How to scan SCSI disks and storage FC luns in Linux ?
In Linux, we can scan for new SCSI disks’ LUN or FC LUNs in real time without rebooting the server. For this we need to I.) reset the FC or...
In Linux, we can scan for new SCSI disks’ LUN or FC LUNs in real time without rebooting the server. For this we need to I.) reset the FC or...
Today we will look at an interesting topic to know the various ways to block specific hostnames or IP addresses on a Linux machine. 1. TCP Wrappers /etc/hosts.allow and /etc/hosts.deny...
In this post, we will cover all basics how to use gdb for debugging any binary program and what all options available during debugging. Create Program for Debugging To understand...
In this post, we will look various ways how to view priority of a linux process and how to change it. 1. Viewing Priority of Linux process a. Using Top...
Sometimes when we try to debug our program, we encounter the error message “no debugging symbols found”. Error “no debugging symbols found” [root@nglinux c_programs]# gdb 1hello.o GNU gdb (GDB) Red...
Today we will look what in initrd image, initramfs in Linux and what are the differences between them. Initrd :- Initial RAM Disk Initramfs :- Initial RAM Filesystem Introduction to...
Here we will look at the process how to debug a crash dump in Linux using gdb. What all tools are required and how to start debugging the core file...
If you are debuggining any C program or any binary file, and faced similar error message below: Temporary breakpoint 1, 0x08048427 in main () Missing separate debuginfos, To resolve this...