In the vi or vim text editor, you can jump to the end of a file using the following command: G Pressing G will move the cursor to the last line of the file. If you want to move to a specific line number, you can type nG, where n is the line number you … Read more
File Transfer Protocol (FTP) is a commonly used protocol for transferring files between a client and a server over a network. FTP is available on most Unix and Linux systems, and provides a simple way to transfer files to and from a remote server. Here’s a tutorial on some common FTP commands: Connect to an … Read more
The source command in Unix/Linux allows you to run commands from a file in the current shell environment. The source command is often used to run shell scripts and shell functions, and can be useful for configuring the shell environment, setting environment variables, and defining shell functions. Here’s an example of how to use the … Read more
L1, L2, and L3 are commonly used to describe the levels of technical support within an IT organization. These levels help categorize the nature of the support request, and determine which team member is best equipped to handle the request. Here is a general description of each level: L1 Support: Also known as “Level 1” … Read more
Unison is a popular file synchronization tool for Unix and Linux systems. It allows you to keep two directories in sync by copying changes made in one directory to the other. (fisheries) Here’s how to use Unison: Install Unison: To install Unison, use the package manager for your Linux distribution. For example, on Debian/Ubuntu, use … Read more
The “UNIX Red Books” is a colloquial term used to refer to the official documentation and guides produced by IBM for its AIX operating system, which is based on the UNIX operating system. These books are commonly known as the “Redbooks” due to the distinctive red covers they have. The Redbooks provide in-depth technical information … Read more
In Debian Linux, you can use the rm command to delete a directory. However, the rm command alone will only remove files, not directories. To delete a directory, you must use the rm command with the -r (or –recursive) option, which tells rm to remove the directory and its contents recursively. Here’s an example of … Read more
If you’re having trouble getting log messages to be recorded using /dev/log or /jail/apache/dev/log in a Unix or Linux system, there are several potential causes and solutions to consider: Check the syslog configuration: Make sure that the syslog daemon (e.g., rsyslogd or syslog-ng) is configured to log messages to the correct file or socket. You … Read more
There are several tools you can use to monitor outgoing bandwidth, latency, and jitter on a Unix or Linux system. Some of the most commonly used tools include: ping: The ping command is a simple utility that sends ICMP echo requests to a remote host and measures the time it takes for the host to … Read more
The wget command-line utility can be used with a Squid proxy server by setting the http_proxy environment variable. Here’s an example of how to use wget with a Squid proxy server: http_proxy=http://squid-proxy-server-address:port wget http://example.com/file.zip Replace squid-proxy-server-address and port with the address and port of your Squid proxy server, and replace http://example.com/file.zip with the URL of … Read more