If you are an Ubuntu + Android user, This post is for you !!! Most of all Ubuntu users uses “**Tomboy Notes**” – A simple and easy to use desktop note-taking application. Ever thought, How to sync those notes to your Android Device ??? Please follow these steps to get it done. – ***On Ubuntu […]
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Today i got a new mysql issue from one of my colleague. – Issue In MySQL TRIGGER command denied to user ‘username’@’192.168.0.112′ for table ‘abcd_table’ What you normally do ? As usual, I checked the user’s GRANTS with the following command. mysql> show grants for username@’%’; GRANT USAGE ON *.* TO ‘username’@’%’ IDENTIFIED BY PASSWORD ‘D1……….1A9F2’
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The problem is with the wireless adapter. To fix it you need to do this: Open a terminal and type: “` sudo modprobe -rf rt2860sta sudo modprobe rt2860sta“` Then you need to blacklist the wrong driver: `echo blacklist rt2800pci | sudo tee -a /etc/modprobe.d/blacklist.conf` Once you have rebooted (you will need to do a hard
Ubuntu – System hangs on shutdown/reboot, how to troubleshoot? Read More »
I will try to explain in here an easy way to add a lot of IP’s to a server without having to add every one of them manually but of course this works if IP’s are part of same classes. For example if you want to add a few IP’s from the 192.168.20.0 class: [root@JobNix
Add multiple IP’s to a Linux Box Read More »
Here you can see, how to change MTA qmail to any other you can set as simple sendmail or postfix, exim or qmail. `[root@JobNix~]#ll /etc/alternatives/mta` lrwxrwxrwx 1 root root 23 Aug 31 03:39 /etc/alternatives/mta -> /var/qmail/bin/sendmail [root@JobNix ~]# alternatives –config mta There are 4 programs which provide ‘mta’. Selection Command ———————————————– *+ 1 /var/qmail/bin/sendmail 2
How to change MTA on Centos5.6 – RHEL based server Read More »
Hi, This will explain how you can create an IAM user in AWS, so that you can grant access to only one S3 bucket. – Create an S3 bucket in AWS account. [](https://res.cloudinary.com/jobnix/image/upload/v1415999956/jobin_2012_02_24_01_vche3d.jpg) – Switch to AWS IAM tab – Click Group >> Create Group [](https://res.cloudinary.com/jobnix/image/upload/v1415999956/jobin_2012_02_24_02_azzusv.jpg) – Enter a Group Name, Click Continue
AWS – How to setup an IAM user to access only one s3 Bucket Read More »
# Error We cannot seem to find what you were looking for. Maybe we can still help you. – You can search our site using the form provided below. – Or you can view some of our recent posts. Search: ### Recent Posts Jobin JosephView all posts by Jobin Joseph hazercloud.com
Find max connection using the formula:- memory = keybuffer + (readbuffer + sort buffer ) max connections Open /etc/my.cnf file in your favorite editor (eg: vi, pico etc) max_connections=400 max_user_connections=30 key_buffer=256M (128MB for every 1GB of RAM) myisam_sort_buffer_size=64M join_buffer_size=1M read_buffer_size=1M (1MB for every 1GB of RAM) sort_buffer_size=1M (1MB for every 1GB of RAM) table_cache=1500 thread_concurrency=2
MySQL Optimization Read More »
All the important configuration options are stored by Apache in a config file called httpd.conf that is located at /usr/local/apache/conf/httpd.conf. We will start by opening this file in your favorite text editor. For example: – vi /usr/local/apache/conf/httpd.conf **MaxClients** Total number of concurrent connections. Locate it in the configuration file. This should be set to a
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1. Find.. to which IP address in the server is targeted by the ddos attack netstat -plan | grep :80 | awk ‘{print $4}’ | cut -d: -f1 |sort |uniq -c 2. Find… from which IPs, the attack is coming netstat -plan | grep :80 | awk ‘{print $5}’ | cut -d: -f1 |sort |uniq
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