on-your-computer/linux/]]
 ----
-\\
 Thunderbird tweaks
-Install custom add-ons
   * Enigmail 1.4.4
 ----
-\\
-Firefox 10 tweaks \\
-Install custom add-ons
+Firefox tweaks
-  * Qute 4++ (custom mod) 1.1.2 as of 25 April 2012
-  * DownloadHelper 4.9.9
+  * Appearance
-  * Live HTTP Headers 0.17
+      * Qute 6++ (custom mod) 1.3.5 as of 11 Feb 2015
-  * RSS Icon 1.0.6
+  * Extensions (current)
-  * ShowIP 1.8.1
+      * Classic Theme Restorer 1.2.9.3
-  * Status-4-Evar 2012.07.08.17
+      * ShowIP 2.7.7
-  * Web Developer 1.2.1
+      * Web Developer 1.2.5
-  * wmlbrowser 0.7.26
+  * Extensions (old)
+      * Live HTTP Headers 0.17
+      * RSS Icon 1.0.6
+      * Status-4-Evar 2012.07.08.17
+      * wmlbrowser 0.7.26
+      * DownloadHelper 4.9.9
 [[http://joelinoff.com/blog/?p=321]]
@@ Line 682: / Line 703: @@
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-\\
 Install Brother HL2170-W printer
   * Make sure cups is turned on in chkconfig and service is running
@@ Line 690: / Line 711: @@
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-\\
 Install Virtual Box, see [[virtualbox_notes|]] on separate page.
 ----
-\\
 Install NX/NoMachine
   * If you try to connect and fails, make sure /etc/hosts has the machine's IP and name
@@ Line 700: / Line 721: @@
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-\\
 Make 'service ntpd restart' sync to a clock source each time:
@@ Line 706: / Line 727: @@
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-\\
 Disable direct ssh root login by editing PermitRootLogin in /etc/ssh/sshd_config
 ----
-\\
 Specific hardware notes about HP P7-1235:
@@ Line 723: / Line 744: @@
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-\\
 Screenshot of desktop
@@ Line 729: / Line 750: @@
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-\\
 switchdesk package missing; how to set default window manager:
@@ Line 736: / Line 757: @@
 When a user logs into the system, they can choose which desktop to load after they click their username but before entering their password (an icon will appear with the available desktops).  The system will remember the last-selected desktop.
+----
+Install fail2ban https://www.digitalocean.com/community/tutorials/how-to-protect-ssh-with-fail2ban-on-centos-6
+Tail /var/log/secure to view authentication attempts.
+Looking for blocked IP addresses:
+<code>
+# iptables -L |grep REJE ; iptables -L |grep REJE |wc
+</code>
+Disable email notifications so /var/log/maillog doens't keep filling up
+http://serverfault.com/questions/257439/stop-fail2ban-stop-start-notifications