Christopher Juckins

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centos_6_migration_notes [2015/02/11 07:22] – juckinscentos_6_migration_notes [2016/04/10 17:46] (current) – juckins
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 +==== CentOS 6 Migration Notes ====
 +
 +
 RedHat Guides:\\ RedHat Guides:\\
 http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Migration_Planning_Guide/chap-Migration_Guide-Package_Changes.html http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Migration_Planning_Guide/chap-Migration_Guide-Package_Changes.html
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 ---- ----
 +
 +**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)** **July 2014:\\ 1) Kernel panic and boot failure on Dell Inspiron 6400: (VFS cannot open root device "UUID=xxxx)**
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   * Appearance   * Appearance
-  *   * Qute 6++ (custom mod) 1.3.5 as of 11 Feb 2015 +      * Qute 6++ (custom mod) 1.3.5 as of 11 Feb 2015 
-  * Extensions+  * Extensions (current)
       * Classic Theme Restorer 1.2.9.3       * Classic Theme Restorer 1.2.9.3
 +      * ShowIP 2.7.7
 +      * Web Developer 1.2.5
 +  * Extensions (old)
       * Live HTTP Headers 0.17       * Live HTTP Headers 0.17
       * RSS Icon 1.0.6       * RSS Icon 1.0.6
-      * ShowIP 1.8.1 
       * Status-4-Evar 2012.07.08.17       * Status-4-Evar 2012.07.08.17
-      * Web Developer 1.2.1 
       * wmlbrowser 0.7.26       * wmlbrowser 0.7.26
       * DownloadHelper 4.9.9       * DownloadHelper 4.9.9
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 ---- ----
-\\+
 Install Brother HL2170-W printer Install Brother HL2170-W printer
   * Make sure cups is turned on in chkconfig and service is running   * Make sure cups is turned on in chkconfig and service is running
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 ---- ----
-\\+
 Install Virtual Box, see [[virtualbox_notes|]] on separate page. Install Virtual Box, see [[virtualbox_notes|]] on separate page.
  
 ---- ----
-\\+
 Install NX/NoMachine Install NX/NoMachine
   * If you try to connect and fails, make sure /etc/hosts has the machine's IP and name   * If you try to connect and fails, make sure /etc/hosts has the machine's IP and name
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 ---- ----
-\\+
 Make 'service ntpd restart' sync to a clock source each time: Make 'service ntpd restart' sync to a clock source each time:
  
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 ---- ----
-\\+
 Disable direct ssh root login by editing PermitRootLogin in /etc/ssh/sshd_config  Disable direct ssh root login by editing PermitRootLogin in /etc/ssh/sshd_config 
  
 ---- ----
-\\+
 Specific hardware notes about HP P7-1235: Specific hardware notes about HP P7-1235:
  
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 ---- ----
-\\+
 Screenshot of desktop Screenshot of desktop
  
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 ---- ----
-\\+
 switchdesk package missing; how to set default window manager: switchdesk package missing; how to set default window manager:
  
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 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.  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
centos_6_migration_notes.1423657375.txt.gz · Last modified: 2015/02/11 07:22 by juckins