linux logwatch

Linux workstation security check list Target readers This document is intended for users who use Linux workstations to access and manage system administrators in the project infrastructure team. If your team's system administrator is a remote engineer, you can use this document to help them ensure that their workstation meets the most basic security requirements to reduce the risk of attacks. Even if your

Number of open files # Lsof | Wc-lCheck that the total number of open files is too large35 Days Log # Logwatch–print configuration/etc/log.d/logwatch.conf, set Mailto to its own email address, start the mail service (SendMail or postfix), so that you can receive daily journal reports.The default Logwatch only reports yesterday's log, and you can use # Logwatch–p

Execute remote program and display it locally Copy Code code as follows: Ssh-n-L Zouyunhao 192.168.2.14 "Ls-al/home/zouyunhao" 11.shell segment Annotation Copy Code code as follows: : 12. See if the network card is physically connected Copy Code code as follows: /sbin/mii-tool 13. See what the Linux system or MySQL error code means, such as viewing the 13 error code means: C

I bought an ECS, often toss, install some good fun software, tools. Configure the LNMP environment, run the website program, very interesting. Linux is often used, so it collects and collates some Linux server operation commands 1. Delete 0-byte filesFind-type f-size 0-exec RM-RF {}2. View processArrange by memory from large to smallPS-E-O "%c:%p:%z:%a" |sort-k5-nr3. By CPU utilization from large to small

log server is set up:#useradd AA (on client)#passwd AA#vi/var/log/secure (View the host name of the event that occurredthird, the log rotation: The old log file moved and renamed, while creating a new blank log file, when the old log file beyond the scope of the save, will be deleted, renamed to rely on /etc/logrotate.conf dateext Parameters. add your own logs to the log rotation:Party One: write the rotation policy directly in the /etc/logrotate.conf file;Square Two: Create a rotation file i

Article Title: How to make your Linux operating system more secure. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. As we all know, Linux has more advantages than Windows in terms o

vsftpd.confFind more detailed instructions please refer to: "Linux file Lookup command Find,xargs details"Find is the most powerful search tool and is more flexible, rather than just looking for a filename.2.2 LocateLocate is a tool used to search for files through file names, and it is simpler to use. Locate application, first of all, through the updatedb to establish an index database, and then to apply; If you have new software installed or new fi

. It also has a WEB interface.SAIDAR[29]Saidar is a very small tool that provides you with basic information about system resources. It displays the system resources in full screen. The point is that Saidar will be as simplified as possible.RRDTOOL[30]RRDtool is the tool used to process the RRD database. The RRDtool is designed to handle time series data such as CPU load, temperature, and so on. The tool provides a way to extract RRD data and display it as a graphical interface.MONIT[31]In the e

What is routine work?In fact, for routine work, it is necessary to work periodically in the current environment.Under Linux, there are 2 types of routine work:One is sudden, and after that, there's no such thing.At:at is a command that can handle the end of a schedule only once, but the service must be ATD to execute at.In some Linux versions this service is not turned on by default, so we need to open this

/log/messages. This log file stores all general errors. In this file, you can get information about the network, media changes, and so on. When managing a machine, you can use a third-party application, such as logwatch, to create reports based on/var/log files for users. These ten common linux management errors are common among Linux administrators. Avoiding the

kernels on one machine without installing a kernel that can run normally. However, you need to update the kernel. The previous kernel is not deleted. How did you do it? You have been using the latest operating kernel. Assume that the kernel you are working normally is 2.6.22, and 2.6.20 is the backup kernel. If you update 2.6.26 and everything works normally in the new kernel, you can delete 2.6.20. Common Errors in linux management 9: few may want t

for security issues, but take a look at/var/log/secure. The first position that the author looks at is/var/log/messages. This log file holds all general errors. In this file, you can get information about the network, media changes, and so on. When administering a machine, users can use a third party application, such as Logwatch, to create reports that create/var/log files for users. These 10 common Linux