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Read MoreThinkPad x201 Ubuntu 10.04 Lucid Lynx Wireless
The ThinkPad x201 is a great platform for Ubuntu 10.04. The default installation contains an outdated version of the Thinkpad BGN wireless drivers. After first boot you can see networks(not all available), and connect to some – but in general this will give you difficulties. The recommendation is to first update your installation via-Ethernet to automatically download the patch. Upon restart, you will have a fully functional Ubuntu installation.
This is where and how it was solved:
https://bugs.launchpad.net/ubuntu/lucid/+source/linux/+bug/567016
MySQL error /usr/libexec/mysqld: unknown option ‘–skip-bdb’
MySQL version 5.1.47 failing to start after upgrade? Here is the brief:
Problem: tail -f /var/log/mysqld.log
1 | /usr/libexec/mysqld: unknown option '--skip-bdb' |
After poking around for a quick solution, nobody seemed to release that the bdb dependncy is no longer used in /etc/my.cnf configuration file.
Old my.cnf:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | [mysqld] set-variable=local-infile=0 query-cache-type = 1 query-cache-size = 6M datadir=/var/lib/mysql #socket=/usr/libexec/mysqld socket=/var/lib/mysql/mysql.sock user=mysql # Default to using old password format for compatibility with mysql 3.x # clients (those using the mysqlclient10 compatibility package). old_passwords=1 skip-bdb set-variable = innodb_buffer_pool_size=2M set-variable = innodb_additional_mem_pool_size=500K set-variable = innodb_log_buffer_size=500K set-variable = innodb_thread_concurrency=2 [mysqld_safe] log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid skip-bdb set-variable = innodb_buffer_pool_size=2M set-variable = innodb_additional_mem_pool_size=500K set-variable = innodb_log_buffer_size=500K set-variable = innodb_thread_concurrency=2 |
New:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | [mysqld] set-variable=local-infile=0 query-cache-type = 1 query-cache-size = 6M datadir=/var/lib/mysql #socket=/usr/libexec/mysqld socket=/var/lib/mysql/mysql.sock user=mysql # Default to using old password format for compatibility with mysql 3.x # clients (those using the mysqlclient10 compatibility package). old_passwords=1 #skip-bdb set-variable = innodb_buffer_pool_size=2M set-variable = innodb_additional_mem_pool_size=500K set-variable = innodb_log_buffer_size=500K set-variable = innodb_thread_concurrency=2 [mysqld_safe] log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid #skip-bdb set-variable = innodb_buffer_pool_size=2M set-variable = innodb_additional_mem_pool_size=500K set-variable = innodb_log_buffer_size=500K set-variable = innodb_thread_concurrency=2 |
Add jail shelled FTP/SSH user on CentOS / Plesk
The process of adding a new FTP user with SSH access to a Plesk / CentOS server is more difficult than it needs to be. Plesk will only allow you to add WebUsers to your domains which have FTP accounts, not full SSH accounts. Here is the quick and dirty. We want our new user to be in chroot jail and to inherit the same permissions as another user on the system. The user will be restricted to the top level directory you define (for example httpdocs in this case).
Login as Root:
1.
1 | cat /etc/passwd/ | grep 'anyusername' |
This will return:
anyusername:x:10009:2524::/var/www/vhosts/anydomain.com:/bin/bash
The first set of numbers after “:x:” is the UID or User Identifier. We will use this in the next command to copy the same permissions.
2.
1 | useradd -u 10009 -o -d /var/www/vhosts/anydomain.com/httpdocs/ -g psaserv -s /usr/local/psa/bin/chrootsh newusername |
Replace “anydomain.com” with your domain, and “newusername” with the new user you would like to add.
3.
1 | passwd newusername |
Gives the user a password.
4.
1 | usermod -s /bin/bash newusername |
Boom! Done.
Extras:
For an in-depth discussion on working with rssh, chroot, and users – see UnixCraft
Acer Aspire 3690 Broadcom Wireless 43xx Ubuntu 9.10 Karmic
Issue : After installing Ubuntu 9.10 wireless and wired networking are either working sporadicly or not at all. The most vanilla solution you will find.
Target : Acer Aspire 3690-2159
Hardware : Broadcom 4318 Wireless Adapter
Ensure your wireless switch is turned on in the front before reading step 1.
1. Install Ubuntu 9.10
2. Plug in active internet connection the Wired ethernet
3. Run update-manager
4. Restart after Kernel update
5. Now with internet still plugged in, goto System>Administration>Hardware Drivers
6. Select the Broadcom B43 wireless drive and click activate.
7. Type in your administrator password
8. Restart
et Voila.
Read MoreCreate multiple email accounts Plesk 8
After much hunting around and reading through the Plesk Administrator Guide I finally found an easy way for creating multiple e-mail accounts in batch! This is not a MySQL hook or database related, but stems from the logic of wanting to create multiple accounts at once.
To create an e-mail account in Plesk, first login to your server via SSH.
Execute the following:
/usr/local/psa/bin/mail --create new@yourdomain.com -passwd newpassword-cp-access false
If you want to run a batch, create a script:
1 2 3 4 5 6 7 8 9 | #/bin/bash /usr/local/psa/bin/mail --create new@yourdomain.com -passwd newpassword-cp-access false /usr/local/psa/bin/mail --create new@yourdomain.com -passwd newpassword-cp-access false /usr/local/psa/bin/mail --create new@yourdomain.com -passwd newpassword-cp-access false /usr/local/psa/bin/mail --create new@yourdomain.com -passwd newpassword-cp-access false |
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