Dec 2018
How to Boot into Single User Mode in RED HAT 7 / CentOS 7
Single user mode
Read guide ↗: How to Boot into Single User Mode in RED HAT 7 / CentOS 7The ShebangLinux archive
Linux guides & field notes
Dec 2018
Data Privacy & Federal Government Priorities
What is the Federal Data Strategy? The use of data is transforming the world. The way the Federal Government provides, maintains, and uses data…
Read guide ↗: Data Privacy & Federal Government PrioritiesJun 2018
error – sudo: effective uid is not 0, is sudo installed setuid root?
Check the permission and ownership for sudo : [root@baselinux ~]# which sudo /usr/bin/sudo [root@baselinux ~]# ls -ld /usr/bin/sudo —s–x–x. 1 root root 123832 Jun 7…
Read guide ↗: error – sudo: effective uid is not 0, is sudo installed setuid root?Mar 2018
Quick tips and How-tos
how do I remove the chmod +t file permissions
Read guide ↗: Quick tips and How-tosMar 2018
Linux Log Management
A key best practice for logging is to centralize or aggregate your logs in one place, especially if you have multiple servers or tiers…
Read guide ↗: Linux Log ManagementMar 2018
Linux Rescue Mode
Reinstall Corrupted Bootloader
Read guide ↗: Linux Rescue ModeFeb 2018
Find and remove older file in Linux
With this, you will be able with the Linux find command to find all files older than 30 days and then execute rm command…
Read guide ↗: Find and remove older file in LinuxFeb 2018
What Is Inode?
There are no free file system inodes left
Read guide ↗: What Is Inode?Feb 2018
/var/lock/lvm/V_vg00: open failed: No space left on device
vgs /var/lock/lvm/V_vg00: open failed: No space left on device Can’t lock volume group vg00: skipping Red Hat Enterprise Linux 4/5/6 [root@shebanglinux subsys]# pvscan…
Read guide ↗: /var/lock/lvm/V_vg00: open failed: No space left on deviceFeb 2018
NFS Stale File Handle error
NFS (Network File System) version 3 and 4 Sometime NFS can result in weird problems. For example, NFS mounted directories sometimes contain stale file…
Read guide ↗: NFS Stale File Handle error