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2232 articles
Real time sync directories, delete files, exclude files from directory sync using lsyncd with rsync and rsyncssh in RHEL/CentOS 7/8 Linux with examples.
Steps to repair filesystem in rescue mode in RHEL/CentOS 7/8 Linux
Steps to repair filesystem in rescue mode in RHEL/CentOS 7/8 Linux. repair xfs filesystem with xfs_repair. repair ext4 filesystem with e2fsck
10 easy steps to move directory to another partition RHEL/CentOS 7/8
How to move directory to another partition move opt to new partition. move home to another partition. move var to new partition in RHEL/CentOS 7/8 Linux.
How to force file system check on boot: systemd-fsck RHEL/CentOS 7/8
Creating /forcefsck and /fsckoptions doesn't work on CentOS/RHEL 7/8 Linux How to perform force file system check on boot (next reboot) using systemd-fsck?
How to run systemd service as specific user and group in Linux
run service as user linux. systemd allow user to start service. systemd start service as user on boot run systemd service as specific user group CentOS/RHEl 7/8 …
How to run script with systemd right before login prompt in CentOS/RHEL 7/8
How to execute or run script with systemd right before login prompt in CentOS/RHEL 7/8 Linux between rc-local.service and getty.target in service unit file
How to run script with systemd right before shutdown in Linux
Steps to execute and run script with systemd right before shutdown in CentOS/RHEL 7/8 Linux. Use Before=shutdown.target to execute command before shutdown
How to run script on startup using systemd in Linux
How to execute and run script at startup after N minutes with delay using systemd and without cronjob in CentOS/RHEL 7/8 Linux before login prompt appears
How to read user input during boot stage with systemd in Linux
Shell script to read user input during boot stage in Linux with a systemd service in CentOS/RHEL 7/8 Linux. Take input at the startup script in Linux.
How to run script after N minutes of boot with systemd CentOS/RHEL 7/8
How to execute command or run script after N minutes of boot using systemd timer in CentOS/RHEL 7/8 Linux fix systemctl failing with unknown section 'Timer'
How to run script with systemd at shutdown only (not at reboot)
Steps to run script with systemd at shutdown only with examples in CentOS/RHEL 7/8 in Linux. Run script or command before shutdown but not at reboot
Shell script to resize image, convert image format in Linux
Steps to convert image format, resize image percentage, scale using imagemagick in linux. shell script to batch resize image and convert image format in linux.
Linux login history: view SSH logins, auth logs, and check attempts
Linux login history: view and check login history, login logs, and Linux SSH login history via last, wtmp, auth.log or /var/log/secure, and journalctl. Optional …
Linux: top memory and CPU consuming processes (ps, sar, scripts, metrics file)
Find top CPU and memory consuming processes on Linux with ps, top, sar, and pidstat; sample output after controlled stress; Bash scripts that append metrics to …
How to clone or backup Linux partition using fsarchiver
Steps to backup partition in LInux, clone your partition or hard drive, logical volume using fsarchiver Exclude files and directories encrypt backup