Blogs about: Advanced Commands
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Install Latest postgresql using yum from pgsqlrpms
################################################## [root@server ~]# yum erase postgresql postgresql-server [root@server ~]# wget http://yum.pgsqlrpms.org/reporpms/8.3/pgdg-centos-8.3-4.noarch.rpm [roo… more →
Linux Systems and Network Administration
Install Latest postgresql using yum from pgsqlrpms
— 1 comment
madanwordpress wrote 1 year ago: ################################################## [root@server ~]# yum erase postgresql postgresql- … more →
NMAP
madanwordpress wrote 1 year ago: echo ” ========== Installing NMAP network Scanner ================= “ echo “ … more →
MySQL ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
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madanwordpress wrote 1 year ago: The other day I got this error on one of our servers. Fantastico module in cpanel was showing the er … more →
Virtuozzo Upgrade : Upgrading from Virtuozzo3 to Virtuozzo4
madanwordpress wrote 1 year ago: Upgrading from Virtuozzo 3 to Virtuozzo 4 ================================ First of all refer to : … more →
Reset MySQL Root Password
madanwordpress wrote 1 year ago: [root@dedicated08 ~]# lsof -i :3306 COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME mysqld 31792 mysq … more →
hwclock - query and set the hardware clock
madanwordpress wrote 1 year ago: set the system time from the hardware clock ============================================ root@s1 [~] … more →
iptables string match to drop malicious urls
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madanwordpress wrote 1 year ago: iptables string match to drop malicious urls ================================== Usually modsecurity … more →
Rename a username , groupname and its homedirectory with usermod
madanwordpress wrote 1 year ago: Rename user 7777777 ’s name, groupname and homedir to 88888888 with usermod root@server1 [/hom … more →
create a directory with different permission mode
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madanwordpress wrote 1 year ago: —————————————— … more →
USEFUL ONE-LINE SCRIPTS FOR SED (Unix stream editor)
madanwordpress wrote 1 year ago: ------------------------------------------------------------------------- USEFUL ONE-LINE SCRIPTS FO … more →
List all mysql databases on server
madanwordpress wrote 1 year ago: List all mysql databases on server ############################## root@server1 [~]# mysql -bse … more →
tune2fs practical
madanwordpress wrote 1 year ago: How do I make the system perform a filesystem check after a certain number of mounts? If the system … more →
Tips and tricks
madanwordpress wrote 3 years ago: —————————————— … more →
What is /dev/shm and its practical usage ?
madanwordpress wrote 3 years ago: What is /dev/shm and its practical usage ? /dev/shm is nothing but implementation of traditional sha … more →
Neat Tips and Tricks
madanwordpress wrote 3 years ago: … more →
Advanced techniques for using the UNIX find command
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madanwordpress wrote 3 years ago: Explore the vast terrain of the UNIX® file system with the find command. One of the most powerful an … more →
Using Linux - Environment Variables
madanwordpress wrote 3 years ago: Environment Variables Environment variables in the bash shell help you in several ways. Certain buil … more →
Using Linux - Redirection
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madanwordpress wrote 3 years ago: Redirecting the Input or Output of Linux CommandsAnother useful bash feature is its ability to redir … more →
Pipe Fitting
madanwordpress wrote 3 years ago: Throughout this section, we've discussed how to manipulate a file with many different tools. But … more →
