Juniper ScreenOS for SSG security appliance can be managed either through the Web UI or command line interface (CLI). Upgrade through the Web interface can be endless and painful. The best way to do it is through the CLI. To accomplish this task, you’ll need : – SSH or Telnet client – TFTP server Here… Read More »
Getting this error message trying to start vsFTPd on FreeBSD? 500 OOPS: vsftpd: not configured for standalone, must be started from inetd Then you missed the important part shown at the end of “vsftpd.conf”! # If using vsftpd in standalone mode, uncomment the next two lines: listen=YES background=YES Just uncomment “listen=YES”, “background=YES” and start the… Read More »
If you experience issue with your subnet or receiving the following message when you try to ping an IP address, this mean you have a routing loop on your network. The same subnet might be configured on another router and the network is confused due to the different destination. You need to remove the bad… Read More »
As you might noticed on latest version of Windows, ICMP requests are blocked by default with the built-in firewall. Use this simple command to enable echo request : netsh firewall set icmpsetting 8 enable
You might notice this error trying to add a static route to your Juniper switch stack : root@ir01# set routing-options rib inet.0 static route 0.0.0.0/00 next-hop 0.0.0.0 {master:0}[edit] root@ir01# commit synchronize [edit protocols] ‘bgp’ [edit protocols] ‘ospf3’ [edit routing-options rib inet.0 static] ‘route 0.0.0.0/00’ RT: DEST: 0.0.0.0 MASK: 255.0.0.0 mask too short error: configuration check-out… Read More »
You might encounter this issue when installing Plesk 11 with Microsoft SQL Server on Windows : Unable to install the “mssql2008_configurator-1.0.noarch” package. The following could cause the installation failure: 1) mssql2008_configurator-1.0.noarch: No suitable solutions were found for the “msi45 >= 4.5.0000.0000” dependency. 2) The dependency for “msi45 >= 4.5.0000.0000” required by the “mssql2008_configurator-1.0.noarch” package could… Read More »
PHP SSH support does not come out of the box yet. The shortest and effortless path to get it working is the following procedure. DISCLAIMER : php-SSH is still beta and not enabled by default. Use only if you know what you’re doing! 1. Install the development components to build the module : apt-get install… Read More »
To restrict as much as possible attack on your name server and avoid your resources consumed by tons of illegitimate queries, it’s wise to disable recursive lookup from the Internet for domains that are not served by your DNS server. To achieve that, simply add those parameters to named.conf “options” section : recursion yes; allow-recursion… Read More »
Running large and high demanding hypervisor connected to SAN storage require jumbo (large MTU) frames to enhance I/O performance to the guests virtual machines. To achieve that, you need to use the command line since vSphere console do not allow to do such thing. 1. Stop all guest virtual machine and put the hypervisor in… Read More »
Using a SSD drive on Windows 7? You better have TRIM enabled for better performance and make your drive last longer. Windows should enable it by default. To check if it’s enabled, run the following command : fsutil behavior query DisableDeleteNotify If returned value is ” 0 “, this mean TRIM is enabled. If ”… Read More »