umask 022

1. Modifying operating system core parameters　　Under root user, perform the following steps: 1) Modify the user's shell limit, modify the/etc/security/limits.conf file Input command: vi/etc/security/　　　　Limits.conf, press the I key to enter edit

OS Info----------# Cat/etc/redhat-releaseRed Hat Enterprise Linux Server release 5.5 (Tikanga)# cat/etc/issue.netRed Hat Enterprise Linux Server release 5.5 (Tikanga)Kernel R on a m# UNAME-RM2.6.18-194.el5 x86_64# echo

Tag: equals $? Additional command redefine the txt dir bin integer$ () and ' (anti-quote)In the bash shell, $ () and "(anti-quote) are used for command substitution.# echo ' which who '# echo $ (which who)/usr/bin/whoThey're getting the same results.

Process split renamingvoid set_ps_name(char *name) { prctl(PR_SET_NAME, name);}Modify the process long name Backup process environment variable spacefor (i = 1; i Write Process long namesprintf(argv[0], name); Restore Process

$ () and ' (anti-quote)In the bash shell, $ () and "(anti-quote) are used for command substitution.$ echo the last Sunday was $ (date-d "last Sunday" +%y-%m-%d)Get the date of the previous SundayThe reason for using $ () ' (anti-quotes) is

$ () and ' (anti-quote)In the bash shell, $ () and "(anti-quote) are used for command substitution.The so-called command substitution is similar to the variable substitution we learned in the fifth chapter, which is used to reorganize the command

Install Fedora2 2. Download Oralce10G (www.OracleFor general installation, only ship.db.cpio.gz needs to be downloaded. 3. Unlock [Oracle @ oar10g oracle] $ cd/tmp [Oracle @ oar10g oracle] $ gzip-cd ship.db.cpio.gz | cpio-idmv 4. Modify Linux system

Welcome to the Oracle community forum and interact with 2 million technical staff to access kernel. shmall2097152kernel. shmmax542570912kernel. shmmni4096kernel. sem25032000100128fs. aio-max-nr1048576fs.file-max6815744fs.aio-max-nr1048576net.ipv4.ip

Install Oracle10gR2 on Solaris10. Install Oracle 10gR2 on Solaris 10. Install Oracle 10gR2 on Solaris 10. 1. Create a user, group, and oracle directory Log on as the root user and create a directory: Mkdir-p/opt/app/oracle

If you need to install a large number of database servers, the graphical installation of database software is still slow and troublesome. Oracle11g provides Clone security If you need to install a large number of database servers, the graphical

The oracle11gr2package contains two files: linux_11gr2_database_1of2.zipand linux_11gr2_database5of2.zip. These two files are uploaded to usrloca through SSH. The oracle11gr2package contains two files: linux_11gr2_database_1of2.zipand

  Recently, I started to use Ubuntu to write some code. Therefore, you need to use Eclipse, configure Eclipse, and write the process for your reference. 1. Download JDK and Eclipse   First, download JDK and Eclipse. This step can be performed

Linux entry basics: Linux expansion permissions default permissions each terminal has an umask attribute to determine the default permissions for new files and folders umask are represented by digital permissions, for example, the default permission

Python implements the compiling of the daemon in Linux, and the python daemon The example in this article describes how to compile the daemon process of Python in Linux. It is for your reference and I believe it will be helpful for your Python

This article describes the Python implementation of Linux under the protection process of writing methods, share for everyone to reference, I believe that the Python program design for everyone will play a role in helping. Here's how: 1. Call fork (

R3turn.blogbus.com & nbsp; The following is an article I have read a few days ago, inside more specifically said how to patch the original article can be found in the http://secinf.net SUN system basic security configuration byJeffreyBoulier

Supervisor is a process monitoring management tool under a UNIX-like operating system. Installing Supervisor Supervisor is written by Python and can be installed directly using Python's Package Installation management tool PIP (Python pack

Article title: LINUX-based proftp study notes (4 ). 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

Proftpd installation configuration instance: one proftpd installation configuration instance. Purpose: install and configure a proftpd to meet the following requirements: 1 anonymous access is not allowed. 2. open an account and only have the upload

Article title: building a development environment in LINUX: apache + ftp + cvs + gnats + samba. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research,