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| kb_linux [2019/09/27 08:59] – [Misc] atl | kb_linux [2023/08/24 03:09] (current) – atl |
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| ====== Boot ====== | ====== Boot ====== |
| | |
| | ===== Interrupt Boot process and change the //root// password ===== |
| | |
| | - **Edit** the kernel boot parameters by pressing **e** |
| | - **Go to** the end of the 3linux3 line by pressing **Ctrl+e**, removing //ro crash// and add //rd.break enforcing=0// |
| | - **Start** the system by pressing **Ctrl+x** |
| | - **Remount** the root of the system:\\ mount -o remount,rw /sysroot |
| | - **Switch** to /sysroot:\\ chroot /sysroot |
| | - **Reset** the root password |
| | - **Enable** SELinux relabeling:\\ touch /.autorelabel |
| | - **Exit** the shell |
| |
| ===== Grub ===== | ===== Grub ===== |
| cf.[[http://thread.gmane.org/gmane.linux.redhat.rhn.satellite.user/216|http://thread.gmane.org/gmane.linux.redhat.rhn.satellite.user/216]] | cf.[[http://thread.gmane.org/gmane.linux.redhat.rhn.satellite.user/216|http://thread.gmane.org/gmane.linux.redhat.rhn.satellite.user/216]] |
| |
| ====== Misc ====== | ==== Failed to download metadata for repo ‘AppStream’ [CentOS] === |
| |
| [[https://linoxide.com/linux-command/script-command-recorder/|How to Use "Script" Command To Record Linux Terminal Session]] | cf. |
| | [[https://techglimpse.com/failed-metadata-repo-appstream-centos-8/|Failed to download metadata for repo ‘AppStream’ [CentOS]]] |
| | ====== Shell scripting ====== |
| |
| [[https://www.cyberciti.biz/faq/bash-get-basename-of-filename-or-directory-name/|Bash get basename of filename or directory name]] | * [[https://www.shellcheck.net/|https://www.shellcheck.net/]], finds bugs in your shell scripts |
| | * [[https://www.shellscript.sh/|https://www.shellscript.sh/]], The Shell Scripting Tutorial |
| | * [[https://www.davidpashley.com/articles/writing-robust-shell-scripts/|https://www.davidpashley.com/articles/writing-robust-shell-scripts/]], Writing Robust Bash Shell Scripts |
| | * [[http://www.yoone.eu/articles/2-good-practices-for-writing-shell-scripts.html|http://www.yoone.eu/articles/2-good-practices-for-writing-shell-scripts.html]], Good practices for writing shell scripts \\ [[https://www.cyberciti.biz/faq/unix-linux-bash-find-out-the-exit-codes-of-all-piped-commands/|https://www.cyberciti.biz/faq/unix-linux-bash-find-out-the-exit-codes-of-all-piped-commands/]], Bash Find out the exit codes of all piped commands |
| |
| [[https://www.cyberciti.biz/tips/debugging-shell-script.html|How To Debug a Bash Shell Script Under Linux or UNIX]] | |
| |
| [[http://How To Use Bash Parameter Substitution Like A Pro|How To Use Bash Parameter Substitution Like A Pro]] | ====== Misc ====== |
| | |
| [[https://fr.wikipedia.org/wiki/Fork_bomb|Fork bomb]] | |
| | |
| [[https://arkit.co.in/bash-functions-linux-shell-scripting-tutorial/|Bash Functions Linux Shell Scripting Tutorial]] | |
| | |
| [[https://www.ostechnix.com/check-installed-linux-kernels/|How To Check Installed Linux Kernels]] | |
| | |
| [[http://www.techsupportalert.com/content/tips-and-tricks-linux-mint-after-installation-mint-18-mate-edition.htm|Tips and Tricks for Linux Mint after Installation [Mint 18 - MATE Edition] | Gizmo's Freeware]] | |
| | |
| [[https://www.ostechnix.com/find-oldest-file-directory-tree-linux/|Find The Oldest File In A Directory Tree In Linux]] | |
| | |
| [[https://www.ostechnix.com/find-number-cpu-cores-commandline-linux/|How To Find Number Of CPU Cores From Commandline In Linux]] | |
| | |
| [[https://www.ostechnix.com/find-rebooted-linux-system/|How To Find Who Rebooted The Linux System?]] | |
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| [[https://www.ostechnix.com/easy-way-protect-files-accidental-deletion-linux/|An Easy Way to Protect Files From Accidental Deletion In Linux]] | * [[https://linoxide.com/linux-command/script-command-recorder/|How to Use "Script" Command To Record Linux Terminal Session]] |
| | * [[https://www.cyberciti.biz/faq/bash-get-basename-of-filename-or-directory-name/|Bash get basename of filename or directory name]] |
| | * [[https://www.cyberciti.biz/tips/debugging-shell-script.html|How To Debug a Bash Shell Script Under Linux or UNIX]] |
| | * [[http://How To Use Bash Parameter Substitution Like A Pro|How To Use Bash Parameter Substitution Like A Pro]] |
| | * [[https://fr.wikipedia.org/wiki/Fork_bomb|Fork bomb]] |
| | * [[https://arkit.co.in/bash-functions-linux-shell-scripting-tutorial/|Bash Functions Linux Shell Scripting Tutorial]] |
| | * [[https://www.ostechnix.com/check-installed-linux-kernels/|How To Check Installed Linux Kernels]] |
| | * [[http://www.techsupportalert.com/content/tips-and-tricks-linux-mint-after-installation-mint-18-mate-edition.htm|Tips and Tricks for Linux Mint after Installation [Mint 18 - MATE Edition] | Gizmo's Freeware]] |
| | * [[https://www.ostechnix.com/find-oldest-file-directory-tree-linux/|Find The Oldest File In A Directory Tree In Linux]] |
| | * [[https://www.ostechnix.com/find-number-cpu-cores-commandline-linux/|How To Find Number Of CPU Cores From Commandline In Linux]] |
| | * [[https://www.ostechnix.com/find-rebooted-linux-system/|How To Find Who Rebooted The Linux System?]] |
| | * [[https://www.ostechnix.com/easy-way-protect-files-accidental-deletion-linux/|An Easy Way to Protect Files From Accidental Deletion In Linux]] |
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