Lee Foster lpf23
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| sudo add-apt-repository ppa:michael-gruz/canon-trunk | |
| sudo apt-get update | |
| sudo apt-get install cnijfilter-common | |
| sudo apt-get install cnijfilter-mg5200series |
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| File & Directory chmod value: | |
| 1) stat --format '%a' <file/directory> | |
| 2) stat -c %a <file/directory> | |
| File & Directory Sizes: | |
| du -sh * |
lpf23
/ Install VirtualBox Guest Additions on Centos 6.5
Created
June 11, 2014 19:45
Install VirtualBox Guest Additions on Centos 6.5
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| 1. In order to fully update your guest system, open a terminal and run | |
| yum update | |
| as root. | |
| 2. Install the GNU C compiler and the kernel development packages using | |
| yum install gcc |
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| heroku pgbackups:capture DATABASE --app app1 --expire |
lpf23
/ SHA1 JavaScript Demo
Created
May 21, 2014 19:26
Demo HTML page that runs a string through SHA1
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| <html> | |
| <script type="text/javascript"> | |
| /** | |
| * Secure Hash Algorithm (SHA1) | |
| * http://www.webtoolkit.info/ | |
| **/ | |
| function SHA1(msg) { | |
| function rotate_left(n,s) { | |
| var t4 = ( n<<s ) | (n>>>(32-s)); | |
| return t4; |
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| $ cd /workspace/TECBlog <---- location of package.json file | |
| $ npm install <---- install packages referenced in package.json (only need to run once) | |
| $ grunt <---- run commands (theme changes, optimizations, etc.) in Gruntfile.js |
lpf23
/ Update VBoxGuestAddtions on CentOS Guest
Created
May 9, 2014 15:54
Update VirtualBox Guest Additions on CentOS
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| I ran into an issue updating VirtualBox Guest Additions on CentOS 6.5 guest. | |
| This error specifically: | |
| "Virtualbox Guest Additions installation, Windows System and desktop setup install_x11_startup_app: no script" | |
| To resolve this error: | |
| 1) Remove any old VBoxGuestAdditions-x.x.xx directories in /opt/ | |
| ex: # rm -rf /opt/VBoxGuestAdditions-4.3.08 | |
| 2) Remove symlinks /usr/lib64/VBoxGuestAdditions and /usr/share/VBoxGuestAdditions |
lpf23
/ Install postgresql on CentOS - configure to connect with pgAdmin
Last active
August 29, 2015 14:00
Installing postgres on CentOS - pg_hba.conf modifications
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| 1) # yum install postgresql postgresql-server | |
| 2) # chkconfig postgresql on | |
| 3) # service postgresql start | |
| 4) # sudo -s | |
| 5) # su - postgres | |
| 6) $ psql -d template1 -U postgres | |
| 7) ALTER USER postgres WITH PASSWORD '<newpassword>'; | |
| 8) \q | |
| 9) # cd /var/lib/psql/data | |
| 10) # vi pg_hba.conf |
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| # vi /etc/sysconfig/netwokr-scripts/ifcfg-eth0 | |
| DEVICE=eth0 | |
| ... | |
| BOOTPROTO=static | |
| IPADDR=192.168.1.123 | |
| NETMASK=255.255.255.0 | |
| ... |
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| http://wiki.centos.org/TipsAndTricks/BecomingRoot | |
| -- su -- | |
| su - <user> --> gives identity of <user> along with <user>'s environment | |
| su <user> --> gives identity of <user> only | |
| su - root --> gives identify ot root along with environment | |
| su root --> gives identity of root only | |
| su - --> gives identity of root along with environment |