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A UNIX/Linux blog containing most of the Linux/Unix resources & articles and providing new generation of Linux Operating Environment for download and use.

Linux/Unix Shell Scripting

Search through a word till end of line with sed in Linux Bash Shell.

By Saket Jain / January 18, 2023

Today we will see how to search starting from a word, and then select text till end of the line...

Tags: bash, centos, end, line, linux, replace, rhel, search, sh, shell, through, till, unix, word

Linux/Unix

How to send email to multiple recipients in mailx command ?

By Saket Jain / January 17, 2023

Today in this post, we will see how to send email to multiple recipients using mailx command. First lets see...

Tags: command, email, emails, id, mail, mailx, multiple, null, send, single

Linux/Unix

How to record complete Linux session/terminal logs to a file ?

By Saket Jain / January 4, 2023

Today in this post, we will see how to record complete terminal/session logs in a file in Linux. 1. Run...

Tags: centos, command, commands, contents, file, linux, logs, record, rhel, script, session, store, terminal, unix

Linux/Unix

How to remove all files including hidden files in Linux ?

By Saket Jain / January 3, 2023

In this post, we will see how to remove all files from a directory in Linux including the hidden files....

Tags: all, centos, delete, files, hidden, linux, remove, rhel, rm, unix

Linux/Unix

Solved: ERROR 1045 (28000): Access denied for user ‘dbuser’@’localhost’.

By Saket Jain / December 22, 2022

Today we will see one of the most common error message and its solution. I. Error Message [root@ngelinux001 oracledb]# mysql...

Tags: centos, connecting, connection, database, DB, error, failing, linux, login, mariadb, mysql, nagios, permissions, rhel, server, unix

Linux/Unix

Different ways to Reset user password in Mariadb mysql.

By Saket Jain / December 22, 2022

Today in this post, we will see different ways to reset a mysql user password in MariaDB. Lets first login...

Tags: available, database, linux, mariadb, mysql, nagios, password, reset, rhel, root, select, sql, unix, users

Linux/Unix

How to troubleshoot httpd service failing in Linux ?

By Saket Jain / December 17, 2022

Today in this post, we will see how to troubleshoot when httpd service is failing in Linux OS. Lets see...

Tags: apache, centos, configuration, error, file, http, httpd, install, linux, missing, modules, rhel, service, start, syntax, troubleshoot, unix, yum

Linux/Unix

How to encrypt bash shell script in Linux ?

By Saket Jain / December 16, 2022

Today in this post, we will see how to encrypt a shell script in Linux. Lets have a look at...

Tags: bash, cat, centos, code, configure, encrypt, encrypted, execute, hide, install, linux, make, more, options, rhel, script, shc, shell, unix

Linux/Unix

Solved: kernel: spectre[]: segfault at ip sp error 4 in spectre ?

By Saket Jain / December 10, 2022

Today we will see one of the common error messages in linux system log messages. I. Error: segmentation fault while...

Tags: address, centos, error, invalid, kernel, kernel: spectre[]: segfault at ip sp error 4 in spectre, linux, memory, rhel, segfault, spectre, system, unix, update, version, vulnerable

1 Reply

Linux/Unix

Solved: insights-client: ConnectionError: (‘Connection aborted.’, error(110, ‘Connection timed out’)).

By Saket Jain / December 9, 2022

Today we will see one of the bug on Linux system where the insights-client connection timeout occurs. I. Error Message...

Tags: 110, aborted, centos, connection, error, fatal, insights-client, kernel, linux, out, redhat, request, timed, timeout, unix

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KristoR on Counts characters inside a file in Linux bash.: “Thanks for the article. One important correction: the syntax for character count is wc -m. -c is for bytes.” Jan 6, 08:12
Saket Jain on Solved: Error: Unable to negotiate with — port 22: no matching host key type found. Their offer: ssh-dss ?: “Can you Verify your openssh version: # ssh -V Also please run below command and check if any output: #…” Dec 17, 14:02
Harsh on Solved: Error: Unable to negotiate with — port 22: no matching host key type found. Their offer: ssh-dss ?: “still not working ssh -oHostKeyAlgorithms=+ssh-dss 149.130.1.5 command-line line 0: Bad protocol 2 host key algorithms ‘+ssh-dss’. [hs103@junco ~]$” Dec 17, 13:56
Mohit on Solved: kernel: spectre[]: segfault at ip sp error 4 in spectre ?: “helped me, thanks” Dec 12, 16:49
Saket Jain on How to run sudo command over ssh to remote servers via a script in Linux/Unix ?: “have you heard of expect ? … try to google it, and install it on one system to get this…” Nov 30, 18:15

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