It is important to disable root login in your SSH service. To do this, edit /etc/ssh/sshd_config: # pico /etc/ssh/sshd_config And add in the following line: PermitRootLogin no Restart SSH service: # /etc/init.d/sshd restart
Squirrelmail show this error when I tried to login to webmail: To fix the problem, check email folder and make sure it has the subfolder: cur, new, tmp with appropriate permission.
1. Download the following files: Gingerbread ROM Gapps GPRS version 12 (optional) 2. Mount your android phone into PC and put all downloaded files above into sdcard. 3. Reboot into recovery 4. Wipe all data (cache, dalvik, factory reset) 5. Flash from zip file using this sequence: 1st = Gingerbread ROM 2nd = Gapps 3rd…
Fail2ban is an important software for system administrator. It scans log files (e.g. /var/log/auth.log) and bans IPs that show malicious signs, something like too many password failures and looking for exploits. To install fail2ban, execute this command: Open the configuration file to activate some rules: Find following line to set email destination for notification: Find…
I received email from cronjob saying that there was PHP module already loaded: PHP Warning: Module ‘mysql’ already loaded in Unknown on line 0 This warning happens when there is PHP extension loaded more than once. To fix this problem, check /etc/php5/apache2/php.ini file and the corresponding module configuration file in /etc/php5/conf.d/. For mysql module, I…
The following regular expression function can be used to strip HTML tags: It is very simple.
To pull from a GitHub repository without entering your username and password every time, you can set up authentication using Personal Access Token. Use Personal Access Tokens (PAT) GitHub no longer supports password authentication; instead, you can use a PAT. Steps: Replace <TOKEN> with your actual token.
If you are tired of using ‘sudo‘ to execute command line activities, you can switch to root user (super user). First of all, we assign a root password: After assign password for root user, you can switch to root user using ‘su’ command and type in the password:
Images as static content on website are usually be cached by browser. Using PHP we can make the image can’t be cached and always loaded from server by putting random number behind the image file. The HTML output will be: The number 1331835943 is generated dynamically by PHP that forces the browser to always load…
Use the following format code to make custom action button in Gridview: